Join test source files into test.c and update

Signed-off-by: Mattias Andrée <maandree@kth.se>

17 files changed, 835 insertions, 1164 deletions

diff --git a/.gitignore b/.gitignore
index 0c969eb..0664eb9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@
 *.so.*
 *.dll
 *.dylib
-config.h
+/config.h
+/test
diff --git a/Makefile b/Makefile
index 17f7774..41a9607 100644
--- a/Makefile
+++ b/Makefile
@@ -151,7 +151,7 @@ HDR =\
 	$(HDR_METHODS)
 
 
-all: libgamma.a libgamma.$(LIBEXT)
+all: libgamma.a libgamma.$(LIBEXT) test
 $(OBJ): $(@:.o=.c) $(HDR)
 $(LOBJ): $(@:.lo=.c) $(HDR)
 
@@ -177,6 +177,12 @@ libgamma.$(LIBEXT): $(LOBJ)
 .c.lo:
 	$(CC) -fPIC -c -o $@ $< $(CFLAGS) $(CFLAGS_METHODS) $(CPPFLAGS) $(CPPFLAGS_METHODS)
 
+test.o: test.c libgamma.h
+	$(CC) -c -o $@ test.c $(CFLAGS) $(CPPFLAGS)
+
+test: test.o
+	$(CC) -o $@ test.o libgamma.a $(LDFLAGS_METHODS) $(LDFLAGS)
+
 install: libgamma.a libgamma.$(LIBEXT)
 	mkdir -p -- "$(DESTDIR)$(PREFIX)/lib/"
 	mkdir -p -- "$(DESTDIR)$(PREFIX)/include/"
@@ -194,7 +200,7 @@ uninstall:
 	-rm -f -- "$(DESTDIR)$(PREFIX)/include/libgamma.h"
 
 clean:
-	-rm -f -- *.o *.lo *.su *.a *.$(LIBEXT)
+	-rm -f -- *.o *.lo *.su *.a *.$(LIBEXT) test config.h
 
 .SUFFIXES:
 .SUFFIXES: .lo .o .c
diff --git a/mk/method-dummy=yes.mk b/mk/method-dummy=yes.mk
index 3694cb3..88eb2aa 100644
--- a/mk/method-dummy=yes.mk
+++ b/mk/method-dummy=yes.mk
@@ -26,4 +26,5 @@ OBJ_DUMMY =\
 	libgamma_dummy_crtc_set_gamma_rampsf.o\
 	libgamma_dummy_crtc_get_gamma_rampsd.o\
 	libgamma_dummy_crtc_set_gamma_rampsd.o\
-	libgamma_dummy_internal_configurations.o
+	libgamma_dummy_internal_configurations.o\
+	libgamma_dummy_internal_crtc_restore_forced.o
diff --git a/src/test/crtcinfo.c b/src/test/crtcinfo.c
deleted file mode 100644
index 627559b..0000000
--- a/src/test/crtcinfo.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "crtcinfo.h"
-
-
-/**
- * Conditionally print a CRTC information field
- * 
- * @param  type:data-type           Data type for the value of the information field
- * @param  notation:string-literal  %-pattern for `printf` (excluding the %) that is used for `type`
- * @param  do_print                 Whether the information should be included in the process's output
- * @param  description              A description of the information field
- * @param  error                    The error of the information field
- * @param  value                    The value of the information field
- */
-#define print_crtc_information_(type, notation)\
-	static void\
-	print_crtc_information_##type(int do_print, const char *description, int error, type value)\
-	{\
-		char buf[256];\
-		if (do_print) {\
-			if (error) {\
-				snprintf(buf, sizeof(buf) / sizeof(char), "  (error) %s", description);\
-				libgamma_perror(buf, error);\
-			} else {\
-				printf("  %s: %" notation "\n", description, value);\
-			}\
-		}\
-	}
-
-
-/**
- * A single [a-z] word alternative to `const char*`, we need it for the
- * function name of the string variant of `print_crtc_information_*`
- */
-typedef const char *str;
-/* Create `print_crtc_information_*` variants */
-print_crtc_information_(size_t, "lu")
-print_crtc_information_(signed, "i")
-print_crtc_information_(int, "i")
-#ifdef __GCC__
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wdouble-promotion"
-#endif
-print_crtc_information_(float, "f")
-#ifdef __GCC__
-# pragma GCC diagnostic pop
-#endif
-print_crtc_information_(str, "s")
-#undef print_crtc_information_
-
-
-#define __case(VALUE)  case VALUE: return #VALUE
-
-/**
- * Get a string representation of a subpixel order
- * 
- * @param   value  The subpixel order
- * @return         String representation
- */
-static const char *
-subpixel_order_str(libgamma_subpixel_order_t value)
-{
-	switch (value) {
-	__case (LIBGAMMA_SUBPIXEL_ORDER_UNKNOWN);
-	__case (LIBGAMMA_SUBPIXEL_ORDER_NONE);
-	__case (LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_RGB);
-	__case (LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_BGR);
-	__case (LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_RGB);
-	__case (LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_BGR);
-	default:
-		return "(unknown)";
-	}
-}
-
-
-/**
- * Get a string representation of a connector type
- * 
- * @param   value  The connector type
- * @return         String representation
- */
-static const char *
-connector_type_str(libgamma_connector_type_t value)
-{
-	switch (value) {
-	__case (LIBGAMMA_CONNECTOR_TYPE_Unknown);
-	__case (LIBGAMMA_CONNECTOR_TYPE_VGA);
-	__case (LIBGAMMA_CONNECTOR_TYPE_DVI);
-	__case (LIBGAMMA_CONNECTOR_TYPE_DVII);
-	__case (LIBGAMMA_CONNECTOR_TYPE_DVID);
-	__case (LIBGAMMA_CONNECTOR_TYPE_DVIA);
-	__case (LIBGAMMA_CONNECTOR_TYPE_Composite);
-	__case (LIBGAMMA_CONNECTOR_TYPE_SVIDEO);
-	__case (LIBGAMMA_CONNECTOR_TYPE_LVDS);
-	__case (LIBGAMMA_CONNECTOR_TYPE_Component);
-	__case (LIBGAMMA_CONNECTOR_TYPE_9PinDIN);
-	__case (LIBGAMMA_CONNECTOR_TYPE_DisplayPort);
-	__case (LIBGAMMA_CONNECTOR_TYPE_HDMI);
-	__case (LIBGAMMA_CONNECTOR_TYPE_HDMIA);
-	__case (LIBGAMMA_CONNECTOR_TYPE_HDMIB);
-	__case (LIBGAMMA_CONNECTOR_TYPE_TV);
-	__case (LIBGAMMA_CONNECTOR_TYPE_eDP);
-	__case (LIBGAMMA_CONNECTOR_TYPE_VIRTUAL);
-	__case (LIBGAMMA_CONNECTOR_TYPE_DSI);
-	__case (LIBGAMMA_CONNECTOR_TYPE_LFP);
-	default:
-		return "(unknown)";
-	}
-}
-
-
-/**
- * Get a string representation of a decision
- * 
- * @param   value  The decision
- * @return         String representation
- */
-static const char *
-decision_str(libgamma_decision_t value)
-{
-	switch (value) {
-	__case (LIBGAMMA_NO);
-	__case (LIBGAMMA_MAYBE);
-	__case (LIBGAMMA_YES);
-	default:
-		return "(unknown)";
-	}
-}
-
-#undef __case
-
-
-/**
- * The CRTC information for a CRTC
- * 
- * @param  crtc  The CRTC
- */
-void
-crtc_information(libgamma_crtc_state_t *restrict crtc)
-{
-	libgamma_method_capabilities_t caps;
-	libgamma_crtc_information_t info;
-	int fields, field;
-	char *edid_lc, *edid_uc;
-	unsigned char *edid_raw;
-
-	/* Get supported CRTC informations fields */
-	libgamma_method_capabilities(&caps, crtc->partition->site->method);
-
-	/* List unsupport information fields by testing them one by one */
-	for (fields = caps.crtc_information; field = fields & -fields, fields; fields ^= field) {
-		if (libgamma_get_crtc_information(&info, crtc, field))
-			printf("Could not read CRTC information field %i\n", field);
-		free(info.edid);
-		free(info.connector_name);
-	}
-
-	/* Get CRTC information, that is supported */
-	fields = caps.crtc_information;
-	if (libgamma_get_crtc_information(&info, crtc, fields))
-		printf("An error occurred while reading CRTC information\n");
-
-	/* Macros for printing CRTC information */
-#define print2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, ERROR_VAR)\
-	print_crtc_information_##TYPE(fields & FIELD_ID, DESCRIPTION, info.ERROR_VAR, info.FIELD_VAR);
-#define print(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR)\
-	print2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, FIELD_VAR##_error);
-  
-  
-	/* Print CRTC information */
-
-	printf("CRTC information:\n");
-
-	/* Print the EDID field */
-	if ((fields & LIBGAMMA_CRTC_INFO_EDID)) {
-		if (info.edid_error) {
-			libgamma_perror("  (error) EDID", info.edid_error);
-		} else {
-			edid_lc  = libgamma_behex_edid(info.edid, info.edid_length);
-			edid_raw = libgamma_unhex_edid(edid_lc);
-			edid_uc  = libgamma_behex_edid_uppercase(edid_raw, info.edid_length);
-			printf("  EDID: %s\n", edid_lc);
-			printf("  EDID (uppercase): %s\n", edid_uc);
-			printf("  EDID (length): %lu\n", info.edid_length);
-			free(edid_lc);
-			free(edid_raw);
-			free(edid_uc);
-		}
-	}
-	/* Print physical dimensions of the monitor */
-	print(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM, "width", width_mm);
-	print(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM, "height", height_mm);
-	print(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID, "width per EDID", width_mm_edid);
-	print(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID, "height per EDID", height_mm_edid);
-	/* Print gamma ramp information */
-	print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "red gamma ramp size", red_gamma_size, gamma_size_error);
-	print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "green gamma ramp size", green_gamma_size, gamma_size_error);
-	print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "blue gamma ramp size", blue_gamma_size, gamma_size_error);
-	print(signed, LIBGAMMA_CRTC_INFO_GAMMA_DEPTH, "gamma ramp depth", gamma_depth);
-	/* Print gamma ramp support */
-	if (fields & LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT) {
