1254 lines
38 KiB
C++
1254 lines
38 KiB
C++
// Copyright 2008, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Authors: vladl@google.com (Vlad Losev), wan@google.com (Zhanyong Wan)
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//
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// This file tests the internal cross-platform support utilities.
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#include "gtest/internal/gtest-port.h"
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#include <stdio.h>
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#if GTEST_OS_MAC
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# include <time.h>
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#endif // GTEST_OS_MAC
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#include <list>
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#include <utility> // For std::pair and std::make_pair.
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#include <vector>
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#include "gtest/gtest.h"
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#include "gtest/gtest-spi.h"
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// Indicates that this translation unit is part of Google Test's
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// implementation. It must come before gtest-internal-inl.h is
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// included, or there will be a compiler error. This trick is to
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// prevent a user from accidentally including gtest-internal-inl.h in
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// his code.
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#define GTEST_IMPLEMENTATION_ 1
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#include "src/gtest-internal-inl.h"
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#undef GTEST_IMPLEMENTATION_
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using std::make_pair;
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using std::pair;
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namespace testing {
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namespace internal {
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TEST(IsXDigitTest, WorksForNarrowAscii) {
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EXPECT_TRUE(IsXDigit('0'));
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EXPECT_TRUE(IsXDigit('9'));
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EXPECT_TRUE(IsXDigit('A'));
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EXPECT_TRUE(IsXDigit('F'));
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EXPECT_TRUE(IsXDigit('a'));
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EXPECT_TRUE(IsXDigit('f'));
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EXPECT_FALSE(IsXDigit('-'));
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EXPECT_FALSE(IsXDigit('g'));
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EXPECT_FALSE(IsXDigit('G'));
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}
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TEST(IsXDigitTest, ReturnsFalseForNarrowNonAscii) {
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EXPECT_FALSE(IsXDigit(static_cast<char>(0x80)));
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EXPECT_FALSE(IsXDigit(static_cast<char>('0' | 0x80)));
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}
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TEST(IsXDigitTest, WorksForWideAscii) {
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EXPECT_TRUE(IsXDigit(L'0'));
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EXPECT_TRUE(IsXDigit(L'9'));
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EXPECT_TRUE(IsXDigit(L'A'));
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EXPECT_TRUE(IsXDigit(L'F'));
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EXPECT_TRUE(IsXDigit(L'a'));
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EXPECT_TRUE(IsXDigit(L'f'));
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EXPECT_FALSE(IsXDigit(L'-'));
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EXPECT_FALSE(IsXDigit(L'g'));
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EXPECT_FALSE(IsXDigit(L'G'));
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}
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TEST(IsXDigitTest, ReturnsFalseForWideNonAscii) {
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EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(0x80)));
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EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(L'0' | 0x80)));
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EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(L'0' | 0x100)));
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}
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class Base {
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public:
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// Copy constructor and assignment operator do exactly what we need, so we
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// use them.
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Base() : member_(0) {}
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explicit Base(int n) : member_(n) {}
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virtual ~Base() {}
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int member() { return member_; }
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private:
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int member_;
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};
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class Derived : public Base {
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public:
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explicit Derived(int n) : Base(n) {}
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};
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TEST(ImplicitCastTest, ConvertsPointers) {
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Derived derived(0);
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EXPECT_TRUE(&derived == ::testing::internal::ImplicitCast_<Base*>(&derived));
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}
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TEST(ImplicitCastTest, CanUseInheritance) {
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Derived derived(1);
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Base base = ::testing::internal::ImplicitCast_<Base>(derived);
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EXPECT_EQ(derived.member(), base.member());
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}
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class Castable {
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public:
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explicit Castable(bool* converted) : converted_(converted) {}
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operator Base() {
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*converted_ = true;
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return Base();
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}
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private:
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bool* converted_;
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};
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TEST(ImplicitCastTest, CanUseNonConstCastOperator) {
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bool converted = false;
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Castable castable(&converted);
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Base base = ::testing::internal::ImplicitCast_<Base>(castable);
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EXPECT_TRUE(converted);
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}
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class ConstCastable {
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public:
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explicit ConstCastable(bool* converted) : converted_(converted) {}
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operator Base() const {
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*converted_ = true;
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return Base();
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}
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private:
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bool* converted_;
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};
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TEST(ImplicitCastTest, CanUseConstCastOperatorOnConstValues) {
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bool converted = false;
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const ConstCastable const_castable(&converted);
