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e90073f7dd
Avoid calling libtool to link every single test case, by building just one binary from all the sources. This binary is then given the task of choosing tests to run (based on user selection and individual test requirement), forking each test into its own process and accumulating the results.
127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
/*
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* Copyright © 2004 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Red Hat, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Red Hat, Inc. makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Carl D. Worth <cworth@cworth.org>
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*/
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/* Bug history
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*
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* 2004-10-27 Carl Worth <cworth@cworth.org>
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*
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* There's currently a regression bug in the tessellation code. This
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* causes each of these simple star shapes to be filled incorrectly.
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*
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* It looks like right now we can get this test to pass by doing:
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*
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* cvs update -r 1.16 src/cairo_traps.c
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*
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* But we don't want to revert that change permanently since it
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* really does correct some bugs. It must be that the old version of
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* the code is masking some other bugs in the tessellation code. My
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* current plan is to back this revision up for the next snapshot,
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* but not to list the test as an expected failure since I'm
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* planning on doing the new tessellator which should fix this
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* problem.
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*
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* 2005-01-11 Carl Worth <cworth@cworth.org>
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*
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* Keith committed some fixes that fix the original size-20
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* star_path:
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*
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* * src/cairo_wideint.c: (_cairo_int32x32_64_mul),
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* (_cairo_int64x64_128_mul):
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* * src/cairo_wideint.h:
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* int32x32_64_mul and int64x64_128_mul are different from their
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* unsigned compatriots
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*
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* 2005-01-12 Carl Worth <cworth@cworth.org>
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*
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* Going back to the SVG test suite, however, the original star
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* shape is still broken. Adding both shapes now as little_star_path
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* and big_star_path.
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*
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*/
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#include "cairo-test.h"
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#define LITTLE_STAR_SIZE 20
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#define BIG_STAR_SIZE 80
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/* The SVG start trimmed down, but still showing the bug (originally) */
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static void
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little_star_path (cairo_t *cr)
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{
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cairo_move_to (cr, 10, 0);
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cairo_rel_line_to (cr, 6, 20);
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cairo_rel_line_to (cr, -16, -12);
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cairo_rel_line_to (cr, 20, 0);
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cairo_rel_line_to (cr, -16, 12);
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}
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/* The star shape from the SVG test suite. This was is still buggy even after
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we got little_star_path working. */
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static void
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big_star_path (cairo_t *cr)
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{
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cairo_move_to (cr, 40, 0);
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cairo_rel_line_to (cr, 25, 80);
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cairo_rel_line_to (cr, -65, -50);
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cairo_rel_line_to (cr, 80, 0);
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cairo_rel_line_to (cr, -65, 50);
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cairo_close_path (cr);
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}
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/* Fill the same path twice, once with each fill rule */
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static cairo_test_status_t
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draw (cairo_t *cr, int width, int height)
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{
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cairo_set_source_rgb (cr, 1, 0, 0);
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cairo_translate (cr, 1, 1);
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little_star_path (cr);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
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cairo_fill (cr);
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cairo_translate (cr, LITTLE_STAR_SIZE + 1, 0);
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little_star_path (cr);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
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cairo_fill (cr);
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cairo_translate (cr, -(LITTLE_STAR_SIZE + 1), LITTLE_STAR_SIZE + 1);
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big_star_path (cr);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
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cairo_fill (cr);
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cairo_translate (cr, BIG_STAR_SIZE + 1, 0);
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big_star_path (cr);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
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cairo_fill (cr);
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return CAIRO_TEST_SUCCESS;
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}
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CAIRO_TEST (fill_rule,
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"Tests cairo_set_fill_rule with some star shapes",
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"fill, path", /* keywords */
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NULL, /* requirements */
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BIG_STAR_SIZE * 2 + 3, BIG_STAR_SIZE + LITTLE_STAR_SIZE + 3,
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NULL, draw)
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