1
/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
2
/*
3
 * Copyright 2011 Andrea Canciani
4
 *
5
 * Permission is hereby granted, free of charge, to any person
6
 * obtaining a copy of this software and associated documentation
7
 * files (the "Software"), to deal in the Software without
8
 * restriction, including without limitation the rights to use, copy,
9
 * modify, merge, publish, distribute, sublicense, and/or sell copies
10
 * of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
12
 *
13
 * The above copyright notice and this permission notice shall be
14
 * included in all copies or substantial portions of the Software.
15
 *
16
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23
 * SOFTWARE.
24
 *
25
 * Author: Andrea Canciani <ranma42@gmail.com>
26
 */
27

            
28
#include "cairo-test.h"
29

            
30
#define CHECK_STATUS(status)						\
31
    do {								\
32
	if (cairo_status (cr) != (status)) {				\
33
	    cairo_test_log (ctx, "Expected status: %s\n",		\
34
			    cairo_status_to_string (status));		\
35
	    cairo_test_log (ctx, "Actual status: %s\n",			\
36
			    cairo_status_to_string (cairo_status (cr))); \
37
	    result = CAIRO_TEST_FAILURE;				\
38
	}								\
39
    } while (0)
40

            
41
static void
42
2
reinit_cairo (cairo_t **cr)
43
{
44
2
    if (*cr)
45
1
	cairo_destroy (*cr);
46

            
47
2
    *cr = cairo_create (cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1));
48
2
    cairo_surface_destroy (cairo_get_target (*cr));
49
2
}
50

            
51
static cairo_test_status_t
52
1
preamble (cairo_test_context_t *ctx)
53
{
54
    cairo_t *cr;
55
1
    cairo_test_status_t result = CAIRO_TEST_SUCCESS;
56

            
57
1
    cr = NULL;
58

            
59
1
    reinit_cairo (&cr);
60

            
61
    /* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if
62
     * no matching cairo_save() call has been performed. */
63
1
    cairo_test_log (ctx, "Checking save(); push(); restore();\n");
64
1
    cairo_save (cr);
65
1
    CHECK_STATUS (CAIRO_STATUS_SUCCESS);
66
1
    cairo_push_group (cr);
67
1
    CHECK_STATUS (CAIRO_STATUS_SUCCESS);
68
1
    cairo_restore (cr);
69
1
    CHECK_STATUS (CAIRO_STATUS_INVALID_RESTORE);
70

            
71

            
72
1
    reinit_cairo (&cr);
73

            
74
    /* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if
75
     * no matching cairo_save() call has been performed. */
76
1
    cairo_test_log (ctx, "Checking push(); save(); pop();\n");
77
1
    cairo_push_group (cr);
78
1
    CHECK_STATUS (CAIRO_STATUS_SUCCESS);
79
1
    cairo_save (cr);
80
1
    CHECK_STATUS (CAIRO_STATUS_SUCCESS);
81
1
    cairo_pop_group_to_source (cr);
82
1
    CHECK_STATUS (CAIRO_STATUS_INVALID_POP_GROUP);
83

            
84

            
85
1
    cairo_destroy (cr);
86

            
87
1
    return result;
88
}
89

            
90
1
CAIRO_TEST (group_state,
91
	    "Tests the interaction between state (cairo_save, cairo_restore) "
92
	    "and group (cairo_push_group/cairo_pop_group) API",
93
	    "api", /* keywords */
94
	    NULL, /* requirements */
95
	    0, 0,
96
	    preamble, NULL)