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Base base = ::testing::internal::ImplicitCast_<Base>(const_castable);
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EXPECT_TRUE(converted);
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}
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class ConstAndNonConstCastable {
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public:
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ConstAndNonConstCastable(bool* converted, bool* const_converted)
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: converted_(converted), const_converted_(const_converted) {}
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operator Base() {
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*converted_ = true;
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return Base();
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}
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operator Base() const {
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*const_converted_ = true;
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return Base();
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}
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private:
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bool* converted_;
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bool* const_converted_;
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};
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TEST(ImplicitCastTest, CanSelectBetweenConstAndNonConstCasrAppropriately) {
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bool converted = false;
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bool const_converted = false;
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ConstAndNonConstCastable castable(&converted, &const_converted);
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Base base = ::testing::internal::ImplicitCast_<Base>(castable);
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EXPECT_TRUE(converted);
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EXPECT_FALSE(const_converted);
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converted = false;
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const_converted = false;
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const ConstAndNonConstCastable const_castable(&converted, &const_converted);
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base = ::testing::internal::ImplicitCast_<Base>(const_castable);
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EXPECT_FALSE(converted);
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EXPECT_TRUE(const_converted);
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}
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class To {
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public:
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To(bool* converted) { *converted = true; } // NOLINT
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};
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TEST(ImplicitCastTest, CanUseImplicitConstructor) {
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bool converted = false;
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To to = ::testing::internal::ImplicitCast_<To>(&converted);
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(void)to;
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EXPECT_TRUE(converted);
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}
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TEST(IteratorTraitsTest, WorksForSTLContainerIterators) {
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StaticAssertTypeEq<int,
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IteratorTraits< ::std::vector<int>::const_iterator>::value_type>();
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StaticAssertTypeEq<bool,
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IteratorTraits< ::std::list<bool>::iterator>::value_type>();
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}
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TEST(IteratorTraitsTest, WorksForPointerToNonConst) {
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StaticAssertTypeEq<char, IteratorTraits<char*>::value_type>();
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StaticAssertTypeEq<const void*, IteratorTraits<const void**>::value_type>();
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}
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TEST(IteratorTraitsTest, WorksForPointerToConst) {
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StaticAssertTypeEq<char, IteratorTraits<const char*>::value_type>();
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StaticAssertTypeEq<const void*,
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IteratorTraits<const void* const*>::value_type>();
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}
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// Tests that the element_type typedef is available in scoped_ptr and refers
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// to the parameter type.
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TEST(ScopedPtrTest, DefinesElementType) {
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StaticAssertTypeEq<int, ::testing::internal::scoped_ptr<int>::element_type>();
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}
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// TODO(vladl@google.com): Implement THE REST of scoped_ptr tests.
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TEST(GtestCheckSyntaxTest, BehavesLikeASingleStatement) {
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if (AlwaysFalse())
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GTEST_CHECK_(false) << "This should never be executed; "
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"It's a compilation test only.";
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if (AlwaysTrue())
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GTEST_CHECK_(true);
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else
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; // NOLINT
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if (AlwaysFalse())
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; // NOLINT
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else
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GTEST_CHECK_(true) << "";
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}
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TEST(GtestCheckSyntaxTest, WorksWithSwitch) {
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switch (0) {
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case 1:
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break;
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default:
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GTEST_CHECK_(true);
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}
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switch (0)
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case 0:
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GTEST_CHECK_(true) << "Check failed in switch case";
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}
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// Verifies behavior of FormatFileLocation.
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TEST(FormatFileLocationTest, FormatsFileLocation) {
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EXPECT_PRED_FORMAT2(IsSubstring, "foo.cc", FormatFileLocation("foo.cc", 42));
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EXPECT_PRED_FORMAT2(IsSubstring, "42", FormatFileLocation("foo.cc", 42));
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}
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TEST(FormatFileLocationTest, FormatsUnknownFile) {
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EXPECT_PRED_FORMAT2(
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IsSubstring, "unknown file", FormatFileLocation(NULL, 42));
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EXPECT_PRED_FORMAT2(IsSubstring, "42", FormatFileLocation(NULL, 42));
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}
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TEST(FormatFileLocationTest, FormatsUknownLine) {
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EXPECT_EQ("foo.cc:", FormatFileLocation("foo.cc", -1));
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}
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TEST(FormatFileLocationTest, FormatsUknownFileAndLine) {
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EXPECT_EQ("unknown file:", FormatFileLocation(NULL, -1));
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}
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// Verifies behavior of FormatCompilerIndependentFileLocation.
