cd9e1be6ae
The compare pixel function was a static function used internally by the test_utils_check_* functions. It takes a pointer to a pixel in a buffer read back from Cogl and compares it with an expected value. This function could also be useful in tests wanting to check the data returned from a call to cogl_texture_get_data so we should share it with the rest of the tests. https://bugzilla.gnome.org/show_bug.cgi?id=668913 Reviewed-by: Robert Bragg <robert@linux.intel.com>
104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
#ifndef _TEST_UTILS_H_
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#define _TEST_UTILS_H_
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/* This fixture structure is allocated by glib, and before running
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* each test we get a callback to initialize it.
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*
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* Actually we don't use this currently, we instead manage our own
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* TestUtilsSharedState structure which also gets passed as a private
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* data argument to the same initialization callback. The advantage of
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* allocating our own shared state structure is that we can put data
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* in it before we start running anything.
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*/
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typedef struct _TestUtilsGTestFixture
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{
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/**/
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int dummy;
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} TestUtilsGTestFixture;
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/* Stuff you put in here is setup once in main() and gets passed around to
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* all test functions and fixture setup/teardown functions in the data
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* argument */
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typedef struct _TestUtilsSharedState
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{
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int *argc_addr;
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char ***argv_addr;
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void (* todo_func) (TestUtilsGTestFixture *, void *data);
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CoglContext *ctx;
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CoglFramebuffer *fb;
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} TestUtilsSharedState;
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void
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test_utils_init (TestUtilsGTestFixture *fixture,
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const void *data);
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void
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test_utils_fini (TestUtilsGTestFixture *fixture,
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const void *data);
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/*
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* test_utils_check_pixel:
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* @x: x co-ordinate of the pixel to test
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* @y: y co-ordinate of the pixel to test
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* @pixel: An integer of the form 0xRRGGBBAA representing the expected
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* pixel value
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*
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* This performs reads a pixel on the current cogl framebuffer and
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* asserts that it matches the given color. The alpha channel of the
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* color is ignored. The pixels are converted to a string and compared
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* with g_assert_cmpstr so that if the comparison fails then the
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* assert will display a meaningful message
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*/
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void
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test_utils_check_pixel (int x, int y, guint32 expected_pixel);
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/*
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* test_utils_check_pixel:
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* @x: x co-ordinate of the pixel to test
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* @y: y co-ordinate of the pixel to test
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* @pixel: An integer of the form 0xrrggbb representing the expected pixel value
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*
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* This performs reads a pixel on the current cogl framebuffer and
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* asserts that it matches the given color. The alpha channel of the
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* color is ignored. The pixels are converted to a string and compared
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* with g_assert_cmpstr so that if the comparison fails then the
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* assert will display a meaningful message
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*/
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void
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test_utils_check_pixel_rgb (int x, int y, int r, int g, int b);
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/*
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* test_utils_check_region:
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* @x: x co-ordinate of the region to test
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* @y: y co-ordinate of the region to test
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* @width: width of the region to test
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* @height: height of the region to test
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* @pixel: An integer of the form 0xrrggbb representing the expected region color
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*
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* Performs a read pixel on the specified region of the current cogl
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* framebuffer and asserts that it matches the given color. The alpha
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* channel of the color is ignored. The pixels are converted to a
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* string and compared with g_assert_cmpstr so that if the comparison
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* fails then the assert will display a meaningful message
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*/
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void
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test_utils_check_region (int x, int y,
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int width, int height,
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guint32 expected_rgba);
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/*
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* test_utils_compare_pixel:
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* @screen_pixel: A pixel stored in memory
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* @expected_pixel: The expected RGBA value
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*
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* Compares a pixel from a buffer to an expected value. The pixels are
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* converted to a string and compared with g_assert_cmpstr so that if
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* the comparison fails then the assert will display a meaningful
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* message.
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*/
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void
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test_utils_compare_pixel (const guint8 *screen_pixel, guint32 expected_pixel);
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#endif /* _TEST_UTILS_H_ */
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