-		if (info.gamma_support_error)
-			libgamma_perror("  (error) gamma support", info.gamma_support_error);
-		else
-			printf("  gamma support: %s\n", decision_str(info.gamma_support));
-	}
-	/* Print subpixel order for the monitor */
-	if (fields & LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER) {
-		if (info.subpixel_order_error)
-			libgamma_perror("  (error) subpixel order", info.subpixel_order_error);
-		else
-			printf("  subpixel order: %s\n", subpixel_order_str(info.subpixel_order));
-	}
-	/* Print connector information */
-	print(int, LIBGAMMA_CRTC_INFO_ACTIVE, "active", active);
-	print(str, LIBGAMMA_CRTC_INFO_CONNECTOR_NAME, "connector name", connector_name);
-	if (fields & LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE) {
-		if (info.connector_type_error)
-			libgamma_perror("  (error) subpixel order", info.connector_type_error);
-		else
-			printf("  subpixel order: %s\n", connector_type_str(info.connector_type));
-	}
-	/* Print the gamma characteristics of the monitor */
-	print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "red gamma characteristics", gamma_red, gamma_error);
-	print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "green gamma characteristics", gamma_green, gamma_error);
-	print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "blue gamma characteristics", gamma_blue, gamma_error);
-	printf("\n");
-
-
-#undef print
-#undef print2
-
-	/* Release resouces */
-	free(info.edid);
-	free(info.connector_name);
-}
diff --git a/src/test/crtcinfo.h b/src/test/crtcinfo.h
deleted file mode 100644
index dc120e7..0000000
--- a/src/test/crtcinfo.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_CRTCINFO_H
-#define LIBGAMMA_TEST_CRTCINFO_H
-
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-
-
-/**
- * The CRTC information for a CRTC
- * 
- * @param  crtc  The CRTC
- */
-void crtc_information(libgamma_crtc_state_t *restrict crtc);
-
-
-#endif
diff --git a/src/test/errors.c b/src/test/errors.c
deleted file mode 100644
index ffe9bd2..0000000
--- a/src/test/errors.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "errors.h"
-
-
-/**
- * The error API
- */
-void
-error_test(void)
-{
-	int i;
-  
-	/* Test that naming and name dereferencing
-	   of errors work. Because the mappings in
-	   these [`libgamma_value_of_error` and
-	   `libgamma_name_of_error`] functions are
-	   generated, it should work if and only if
-	   one test passes, assumming the errors are
-	   unique whihc is tested in the end of this
-	   function. */
-	printf("Testing error API using LIBGAMMA_STATE_UNKNOWN:\n");
-	printf("  Expecting %i: %i\n", LIBGAMMA_STATE_UNKNOWN, libgamma_value_of_error("LIBGAMMA_STATE_UNKNOWN"));
-	printf("  Expecting %s: %s\n", "LIBGAMMA_STATE_UNKNOWN", libgamma_name_of_error(LIBGAMMA_STATE_UNKNOWN));
-	printf("\n");
-  
-	/* Test that `libgamma_perror` can print
-	   libgamma errors and system errors, and
-	   handle success in the same with as `perror`. */
-	printf("Testing libgamma_perror:\n");
-	libgamma_perror("  Expecting LIBGAMMA_STATE_UNKNOWN", LIBGAMMA_STATE_UNKNOWN);
-	libgamma_perror("  Expecting a description for ENOMEM", ENOMEM);
-	libgamma_perror("  Expecting a description for successfulness", 0);
-	/* Test that `libgamma_perror` handles
-	   `LIBGAMMA_ERRNO_SET` correctly. */
-	libgamma_perror("  Expecting a description for ENOMEM", (errno = ENOMEM, LIBGAMMA_ERRNO_SET));
-	/* That that `libgamma_perror` handles
-	   `LIBGAMMA_DEVICE_REQUIRE_GROUP`
-	   correctly both when the required
-	   group's name is known and when it
-	   is unknown. */
-	libgamma_group_gid = 10;
-	libgamma_group_name = "test";
-	libgamma_perror("  Expecting 'LIBGAMMA_DEVICE_REQUIRE_GROUP: test (10)'", LIBGAMMA_DEVICE_REQUIRE_GROUP);
-	libgamma_group_name = NULL;
-	libgamma_perror("  Expecting 'LIBGAMMA_DEVICE_REQUIRE_GROUP: 10'", LIBGAMMA_DEVICE_REQUIRE_GROUP);
-	printf("\n");
-  
-	/* That all libgamma error codes
-	   are unique. This is done by
-	   getting the name associated
-	   with an error code and the getting
-	   the error code associated that
-	   name and test that the same
-	   error code is returned as put in,
-	   for each libgamma error code. */
-	printf("Testing error code uniqueness: ");
-	for (i = -1; i >= LIBGAMMA_ERROR_MIN; i--) {
-		if (libgamma_value_of_error(libgamma_name_of_error(i)) != i) {
-			printf("failed\n");
-			goto not_unique;
-		}
-	}
-	printf("passed\n");
-not_unique:
-	printf("\n");
-}
diff --git a/src/test/errors.h b/src/test/errors.h
deleted file mode 100644
index 1000a7d..0000000
--- a/src/test/errors.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_ERRROS_H
-#define LIBGAMMA_TEST_ERRROS_H
-
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <errno.h>
-
-
-/**
- * The error API
- */
-void error_test(void);
-
-
-#endif
diff --git a/src/test/methods.c b/src/test/methods.c
deleted file mode 100644
index 5cd8bd6..0000000
--- a/src/test/methods.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "methods.h"
-
-
-/**
- * Get the name representation of an
- * adjustment method by its identifier
- * 
- * @param   method  The identifier of the adjustment method
- * @return          The name of the adjustment method, should not be `free`:d
- */
-const char *
-method_name(int method)
-{
-	switch (method) {
-	case LIBGAMMA_METHOD_DUMMY:                 return "dummy";
-	case LIBGAMMA_METHOD_X_RANDR:               return "RandR X extension";
-	case LIBGAMMA_METHOD_X_VIDMODE:             return "VidMode X extension";
-	case LIBGAMMA_METHOD_LINUX_DRM:             return "Linux DRM";
-	case LIBGAMMA_METHOD_W32_GDI:               return "Windows GDI";
-	case LIBGAMMA_METHOD_QUARTZ_CORE_GRAPHICS:  return "Quartz using CoreGraphics";
-	default:
-		return "(unknown)";
-	}
-}
-
-
-/**
- * Print a list of adjustment methods
- * 
- * @param  description  Precursory text for the list
- * @param  methods      An array allocated to fit all adjustment methods
- * @param  operation    See the `operation` parameter for `libgamma_list_methods`
- */
-void
-list_methods(const char *description, int *methods, int operation)
-{
-	/* Get adjustment method list */
-	size_t i, n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, operation);
-
-	/* Print adjustment method list */
-	printf("%s:\n", description);
-	for (i = 0; i < n; i++)
-		printf("  %s\n", method_name(methods[i]));
-	printf("\n");
-}
-
-
-/**
- * Print all lists, of adjustments methods, that
- * are made available by `libgamma_list_methods`
- */
-void
-list_methods_lists(void)
-{
-	/* Allocate a list for adjustment methods that is large
-	   enough if the program is up to date with the library */
-	int *methods = malloc(LIBGAMMA_METHOD_COUNT * sizeof(int));
-	/* Get a list of all adjustment methods */
-	size_t n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, 4);
-
-	/* If we got more adjustment methods than we expected
-	   the program needs to be recompiled, and we need to
-	   reallocate the list so it is large enough. */
-	if (n > LIBGAMMA_METHOD_COUNT) {
-		printf("Warning: you should to recompile the program, libgamma has been updated.\n");
-		methods = realloc(methods, n * sizeof(int));
-	}
-
-	/* Print adjustment method lists. */
-	list_methods("Available adjustment methods",               methods, 4);
-	list_methods("Available real adjustment methods",          methods, 3);
-	list_methods("Available real non-fake adjustment methods", methods, 2);
-	list_methods("Recommended adjustment methods",             methods, 1);
-	list_methods("Recommended non-fake adjustment methods",    methods, 0);
-
-	free(methods);
-}
-
-
-/**
- * Test the availability (determined at
- * compile-time) of all adjustment
- * methods and one that does not exist
- */
-void
-method_availability(void)
-{
-	int method;
-	/* The availability of an adjustmen method whose identifier
-	   is invalid. It should say it is not available. */
-	printf("Testing the availability of a non-existing adjustment method: ");
-	printf("%s\n", libgamma_is_method_available(-1) ? "available" : "not available");
-
-	/* Test the availability of the adjustment methods that does exist */
-	for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
-		printf("Testing the availability of %s: ", method_name(method));
-		printf("%s\n", libgamma_is_method_available(method) ? "available" : "not available");
-	}
-	printf("\n");
-}
-
-
-/**
- * List the default site and the environment
- * variable, if any, that determines the
- * default site, for all availiable adjustment
- * methods
- */
-void
-list_default_sites(void)
-{
-	int method;
-	for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
-		/* Include only available adjustment methods.
