Add tests

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

1 files changed, 102 insertions, 1 deletions

diff --git a/enstrndup.c b/enstrndup.c
index 367ab3c..a6bc7b3 100644
--- a/enstrndup.c
+++ b/enstrndup.c
@@ -4,7 +4,7 @@
 
 
 char *
-libsimple_enstrndup(int status, const char *s, size_t n) /* TODO test (libsimple_estrndup) */
+libsimple_enstrndup(int status, const char *s, size_t n)
 {
 	void *ret = strndup(s, n);
 	if (!ret)
@@ -19,6 +19,107 @@ libsimple_enstrndup(int status, const char *s, size_t n) /* TODO test (libsimple
 int
 main(void)
 {
+	struct allocinfo *info;
+	char *s;
+
+	assert((s = libsimple_enstrndup(1, "hello", 10)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(s)));
+		assert(info->size == 6);
+		assert(!info->zeroed);
+	}
+	assert(!strcmp(s, "hello"));
+	free(s);
+
+	assert((s = libsimple_estrndup("test", 10)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(s)));
+		assert(info->size == 5);
+		assert(!info->zeroed);
+	}
+	assert(!strcmp(s, "test"));
+	free(s);
+
+	assert((s = libsimple_enstrndup(1, "hello", 2)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(s)));
+		assert(info->size == 3);
+		assert(!info->zeroed);
+	}
+	assert(!strcmp(s, "he"));
+	free(s);
+
+	assert((s = libsimple_estrndup("test", 3)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(s)));
+		assert(info->size == 4);
+		assert(!info->zeroed);
+	}
+	assert(!strcmp(s, "tes"));
+	free(s);
+
+	assert((s = libsimple_enstrndup(1, "hello", 0)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(s)));
+		assert(info->size == 1);
+		assert(!info->zeroed);
+	}
+	assert(!strcmp(s, ""));
+	free(s);
+
+	assert((s = libsimple_estrndup("test", 0)));
+	if (have_custom_malloc()) {
+		assert((info = get_allocinfo(s)));
+		assert(info->size == 1);
+		assert(!info->zeroed);
+	}
+	assert(!strcmp(s, ""));
+	free(s);
+
+	if (have_custom_malloc()) {
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_enstrndup(14, "hello", 10));
+		assert(exit_status == 14);
+		assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+
+		libsimple_default_failure_exit = 15;
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_estrndup("test", 10));
+		assert(exit_status == 15);
+		assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+		libsimple_default_failure_exit = 1;
+
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_enstrndup(16, "hello", 1));
+		assert(exit_status == 16);
+		assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+
+		libsimple_default_failure_exit = 17;
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_estrndup("test", 2));
+		assert(exit_status == 17);
+		assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+		libsimple_default_failure_exit = 1;
+
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_enstrndup(18, "hello", 0));
+		assert(exit_status == 18);
+		assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+
+		libsimple_default_failure_exit = 19;
+		alloc_fail_in = 1;
+		assert_exit_ptr(libsimple_estrndup("test", 0));
+		assert(exit_status == 19);
+		assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+		assert(!alloc_fail_in);
+		libsimple_default_failure_exit = 1;
+	}
+
 	return 0;
 }