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TEST(FormatCompilerIndependentFileLocationTest, FormatsFileLocation) {
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EXPECT_EQ("foo.cc:42", FormatCompilerIndependentFileLocation("foo.cc", 42));
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}
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TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownFile) {
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EXPECT_EQ("unknown file:42",
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FormatCompilerIndependentFileLocation(NULL, 42));
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}
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TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownLine) {
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EXPECT_EQ("foo.cc", FormatCompilerIndependentFileLocation("foo.cc", -1));
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}
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TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownFileAndLine) {
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EXPECT_EQ("unknown file", FormatCompilerIndependentFileLocation(NULL, -1));
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}
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#if GTEST_OS_MAC || GTEST_OS_QNX
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void* ThreadFunc(void* data) {
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pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data);
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pthread_mutex_lock(mutex);
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pthread_mutex_unlock(mutex);
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return NULL;
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}
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TEST(GetThreadCountTest, ReturnsCorrectValue) {
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EXPECT_EQ(1U, GetThreadCount());
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pthread_mutex_t mutex;
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pthread_attr_t attr;
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pthread_t thread_id;
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// TODO(vladl@google.com): turn mutex into internal::Mutex for automatic
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// destruction.
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pthread_mutex_init(&mutex, NULL);
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pthread_mutex_lock(&mutex);
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ASSERT_EQ(0, pthread_attr_init(&attr));
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ASSERT_EQ(0, pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE));
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const int status = pthread_create(&thread_id, &attr, &ThreadFunc, &mutex);
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ASSERT_EQ(0, pthread_attr_destroy(&attr));
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ASSERT_EQ(0, status);
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EXPECT_EQ(2U, GetThreadCount());
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pthread_mutex_unlock(&mutex);
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void* dummy;
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ASSERT_EQ(0, pthread_join(thread_id, &dummy));
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# if GTEST_OS_MAC
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// MacOS X may not immediately report the updated thread count after
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// joining a thread, causing flakiness in this test. To counter that, we
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// wait for up to .5 seconds for the OS to report the correct value.
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for (int i = 0; i < 5; ++i) {
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if (GetThreadCount() == 1)
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break;
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SleepMilliseconds(100);
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}
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# endif // GTEST_OS_MAC
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EXPECT_EQ(1U, GetThreadCount());
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pthread_mutex_destroy(&mutex);
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}
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#else
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TEST(GetThreadCountTest, ReturnsZeroWhenUnableToCountThreads) {
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EXPECT_EQ(0U, GetThreadCount());
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}
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#endif // GTEST_OS_MAC || GTEST_OS_QNX
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TEST(GtestCheckDeathTest, DiesWithCorrectOutputOnFailure) {
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const bool a_false_condition = false;
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const char regex[] =
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#ifdef _MSC_VER
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"gtest-port_test\\.cc\\(\\d+\\):"
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#elif GTEST_USES_POSIX_RE
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"gtest-port_test\\.cc:[0-9]+"
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#else
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"gtest-port_test\\.cc:\\d+"
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#endif // _MSC_VER
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".*a_false_condition.*Extra info.*";
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EXPECT_DEATH_IF_SUPPORTED(GTEST_CHECK_(a_false_condition) << "Extra info",
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regex);
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}
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#if GTEST_HAS_DEATH_TEST
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TEST(GtestCheckDeathTest, LivesSilentlyOnSuccess) {
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EXPECT_EXIT({
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GTEST_CHECK_(true) << "Extra info";
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::std::cerr << "Success\n";
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exit(0); },
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::testing::ExitedWithCode(0), "Success");
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}
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#endif // GTEST_HAS_DEATH_TEST
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// Verifies that Google Test choose regular expression engine appropriate to
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// the platform. The test will produce compiler errors in case of failure.
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// For simplicity, we only cover the most important platforms here.