-		   If an adjustment method is not available
-		   it should print "(null)", but as that can
-		   be misguiding we exclude those methods. */
-		if (libgamma_is_method_available(method)) {
-			printf("Default site for %s:\n", method_name(method));
-			printf("  Variable: %s\n", libgamma_method_default_site_variable(method));
-			printf("  Site name: %s\n", libgamma_method_default_site(method));
-			printf("\n");
-		}
-	}
-}
-
-
-/**
- * Print the capabilities of all availiable
- * adjustment methods.
- */
-void
-method_capabilities(void)
-{
-	libgamma_method_capabilities_t caps;
-	int method;
-	for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
-		if (libgamma_is_method_available(method)) {
-			/* Print adjustment method name and get the
-			   adjustment method's capabilities. */
-			printf("Capabilities of %s:\n", method_name(method));
-			libgamma_method_capabilities(&caps, method);
-
-			/* Print capabilities. The CRTC information
-			   capabilities is printed hexadecimal. See
-			   the `LIBGAMMA_CRTC_INFO_*` definitions in
-			   `src/lib/libgamma-method.h` for what each
-			   bit represents. */
-			printf("  %s: %X\n", "CRTC information",      caps.crtc_information);
-			printf("  %s: %s\n", "Default site known",    caps.default_site_known            ? "yes" : "no");
-			printf("  %s: %s\n", "Multiple sites",        caps.multiple_sites                ? "yes" : "no");
-			printf("  %s: %s\n", "Multiple partitions",   caps.multiple_partitions           ? "yes" : "no");
-			printf("  %s: %s\n", "Multiple crtcs",        caps.multiple_crtcs                ? "yes" : "no");
-			printf("  %s: %s\n", "Graphics cards",        caps.partitions_are_graphics_cards ? "yes" : "no");
-			printf("  %s: %s\n", "Site restore",          caps.site_restore                  ? "yes" : "no");
-			printf("  %s: %s\n", "Partition restore",     caps.partition_restore             ? "yes" : "no");
-			printf("  %s: %s\n", "CRTC restore",          caps.crtc_restore                  ? "yes" : "no");
-			printf("  %s: %s\n", "Identical gamma sizes", caps.identical_gamma_sizes         ? "yes" : "no");
-			printf("  %s: %s\n", "Fixed gamma size",      caps.fixed_gamma_size              ? "yes" : "no");
-			printf("  %s: %s\n", "Fixed gamma depth",     caps.fixed_gamma_depth             ? "yes" : "no");
-			printf("  %s: %s\n", "Real method",           caps.real                          ? "yes" : "no");
-			printf("  %s: %s\n", "Fake method",           caps.fake                          ? "yes" : "no");
-			printf("  %s: %s\n", "Auto restore",          caps.auto_restore                  ? "yes" : "no");
-			printf("\n");
-		}
-	}
-}
diff --git a/src/test/methods.h b/src/test/methods.h
deleted file mode 100644
index e7f53ab..0000000
--- a/src/test/methods.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_METHODS_H
-#define LIBGAMMA_TEST_METHODS_H
-
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-
-
-#ifndef __GCC__
-# define __attribute__(x)
-#endif
-
-
-/**
- * Get the name representation of an
- * adjustment method by its identifier
- * 
- * @param   method  The identifier of the adjustment method
- * @return          The name of the adjustment method, should not be `free`:d
- */
-const char *method_name(int method) __attribute__((const));
-
-/**
- * Print a list of adjustment methods
- * 
- * @param  description  Precursory text for the list
- * @param  methods      An array allocated to fit all adjustment methods
- * @param  operation    See the `operation` parameter for `libgamma_list_methods`
- */
-void list_methods(const char *description, int *methods, int operation);
-
-/**
- * Print all lists, of adjustments methods, that
- * are made available by `libgamma_list_methods`
- */
-void list_methods_lists(void);
-
-/**
- * Test the availability (determined
- * at compile-time) of all adjustment
- * methods and one that does not exist
- */
-void method_availability(void);
-
-/**
- * List the default site and the environment
- * variable, if any, that determines the
- * default site, for all availiable adjustment
- * methods
- */
-void list_default_sites(void);
-
-/**
- * Print the capabilities of all availiable
- * adjustment methods
- */
-void method_capabilities(void);
-
-
-#endif
diff --git a/src/test/ramps.c b/src/test/ramps.c
deleted file mode 100644
index 5303195..0000000
--- a/src/test/ramps.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "ramps.h"
-
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 2⁸ − 1] integer output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 2⁸ − 1] integer output value
- */
-uint8_t
-invert_ramps8(float encoding)
-{
-	double i_encoding = (double)(1.f - encoding);
-	double f_output = (double)UINT8_MAX * i_encoding;
-	uint8_t output = (uint8_t)f_output;
-	if (i_encoding < (double)0.25f && output > UINT8_MAX / 2)
-		output = 0;
-	if (i_encoding > (double)0.75f && output < UINT8_MAX / 2)
-		output = UINT8_MAX;
-	return output;
-}
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 2¹⁶ − 1] integer output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 2¹⁶ − 1] integer output value
- */
-uint16_t
-invert_ramps16(float encoding)
-{
-	double i_encoding = (double)(1.f - encoding);
-	double f_output = (double)UINT16_MAX * i_encoding;
-	uint16_t output = (uint16_t)f_output;
-	if (i_encoding < (double)0.25f && output > UINT16_MAX / 2)
-		output = 0;
-	if (i_encoding > (double)0.75f && output < UINT16_MAX / 2)
-		output = UINT16_MAX;
-	return output;
-}
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 2³² − 1] integer output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 2³² − 1] integer output value
- */
-uint32_t
-invert_ramps32(float encoding)
-{
-	double i_encoding = (double)(1.f - encoding);
-	double f_output = (double)UINT32_MAX * i_encoding;
-	uint32_t output = (uint32_t)f_output;
-	if (i_encoding < (double)0.25f && output > UINT32_MAX / 2)
-		output = 0;
-	if (i_encoding > (double)0.75f && output < UINT32_MAX / 2)
-		output = UINT32_MAX;
-	return output;
-}
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 2⁶⁴ − 1] integer output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 2⁶⁴ − 1] integer output value
- */
-uint64_t
-invert_ramps64(float encoding)
-{
-	double i_encoding = (double)(1.f - encoding);
-	double f_output = (double)UINT64_MAX * i_encoding;
-	uint64_t output = (uint64_t)f_output;
-	if (i_encoding < (double)0.25f && output > UINT64_MAX / 2)
-		output = 0;
-	if (i_encoding > (double)0.75f && output < UINT64_MAX / 2)
-		output = UINT64_MAX;
-	return output;
-}
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 1] float output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 1] float output value
- */
-float
-invert_rampsf(float encoding)
-{
-	return 1.f - encoding;
-}
-
-/**
- * Test mapping function from [0, 1] double precision float encoding
- * value to [0, 1] double precision float output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 1] float output value
- */
-double
-invert_rampsd(double encoding)
-{
-	return (double)1.f - encoding;
-}
diff --git a/src/test/ramps.h b/src/test/ramps.h
deleted file mode 100644
index 13c31b1..0000000
--- a/src/test/ramps.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_RAMPS_H
-#define LIBGAMMA_TEST_RAMPS_H
-
-
-#include <stdint.h>
-
-
-#ifndef __GCC__
-# define __attribute__(x)
-#endif
-
-
-/**
- * X macros of all integer gamma ramps
- */
-#define LIST_INTEGER_RAMPS  X(ramps8) X(ramps32) X(ramps64) X(ramps16)
-
-/**
- * X macros of all floating-point gamma ramps
- */
-#define LIST_FLOAT_RAMPS  X(rampsf) X(rampsd)
-
-/**
- * X macros of all gamma ramps
- */
-#define LIST_RAMPS  LIST_FLOAT_RAMPS LIST_INTEGER_RAMPS
-
-
-/* ramps16 is last because we want to make sure that the gamma ramps are
-   preserved exactly on exit, and we assume RandR X is used. */
-
-
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 2⁸ − 1] integer output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 2⁸ − 1] integer output value
- */
-uint8_t invert_ramps8(float encoding) __attribute__((const));
