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[test/get-path-extents] Check extents of degenerate paths.

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Ensure that degenerate paths have zero extents.
This commit is contained in:
Chris Wilson 2008-01-17 10:09:22 +00:00
parent 3f202c081d
commit dd13a00541
1 changed files with 35 additions and 0 deletions
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35
test/get-path-extents.c
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@ -121,6 +121,41 @@ draw (cairo_t *cr, int width, int height)
!check_extents (phase, cr2, STROKE, EQUALS, 0, 0, 0, 0))
ret = CAIRO_TEST_FAILURE;
cairo_save (cr2);
cairo_new_path (cr2);
cairo_move_to (cr2, 200, 400);
cairo_rel_line_to (cr2, 0., 0.);
phase = "Degenerate line";
if (!check_extents (phase, cr2, FILL, EQUALS, 0, 0, 0, 0) ||
!check_extents (phase, cr2, STROKE, EQUALS, 0, 0, 0, 0))
ret = CAIRO_TEST_FAILURE;
cairo_new_path (cr2);
cairo_move_to (cr2, 200, 400);
cairo_rel_curve_to (cr2, 0., 0., 0., 0., 0., 0.);
phase = "Degenerate curve";
if (!check_extents (phase, cr2, FILL, EQUALS, 0, 0, 0, 0) ||
!check_extents (phase, cr2, STROKE, EQUALS, 0, 0, 0, 0))
ret = CAIRO_TEST_FAILURE;
cairo_new_path (cr2);
cairo_arc (cr2, 200, 400, 0., 0, 2 * M_PI);
phase = "Degenerate arc (R=0)";
if (!check_extents (phase, cr2, FILL, EQUALS, 0, 0, 0, 0) ||
!check_extents (phase, cr2, STROKE, EQUALS, 0, 0, 0, 0))
ret = CAIRO_TEST_FAILURE;
cairo_new_path (cr2);
cairo_arc (cr2, 200, 400, 10., 0, 0);
phase = "Degenerate arc (Θ=0)";
if (!check_extents (phase, cr2, FILL, EQUALS, 0, 0, 0, 0) ||
!check_extents (phase, cr2, STROKE, EQUALS, 0, 0, 0, 0))
ret = CAIRO_TEST_FAILURE;
cairo_new_path (cr2);
cairo_restore (cr2);
/* http://bugs.freedesktop.org/show_bug.cgi?id=7965 */
phase = "A vertical, open path";
cairo_save (cr2);