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[test] Expand in-fill-trapezoid

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Test vertices and edges of a rectangle to probe 'corner-cases', using the
insideness conditions from flash.
This commit is contained in:
Chris Wilson 2008-11-11 10:22:17 +00:00
parent cebc84f367
commit 9afad53730
1 changed files with 34 additions and 0 deletions
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34
test/in-fill-trapezoid.c
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@ -42,6 +42,40 @@ draw (cairo_t *cr, int width, int height)
ret = CAIRO_TEST_FAILURE;
}
/* rectangular boundary tests */
if (cairo_in_fill (cr, -10, -10)) {
cairo_test_log (ctx, "Error: Found top-left vertex inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
if (cairo_in_fill (cr, -10, 10)) {
cairo_test_log (ctx, "Error: Found bottom-left vertex inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
if (! cairo_in_fill (cr, 10, -10)) {
cairo_test_log (ctx, "Error: Failed to find top-right vertex inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
if (cairo_in_fill (cr, 10, 10)) {
cairo_test_log (ctx, "Error: Found bottom-right vertex inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
if (cairo_in_fill (cr, -10, 0)) {
cairo_test_log (ctx, "Error: Found left edge inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
if (! cairo_in_fill (cr, 0, -10)) {
cairo_test_log (ctx, "Error: Failed to find top edge inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
if (! cairo_in_fill (cr, 10, 0)) {
cairo_test_log (ctx, "Error: Failed to find right edge inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
if (cairo_in_fill (cr, 0, 10)) {
cairo_test_log (ctx, "Error: Found bottom edge inside rectangle\n");
ret = CAIRO_TEST_FAILURE;
}
/* simple circle */
cairo_new_path (cr);
cairo_arc (cr, 0, 0, 10, 0, 2 * M_PI);