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 2¹⁶ − 1] integer output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 2¹⁶ − 1] integer output value
- */
-uint16_t invert_ramps16(float encoding) __attribute__((const));
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 2³² − 1] integer output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 2³² − 1] integer output value
- */
-uint32_t invert_ramps32(float encoding) __attribute__((const));
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 2⁶⁴ − 1] integer output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 2⁶⁴ − 1] integer output value
- */
-uint64_t invert_ramps64(float encoding) __attribute__((const));
-
-/**
- * Test mapping function from [0, 1] float encoding value to [0, 1] float output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 1] float output value
- */
-float invert_rampsf(float encoding) __attribute__((const));
-
-/**
- * Test mapping function from [0, 1] double precision float encoding
- * value to [0, 1] double precision float output value
- * 
- * @param   encoding  [0, 1] float encoding value
- * @return            [0, 1] float output value
- */
-double invert_rampsd(double encoding) __attribute__((const));
-
-
-#endif
diff --git a/src/test/test.c b/src/test/test.c
deleted file mode 100644
index 8cf0579..0000000
--- a/src/test/test.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "test.h"
-
-
-/**
- * Test `libgamma`
- * 
- * @return  Non-zero on machine detectable error, this library
- *          may still be faulty if zero is returned
- */
-int
-main(void)
-{
-	libgamma_site_state_t *restrict site_state = malloc(sizeof(libgamma_site_state_t));
-	libgamma_partition_state_t *restrict part_state = malloc(sizeof(libgamma_partition_state_t));
-	libgamma_crtc_state_t *restrict crtc_state = malloc(sizeof(libgamma_crtc_state_t));
-	libgamma_crtc_information_t info;
-#define X(R)\
-	libgamma_gamma_##R##_t old_##R, R;\
-	libgamma_gamma_##R##_fun* f_##R = invert_##R;
-	LIST_RAMPS
-#undef X
-	size_t i, n;
-	int r, rr = 0;
-
-	/* Test miscellaneous parts of the library */
-	list_methods_lists();
-	method_availability();
-	list_default_sites();
-	method_capabilities();
-	error_test();
-
-	/* Select monitor for tests over CRTC:s, partitions and sites */
-	if (select_monitor(site_state, part_state, crtc_state))
-		return 1;
-
-	/* Test CRTC information functions. */
-	crtc_information(crtc_state);
-
-	/* Get the sizes of the gamma ramps for the selected CRTC */
-	libgamma_get_crtc_information(&info, crtc_state, LIBGAMMA_CRTC_INFO_GAMMA_SIZE);
-
-	/* Create gamma ramps for each depth */
-#define X(R)\
-	old_##R.red_size = info.red_gamma_size;\
-	old_##R.green_size = info.green_gamma_size;\
-	old_##R.blue_size = info.blue_gamma_size;\
-	R = old_##R;\
-	libgamma_gamma_##R##_initialise(&old_##R);\
-	libgamma_gamma_##R##_initialise(&R);
-	LIST_RAMPS
-#undef X
-
-	/* Fill gamma ramps, for each depth, with the CRTC:s current ramps */
-#define X(R)\
-	if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &old_##R))) {\
-		libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
-		goto done;\
-	}\
-	if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &R))) {\
-		libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
-		goto done;\
-	}
-	LIST_RAMPS
-#undef X
-  
-	/* Test function assisted gamma ramps setting */
-#define X(R)\
-	/* Dim the monitor for one second and the restore it. */\
-	printf("Inverting monitor output for 1 second... (" #R ")\n");\
-	if ((rr |= r = libgamma_crtc_set_gamma_##R##_f(crtc_state, f_##R, f_##R, f_##R)))\
-		libgamma_perror("libgamma_crtc_set_gamma_" #R "_f", r);\
-	sleep(1);\
-	if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, old_##R)))\
-		libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
-	printf("Done!\n");\
-	/* Sleep for one second, we have more depths to test */\
-	printf("Sleeping for 1 second...\n");\
-	sleep(1);
-	LIST_RAMPS
-#undef X
-
-	/* Test getting and setting gamma ramps */
-#define X(R)\
-	/* Get the grand size of the gamma ramps */\
-	n = R.red_size;\
-	n = n > R.green_size ? n : R.green_size;\
-	n = n > R.blue_size ? n : R.blue_size;\
-	/* Print the current gamma ramps */\
-	printf("Current gamma ramps (" #R "):\n");\
-	for (i = 0; i < n; i++) {\
-		if (i < R.red_size)    Y(R.red,   "1");  else  printf("      ");\
-		if (i < R.green_size)  Y(R.green, "2");  else  printf("      ");\
-		if (i < R.blue_size)   Y(R.blue,  "4");  else  printf("      ");\
-		printf("\n");\
-	}\
-	printf("\n");\
-	/* Adjust the gamma ramps for dimming the monitor */\
-	for (i = 0; i < R.red_size + R.green_size + R.blue_size; i++)\
-		R.red[i] /= 2;\
-	/* Dim the monitor for one second and the restore it */\
-	printf("Dimming monitor for 1 second...\n");\
-	if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, R)))\
-		libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
-	sleep(1);\
-	if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, old_##R)))\
-		libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
-	printf("Done!\n");\
-	/* Sleep for one second, we have more depths to test */\
-	printf("Sleeping for 1 second...\n");\
-	sleep(1);
-#define Y(R, C)  printf("  \033[3" C "m%1.8lf\033[00m", (double)(R[i]))
-	LIST_FLOAT_RAMPS
-#undef Y
-#define Y(R, C)  printf("  \033[3" C "m%16llX\033[00m", (uint64_t)(R[i]))
-	LIST_INTEGER_RAMPS
-#undef Y
-#undef X
-
-	/* Test order of gamma ramps */
-	memcpy(ramps16.red, old_ramps16.red, ramps16.red_size * sizeof(uint16_t));
-	memset(ramps16.green, 0, ramps16.green_size * sizeof(uint16_t));
-	memset(ramps16.blue, 0, ramps16.blue_size * sizeof(uint16_t));
-	printf("Making the monitor red-only for 1 second...\n");
-	if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, ramps16)))
-		libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
-	sleep(1);
-	memset(ramps16.red, 0, ramps16.red_size * sizeof(uint16_t));
-	memcpy(ramps16.green, old_ramps16.green, ramps16.green_size * sizeof(uint16_t));
-	printf("Making the monitor green-only for 1 second...\n");
-	if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, ramps16)))
-		libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
-	sleep(1);
-	memset(ramps16.green, 0, ramps16.green_size * sizeof(uint16_t));
-	memcpy(ramps16.blue, old_ramps16.blue, ramps16.blue_size * sizeof(uint16_t));
-	printf("Making the monitor green-only for 1 second...\n");
-	if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, ramps16)))
-		libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
-	sleep(1);
-	if ((rr |= r = libgamma_crtc_set_gamma_ramps64(crtc_state, old_ramps64)))
-		libgamma_perror("libgamma_crtc_set_gamma_ramps64", r);
-	printf("Done!\n");
-
-	/* TODO Test gamma ramp restore functions */
-  
-done:
-	/* Release resouces */
-#define X(R)\
-	libgamma_gamma_##R##_destroy(&R);\
-	libgamma_gamma_##R##_destroy(&old_##R);
-	LIST_RAMPS
-#undef X
-	libgamma_crtc_free(crtc_state);
-	libgamma_partition_free(part_state);
-	libgamma_site_free(site_state);
-	return rr;
-}
diff --git a/src/test/test.h b/src/test/test.h
deleted file mode 100644
index f8fa9f5..0000000
--- a/src/test/test.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_TEST_H
-#define LIBGAMMA_TEST_TEST_H
-
-#include "update-warnings.h"
-#include "methods.h"
-#include "errors.h"
-#include "crtcinfo.h"
-#include "user.h"
-#include "ramps.h"
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <string.h>
-
-#endif
diff --git a/src/test/update-warnings.h b/src/test/update-warnings.h
deleted file mode 100644
index 4a1b027..0000000
--- a/src/test/update-warnings.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_UPDATE_WARNINGS_H
-#define LIBGAMMA_TEST_UPDATE_WARNINGS_H
-
-#include <libgamma.h>
-
-
-/*
- * This file testes whether the program is out of date
- * when it is compiled. This is done by checking for newer
- * values of constants that tells us how much there is of
- * different things for which we may want to create
- * descriptions or otherwise handle especially.
