3 * Copyright 2013 Google Inc.
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11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * * Neither the name of Google Inc. nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
34 * This plain test program mimics the structure and contents of its
35 * ATF-based counterpart. It attempts to represent various test cases
36 * in different separate functions and just calls them all from main().
38 * In reality, plain test programs can be much simpler. All they have
39 * to do is return 0 on success and non-0 otherwise.
49 static int test_num = 1;
54 fail(const char *fmt, ...)
62 if (vasprintf(&msg, fmt, ap) == -1)
65 printf("not ok %d - %s\n", test_num, msg);
75 printf("ok %d\n", test_num);
84 for (i = 0; i < skip_num; i++) {
85 printf("not ok %d # SKIP\n", test_num);
91 snprintf__two_formatters(void)
95 if (snprintf(buffer, sizeof(buffer), "%s, %s!", "Hello",
97 fail("snprintf with two formatters failed");
101 if (strcmp(buffer, "Hello, tests!") != 0)
102 fail("Bad formatting: got %s", buffer);
109 snprintf__overflow(void)
113 if (snprintf(buffer, sizeof(buffer), "0123456789abcdef") != 16) {
114 fail("snprintf did not return the expected "
115 "number of characters");
121 if (strcmp(buffer, "012345678") != 0)
122 fail("Bad formatting: got %s", buffer);
128 fprintf__simple_string(void)
133 const char *contents = "This is a message\n";
135 file = fopen("test.txt", "w+");
136 if (fprintf(file, "%s", contents) <= 0) {
137 fail("fprintf failed to write to file");
143 length = fread(buffer, 1, sizeof(buffer) - 1, file);
144 if (length != strlen(contents)) {
145 fail("fread failed");
150 buffer[length] = '\0';
153 if (strcmp(buffer, contents) != 0)
154 fail("Written and read data differ");
158 /* Of special note here is that we are NOT deleting the temporary
159 * files we created in this test. Kyua takes care of this cleanup
160 * automatically and tests can (and should) rely on this behavior. */
166 /* If you have read the printf_test.c counterpart in the atf/
167 * directory, you may think that the sequencing of tests below and
168 * the exposed behavior to the user is very similar. But you'd be
171 * There are two major differences with this and the ATF version.
172 * The first is that the code below has no provisions to detect
173 * failures in one test and continue running the other tests: the
174 * first failure causes the whole test program to exit. The second
175 * is that this particular main() has no arguments: without ATF,
176 * all test programs may expose a different command-line interface,
177 * and this is an issue for consistency purposes. */
178 printf("1..%d\n", TEST_COUNT);
180 snprintf__two_formatters();
181 snprintf__overflow();
182 fprintf__simple_string();