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TEST(RegexEngineSelectionTest, SelectsCorrectRegexEngine) {
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#if GTEST_HAS_POSIX_RE
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EXPECT_TRUE(GTEST_USES_POSIX_RE);
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#else
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EXPECT_TRUE(GTEST_USES_SIMPLE_RE);
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#endif
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}
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#if GTEST_USES_POSIX_RE
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# if GTEST_HAS_TYPED_TEST
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template <typename Str>
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class RETest : public ::testing::Test {};
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// Defines StringTypes as the list of all string types that class RE
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// supports.
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typedef testing::Types<
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::std::string,
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# if GTEST_HAS_GLOBAL_STRING
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::string,
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# endif // GTEST_HAS_GLOBAL_STRING
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const char*> StringTypes;
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TYPED_TEST_CASE(RETest, StringTypes);
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// Tests RE's implicit constructors.
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TYPED_TEST(RETest, ImplicitConstructorWorks) {
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const RE empty(TypeParam(""));
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EXPECT_STREQ("", empty.pattern());
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const RE simple(TypeParam("hello"));
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EXPECT_STREQ("hello", simple.pattern());
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const RE normal(TypeParam(".*(\\w+)"));
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EXPECT_STREQ(".*(\\w+)", normal.pattern());
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}
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// Tests that RE's constructors reject invalid regular expressions.
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TYPED_TEST(RETest, RejectsInvalidRegex) {
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EXPECT_NONFATAL_FAILURE({
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const RE invalid(TypeParam("?"));
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}, "\"?\" is not a valid POSIX Extended regular expression.");
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}
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// Tests RE::FullMatch().
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TYPED_TEST(RETest, FullMatchWorks) {
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const RE empty(TypeParam(""));
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EXPECT_TRUE(RE::FullMatch(TypeParam(""), empty));
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EXPECT_FALSE(RE::FullMatch(TypeParam("a"), empty));
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const RE re(TypeParam("a.*z"));
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EXPECT_TRUE(RE::FullMatch(TypeParam("az"), re));
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EXPECT_TRUE(RE::FullMatch(TypeParam("axyz"), re));
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EXPECT_FALSE(RE::FullMatch(TypeParam("baz"), re));
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EXPECT_FALSE(RE::FullMatch(TypeParam("azy"), re));
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}
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// Tests RE::PartialMatch().
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TYPED_TEST(RETest, PartialMatchWorks) {
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const RE empty(TypeParam(""));
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EXPECT_TRUE(RE::PartialMatch(TypeParam(""), empty));
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EXPECT_TRUE(RE::PartialMatch(TypeParam("a"), empty));
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const RE re(TypeParam("a.*z"));
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EXPECT_TRUE(RE::PartialMatch(TypeParam("az"), re));
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EXPECT_TRUE(RE::PartialMatch(TypeParam("axyz"), re));
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EXPECT_TRUE(RE::PartialMatch(TypeParam("baz"), re));
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EXPECT_TRUE(RE::PartialMatch(TypeParam("azy"), re));
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EXPECT_FALSE(RE::PartialMatch(TypeParam("zza"), re));
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}
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# endif // GTEST_HAS_TYPED_TEST
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#elif GTEST_USES_SIMPLE_RE