- * 
- * To get the current value of for example `LIBGAMMA_ERROR_MIN`
- * simply run the command
- * 
- *     cpp <<EOF | tail -n 1
- *     #include <libgamma.h>
- *     LIBGAMMA_ERROR_MIN
- *     EOF
- *
- * However, we only do this for if GCC is used to
- * compile the program because the #warning CPP
- * directive is a GCC extension. If you are not
- * using GNU you may want to find another way to
- * accomplish this.
- */
-
-#ifdef __GCC__
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wcpp"
-# if LIBGAMMA_ERROR_MIN < -46
-#  warning New error codes have been added to libgamma
-# endif
-# if LIBGAMMA_METHOD_COUNT > 6
-#  warning New adjust methods has been added to libgamma
-# endif
-# if LIBGAMMA_CONNECTOR_TYPE_COUNT > 20
-#  warning New connector types have been added to libgamma
-# endif
-# if LIBGAMMA_SUBPIXEL_ORDER_COUNT > 6
-#  warning New subpixel orders have been added to libgamma
-# endif
-# if LIBGAMMA_CRTC_INFO_COUNT > 13
-#  warning New CRTC information fields have been added to libgamma
-# endif
-# pragma GCC diagnostic pop
-#endif
-
-
-#endif
diff --git a/src/test/user.c b/src/test/user.c
deleted file mode 100644
index 7a1fd78..0000000
--- a/src/test/user.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include "user.h"
-
-
-#ifdef __GCC__
-# include <string.h>
-#else
-/* Hack to circumvent that the funcions are defined multiples */
-# define strlen strlen_
-# define memcpy memcpy_
-# define strchr strchr_
-static size_t
-strlen_(const char *str) {
-	size_t n = 0;
-	while (str[n])
-		n++;
-	return n;
-}
-static void *
-memcpy_(void *restrict dest, const void *restrict src, size_t n)
-{
-	char *restrict d = dest;
-	const char *restrict s = src;
-	size_t i;
-	for (i = 0; i < n; i++)
-		d[i] = s[i];
-	return dest;
-}
-static char *strchr_(const char *s, int c)
-{
-	char find = (char)c;
-	for (; *s; s++)
-		if (*s == find)
-			return s;
-	return NULL;
-}
-#endif
-
-
-/**
- * Let the user select adjustment method, site, partition and CRTC
- * 
- * @param   site_state  Output slot for the site
- * @param   part_state  Output slot for the partition
- * @param   crtc_state  Output slot for the CRTC
- * @return              Zero on and only on success
- */
-int
-select_monitor(libgamma_site_state_t *restrict site_state,
-               libgamma_partition_state_t *restrict part_state,
-               libgamma_crtc_state_t *restrict crtc_state)
-{
-	int method;
-	char *site;
-	char *tmp;
-	char buf[256];
-	int r;
-
-
-	/* -- Adjustment method -- */
-
-	/* Let the user select adjustment method */
-	printf("Select adjustment method:\n");
-	for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++)
-		printf("    %i:  %s\n", method, method_name(method));
-	printf("> ");
-	fflush(stdout);
-	fgets(buf, sizeof(buf) / sizeof(char), stdin);
-	method = atoi(buf);
-
-
-	/* -- Site -- */
-
-	/* Let the user select site */
-	printf("Select site: ");
-	fflush(stdout);
-	fgets(buf, sizeof(buf) / sizeof(char), stdin);
-	tmp = strchr(buf, '\n');
-	if (tmp)
-		*tmp = '\0';
-	if (!buf[0]) {
-		site = NULL;
-	} else {
-		site = malloc((strlen(buf) + 1) * sizeof(char));
-		memcpy(site, buf, strlen(buf) + 1);
-	}
-
-	/* Initialise site state */
-	if ((r = libgamma_site_initialise(site_state, method, site))) {
-		free(site);
-		libgamma_perror("error", r);
-		return 1;
-	}
-
-
-	/* -- Partition -- */
-
-	/* Check that the site has at least one partition */
-	if (!site_state->partitions_available) {
-		libgamma_site_free(site_state);
-		printf("No partitions found\n");
-		return 1;
-	}
-
-	/* Let the user select partition */
-	printf("Select partition [0, %lu]: ", site_state->partitions_available - 1);
-	fflush(stdout);
-	fgets(buf, sizeof(buf) / sizeof(char), stdin);
-
-	/* Initialise partition state */
-	if ((r = libgamma_partition_initialise(part_state, site_state, (size_t)atoll(buf)))) {
-		libgamma_site_free(site_state);
-		libgamma_perror("error", r);
-		return 1;
-	}
-
-
-	/* -- CRTC -- */
-
-	/* Check that the partition has at least one CRTC */
-	if (!part_state->crtcs_available) {
-		libgamma_partition_free(part_state);
-		libgamma_site_free(site_state);
-		printf("No CRTC:s found\n");
-		return 1;
-	}
-
-	/* Let the user select CRTC */
-	printf("Select CRTC [0, %lu]: ", part_state->crtcs_available - 1);
-	fflush(stdout);
-	fgets(buf, sizeof(buf) / sizeof(char), stdin);
-
-	/* Initialise CRTC state. */
-	if ((r = libgamma_crtc_initialise(crtc_state, part_state, (size_t)atoll(buf)))) {
-		libgamma_partition_free(part_state);
-		libgamma_site_free(site_state);
-		libgamma_perror("error", r);
-		return 1;
-	}
-
-	printf("\n");
-	return 0;
-}
diff --git a/src/test/user.h b/src/test/user.h
deleted file mode 100644
index 5a0c868..0000000
--- a/src/test/user.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#ifndef LIBGAMMA_TEST_USER_H
-#define LIBGAMMA_TEST_USER_H
-
-
-#include "methods.h"
-
-#include <libgamma.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-
-
-
-/**
- * Let the user select adjustment method, site, partition and CRTC
- * 
- * @param   site_state  Output slot for the site
- * @param   part_state  Output slot for the partition
- * @param   crtc_state  Output slot for the CRTC
- * @return              Zero on and only on success
- */
-int select_monitor(libgamma_site_state_t *restrict site_state,
-                   libgamma_partition_state_t *restrict part_state,
-                   libgamma_crtc_state_t *restrict crtc_state);
-
-
-#endif
diff --git a/test.c b/test.c
new file mode 100644
index 0000000..9dfa598
--- /dev/null
+++ b/test.c
@@ -0,0 +1,823 @@
+/* See LICENSE file for copyright and license details. */
+#include "libgamma.h"
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+#if LIBGAMMA_CRTC_INFO_COUNT != 13
+# warning CRTC information fields have been updated
+#endif
+
+
+
+/**
+ * X macro of all integer gamma ramps
+ * 
+ * @param  _:macro(identifer)  Macro to expand
+ */
+#define LIST_INTEGER_RAMPS(_) _(ramps8) _(ramps32) _(ramps64) _(ramps16)
+
+/**
+ * X macro of all floating-point gamma ramps
+ * 
+ * @param  _:macro(identifer)  Macro to expand
+ */
+#define LIST_FLOAT_RAMPS(_) _(rampsf) _(rampsd)
+
+/**
+ * X macro of all gamma ramps
+ * 
+ * @param  _:macro(identifer)  Macro to expand
+ */
+#define LIST_RAMPS(_) LIST_FLOAT_RAMPS(_) LIST_INTEGER_RAMPS(_)
+
+/* ramps16 is last because we want to make sure that the gamma ramps are
+   preserved exactly on exit, and we assume X RandR is used. */
+
+
+
+/**
+ * Test mapping function from [0, 1] float encoding value to [0, 2⁸ − 1] integer output value
+ * 
+ * @param   encoding  [0, 1] float encoding value
+ * @return            [0, 2⁸ − 1] integer output value
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static uint8_t
+dim_ramps8(float encoding)
+{
+	double i_encoding = (double)(encoding / 2.f);
+	double f_output = (double)UINT8_MAX * i_encoding;
+	uint8_t output = (uint8_t)f_output;
+	if (i_encoding < (double)0.25f && output > UINT8_MAX / 2)
+		output = 0;
+	if (i_encoding > (double)0.75f && output < UINT8_MAX / 2)
+		output = UINT8_MAX;
+	return output;
+}
+
+/**
+ * Test mapping function from [0, 1] float encoding value to [0, 2¹⁶ − 1] integer output value
+ * 
+ * @param   encoding  [0, 1] float encoding value
+ * @return            [0, 2¹⁶ − 1] integer output value
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static uint16_t
+dim_ramps16(float encoding)
+{
+	double i_encoding = (double)(encoding / 2.f);
+	double f_output = (double)UINT16_MAX * i_encoding;
+	uint16_t output = (uint16_t)f_output;
+	if (i_encoding < (double)0.25f && output > UINT16_MAX / 2)
+		output = 0;
+	if (i_encoding > (double)0.75f && output < UINT16_MAX / 2)
+		output = UINT16_MAX;
+	return output;
+}
+
+/**
+ * Test mapping function from [0, 1] float encoding value to [0, 2³² − 1] integer output value
+ * 
+ * @param   encoding  [0, 1] float encoding value
+ * @return            [0, 2³² − 1] integer output value
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static uint32_t
+dim_ramps32(float encoding)
+{
+	double i_encoding = (double)(encoding / 2.f);
+	double f_output = (double)UINT32_MAX * i_encoding;
+	uint32_t output = (uint32_t)f_output;
+	if (i_encoding < (double)0.25f && output > UINT32_MAX / 2)
