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https://gitlab.freedesktop.org/cairo/cairo.git
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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.
283 lines
10 KiB
C
283 lines
10 KiB
C
/*
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* Copyright © 2006 Novell, 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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* Novell, 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. Novell, 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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* NOVELL, 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: Robert O'Callahan <rocallahan@novell.com>
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*/
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#include "cairo-test.h"
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#include <stddef.h>
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static cairo_bool_t
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check_count (const cairo_test_context_t *ctx,
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const char *message, cairo_bool_t uses_clip_rects,
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cairo_rectangle_list_t *list, int expected)
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{
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if (!uses_clip_rects) {
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if (expected == 0 && list->num_rectangles == 0)
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return 1;
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if (list->num_rectangles == expected)
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return 1;
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if (list->status == CAIRO_STATUS_CLIP_NOT_REPRESENTABLE)
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return 1;
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cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list unexpectedly got %d rectangles\n",
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message, list->num_rectangles);
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return 0;
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}
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if (list->status != CAIRO_STATUS_SUCCESS) {
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cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list failed with \"%s\"\n",
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message, cairo_status_to_string(list->status));
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return 0;
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}
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if (list->num_rectangles == expected)
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return 1;
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cairo_test_log (ctx, "Error: %s; expected %d rectangles, got %d\n", message,
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expected, list->num_rectangles);
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return 0;
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}
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static cairo_bool_t
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check_unrepresentable (const cairo_test_context_t *ctx, const char *message, cairo_rectangle_list_t *list)
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{
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if (list->status != CAIRO_STATUS_CLIP_NOT_REPRESENTABLE) {
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cairo_test_log (ctx, "Error: %s; cairo_copy_clip_rectangle_list got unexpected result \"%s\"\n"
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" (we expected CAIRO_STATUS_CLIP_NOT_REPRESENTABLE)",
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message, cairo_status_to_string(list->status));
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return 0;
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}
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return 1;
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}
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static cairo_bool_t
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check_rectangles_contain (const cairo_test_context_t *ctx,
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const char *message, cairo_bool_t uses_clip_rects,
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cairo_rectangle_list_t *list,
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double x, double y, double width, double height)
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{
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int i;
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if (!uses_clip_rects)
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return 1;
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for (i = 0; i < list->num_rectangles; ++i) {
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if (list->rectangles[i].x == x && list->rectangles[i].y == y &&
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list->rectangles[i].width == width && list->rectangles[i].height == height)
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return 1;
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}
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cairo_test_log (ctx, "Error: %s; rectangle list does not contain rectangle %f,%f,%f,%f\n",
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message, x, y, width, height);
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return 0;
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}
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static cairo_bool_t
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check_clip_extents (const cairo_test_context_t *ctx,
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const char *message, cairo_t *cr,
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double x, double y, double width, double height)
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{
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double ext_x1, ext_y1, ext_x2, ext_y2;
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cairo_clip_extents (cr, &ext_x1, &ext_y1, &ext_x2, &ext_y2);
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if (ext_x1 == x && ext_y1 == y && ext_x2 == x + width && ext_y2 == y + height)
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return 1;
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cairo_test_log (ctx, "Error: %s; clip extents %f,%f,%f,%f should be %f,%f,%f,%f\n",
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message, ext_x1, ext_y1, ext_x2 - ext_x1, ext_y2 - ext_y1,
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x, y, width, height);
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return 0;
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}
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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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const cairo_test_context_t *ctx = cairo_test_get_context (cr);
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cairo_surface_t *surface;
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cairo_t *cr2;
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cairo_rectangle_list_t *rectangle_list;
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const char *phase;
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cairo_bool_t uses_clip_rects;
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cairo_status_t status;
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surface = cairo_surface_create_similar (cairo_get_group_target (cr),
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CAIRO_CONTENT_COLOR, 100, 100);
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/* Check the surface type so we ignore cairo_copy_clip_rectangle_list failures
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* on surface types that don't use rectangle lists for clipping.
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* Default to FALSE for the internal surface types, (meta, test-fallback, etc.)
