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[test/invalid-matrix] Test detection of infinities.
Feed infinities into the API and check that we correctly return INVALID_MATRIX.
This commit is contained in:
Chris Wilson
parent
012f68e043
commit
92970ec836
1 changed files with 122 additions and 1 deletions
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@ -26,6 +26,10 @@
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#include "cairo-test.h"
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#if _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE
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#define HAVE_INFINITY 1
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#endif
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static cairo_test_draw_function_t draw;
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cairo_test_t test = {
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@ -45,7 +49,7 @@ draw (cairo_t *cr, int width, int height)
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cairo_scaled_font_t *scaled_font;
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cairo_pattern_t *pattern;
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cairo_t *cr2;
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cairo_matrix_t identity, bogus, invalid = {
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cairo_matrix_t identity, bogus, inf, invalid = {
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4.0, 4.0,
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4.0, 4.0,
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4.0, 4.0
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@ -71,6 +75,13 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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status = cairo_matrix_invert (&bogus);
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CHECK_STATUS (status, "cairo_matrix_invert(NaN)");
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#if HAVE_INFINITY
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inf.x0 = inf.xy = inf.xx = INFINITY;
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inf.y0 = inf.yx = inf.yy = inf.xx;
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status = cairo_matrix_invert (&inf);
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CHECK_STATUS (status, "cairo_matrix_invert(infinity)");
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#endif
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/* test cairo_matrix_invert with invalid matrix */
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status = cairo_matrix_invert (&invalid);
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CHECK_STATUS (status, "cairo_matrix_invert(invalid)");
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@ -96,6 +107,16 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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cairo_destroy (cr2);
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CHECK_STATUS (status, "cairo_transform(NaN)");
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#if HAVE_INFINITY
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/* test cairo_transform with ∞ matrix */
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cr2 = cairo_create (target);
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cairo_transform (cr2, &inf);
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status = cairo_status (cr2);
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cairo_destroy (cr2);
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CHECK_STATUS (status, "cairo_transform(infinity)");
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#endif
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/* test cairo_set_matrix with invalid matrix */
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cr2 = cairo_create (target);
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@ -113,6 +134,16 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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cairo_destroy (cr2);
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CHECK_STATUS (status, "cairo_set_matrix(NaN)");
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#if HAVE_INFINITY
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/* test cairo_set_matrix with ∞ matrix */
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cr2 = cairo_create (target);
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cairo_set_matrix (cr2, &inf);
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status = cairo_status (cr2);
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cairo_destroy (cr2);
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CHECK_STATUS (status, "cairo_set_matrix(infinity)");
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#endif
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/* test cairo_set_font_matrix with invalid matrix */
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cr2 = cairo_create (target);
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@ -136,6 +167,19 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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cairo_destroy (cr2);
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CHECK_STATUS (status, "cairo_set_font_matrix(NaN)");
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#if HAVE_INFINITY
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/* test cairo_set_font_matrix with ∞ matrix */
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cr2 = cairo_create (target);
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cairo_set_font_matrix (cr2, &inf);
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/* draw some text to force the font to be resolved */
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cairo_show_text (cr2, "hello");
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status = cairo_status (cr2);
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cairo_destroy (cr2);
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CHECK_STATUS (status, "cairo_set_font_matrix(infinity)");
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#endif
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/* test cairo_scaled_font_create with invalid matrix */
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cr2 = cairo_create (target);
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@ -187,6 +231,33 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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cairo_font_options_destroy (font_options);
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cairo_destroy (cr2);
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#if HAVE_INFINITY
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/* test cairo_scaled_font_create with ∞ matrix */
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cr2 = cairo_create (target);
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font_face = cairo_get_font_face (cr2);
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font_options = cairo_font_options_create ();
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cairo_get_font_options (cr, font_options);
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scaled_font = cairo_scaled_font_create (font_face,
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&inf,
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&identity,
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font_options);
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status = cairo_scaled_font_status (scaled_font);
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CHECK_STATUS (status, "cairo_scaled_font_create(infinity)");
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cairo_scaled_font_destroy (scaled_font);
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scaled_font = cairo_scaled_font_create (font_face,
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&identity,
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&inf,
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font_options);
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status = cairo_scaled_font_status (scaled_font);
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CHECK_STATUS (status, "cairo_scaled_font_create(infinity)");
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cairo_scaled_font_destroy (scaled_font);
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cairo_font_options_destroy (font_options);
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cairo_destroy (cr2);
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#endif
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/* test cairo_pattern_set_matrix with invalid matrix */
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pattern = cairo_pattern_create_rgb (1.0, 1.0, 1.0);
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@ -202,6 +273,15 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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CHECK_STATUS (status, "cairo_pattern_set_matrix(NaN)");
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cairo_pattern_destroy (pattern);
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#if HAVE_INFINITY
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/* test cairo_pattern_set_matrix with ∞ matrix */
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pattern = cairo_pattern_create_rgb (1.0, 1.0, 1.0);
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cairo_pattern_set_matrix (pattern, &inf);
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status = cairo_pattern_status (pattern);
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CHECK_STATUS (status, "cairo_pattern_set_matrix(infinity)");
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cairo_pattern_destroy (pattern);
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#endif
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/* test invalid transformations */
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cr2 = cairo_create (target);
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@ -219,6 +299,23 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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CHECK_STATUS (status, "cairo_translate(NaN, 0)");
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cairo_destroy (cr2);
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#if HAVE_INFINITY
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cr2 = cairo_create (target);
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cairo_translate (cr2, inf.xx, inf.yy);
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CHECK_STATUS (status, "cairo_translate(∞, ∞)");
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cairo_destroy (cr2);
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cr2 = cairo_create (target);
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cairo_translate (cr2, 0, inf.yy);
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CHECK_STATUS (status, "cairo_translate(0, ∞)");
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cairo_destroy (cr2);
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cr2 = cairo_create (target);
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cairo_translate (cr2, inf.xx, 0);
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CHECK_STATUS (status, "cairo_translate(∞, 0)");
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cairo_destroy (cr2);
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#endif
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cr2 = cairo_create (target);
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cairo_scale (cr2, bogus.xx, bogus.yy);
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@ -235,6 +332,23 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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CHECK_STATUS (status, "cairo_scale(NaN, 1)");
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cairo_destroy (cr2);
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#if HAVE_INFINITY
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cr2 = cairo_create (target);
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cairo_scale (cr2, inf.xx, inf.yy);
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CHECK_STATUS (status, "cairo_scale(∞, ∞)");
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cairo_destroy (cr2);
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cr2 = cairo_create (target);
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cairo_scale (cr2, 1, inf.yy);
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CHECK_STATUS (status, "cairo_scale(1, ∞)");
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cairo_destroy (cr2);
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cr2 = cairo_create (target);
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cairo_scale (cr2, inf.xx, 1);
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CHECK_STATUS (status, "cairo_scale(∞, 1)");
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cairo_destroy (cr2);
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#endif
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cr2 = cairo_create (target);
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cairo_scale (cr2, bogus.xx, bogus.yy);
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CHECK_STATUS (status, "cairo_scale(0, 0)");
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@ -256,6 +370,13 @@ if ((status) == CAIRO_STATUS_SUCCESS) { \
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CHECK_STATUS (status, "cairo_rotate(NaN)");
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cairo_destroy (cr2);
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#if HAVE_INFINITY
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cr2 = cairo_create (target);
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cairo_rotate (cr2, inf.xx);
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CHECK_STATUS (status, "cairo_rotate(∞)");
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cairo_destroy (cr2);
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#endif
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return CAIRO_TEST_SUCCESS;
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}
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