forked from OSchip/llvm-project
128 lines
3.1 KiB
C++
128 lines
3.1 KiB
C++
//===-- tsan_mutexset_test.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_mutexset.h"
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#include "gtest/gtest.h"
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namespace __tsan {
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static void Expect(const MutexSet &mset, uptr i, u64 id, bool write, u64 epoch,
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int count) {
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MutexSet::Desc d = mset.Get(i);
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EXPECT_EQ(id, d.id);
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EXPECT_EQ(write, d.write);
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EXPECT_EQ(epoch, d.epoch);
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EXPECT_EQ(count, d.count);
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}
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TEST(MutexSet, Basic) {
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MutexSet mset;
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EXPECT_EQ(mset.Size(), (uptr)0);
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mset.Add(1, true, 2);
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EXPECT_EQ(mset.Size(), (uptr)1);
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Expect(mset, 0, 1, true, 2, 1);
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mset.Del(1, true);
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EXPECT_EQ(mset.Size(), (uptr)0);
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mset.Add(3, true, 4);
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mset.Add(5, false, 6);
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EXPECT_EQ(mset.Size(), (uptr)2);
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Expect(mset, 0, 3, true, 4, 1);
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Expect(mset, 1, 5, false, 6, 1);
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mset.Del(3, true);
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EXPECT_EQ(mset.Size(), (uptr)1);
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mset.Del(5, false);
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EXPECT_EQ(mset.Size(), (uptr)0);
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}
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TEST(MutexSet, DoubleAdd) {
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MutexSet mset;
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mset.Add(1, true, 2);
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EXPECT_EQ(mset.Size(), (uptr)1);
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Expect(mset, 0, 1, true, 2, 1);
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mset.Add(1, true, 2);
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EXPECT_EQ(mset.Size(), (uptr)1);
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Expect(mset, 0, 1, true, 2, 2);
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mset.Del(1, true);
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EXPECT_EQ(mset.Size(), (uptr)1);
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Expect(mset, 0, 1, true, 2, 1);
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mset.Del(1, true);
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EXPECT_EQ(mset.Size(), (uptr)0);
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}
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TEST(MutexSet, DoubleDel) {
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MutexSet mset;
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mset.Add(1, true, 2);
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EXPECT_EQ(mset.Size(), (uptr)1);
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mset.Del(1, true);
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EXPECT_EQ(mset.Size(), (uptr)0);
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mset.Del(1, true);
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EXPECT_EQ(mset.Size(), (uptr)0);
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}
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TEST(MutexSet, Remove) {
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MutexSet mset;
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mset.Add(1, true, 2);
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mset.Add(1, true, 2);
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mset.Add(3, true, 4);
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mset.Add(3, true, 4);
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EXPECT_EQ(mset.Size(), (uptr)2);
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mset.Remove(1);
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EXPECT_EQ(mset.Size(), (uptr)1);
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Expect(mset, 0, 3, true, 4, 2);
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}
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TEST(MutexSet, Full) {
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MutexSet mset;
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for (uptr i = 0; i < MutexSet::kMaxSize; i++) {
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mset.Add(i, true, i + 1);
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}
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EXPECT_EQ(mset.Size(), MutexSet::kMaxSize);
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for (uptr i = 0; i < MutexSet::kMaxSize; i++) {
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Expect(mset, i, i, true, i + 1, 1);
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}
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for (uptr i = 0; i < MutexSet::kMaxSize; i++) {
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mset.Add(i, true, i + 1);
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}
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EXPECT_EQ(mset.Size(), MutexSet::kMaxSize);
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for (uptr i = 0; i < MutexSet::kMaxSize; i++) {
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Expect(mset, i, i, true, i + 1, 2);
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}
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}
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TEST(MutexSet, Overflow) {
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MutexSet mset;
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for (uptr i = 0; i < MutexSet::kMaxSize; i++) {
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mset.Add(i, true, i + 1);
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mset.Add(i, true, i + 1);
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}
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mset.Add(100, true, 200);
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EXPECT_EQ(mset.Size(), MutexSet::kMaxSize);
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for (uptr i = 0; i < MutexSet::kMaxSize; i++) {
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if (i == 0)
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Expect(mset, i, MutexSet::kMaxSize - 1,
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true, MutexSet::kMaxSize, 2);
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else if (i == MutexSet::kMaxSize - 1)
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Expect(mset, i, 100, true, 200, 1);
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else
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Expect(mset, i, i, true, i + 1, 2);
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}
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}
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} // namespace __tsan
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