+		output = 0;
+	if (i_encoding > (double)0.75f && output < UINT32_MAX / 2)
+		output = UINT32_MAX;
+	return output;
+}
+
+/**
+ * Test mapping function from [0, 1] float encoding value to [0, 2⁶⁴ − 1] integer output value
+ * 
+ * @param   encoding  [0, 1] float encoding value
+ * @return            [0, 2⁶⁴ − 1] integer output value
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static uint64_t
+dim_ramps64(float encoding)
+{
+	double i_encoding = (double)(encoding / 2.f);
+	double f_output = (double)UINT64_MAX * i_encoding;
+	uint64_t output = (uint64_t)f_output;
+	if (i_encoding < (double)0.25f && output > UINT64_MAX / 2)
+		output = 0;
+	if (i_encoding > (double)0.75f && output < UINT64_MAX / 2)
+		output = UINT64_MAX;
+	return output;
+}
+
+/**
+ * Test mapping function from [0, 1] float encoding value to [0, 1] float output value
+ * 
+ * @param   encoding  [0, 1] float encoding value
+ * @return            [0, 1] float output value
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static float
+dim_rampsf(float encoding)
+{
+	return encoding / 2.f;
+}
+
+/**
+ * Test mapping function from [0, 1] double precision float encoding
+ * value to [0, 1] double precision float output value
+ * 
+ * @param   encoding  [0, 1] float encoding value
+ * @return            [0, 1] float output value
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static double
+dim_rampsd(double encoding)
+{
+	return encoding / (double)2.f;
+}
+
+
+/**
+ * Get the name representation of an
+ * adjustment method by its identifier
+ * 
+ * @param   method  The identifier of the adjustment method
+ * @return          The name of the adjustment
+ */
+LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
+static const char *
+method_name(int method)
+{
+	const char *r = libgamma_name_of_method(method);
+	return r ? r : "(unknown)";
+}
+
+
+/**
+ * Print a list of adjustment methods
+ * 
+ * @param  description  Precursory text for the list
+ * @param  methods      An array allocated to fit all adjustment methods
+ * @param  operation    See the `operation` parameter for `libgamma_list_methods`
+ */
+static void
+list_methods(const char *description, int *methods, int operation)
+{
+	/* Get adjustment method list */
+	size_t i, n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, operation);
+
+	/* Print adjustment method list */
+	printf("%s:\n", description);
+	for (i = 0; i < n; i++)
+		printf("  %s\n", method_name(methods[i]));
+	printf("\n");
+}
+
+
+/**
+ * Print all lists, of adjustments methods, that
+ * are made available by `libgamma_list_methods`
+ */
+static void
+list_methods_lists(void)
+{
+	/* Allocate a list for adjustment methods that is large
+	 * enough if the program is up to date with the library */
+	int methods[LIBGAMMA_METHOD_COUNT];
+	/* Get a list of all adjustment methods */
+	size_t n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, 4);
+
+	/* Print adjustment method lists. */
+	list_methods("Available adjustment methods",               methods, 4);
+	list_methods("Available real adjustment methods",          methods, 3);
+	list_methods("Available real non-fake adjustment methods", methods, 2);
+	list_methods("Recommended adjustment methods",             methods, 1);
+	list_methods("Recommended non-fake adjustment methods",    methods, 0);
+}
+
+
+/**
+ * Test the availability (determined at
+ * compile-time) of all adjustment
+ * methods and one that does not exist
+ */
+static void
+method_availability(void)
+{
+	int method;
+	/* The availability of an adjustmen method whose identifier
+	 * is invalid. It should say it is not available. */
+	printf("Testing the availability of a non-existing adjustment method: ");
+	printf("%s\n", libgamma_is_method_available(-1) ? "available" : "not available");
+
+	/* Test the availability of the adjustment methods that does exist */
+	for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
+		printf("Testing the availability of %s: ", method_name(method));
+		printf("%s\n", libgamma_is_method_available(method) ? "available" : "not available");
+	}
+	printf("\n");
+}
+
+
+/**
+ * List the default site and the environment
+ * variable, if any, that determines the
+ * default site, for all availiable adjustment
+ * methods
+ */
+static void
+list_default_sites(void)
+{
+	int method;
+	for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
+		/* Include only available adjustment methods.
+		 * If an adjustment method is not available
+		 * it should print "(null)", but as that can
+		 * be misguiding we exclude those methods. */
+		if (libgamma_is_method_available(method)) {
+			printf("Default site for %s:\n", method_name(method));
+			printf("  Variable: %s\n", libgamma_method_default_site_variable(method));
+			printf("  Site name: %s\n", libgamma_method_default_site(method));
+			printf("\n");
+		}
+	}
+}
+
+
+/**
+ * Print the capabilities of all availiable
+ * adjustment methods.
+ */
+static void
+method_capabilities(void)
+{
+	libgamma_method_capabilities_t caps;
+	int method;
+	for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
+		if (libgamma_is_method_available(method)) {
+			/* Print adjustment method name and get the
+			 * adjustment method's capabilities. */
+			printf("Capabilities of %s:\n", method_name(method));
+			libgamma_method_capabilities(&caps, method);
+
+			/* Print capabilities. The CRTC information
+			 * capabilities is printed hexadecimal. See
+			 * the `LIBGAMMA_CRTC_INFO_*` definitions in
+			 * `libgamma.h` for what each bit represents. */
+			printf("  %s: %X\n", "CRTC information",      caps.crtc_information);
+			printf("  %s: %s\n", "Default site known",    caps.default_site_known            ? "yes" : "no");
+			printf("  %s: %s\n", "Multiple sites",        caps.multiple_sites                ? "yes" : "no");
+			printf("  %s: %s\n", "Multiple partitions",   caps.multiple_partitions           ? "yes" : "no");
+			printf("  %s: %s\n", "Multiple crtcs",        caps.multiple_crtcs                ? "yes" : "no");
+			printf("  %s: %s\n", "Graphics cards",        caps.partitions_are_graphics_cards ? "yes" : "no");
+			printf("  %s: %s\n", "Site restore",          caps.site_restore                  ? "yes" : "no");
+			printf("  %s: %s\n", "Partition restore",     caps.partition_restore             ? "yes" : "no");
+			printf("  %s: %s\n", "CRTC restore",          caps.crtc_restore                  ? "yes" : "no");
+			printf("  %s: %s\n", "Identical gamma sizes", caps.identical_gamma_sizes         ? "yes" : "no");
+			printf("  %s: %s\n", "Fixed gamma size",      caps.fixed_gamma_size              ? "yes" : "no");
+			printf("  %s: %s\n", "Fixed gamma depth",     caps.fixed_gamma_depth             ? "yes" : "no");
+			printf("  %s: %s\n", "Real method",           caps.real                          ? "yes" : "no");
+			printf("  %s: %s\n", "Fake method",           caps.fake                          ? "yes" : "no");
+			printf("  %s: %s\n", "Auto restore",          caps.auto_restore                  ? "yes" : "no");
+			printf("\n");
+		}
+	}
+}
+
+
+
+/**
+ * Let the user select adjustment method, site, partition and CRTC
+ * 
+ * @param   site_state  Output slot for the site
+ * @param   part_state  Output slot for the partition
+ * @param   crtc_state  Output slot for the CRTC
+ * @return              Zero on and only on success
+ */
+static int
+select_monitor(libgamma_site_state_t *site_state, libgamma_partition_state_t *part_state, libgamma_crtc_state_t *crtc_state)
+{
+	int method;
+	char *site;
+	char *tmp;
+	char buf[256];
+	int r;
+
+
+	/* -- Adjustment method -- */
+
+	/* Let the user select adjustment method */
+	printf("Select adjustment method:\n");
+	for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++)
+		printf("    %i:  %s\n", method, method_name(method));
+	printf("> ");
+	fflush(stdout);
+	fgets(buf, sizeof(buf) / sizeof(char), stdin);
+	method = atoi(buf);
+
+
+	/* -- Site -- */
+
+	/* Let the user select site */
+	printf("Select site: ");
+	fflush(stdout);
+	fgets(buf, sizeof(buf) / sizeof(char), stdin);
+	tmp = strchr(buf, '\n');
+	if (tmp)
+		*tmp = '\0';
+	if (!buf[0]) {
+		site = NULL;
+	} else {
+		site = malloc((strlen(buf) + 1) * sizeof(char));
+		memcpy(site, buf, strlen(buf) + 1);
