1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
/*
* Copyright 2011 Andrea Canciani
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Author: Andrea Canciani <ranma42@gmail.com>
*/
#include "cairo-test.h"
#define CHECK_STATUS(status) \
do { \
if (cairo_status (cr) != (status)) { \
cairo_test_log (ctx, "Expected status: %s\n", \
cairo_status_to_string (status)); \
cairo_test_log (ctx, "Actual status: %s\n", \
cairo_status_to_string (cairo_status (cr))); \
result = CAIRO_TEST_FAILURE; \
} \
} while (0)
static void
reinit_cairo (cairo_t **cr)
{
if (*cr)
cairo_destroy (*cr);
*cr = cairo_create (cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1));
cairo_surface_destroy (cairo_get_target (*cr));
}
static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
cairo_t *cr;
cairo_test_status_t result = CAIRO_TEST_SUCCESS;
cr = NULL;
reinit_cairo (&cr);
/* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if
* no matching cairo_save() call has been performed. */
cairo_test_log (ctx, "Checking save(); push(); restore();\n");
cairo_save (cr);
CHECK_STATUS (CAIRO_STATUS_SUCCESS);
cairo_push_group (cr);
CHECK_STATUS (CAIRO_STATUS_SUCCESS);
cairo_restore (cr);
CHECK_STATUS (CAIRO_STATUS_INVALID_RESTORE);
reinit_cairo (&cr);
/* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if
* no matching cairo_save() call has been performed. */
cairo_test_log (ctx, "Checking push(); save(); pop();\n");
cairo_push_group (cr);
CHECK_STATUS (CAIRO_STATUS_SUCCESS);
cairo_save (cr);
CHECK_STATUS (CAIRO_STATUS_SUCCESS);
cairo_pop_group_to_source (cr);
CHECK_STATUS (CAIRO_STATUS_INVALID_POP_GROUP);
cairo_destroy (cr);
return result;
}
CAIRO_TEST (group_state,
"Tests the interaction between state (cairo_save, cairo_restore) "
"and group (cairo_push_group/cairo_pop_group) API",
"api", /* keywords */
NULL, /* requirements */
0, 0,
preamble, NULL)
|
