diff options
Diffstat (limited to 'lib/lsan/lit_tests/TestCases/do_leak_check_override.cc')
-rw-r--r-- | lib/lsan/lit_tests/TestCases/do_leak_check_override.cc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/lsan/lit_tests/TestCases/do_leak_check_override.cc b/lib/lsan/lit_tests/TestCases/do_leak_check_override.cc new file mode 100644 index 000000000000..be0ed0a6d48f --- /dev/null +++ b/lib/lsan/lit_tests/TestCases/do_leak_check_override.cc @@ -0,0 +1,36 @@ +// Test for __lsan_do_leak_check(). We test it by making the leak check run +// before global destructors, which also tests compatibility with HeapChecker's +// "normal" mode (LSan runs in "strict" mode by default). +// RUN: LSAN_BASE="use_stacks=0:use_registers=0" +// RUN: %clangxx_lsan %s -o %t +// RUN: LSAN_OPTIONS=$LSAN_BASE not %t 2>&1 | FileCheck --check-prefix=CHECK-strict %s +// RUN: LSAN_OPTIONS=$LSAN_BASE not %t foo 2>&1 | FileCheck --check-prefix=CHECK-normal %s + +#include <stdio.h> +#include <stdlib.h> +#include <sanitizer/lsan_interface.h> + +struct LeakyGlobal { + LeakyGlobal() { + p = malloc(1337); + } + ~LeakyGlobal() { + p = 0; + } + void *p; +}; + +LeakyGlobal leaky_global; + +int main(int argc, char *argv[]) { + // Register leak check to run before global destructors. + if (argc > 1) + atexit(&__lsan_do_leak_check); + void *p = malloc(666); + printf("Test alloc: %p\n", p); + printf("Test alloc in leaky global: %p\n", leaky_global.p); + return 0; +} + +// CHECK-strict: SUMMARY: {{(Leak|Address)}}Sanitizer: 2003 byte(s) leaked in 2 allocation(s) +// CHECK-normal: SUMMARY: {{(Leak|Address)}}Sanitizer: 666 byte(s) leaked in 1 allocation(s) |