1 | /* Test support_record_failure state sharing. |
2 | Copyright (C) 2016-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <support/check.h> |
20 | #include <support/support.h> |
21 | #include <support/test-driver.h> |
22 | #include <support/xunistd.h> |
23 | |
24 | #include <getopt.h> |
25 | #include <stdbool.h> |
26 | #include <stdlib.h> |
27 | #include <stdio.h> |
28 | #include <string.h> |
29 | |
30 | static int exit_status_with_failure = -1; |
31 | static bool test_verify; |
32 | static bool test_verify_exit; |
33 | enum |
34 | { |
35 | OPT_STATUS = 10001, |
36 | OPT_TEST_VERIFY, |
37 | OPT_TEST_VERIFY_EXIT, |
38 | }; |
39 | #define CMDLINE_OPTIONS \ |
40 | { "status", required_argument, NULL, OPT_STATUS }, \ |
41 | { "test-verify", no_argument, NULL, OPT_TEST_VERIFY }, \ |
42 | { "test-verify-exit", no_argument, NULL, OPT_TEST_VERIFY_EXIT }, |
43 | static void |
44 | cmdline_process (int c) |
45 | { |
46 | switch (c) |
47 | { |
48 | case OPT_STATUS: |
49 | exit_status_with_failure = atoi (nptr: optarg); |
50 | break; |
51 | case OPT_TEST_VERIFY: |
52 | test_verify = true; |
53 | break; |
54 | case OPT_TEST_VERIFY_EXIT: |
55 | test_verify_exit = true; |
56 | break; |
57 | } |
58 | } |
59 | #define CMDLINE_PROCESS cmdline_process |
60 | |
61 | static void |
62 | check_failure_reporting (int phase, int zero, int unsupported) |
63 | { |
64 | int status = support_report_failure (status: 0); |
65 | if (status != zero) |
66 | { |
67 | printf (format: "real-error (phase %d): support_report_failure (0) == %d\n" , |
68 | phase, status); |
69 | exit (status: 1); |
70 | } |
71 | status = support_report_failure (status: 1); |
72 | if (status != 1) |
73 | { |
74 | printf (format: "real-error (phase %d): support_report_failure (1) == %d\n" , |
75 | phase, status); |
76 | exit (status: 1); |
77 | } |
78 | status = support_report_failure (status: 2); |
79 | if (status != 2) |
80 | { |
81 | printf (format: "real-error (phase %d): support_report_failure (2) == %d\n" , |
82 | phase, status); |
83 | exit (status: 1); |
84 | } |
85 | status = support_report_failure (status: EXIT_UNSUPPORTED); |
86 | if (status != unsupported) |
87 | { |
88 | printf (format: "real-error (phase %d): " |
89 | "support_report_failure (EXIT_UNSUPPORTED) == %d\n" , |
90 | phase, status); |
91 | exit (status: 1); |
92 | } |
93 | } |
94 | |
95 | static int |
96 | do_test (void) |
97 | { |
98 | if (exit_status_with_failure >= 0) |
99 | { |
100 | /* External invocation with requested error status. Used by |
101 | tst-support_report_failure-2.sh. */ |
102 | support_record_failure (); |
103 | return exit_status_with_failure; |
104 | } |
105 | TEST_VERIFY (true); |
106 | TEST_VERIFY_EXIT (true); |
107 | if (test_verify) |
108 | { |
109 | TEST_VERIFY (false); |
110 | if (test_verbose) |
111 | printf (format: "info: execution passed failed TEST_VERIFY\n" ); |
112 | return 2; /* Expected exit status. */ |
113 | } |
114 | if (test_verify_exit) |
115 | { |
116 | TEST_VERIFY_EXIT (false); |
117 | return 3; /* Not reached. Expected exit status is 1. */ |
118 | } |
119 | |
120 | printf (format: "info: This test tests the test framework.\n" |
121 | "info: It reports some expected errors on stdout.\n" ); |
122 | |
123 | /* Check that the status is passed through unchanged. */ |
124 | check_failure_reporting (phase: 1, zero: 0, unsupported: EXIT_UNSUPPORTED); |
125 | |
126 | /* Check state propagation from a subprocess. */ |
127 | pid_t pid = xfork (); |
128 | if (pid == 0) |
129 | { |
130 | support_record_failure (); |
131 | _exit (status: 0); |
132 | } |
133 | int status; |
134 | xwaitpid (pid, status: &status, flags: 0); |
135 | if (status != 0) |
136 | { |
137 | printf (format: "real-error: incorrect status from subprocess: %d\n" , status); |
138 | return 1; |
139 | } |
140 | check_failure_reporting (phase: 2, zero: 1, unsupported: 1); |
141 | |
142 | /* Also test directly in the parent process. */ |
143 | support_record_failure_reset (); |
144 | check_failure_reporting (phase: 3, zero: 0, unsupported: EXIT_UNSUPPORTED); |
145 | support_record_failure (); |
146 | check_failure_reporting (phase: 4, zero: 1, unsupported: 1); |
147 | |
148 | /* We need to mask the failure above. */ |
149 | support_record_failure_reset (); |
150 | return 0; |
151 | } |
152 | |
153 | #include <support/test-driver.c> |
154 | |