diff options
Diffstat (limited to 'test/asan/TestCases/Posix/mmap_limit_mb.cc')
-rw-r--r-- | test/asan/TestCases/Posix/mmap_limit_mb.cc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/asan/TestCases/Posix/mmap_limit_mb.cc b/test/asan/TestCases/Posix/mmap_limit_mb.cc new file mode 100644 index 000000000000..379524121a88 --- /dev/null +++ b/test/asan/TestCases/Posix/mmap_limit_mb.cc @@ -0,0 +1,35 @@ +// Test the mmap_limit_mb flag. +// +// RUN: %clangxx_asan -O2 %s -o %t +// RUN: %run %t 20 16 +// RUN: %run %t 30 1000000 +// RUN: %env_asan_opts=mmap_limit_mb=300 %run %t 20 16 +// RUN: %env_asan_opts=mmap_limit_mb=300 %run %t 20 1000000 +// RUN: %env_asan_opts=mmap_limit_mb=300 not %run %t 500 16 2>&1 | FileCheck %s +// RUN: %env_asan_opts=mmap_limit_mb=300 not %run %t 500 1000000 2>&1 | FileCheck %s +// +// FIXME: Windows doesn't implement mmap_limit_mb. +// XFAIL: arm-linux-gnueabi,win32 + +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> + +#include <algorithm> +#include <vector> + +int main(int argc, char **argv) { + assert(argc == 3); + long total_mb = atoi(argv[1]); + long allocation_size = atoi(argv[2]); + fprintf(stderr, "total_mb: %zd allocation_size: %zd\n", total_mb, + allocation_size); + std::vector<char *> v; + for (long total = total_mb << 20; total > 0; total -= allocation_size) + v.push_back(new char[allocation_size]); + for (std::vector<char *>::const_iterator it = v.begin(); it != v.end(); ++it) + delete[](*it); + fprintf(stderr, "PASS\n"); + // CHECK: total_mmaped{{.*}}mmap_limit_mb + return 0; +} |