+	}
+
+	/* Initialise site state */
+	if ((r = libgamma_site_initialise(site_state, method, site))) {
+		free(site);
+		libgamma_perror("error", r);
+		return 1;
+	}
+
+
+	/* -- Partition -- */
+
+	/* Check that the site has at least one partition */
+	if (!site_state->partitions_available) {
+		libgamma_site_free(site_state);
+		printf("No partitions found\n");
+		return 1;
+	}
+
+	/* Let the user select partition */
+	printf("Select partition [0, %lu]: ", site_state->partitions_available - 1);
+	fflush(stdout);
+	fgets(buf, sizeof(buf) / sizeof(char), stdin);
+
+	/* Initialise partition state */
+	if ((r = libgamma_partition_initialise(part_state, site_state, (size_t)atoll(buf)))) {
+		libgamma_site_free(site_state);
+		libgamma_perror("error", r);
+		return 1;
+	}
+
+
+	/* -- CRTC -- */
+
+	/* Check that the partition has at least one CRTC */
+	if (!part_state->crtcs_available) {
+		libgamma_partition_free(part_state);
+		libgamma_site_free(site_state);
+		printf("No CRTC:s found\n");
+		return 1;
+	}
+
+	/* Let the user select CRTC */
+	printf("Select CRTC [0, %lu]: ", part_state->crtcs_available - 1);
+	fflush(stdout);
+	fgets(buf, sizeof(buf) / sizeof(char), stdin);
+
+	/* Initialise CRTC state. */
+	if ((r = libgamma_crtc_initialise(crtc_state, part_state, (size_t)atoll(buf)))) {
+		libgamma_partition_free(part_state);
+		libgamma_site_free(site_state);
+		libgamma_perror("error", r);
+		return 1;
+	}
+
+	printf("\n");
+	return 0;
+}
+
+
+
+/**
+ * Conditionally print a CRTC information field
+ * 
+ * @param  type:data-type           Data type for the value of the information field
+ * @param  notation:string-literal  %-pattern for `printf` (excluding the %) that is used for `type`
+ * @param  do_print                 Whether the information should be included in the process's output
+ * @param  description              A description of the information field
+ * @param  error                    The error of the information field
+ * @param  value                    The value of the information field
+ */
+#define print_crtc_information_(type, notation)\
+	static void\
+	print_crtc_information_##type(int do_print, const char *description, int error, type value)\
+	{\
+		char buf[256];\
+		if (do_print) {\
+			if (error) {\
+				snprintf(buf, sizeof(buf) / sizeof(char), "  (error) %s", description);\
+				libgamma_perror(buf, error);\
+			} else {\
+				printf("  %s: %" notation "\n", description, value);\
+			}\
+		}\
+	}
+
+
+/**
+ * A single [a-z] word alternative to `const char *`, we need it for the
+ * function name of the string variant of `print_crtc_information_*`
+ */
+typedef const char *str;
+/* Create `print_crtc_information_*` variants */
+print_crtc_information_(size_t, "lu")
+print_crtc_information_(signed, "i")
+print_crtc_information_(int, "i")
+#ifdef __GCC__
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdouble-promotion"
+#endif
+print_crtc_information_(float, "f")
+#ifdef __GCC__
+# pragma GCC diagnostic pop
+#endif
+print_crtc_information_(str, "s")
+#undef print_crtc_information_
+
+
+/**
+ * Get a string representation of a subpixel order
+ * 
+ * @param   value  The subpixel order
+ * @return         String representation
+ */
+static const char *
+subpixel_order_str(libgamma_subpixel_order_t value)
+{
+	const char *r = libgamma_name_of_subpixel_order(value);
+	return r ? r : "(unknown)";
+}
+
+
+/**
+ * Get a string representation of a connector type
+ * 
+ * @param   value  The connector type
+ * @return         String representation
+ */
+static const char *
+connector_type_str(libgamma_connector_type_t value)
+{
+	const char *r = libgamma_name_of_connector_type(value);
+	return r ? r : "(unknown)";
+}
+
+
+/**
+ * Get a string representation of a decision
+ * 
+ * @param   value  The decision
+ * @return         String representation
+ */
+static const char *
+decision_str(libgamma_decision_t value)
+{
+	switch (value) {
+	case LIBGAMMA_NO:    return "LIBGAMMA_NO"; 
+	case LIBGAMMA_MAYBE: return "LIBGAMMA_MAYBE"; 
+	case LIBGAMMA_YES:   return "LIBGAMMA_YES"; 
+	default:
+		return "(unknown)";
+	}
+}
+
+
+/**
+ * The CRTC information for a CRTC
+ * 
+ * @param  crtc  The CRTC
+ */
+static void
+crtc_information(libgamma_crtc_state_t *restrict crtc)
+{
+	libgamma_method_capabilities_t caps;
+	libgamma_crtc_information_t info;
+	int fields, field;
+	char *edid_lc, *edid_uc;
+	unsigned char *edid_raw;
+
+	/* Get supported CRTC informations fields */
+	libgamma_method_capabilities(&caps, crtc->partition->site->method);
+
+	/* List unsupport information fields by testing them one by one */
+	for (fields = caps.crtc_information; field = fields & -fields, fields; fields ^= field) {
+		if (libgamma_get_crtc_information(&info, crtc, field))
+			printf("Could not read CRTC information field %i\n", field);
+		free(info.edid);
+		free(info.connector_name);
+	}
+
+	/* Get CRTC information, that is supported */
+	fields = caps.crtc_information;
+	if (libgamma_get_crtc_information(&info, crtc, fields))
+		printf("An error occurred while reading CRTC information\n");
+
+	/* Macros for printing CRTC information */
+#define print2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, ERROR_VAR)\
+	print_crtc_information_##TYPE(fields & FIELD_ID, DESCRIPTION, info.ERROR_VAR, info.FIELD_VAR);
+#define print(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR)\
+	print2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, FIELD_VAR##_error);
+  
+  
+	/* Print CRTC information */
+
+	printf("CRTC information:\n");
+
+	/* Print the EDID field */
+	if ((fields & LIBGAMMA_CRTC_INFO_EDID)) {
+		if (info.edid_error) {
+			libgamma_perror("  (error) EDID", info.edid_error);
+		} else {
+			edid_lc  = libgamma_behex_edid(info.edid, info.edid_length);
+			edid_raw = libgamma_unhex_edid(edid_lc);
+			edid_uc  = libgamma_behex_edid_uppercase(edid_raw, info.edid_length);
+			printf("  EDID: %s\n", edid_lc);
+			printf("  EDID (uppercase): %s\n", edid_uc);
+			printf("  EDID (length): %lu\n", info.edid_length);
+			free(edid_lc);
+			free(edid_raw);
+			free(edid_uc);
+		}
+	}
+	/* Print physical dimensions of the monitor */
+	print(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM, "width", width_mm);
+	print(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM, "height", height_mm);
+	print(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID, "width per EDID", width_mm_edid);
+	print(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID, "height per EDID", height_mm_edid);
+	/* Print gamma ramp information */
+	print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "red gamma ramp size", red_gamma_size, gamma_size_error);
+	print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "green gamma ramp size", green_gamma_size, gamma_size_error);
+	print2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "blue gamma ramp size", blue_gamma_size, gamma_size_error);
+	print(signed, LIBGAMMA_CRTC_INFO_GAMMA_DEPTH, "gamma ramp depth", gamma_depth);
+	/* Print gamma ramp support */
+	if (fields & LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT) {
+		if (info.gamma_support_error)
+			libgamma_perror("  (error) gamma support", info.gamma_support_error);
+		else
+			printf("  gamma support: %s\n", decision_str(info.gamma_support));
+	}
+	/* Print subpixel order for the monitor */
+	if (fields & LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER) {
+		if (info.subpixel_order_error)
+			libgamma_perror("  (error) subpixel order", info.subpixel_order_error);
+		else
+			printf("  subpixel order: %s\n", subpixel_order_str(info.subpixel_order));
+	}
+	/* Print connector information */
+	print(int, LIBGAMMA_CRTC_INFO_ACTIVE, "active", active);
+	print(str, LIBGAMMA_CRTC_INFO_CONNECTOR_NAME, "connector name", connector_name);
+	if (fields & LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE) {
+		if (info.connector_type_error)
+			libgamma_perror("  (error) subpixel order", info.connector_type_error);
+		else
+			printf("  subpixel order: %s\n", connector_type_str(info.connector_type));
+	}
+	/* Print the gamma characteristics of the monitor */
+	print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "red gamma characteristics", gamma_red, gamma_error);
