1 files changed, 60 insertions, 0 deletions
diff --git a/libglitter_enable_acceleration.c b/libglitter_enable_acceleration.c
index f012da9..791fe71 100644
--- a/libglitter_enable_acceleration.c
+++ b/libglitter_enable_acceleration.c
@@ -1,5 +1,6 @@
 /* See LICENSE file for copyright and license details. */
 #include "common.h"
+#ifndef TEST
 
 
 int
@@ -15,3 +16,62 @@ libglitter_enable_acceleration(uint64_t features, int async, void (*callback)(in
 
 	return 0;
 }
+
+
+#else
+
+
+static size_t callback_calls = 0;
+
+static void
+callback(int ret, int err, void *user)
+{
+	callback_calls++;
+	ASSERT(!ret);
+	ASSERT(!err);
+	ASSERT(user);
+	ASSERT(*(const char *)user == 'u');
+}
+
+static void
+callback_null(int ret, int err, void *user)
+{
+	callback_calls++;
+	ASSERT(!ret);
+	ASSERT(!err);
+	ASSERT(!user);
+}
+int
+main(void)
+{
+	char data = 'u';
+	ASSERT(!libglitter_enable_acceleration(0, 0, NULL, NULL));
+	ASSERT(!libglitter_enable_acceleration(0, 1, NULL, NULL));
+	ASSERT(!libglitter_enable_acceleration(~0, 0, NULL, NULL));
+	ASSERT(!libglitter_enable_acceleration(~0, 1, NULL, NULL));
+	ASSERT(!libglitter_enable_acceleration(0, 0, NULL, &data));
+	ASSERT(!libglitter_enable_acceleration(0, 1, NULL, &data));
+	ASSERT(!libglitter_enable_acceleration(~0, 0, NULL, &data));
+	ASSERT(!libglitter_enable_acceleration(~0, 1, NULL, &data));
+	ASSERT(callback_calls == 0);
+	ASSERT(!libglitter_enable_acceleration(0, 0, callback, &data));
+	ASSERT(callback_calls == 1);
+	ASSERT(!libglitter_enable_acceleration(0, 1, callback, &data));
+	ASSERT(callback_calls == 2);
+	ASSERT(!libglitter_enable_acceleration(~0, 0, callback, &data));
+	ASSERT(callback_calls == 3);
+	ASSERT(!libglitter_enable_acceleration(~0, 1, callback, &data));
+	ASSERT(callback_calls == 4);
+	ASSERT(!libglitter_enable_acceleration(0, 0, callback_null, NULL));
+	ASSERT(callback_calls == 5);
+	ASSERT(!libglitter_enable_acceleration(0, 1, callback_null, NULL));
+	ASSERT(callback_calls == 6);
+	ASSERT(!libglitter_enable_acceleration(~0, 0, callback_null, NULL));
+	ASSERT(callback_calls == 7);
+	ASSERT(!libglitter_enable_acceleration(~0, 1, callback_null, NULL));
+	ASSERT(callback_calls == 8);
+	return 0;
+}
+
+
+#endif