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-rw-r--r--test/asan/TestCases/coverage-maybe-open-file.cc32
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
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+++ 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