diff options
Diffstat (limited to 'libmisc/tests/test_assert.c')
| -rw-r--r-- | libmisc/tests/test_assert.c | 103 |
1 files changed, 71 insertions, 32 deletions
diff --git a/libmisc/tests/test_assert.c b/libmisc/tests/test_assert.c index 949b4f9..84b4d36 100644 --- a/libmisc/tests/test_assert.c +++ b/libmisc/tests/test_assert.c @@ -1,48 +1,76 @@ /* libmisc/tests/test_assert.c - Tests for <libmisc/assert.h> * - * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com> + * Copyright (C) 2024-2025 Luke T. Shumaker <lukeshu@lukeshu.com> * SPDX-License-Identifier: AGPL-3.0-or-later */ -#include <stdbool.h> +#include <setjmp.h> +#include <stdlib.h> +#include <string.h> +#include <libmisc/_intercept.h> #include <libmisc/assert.h> +#include <libmisc/fmt.h> +#include <libmisc/macro.h> #include "test.h" -/* Intercept failures *********************************************************/ - -bool global_failed = false; -bool global_unreachable = false; - -void __assert_msg_fail(const char *expr, - const char *file, unsigned int line, const char *func, - const char *msg) { - static bool in_fail = false; - if (!in_fail) { - in_fail = true; - printf("error: %s:%u:%s(): assertion \"%s\" failed%s%s\n", - file, line, func, - expr, - msg ? ": " : "", msg); - } +/* Intercept failures and logging *********************************************/ + +static bool global_failed; +static struct fmt_buf global_log; +static jmp_buf global_env; + +#define with_intercept() ({ \ + global_failed = false; \ + global_log_clear(); \ + setjmp(global_env) == 0; \ + }) + +void __lm_abort(void) { global_failed = true; + longjmp(global_env, 1); } -#define __builtin_unreachable() do { global_unreachable = true; } while (0) +void __lm_putchar(unsigned char c) { + if (global_log.len+1 >= global_log.cap) { + global_log.cap += 16; + global_log.dat = realloc(global_log.dat, global_log.cap); + memset(global_log.dat + global_log.len, 0, global_log.cap - global_log.len); + } + ((uint8_t *)global_log.dat)[global_log.len++] = (uint8_t)c; +} + +static void global_log_clear(void) { + if (global_log.dat) + memset(global_log.dat, 0, global_log.cap); + global_log.len = 0; +} + +#define __builtin_unreachable() test_assert(0) /* Utilities ******************************************************************/ -#define test_should_succeed(test) do { \ - global_failed = false; \ - test; \ - test_assert(global_failed == false); \ +#define test_should_succeed(test) do { \ + if (with_intercept()) { \ + test; \ + } \ + test_assert(global_failed == false); \ + test_assert(global_log.len == 0); \ } while (0) -#define test_should_fail(test) do { \ - global_failed = false; \ - test; \ - test_assert(global_failed == true); \ +#define test_should_fail(test, exp_log) do { \ + if (with_intercept()) { \ + test; \ + } \ + test_assert(global_failed == true); \ + if (!(global_log.len != 0 && \ + strcmp(global_log.dat, exp_log) == 0)) { \ + printf("exp = \"%s\"\n" \ + "act = \"%s\"\n", \ + exp_log, (char *)global_log.dat); \ + test_assert(0); \ + } \ } while (0) /* Actual tests ***************************************************************/ @@ -50,16 +78,27 @@ void __assert_msg_fail(const char *expr, static_assert(sizeof(char) == 1); int main() { + unsigned char x = 4; + static_assert(0 <= x); + static_assert(x < 256); + +#ifndef NDEBUG test_should_succeed(assert(true)); - test_should_fail(assert(false)); + test_should_fail(assert(false), "error: ASSERT: "__FILE__":"LM_STR_(__LINE__)":main(): assertion \"false\" failed\n"); test_should_succeed(assert_msg(true, "foo")); - test_should_fail(assert_msg(false, "foo")); + test_should_fail(assert_msg(false, "foo"), "error: ASSERT: "__FILE__":"LM_STR_(__LINE__)":main(): assertion \"false\" failed: foo\n"); test_should_succeed(assert_msg(true, NULL)); - test_should_fail(assert_msg(false, NULL)); + test_should_fail(assert_msg(false, NULL), "error: ASSERT: "__FILE__":"LM_STR_(__LINE__)":main(): assertion \"false\" failed\n"); - test_should_fail(assert_notreached("")); - test_assert(global_unreachable == true); + test_should_fail(assert_notreached("xxx"), "error: ASSERT: "__FILE__":"LM_STR_(__LINE__)":main(): assertion \"notreached\" failed: xxx\n"); +#endif + if (global_log.dat) { + global_log_clear(); + free(global_log.dat); + global_log.dat = NULL; + global_log.cap = 0; + } return 0; } |