vendor/compiler-rt/compiler-rt-release_370-r246257

1 files changed, 32 insertions, 0 deletions

diff --git a/test/asan/TestCases/coverage-maybe-open-file.cc b/test/asan/TestCases/coverage-maybe-open-file.cc
new file mode 100644
index 0000000000000..b261fb0fc7754
--- /dev/null
+++ b/test/asan/TestCases/coverage-maybe-open-file.cc
@@ -0,0 +1,32 @@
+// FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
+// XFAIL: android
+//
+// RUN: %clangxx_asan -fsanitize-coverage=func %s -o %t
+// RUN: rm -rf %T/coverage-maybe-open-file
+// RUN: mkdir -p %T/coverage-maybe-open-file && cd %T/coverage-maybe-open-file
+// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage=1 %run %t | FileCheck %s --check-prefix=CHECK-success
+// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:coverage=0 %run %t | FileCheck %s --check-prefix=CHECK-fail
+// RUN: [ "$(cat test.sancov.packed)" == "test" ]
+// RUN: cd .. && rm -rf %T/coverage-maybe-open-file
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sanitizer/coverage_interface.h>
+
+// FIXME: the code below might not work on Windows.
+int main(int argc, char **argv) {
+  int fd = __sanitizer_maybe_open_cov_file("test");
+  if (fd > 0) {
+    printf("SUCCESS\n");
+    const char s[] = "test\n";
+    write(fd, s, strlen(s));
+    close(fd);
+  } else {
+    printf("FAIL\n");
+  }
+}
+
+// CHECK-success: SUCCESS
+// CHECK-fail: FAIL