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Diffstat (limited to 'deps/jemalloc/test/src/test.c')
| -rw-r--r-- | deps/jemalloc/test/src/test.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/deps/jemalloc/test/src/test.c b/deps/jemalloc/test/src/test.c new file mode 100644 index 0000000..f97ce4d --- /dev/null +++ b/deps/jemalloc/test/src/test.c @@ -0,0 +1,234 @@ +#include "test/jemalloc_test.h" + +/* Test status state. */ + +static unsigned test_count = 0; +static test_status_t test_counts[test_status_count] = {0, 0, 0}; +static test_status_t test_status = test_status_pass; +static const char * test_name = ""; + +/* Reentrancy testing helpers. */ + +#define NUM_REENTRANT_ALLOCS 20 +typedef enum { + non_reentrant = 0, + libc_reentrant = 1, + arena_new_reentrant = 2 +} reentrancy_t; +static reentrancy_t reentrancy; + +static bool libc_hook_ran = false; +static bool arena_new_hook_ran = false; + +static const char * +reentrancy_t_str(reentrancy_t r) { + switch (r) { + case non_reentrant: + return "non-reentrant"; + case libc_reentrant: + return "libc-reentrant"; + case arena_new_reentrant: + return "arena_new-reentrant"; + default: + unreachable(); + } +} + +static void +do_hook(bool *hook_ran, void (**hook)()) { + *hook_ran = true; + *hook = NULL; + + size_t alloc_size = 1; + for (int i = 0; i < NUM_REENTRANT_ALLOCS; i++) { + free(malloc(alloc_size)); + alloc_size *= 2; + } +} + +static void +libc_reentrancy_hook() { + do_hook(&libc_hook_ran, &test_hooks_libc_hook); +} + +static void +arena_new_reentrancy_hook() { + do_hook(&arena_new_hook_ran, &test_hooks_arena_new_hook); +} + +/* Actual test infrastructure. */ +bool +test_is_reentrant() { + return reentrancy != non_reentrant; +} + +JEMALLOC_FORMAT_PRINTF(1, 2) +void +test_skip(const char *format, ...) { + va_list ap; + + va_start(ap, format); + malloc_vcprintf(NULL, NULL, format, ap); + va_end(ap); + malloc_printf("\n"); + test_status = test_status_skip; +} + +JEMALLOC_FORMAT_PRINTF(1, 2) +void +test_fail(const char *format, ...) { + va_list ap; + + va_start(ap, format); + malloc_vcprintf(NULL, NULL, format, ap); + va_end(ap); + malloc_printf("\n"); + test_status = test_status_fail; +} + +static const char * +test_status_string(test_status_t test_status) { + switch (test_status) { + case test_status_pass: return "pass"; + case test_status_skip: return "skip"; + case test_status_fail: return "fail"; + default: not_reached(); + } +} + +void +p_test_init(const char *name) { + test_count++; + test_status = test_status_pass; + test_name = name; +} + +void +p_test_fini(void) { + test_counts[test_status]++; + malloc_printf("%s (%s): %s\n", test_name, reentrancy_t_str(reentrancy), + test_status_string(test_status)); +} + +static void +check_global_slow(test_status_t *status) { +#ifdef JEMALLOC_UNIT_TEST + /* + * This check needs to peek into tsd internals, which is why it's only + * exposed in unit tests. + */ + if (tsd_global_slow()) { + malloc_printf("Testing increased global slow count\n"); + *status = test_status_fail; + } +#endif +} + +static test_status_t +p_test_impl(bool do_malloc_init, bool do_reentrant, test_t *t, va_list ap) { + test_status_t ret; + + if (do_malloc_init) { + /* + * Make sure initialization occurs prior to running tests. + * Tests are special because they may use internal facilities + * prior to triggering initialization as a side effect of + * calling into the public API. + */ + if (nallocx(1, 0) == 0) { + malloc_printf("Initialization error"); + return test_status_fail; + } + } + + ret = test_status_pass; + for (; t != NULL; t = va_arg(ap, test_t *)) { + /* Non-reentrant run. */ + reentrancy = non_reentrant; + test_hooks_arena_new_hook = test_hooks_libc_hook = NULL; + t(); + if (test_status > ret) { + ret = test_status; + } + check_global_slow(&ret); + /* Reentrant run. */ + if (do_reentrant) { + reentrancy = libc_reentrant; + test_hooks_arena_new_hook = NULL; + test_hooks_libc_hook = &libc_reentrancy_hook; + t(); + if (test_status > ret) { + ret = test_status; + } + check_global_slow(&ret); + + reentrancy = arena_new_reentrant; + test_hooks_libc_hook = NULL; + test_hooks_arena_new_hook = &arena_new_reentrancy_hook; + t(); + if (test_status > ret) { + ret = test_status; + } + check_global_slow(&ret); + } + } + + malloc_printf("--- %s: %u/%u, %s: %u/%u, %s: %u/%u ---\n", + test_status_string(test_status_pass), + test_counts[test_status_pass], test_count, + test_status_string(test_status_skip), + test_counts[test_status_skip], test_count, + test_status_string(test_status_fail), + test_counts[test_status_fail], test_count); + + return ret; +} + +test_status_t +p_test(test_t *t, ...) { + test_status_t ret; + va_list ap; + + ret = test_status_pass; + va_start(ap, t); + ret = p_test_impl(true, true, t, ap); + va_end(ap); + + return ret; +} + +test_status_t +p_test_no_reentrancy(test_t *t, ...) { + test_status_t ret; + va_list ap; + + ret = test_status_pass; + va_start(ap, t); + ret = p_test_impl(true, false, t, ap); + va_end(ap); + + return ret; +} + +test_status_t +p_test_no_malloc_init(test_t *t, ...) { + test_status_t ret; + va_list ap; + + ret = test_status_pass; + va_start(ap, t); + /* + * We also omit reentrancy from bootstrapping tests, since we don't + * (yet) care about general reentrancy during bootstrapping. + */ + ret = p_test_impl(false, false, t, ap); + va_end(ap); + + return ret; +} + +void +p_test_fail(const char *prefix, const char *message) { + malloc_cprintf(NULL, NULL, "%s%s\n", prefix, message); + test_status = test_status_fail; +} |