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TEST(IsInSetTest, NulCharIsNotInAnySet) {
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EXPECT_FALSE(IsInSet('\0', ""));
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EXPECT_FALSE(IsInSet('\0', "\0"));
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EXPECT_FALSE(IsInSet('\0', "a"));
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}
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TEST(IsInSetTest, WorksForNonNulChars) {
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EXPECT_FALSE(IsInSet('a', "Ab"));
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EXPECT_FALSE(IsInSet('c', ""));
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EXPECT_TRUE(IsInSet('b', "bcd"));
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EXPECT_TRUE(IsInSet('b', "ab"));
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}
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TEST(IsAsciiDigitTest, IsFalseForNonDigit) {
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EXPECT_FALSE(IsAsciiDigit('\0'));
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EXPECT_FALSE(IsAsciiDigit(' '));
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EXPECT_FALSE(IsAsciiDigit('+'));
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EXPECT_FALSE(IsAsciiDigit('-'));
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EXPECT_FALSE(IsAsciiDigit('.'));
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EXPECT_FALSE(IsAsciiDigit('a'));
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}
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TEST(IsAsciiDigitTest, IsTrueForDigit) {
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EXPECT_TRUE(IsAsciiDigit('0'));
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EXPECT_TRUE(IsAsciiDigit('1'));
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EXPECT_TRUE(IsAsciiDigit('5'));
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EXPECT_TRUE(IsAsciiDigit('9'));
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}
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TEST(IsAsciiPunctTest, IsFalseForNonPunct) {
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EXPECT_FALSE(IsAsciiPunct('\0'));
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EXPECT_FALSE(IsAsciiPunct(' '));
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EXPECT_FALSE(IsAsciiPunct('\n'));
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EXPECT_FALSE(IsAsciiPunct('a'));
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EXPECT_FALSE(IsAsciiPunct('0'));
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}
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|
|
TEST(IsAsciiPunctTest, IsTrueForPunct) {
|
|
for (const char* p = "^-!\"#$%&'()*+,./:;<=>?@[\\]_`{|}~"; *p; p++) {
|
|
EXPECT_PRED1(IsAsciiPunct, *p);
|
|
}
|
|
}
|
|
|
|
TEST(IsRepeatTest, IsFalseForNonRepeatChar) {
|
|
EXPECT_FALSE(IsRepeat('\0'));
|
|
EXPECT_FALSE(IsRepeat(' '));
|
|
EXPECT_FALSE(IsRepeat('a'));
|
|
EXPECT_FALSE(IsRepeat('1'));
|
|
EXPECT_FALSE(IsRepeat('-'));
|
|
}
|
|
|
|
TEST(IsRepeatTest, IsTrueForRepeatChar) {
|
|
EXPECT_TRUE(IsRepeat('?'));
|
|
EXPECT_TRUE(IsRepeat('*'));
|
|
EXPECT_TRUE(IsRepeat('+'));
|
|
}
|
|
|
|
TEST(IsAsciiWhiteSpaceTest, IsFalseForNonWhiteSpace) {
|
|
EXPECT_FALSE(IsAsciiWhiteSpace('\0'));
|
|
EXPECT_FALSE(IsAsciiWhiteSpace('a'));
|
|
EXPECT_FALSE(IsAsciiWhiteSpace('1'));
|
|
EXPECT_FALSE(IsAsciiWhiteSpace('+'));
|
|
EXPECT_FALSE(IsAsciiWhiteSpace('_'));
|
|
}
|
|
|
|
TEST(IsAsciiWhiteSpaceTest, IsTrueForWhiteSpace) {
|
|
EXPECT_TRUE(IsAsciiWhiteSpace(' '));
|
|
EXPECT_TRUE(IsAsciiWhiteSpace('\n'));
|
|
EXPECT_TRUE(IsAsciiWhiteSpace('\r'));
|
|
EXPECT_TRUE(IsAsciiWhiteSpace('\t'));
|
|
EXPECT_TRUE(IsAsciiWhiteSpace('\v'));
|
|
EXPECT_TRUE(IsAsciiWhiteSpace('\f'));
|
|
}
|
|
|
|
TEST(IsAsciiWordCharTest, IsFalseForNonWordChar) {
|
|
EXPECT_FALSE(IsAsciiWordChar('\0'));
|
|
EXPECT_FALSE(IsAsciiWordChar('+'));
|
|
EXPECT_FALSE(IsAsciiWordChar('.'));
|
|
EXPECT_FALSE(IsAsciiWordChar(' '));
|
|
EXPECT_FALSE(IsAsciiWordChar('\n'));
|
|
}
|
|
|
|
TEST(IsAsciiWordCharTest, IsTrueForLetter) {
|
|
EXPECT_TRUE(IsAsciiWordChar('a'));
|
|
EXPECT_TRUE(IsAsciiWordChar('b'));
|
|
EXPECT_TRUE(IsAsciiWordChar('A'));
|
|
EXPECT_TRUE(IsAsciiWordChar('Z'));
|
|
}
|
|
|
|
TEST(IsAsciiWordCharTest, IsTrueForDigit) {
|
|
EXPECT_TRUE(IsAsciiWordChar('0'));
|
|
EXPECT_TRUE(IsAsciiWordChar('1'));
|
|
EXPECT_TRUE(IsAsciiWordChar('7'));
|
|
EXPECT_TRUE(IsAsciiWordChar('9'));
|
|
}
|
|
|
|
TEST(IsAsciiWordCharTest, IsTrueForUnderscore) {
|
|
EXPECT_TRUE(IsAsciiWordChar('_'));
|
|
}
|
|
|
|
TEST(IsValidEscapeTest, IsFalseForNonPrintable) {
|
|
EXPECT_FALSE(IsValidEscape('\0'));
|
|
EXPECT_FALSE(IsValidEscape('\007'));
|
|
}
|
|
|
|
TEST(IsValidEscapeTest, IsFalseForDigit) {
|
|
EXPECT_FALSE(IsValidEscape('0'));
|
|
EXPECT_FALSE(IsValidEscape('9'));
|
|
}
|
|
|
|
TEST(IsValidEscapeTest, IsFalseForWhiteSpace) {
|
|
EXPECT_FALSE(IsValidEscape(' '));
|
|
EXPECT_FALSE(IsValidEscape('\n'));
|
|
}
|
|
|
|
TEST(IsValidEscapeTest, IsFalseForSomeLetter) {
|
|
EXPECT_FALSE(IsValidEscape('a'));
|
|
EXPECT_FALSE(IsValidEscape('Z'));
|
|
}
|
|
|
|
TEST(IsValidEscapeTest, IsTrueForPunct) {
|
|
EXPECT_TRUE(IsValidEscape('.'));
