1/*
2 * Copyright (c) 2023, Oracle and/or its affiliates.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24#include "config.h"
25
26#include "../src/rgb.c"
27#include <glib.h>
28
29/*
30 * xpmReadRgbNames - reads a rgb text file
31 */
32
33struct rgbData {
34    int r, g, b;
35    const char *name;
36};
37
38/* Changes here must match those in rgb.txt file */
39static const struct rgbData testdata[] = {
40    { 255, 255, 255, "white" },
41    {   0,   0,   0, "black" },
42    { 255,   0,   0, "red" },
43    {   0, 255,   0, "green" },
44    {   0,   0, 255, "blue" },
45    {   0,  50,  98, "berkeleyblue" }, /* names get lowercased */
46    { 253, 181,  21, "californiagold" }
47};
48#define NUM_RGB (sizeof(testdata) / sizeof(testdata[0]))
49
50static void
51test_xpmReadRgbNames(void)
52{
53    const gchar *filename;
54    xpmRgbName rgbn[MAX_RGBNAMES];
55    int rgbn_max;
56
57    /* Verify NULL is returned if file can't be read */
58    rgbn_max = xpmReadRgbNames("non-existent-file.txt", rgbn);
59    g_assert_cmpint(rgbn_max, ==, 0);
60
61    /* Verify our test file is read properly & contains expected data */
62    filename = g_test_get_filename(G_TEST_DIST, "rgb.txt", NULL);
63    rgbn_max = xpmReadRgbNames(filename, rgbn);
64    g_assert_cmpint(rgbn_max, ==, NUM_RGB);
65
66    for (unsigned int i = 0; i < NUM_RGB; i++) {
67        int r = testdata[i].r * 257;
68        int g = testdata[i].g * 257;
69        int b = testdata[i].b * 257;
70        char *name = xpmGetRgbName(rgbn, rgbn_max, r, g, b);
71
72        g_assert_cmpstr(name, ==, testdata[i].name);
73    }
74
75    g_assert_null(xpmGetRgbName(rgbn, rgbn_max, 11, 11, 11));
76
77    xpmFreeRgbNames(rgbn, rgbn_max);
78}
79
80
81int
82main(int argc, char** argv)
83{
84    g_test_init(&argc, &argv, NULL);
85    g_test_bug_base(PACKAGE_BUGREPORT);
86
87    g_test_add_func("/rgb/xpmReadRgbNames",
88                    test_xpmReadRgbNames);
89
90    return g_test_run();
91}
92