1 files changed, 82 insertions, 0 deletions
diff --git a/lib/tsan/rtl_tests/tsan_string.cc b/lib/tsan/rtl_tests/tsan_string.cc
new file mode 100644
index 000000000000..75adc6c85ee9
--- /dev/null
+++ b/lib/tsan/rtl_tests/tsan_string.cc
@@ -0,0 +1,82 @@
+//===-- tsan_string.cc ----------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+//===----------------------------------------------------------------------===//
+#include "tsan_test_util.h"
+#include "gtest/gtest.h"
+#include <string.h>
+
+namespace __tsan {
+
+TEST(ThreadSanitizer, Memcpy) {
+  char data0[7] = {1, 2, 3, 4, 5, 6, 7};
+  char data[7] = {42, 42, 42, 42, 42, 42, 42};
+  MainThread().Memcpy(data+1, data0+1, 5);
+  EXPECT_EQ(data[0], 42);
+  EXPECT_EQ(data[1], 2);
+  EXPECT_EQ(data[2], 3);
+  EXPECT_EQ(data[3], 4);
+  EXPECT_EQ(data[4], 5);
+  EXPECT_EQ(data[5], 6);
+  EXPECT_EQ(data[6], 42);
+  MainThread().Memset(data+1, 13, 5);
+  EXPECT_EQ(data[0], 42);
+  EXPECT_EQ(data[1], 13);
+  EXPECT_EQ(data[2], 13);
+  EXPECT_EQ(data[3], 13);
+  EXPECT_EQ(data[4], 13);
+  EXPECT_EQ(data[5], 13);
+  EXPECT_EQ(data[6], 42);
+}
+
+TEST(ThreadSanitizer, MemcpyRace1) {
+  char *data = new char[10];
+  char *data1 = new char[10];
+  char *data2 = new char[10];
+  ScopedThread t1, t2;
+  t1.Memcpy(data, data1, 10);
+  t2.Memcpy(data, data2, 10, true);
+}
+
+TEST(ThreadSanitizer, MemcpyRace2) {
+  char *data = new char[10];
+  char *data1 = new char[10];
+  char *data2 = new char[10];
+  ScopedThread t1, t2;
+  t1.Memcpy(data+5, data1, 1);
+  t2.Memcpy(data+3, data2, 4, true);
+}
+
+TEST(ThreadSanitizer, MemcpyRace3) {
+  char *data = new char[10];
+  char *data1 = new char[10];
+  char *data2 = new char[10];
+  ScopedThread t1, t2;
+  t1.Memcpy(data, data1, 10);
+  t2.Memcpy(data1, data2, 10, true);
+}
+
+TEST(ThreadSanitizer, MemcpyStack) {
+  char *data = new char[10];
+  char *data1 = new char[10];
+  ScopedThread t1, t2;
+  t1.Memcpy(data, data1, 10);
+  t2.Memcpy(data, data1, 10, true);
+}
+
+TEST(ThreadSanitizer, MemsetRace1) {
+  char *data = new char[10];
+  ScopedThread t1, t2;
+  t1.Memset(data, 1, 10);
+  t2.Memset(data, 2, 10, true);
+}
+
+}  // namespace __tsan