+	print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "green gamma characteristics", gamma_green, gamma_error);
+	print2(float, LIBGAMMA_CRTC_INFO_GAMMA, "blue gamma characteristics", gamma_blue, gamma_error);
+	printf("\n");
+
+
+#undef print
+#undef print2
+
+	/* Release resouces */
+	free(info.edid);
+	free(info.connector_name);
+}
+
+
+/**
+ * The error API
+ */
+void
+error_test(void)
+{
+	int i;
+  
+	/* Test that naming and name dereferencing
+	   of errors work. Because the mappings in
+	   these [`libgamma_value_of_error` and
+	   `libgamma_name_of_error`] functions are
+	   generated, it should work if and only if
+	   one test passes, assumming the errors are
+	   unique whihc is tested in the end of this
+	   function. */
+	printf("Testing error API using LIBGAMMA_STATE_UNKNOWN:\n");
+	printf("  Expecting %i: %i\n", LIBGAMMA_STATE_UNKNOWN, libgamma_value_of_error("LIBGAMMA_STATE_UNKNOWN"));
+	printf("  Expecting %s: %s\n", "LIBGAMMA_STATE_UNKNOWN", libgamma_name_of_error(LIBGAMMA_STATE_UNKNOWN));
+	printf("\n");
+  
+	/* Test that `libgamma_perror` can print
+	   libgamma errors and system errors, and
+	   handle success in the same with as `perror`. */
+	printf("Testing libgamma_perror:\n");
+	libgamma_perror("  Expecting LIBGAMMA_STATE_UNKNOWN", LIBGAMMA_STATE_UNKNOWN);
+	libgamma_perror("  Expecting a description for ENOMEM", ENOMEM);
+	libgamma_perror("  Expecting a description for successfulness", 0);
+	/* Test that `libgamma_perror` handles
+	   `LIBGAMMA_ERRNO_SET` correctly. */
+	libgamma_perror("  Expecting a description for ENOMEM", (errno = ENOMEM, LIBGAMMA_ERRNO_SET));
+	/* That that `libgamma_perror` handles
+	   `LIBGAMMA_DEVICE_REQUIRE_GROUP`
+	   correctly both when the required
+	   group's name is known and when it
+	   is unknown. */
+	libgamma_group_gid_set(10);
+	libgamma_group_name_set("test");
+	libgamma_perror("  Expecting 'LIBGAMMA_DEVICE_REQUIRE_GROUP: test (10)'", LIBGAMMA_DEVICE_REQUIRE_GROUP);
+	libgamma_group_name_set(NULL);
+	libgamma_perror("  Expecting 'LIBGAMMA_DEVICE_REQUIRE_GROUP: 10'", LIBGAMMA_DEVICE_REQUIRE_GROUP);
+	printf("\n");
+  
+	/* That all libgamma error codes
+	   are unique. This is done by
+	   getting the name associated
+	   with an error code and the getting
+	   the error code associated that
+	   name and test that the same
+	   error code is returned as put in,
+	   for each libgamma error code. */
+	printf("Testing error code uniqueness: ");
+	for (i = -1; i >= LIBGAMMA_ERROR_MIN; i--) {
+		if (libgamma_value_of_error(libgamma_name_of_error(i)) != i) {
+			printf("failed\n");
+			goto not_unique;
+		}
+	}
+	printf("passed\n");
+not_unique:
+	printf("\n");
+}
+
+
+
+/**
+ * Test libgamma
+ * 
+ * @return  Non-zero on machine detectable error, this library
+ *          may still be faulty if zero is returned
+ */
+int
+main(void)
+{
+	libgamma_site_state_t *site_state = malloc(sizeof(libgamma_site_state_t));
+	libgamma_partition_state_t *part_state = malloc(sizeof(libgamma_partition_state_t));
+	libgamma_crtc_state_t *crtc_state = malloc(sizeof(libgamma_crtc_state_t));
+	libgamma_crtc_information_t info;
+#define X(RAMPS)\
+	libgamma_gamma_##RAMPS##_t old_##RAMPS, RAMPS;\
+	libgamma_gamma_##RAMPS##_fun* f_##RAMPS = dim_##RAMPS;
+	LIST_RAMPS(X)
+#undef X
+	size_t i, n;
+	int r, rr = 0;
+
+	/* Test miscellaneous parts of the library */
+	list_methods_lists();
+	method_availability();
+	list_default_sites();
+	method_capabilities();
+	error_test();
+
+	/* Select monitor for tests over CRTC:s, partitions and sites */
+	if (select_monitor(site_state, part_state, crtc_state))
+		return 1;
+
+	/* Test CRTC information functions */
+	crtc_information(crtc_state);
+
+	/* Get the sizes of the gamma ramps for the selected CRTC */
+	libgamma_get_crtc_information(&info, crtc_state, LIBGAMMA_CRTC_INFO_GAMMA_SIZE);
+
+	/* Create gamma ramps for each depth */
+#define X(R)\
+	old_##R.red_size = info.red_gamma_size;\
+	old_##R.green_size = info.green_gamma_size;\
+	old_##R.blue_size = info.blue_gamma_size;\
+	R = old_##R;\
+	libgamma_gamma_##R##_initialise(&old_##R);\
+	libgamma_gamma_##R##_initialise(&R);
+	LIST_RAMPS(X)
+#undef X
+
+	/* Fill gamma ramps, for each depth, with the CRTC:s current ramps */
+#define X(R)\
+	if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &old_##R))) {\
+		libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
+		goto done;\
+	}\
+	if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &R))) {\
+		libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
+		goto done;\
+	}
+	LIST_RAMPS(X)
+#undef X
+  
+	/* Test function assisted gamma ramps setting */
+#define X(R)\
+	/* Dim the monitor for one second and the restore it. */\
+	printf("Dimming monitor output for 1 second... (" #R ")\n");\
+	if ((rr |= r = libgamma_crtc_set_gamma_##R##_f(crtc_state, f_##R, f_##R, f_##R)))\
+		libgamma_perror("libgamma_crtc_set_gamma_" #R "_f", r);\
+	sleep(1);\
+	if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &old_##R)))\
+		libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
+	printf("Done!\n");\
+	/* Sleep for one second, we have more depths to test */\
+	printf("Sleeping for 1 second...\n");\
+	sleep(1);
+	LIST_RAMPS(X)
+#undef X
+
+	/* Test getting and setting gamma ramps */
+#define X(R)\
+	/* Get the grand size of the gamma ramps */\
+	n = R.red_size;\
+	n = n > R.green_size ? n : R.green_size;\
+	n = n > R.blue_size ? n : R.blue_size;\
+	/* Print the current gamma ramps */\
+	printf("Current gamma ramps (" #R "):\n");\
+	for (i = 0; i < n; i++) {\
+		if (i < R.red_size)    Y(R.red,   "1");  else  printf("      ");\
+		if (i < R.green_size)  Y(R.green, "2");  else  printf("      ");\
+		if (i < R.blue_size)   Y(R.blue,  "4");  else  printf("      ");\
+		printf("\n");\
+	}\
+	printf("\n");\
+	/* Adjust the gamma ramps for dimming the monitor */\
+	for (i = 0; i < R.red_size + R.green_size + R.blue_size; i++)\
+		R.red[i] /= 2;\
+	/* Dim the monitor for one second and the restore it */\
+	printf("Dimming monitor for 1 second...\n");\
+	if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &R)))\
+		libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
+	sleep(1);\
+	if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &old_##R)))\
+		libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
+	printf("Done!\n");\
+	/* Sleep for one second, we have more depths to test */\
+	printf("Sleeping for 1 second...\n");\
+	sleep(1);
+#define Y(R, C)  printf("  \033[3" C "m%1.8lf\033[00m", (double)(R[i]))
+	LIST_FLOAT_RAMPS(X)
+#undef Y
+#define Y(R, C)  printf("  \033[3" C "m%16llX\033[00m", (uint64_t)(R[i]))
+	LIST_INTEGER_RAMPS(X)
+#undef Y
+#undef X
+
+	/* Test order of gamma ramps */
+	memcpy(ramps16.red, old_ramps16.red, ramps16.red_size * sizeof(uint16_t));
+	memset(ramps16.green, 0, ramps16.green_size * sizeof(uint16_t));
+	memset(ramps16.blue, 0, ramps16.blue_size * sizeof(uint16_t));
+	printf("Making the monitor red-only for 1 second...\n");
+	if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
+		libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
+	sleep(1);
+	memset(ramps16.red, 0, ramps16.red_size * sizeof(uint16_t));
+	memcpy(ramps16.green, old_ramps16.green, ramps16.green_size * sizeof(uint16_t));
+	printf("Making the monitor green-only for 1 second...\n");
+	if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
+		libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
+	sleep(1);
+	memset(ramps16.green, 0, ramps16.green_size * sizeof(uint16_t));
+	memcpy(ramps16.blue, old_ramps16.blue, ramps16.blue_size * sizeof(uint16_t));
+	printf("Making the monitor green-only for 1 second...\n");
+	if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
+		libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
+	sleep(1);
+	if ((rr |= r = libgamma_crtc_set_gamma_ramps64(crtc_state, &old_ramps64)))
+		libgamma_perror("libgamma_crtc_set_gamma_ramps64", r);
+	printf("Done!\n");
+
+	/* TODO Test gamma ramp restore functions */
+  
+done:
+	/* Release resouces */
+#define X(R)\
+	libgamma_gamma_##R##_destroy(&R);\
+	libgamma_gamma_##R##_destroy(&old_##R);
+	LIST_RAMPS(X)
+#undef X
+	libgamma_crtc_free(crtc_state);
+	libgamma_partition_free(part_state);
+	libgamma_site_free(site_state);
+	return rr;
+}