mutter/tests/conform/test-utils.h

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#ifndef _TEST_UTILS_H_
#define _TEST_UTILS_H_
typedef enum _TestRequirement
{
TEST_REQUIREMENT_GL = 1<<0,
TEST_REQUIREMENT_NPOT = 1<<2,
TEST_REQUIREMENT_TEXTURE_3D = 1<<3
} TestRequirement;
/* For compatability since we used to use the glib gtester
* infrastructure and all our unit tests have an entry
* point with a first argument of this type... */
typedef struct _TestUtilsGTestFixture TestUtilsGTestFixture;
/* Stuff you put in here is setup once in main() and gets passed around to
* all test functions and fixture setup/teardown functions in the data
* argument */
typedef struct _TestUtilsSharedState
{
int *argc_addr;
char ***argv_addr;
CoglContext *ctx;
CoglFramebuffer *fb;
} TestUtilsSharedState;
void
test_utils_init (TestUtilsSharedState *state,
TestRequirement requirements);
void
test_utils_fini (TestUtilsSharedState *state);
/*
* test_utils_check_pixel:
* @x: x co-ordinate of the pixel to test
* @y: y co-ordinate of the pixel to test
* @pixel: An integer of the form 0xRRGGBBAA representing the expected
* pixel value
*
* This performs reads a pixel on the current cogl framebuffer and
* asserts that it matches the given color. The alpha channel of the
* color is ignored. The pixels are converted to a string and compared
* with g_assert_cmpstr so that if the comparison fails then the
* assert will display a meaningful message
*/
void
test_utils_check_pixel (int x, int y, guint32 expected_pixel);
/*
* test_utils_check_pixel:
* @x: x co-ordinate of the pixel to test
* @y: y co-ordinate of the pixel to test
* @pixel: An integer of the form 0xrrggbb representing the expected pixel value
*
* This performs reads a pixel on the current cogl framebuffer and
* asserts that it matches the given color. The alpha channel of the
* color is ignored. The pixels are converted to a string and compared
* with g_assert_cmpstr so that if the comparison fails then the
* assert will display a meaningful message
*/
void
test_utils_check_pixel_rgb (int x, int y, int r, int g, int b);
/*
* test_utils_check_region:
* @x: x co-ordinate of the region to test
* @y: y co-ordinate of the region to test
* @width: width of the region to test
* @height: height of the region to test
* @pixel: An integer of the form 0xrrggbb representing the expected region color
*
* Performs a read pixel on the specified region of the current cogl
* framebuffer and asserts that it matches the given color. The alpha
* channel of the color is ignored. The pixels are converted to a
* string and compared with g_assert_cmpstr so that if the comparison
* fails then the assert will display a meaningful message
*/
void
test_utils_check_region (int x, int y,
int width, int height,
guint32 expected_rgba);
/*
* test_utils_compare_pixel:
* @screen_pixel: A pixel stored in memory
* @expected_pixel: The expected RGBA value
*
* Compares a pixel from a buffer to an expected value. The pixels are
* converted to a string and compared with g_assert_cmpstr so that if
* the comparison fails then the assert will display a meaningful
* message.
*/
void
test_utils_compare_pixel (const guint8 *screen_pixel, guint32 expected_pixel);
/*
* test_utils_create_color_texture:
* @context: A #CoglContext
* @color: A color to put in the texture
*
* Creates a 1x1-pixel RGBA texture filled with the given color.
*/
CoglTexture *
test_utils_create_color_texture (CoglContext *context,
guint32 color);
/* cogl_test_verbose:
*
* Queries if the user asked for verbose output or not.
*/
gboolean
cogl_test_verbose (void);
#endif /* _TEST_UTILS_H_ */