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*/
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switch (cairo_surface_get_type (surface)) {
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case CAIRO_SURFACE_TYPE_IMAGE:
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case CAIRO_SURFACE_TYPE_XLIB:
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case CAIRO_SURFACE_TYPE_XCB:
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case CAIRO_SURFACE_TYPE_GLITZ:
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case CAIRO_SURFACE_TYPE_WIN32:
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case CAIRO_SURFACE_TYPE_BEOS:
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case CAIRO_SURFACE_TYPE_DIRECTFB:
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case CAIRO_SURFACE_TYPE_SDL:
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uses_clip_rects = TRUE;
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break;
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case CAIRO_SURFACE_TYPE_QUARTZ:
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case CAIRO_SURFACE_TYPE_PDF:
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case CAIRO_SURFACE_TYPE_PS:
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case CAIRO_SURFACE_TYPE_SVG:
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case CAIRO_SURFACE_TYPE_OS2:
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default:
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uses_clip_rects = FALSE;
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break;
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}
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/* don't use cr accidentally */
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cr = NULL;
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cr2 = cairo_create (surface);
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cairo_surface_destroy (surface);
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/* first, test basic stuff. This should not be clipped, it should
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return the surface rectangle. */
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phase = "No clip set";
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rectangle_list = cairo_copy_clip_rectangle_list (cr2);
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if (! check_count (ctx, phase, uses_clip_rects, rectangle_list, 1) ||
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! check_clip_extents (ctx, phase, cr2, 0, 0, 100, 100) ||
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! check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 0, 0, 100, 100))
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{
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goto FAIL;
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}
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cairo_rectangle_list_destroy (rectangle_list);
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/* Test simple clip rect. */
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phase = "Simple clip rect";
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cairo_save (cr2);
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cairo_rectangle (cr2, 10, 10, 80, 80);
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cairo_clip (cr2);
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rectangle_list = cairo_copy_clip_rectangle_list (cr2);
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if (! check_count (ctx, phase, uses_clip_rects, rectangle_list, 1) ||
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! check_clip_extents (ctx, phase, cr2, 10, 10, 80, 80) ||
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! check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 10, 10, 80, 80))
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{
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goto FAIL;
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}
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cairo_rectangle_list_destroy (rectangle_list);
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cairo_restore (cr2);
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/* Test everything clipped out. */
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phase = "All clipped out";
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cairo_save (cr2);
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cairo_clip (cr2);
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rectangle_list = cairo_copy_clip_rectangle_list (cr2);
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if (! check_count (ctx, phase, uses_clip_rects, rectangle_list, 0))
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{
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goto FAIL;
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}
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cairo_rectangle_list_destroy (rectangle_list);
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cairo_restore (cr2);
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/* test two clip rects */
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phase = "Two clip rects";
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cairo_save (cr2);
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cairo_rectangle (cr2, 10, 10, 10, 10);
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cairo_rectangle (cr2, 20, 20, 10, 10);
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cairo_clip (cr2);
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cairo_rectangle (cr2, 15, 15, 10, 10);
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cairo_clip (cr2);
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rectangle_list = cairo_copy_clip_rectangle_list (cr2);
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if (! check_count (ctx, phase, uses_clip_rects, rectangle_list, 2) ||
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! check_clip_extents (ctx, phase, cr2, 15, 15, 10, 10) ||
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! check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 15, 15, 5, 5) ||
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! check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 20, 20, 5, 5))
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{
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goto FAIL;
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}
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cairo_rectangle_list_destroy (rectangle_list);
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cairo_restore (cr2);
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/* test non-rectangular clip */
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phase = "Nonrectangular clip";
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cairo_save (cr2);
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cairo_move_to (cr2, 0, 0);
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cairo_line_to (cr2, 100, 100);
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cairo_line_to (cr2, 100, 0);
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cairo_close_path (cr2);
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cairo_clip (cr2);
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rectangle_list = cairo_copy_clip_rectangle_list (cr2);
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/* can't get this in one tight user-space rectangle */
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if (! check_unrepresentable (ctx, phase, rectangle_list) ||
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! check_clip_extents (ctx, phase, cr2, 0, 0, 100, 100))
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{
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goto FAIL;
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}
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cairo_rectangle_list_destroy (rectangle_list);
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cairo_restore (cr2);
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phase = "User space, simple scale, getting clip with same transform";
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cairo_save (cr2);
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cairo_scale (cr2, 2, 2);
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cairo_rectangle (cr2, 5, 5, 40, 40);
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cairo_clip (cr2);
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rectangle_list = cairo_copy_clip_rectangle_list (cr2);
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if (! check_count (ctx, phase, uses_clip_rects, rectangle_list, 1) ||
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! check_clip_extents (ctx, phase, cr2, 5, 5, 40, 40) ||
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! check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 5, 5, 40, 40))
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{
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goto FAIL;
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}
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cairo_rectangle_list_destroy (rectangle_list);
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cairo_restore (cr2);
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phase = "User space, simple scale, getting clip with no transform";
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cairo_save (cr2);
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cairo_save (cr2);
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cairo_scale (cr2, 2, 2);
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cairo_rectangle (cr2, 5, 5, 40, 40);
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cairo_restore (cr2);
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cairo_clip (cr2);
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rectangle_list = cairo_copy_clip_rectangle_list (cr2);
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if (! check_count (ctx, phase, uses_clip_rects, rectangle_list, 1) ||
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! check_clip_extents (ctx, phase, cr2, 10, 10, 80, 80) ||
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! check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 10, 10, 80, 80))
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{
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goto FAIL;
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}
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cairo_rectangle_list_destroy (rectangle_list);
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cairo_restore (cr2);
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phase = "User space, rotation, getting clip with no transform";
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cairo_save (cr2);
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cairo_save (cr2);
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cairo_rotate (cr2, 12);
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cairo_rectangle (cr2, 5, 5, 40, 40);
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cairo_restore (cr2);
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cairo_clip (cr2);
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rectangle_list = cairo_copy_clip_rectangle_list (cr2);
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if (! check_unrepresentable (ctx, phase, rectangle_list))
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goto FAIL;
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FAIL:
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cairo_rectangle_list_destroy (rectangle_list);
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status = cairo_status (cr2);
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cairo_destroy (cr2);
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return cairo_test_status_from_status (ctx, status);
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}
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CAIRO_TEST (get_clip,
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"Test cairo_copy_clip_rectangle_list and cairo_clip_extents",
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"clip, extents", /* keywords */
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NULL, /* requirements */
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0, 0,
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NULL, draw)
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