forked from OSchip/llvm-project
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
//===-- tsan_string.cc ----------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of ThreadSanitizer (TSan), a race detector.
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//
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//===----------------------------------------------------------------------===//
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#include "tsan_test_util.h"
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#include "gtest/gtest.h"
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#include <string.h>
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namespace __tsan {
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TEST(ThreadSanitizer, Memcpy) {
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char data0[7] = {1, 2, 3, 4, 5, 6, 7};
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char data[7] = {42, 42, 42, 42, 42, 42, 42};
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MainThread().Memcpy(data+1, data0+1, 5);
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EXPECT_EQ(data[0], 42);
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EXPECT_EQ(data[1], 2);
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EXPECT_EQ(data[2], 3);
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EXPECT_EQ(data[3], 4);
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EXPECT_EQ(data[4], 5);
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EXPECT_EQ(data[5], 6);
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EXPECT_EQ(data[6], 42);
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MainThread().Memset(data+1, 13, 5);
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EXPECT_EQ(data[0], 42);
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EXPECT_EQ(data[1], 13);
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EXPECT_EQ(data[2], 13);
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EXPECT_EQ(data[3], 13);
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EXPECT_EQ(data[4], 13);
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EXPECT_EQ(data[5], 13);
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EXPECT_EQ(data[6], 42);
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}
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TEST(ThreadSanitizer, MemcpyRace1) {
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char *data = new char[10];
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char *data1 = new char[10];
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char *data2 = new char[10];
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ScopedThread t1, t2;
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t1.Memcpy(data, data1, 10);
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t2.Memcpy(data, data2, 10, true);
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}
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TEST(ThreadSanitizer, MemcpyRace2) {
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char *data = new char[10];
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char *data1 = new char[10];
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char *data2 = new char[10];
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ScopedThread t1, t2;
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t1.Memcpy(data+5, data1, 1);
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t2.Memcpy(data+3, data2, 4, true);
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}
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TEST(ThreadSanitizer, MemcpyRace3) {
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char *data = new char[10];
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char *data1 = new char[10];
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char *data2 = new char[10];
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ScopedThread t1, t2;
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t1.Memcpy(data, data1, 10);
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t2.Memcpy(data1, data2, 10, true);
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}
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TEST(ThreadSanitizer, MemcpyStack) {
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char *data = new char[10];
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char *data1 = new char[10];
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ScopedThread t1, t2;
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t1.Memcpy(data, data1, 10);
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t2.Memcpy(data, data1, 10, true);
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}
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TEST(ThreadSanitizer, MemsetRace1) {
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char *data = new char[10];
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ScopedThread t1, t2;
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t1.Memset(data, 1, 10);
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t2.Memset(data, 2, 10, true);
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}
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} // namespace __tsan
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