|
|
EXPECT_TRUE(IsValidEscape('-'));
|
|
EXPECT_TRUE(IsValidEscape('^'));
|
|
EXPECT_TRUE(IsValidEscape('$'));
|
|
EXPECT_TRUE(IsValidEscape('('));
|
|
EXPECT_TRUE(IsValidEscape(']'));
|
|
EXPECT_TRUE(IsValidEscape('{'));
|
|
EXPECT_TRUE(IsValidEscape('|'));
|
|
}
|
|
|
|
TEST(IsValidEscapeTest, IsTrueForSomeLetter) {
|
|
EXPECT_TRUE(IsValidEscape('d'));
|
|
EXPECT_TRUE(IsValidEscape('D'));
|
|
EXPECT_TRUE(IsValidEscape('s'));
|
|
EXPECT_TRUE(IsValidEscape('S'));
|
|
EXPECT_TRUE(IsValidEscape('w'));
|
|
EXPECT_TRUE(IsValidEscape('W'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, EscapedPunct) {
|
|
EXPECT_FALSE(AtomMatchesChar(true, '\\', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, '\\', ' '));
|
|
EXPECT_FALSE(AtomMatchesChar(true, '_', '.'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, '.', 'a'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(true, '\\', '\\'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, '_', '_'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, '+', '+'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, '.', '.'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, Escaped_d) {
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'd', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'd', 'a'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'd', '.'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'd', '0'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'd', '9'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, Escaped_D) {
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'D', '0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'D', '9'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'D', '\0'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'D', 'a'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'D', '-'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, Escaped_s) {
|
|
EXPECT_FALSE(AtomMatchesChar(true, 's', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 's', 'a'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 's', '.'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 's', '9'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(true, 's', ' '));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 's', '\n'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 's', '\t'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, Escaped_S) {
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'S', ' '));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'S', '\r'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'S', '\0'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'S', 'a'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'S', '9'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, Escaped_w) {
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'w', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'w', '+'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'w', ' '));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'w', '\n'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'w', '0'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'w', 'b'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'w', 'C'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'w', '_'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, Escaped_W) {
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'W', 'A'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'W', 'b'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'W', '9'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'W', '_'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'W', '\0'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'W', '*'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'W', '\n'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, EscapedWhiteSpace) {
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'f', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'f', '\n'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'n', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'n', '\r'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'r', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'r', 'a'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 't', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 't', 't'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'v', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(true, 'v', '\f'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'f', '\f'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'n', '\n'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'r', '\r'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 't', '\t'));
|
|
EXPECT_TRUE(AtomMatchesChar(true, 'v', '\v'));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, UnescapedDot) {
|
|
EXPECT_FALSE(AtomMatchesChar(false, '.', '\n'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(false, '.', '\0'));
|
|
EXPECT_TRUE(AtomMatchesChar(false, '.', '.'));
|
|
EXPECT_TRUE(AtomMatchesChar(false, '.', 'a'));
|
|
EXPECT_TRUE(AtomMatchesChar(false, '.', ' '));
|
|
}
|
|
|
|
TEST(AtomMatchesCharTest, UnescapedChar) {
|
|
EXPECT_FALSE(AtomMatchesChar(false, 'a', '\0'));
|
|
EXPECT_FALSE(AtomMatchesChar(false, 'a', 'b'));
|
|
EXPECT_FALSE(AtomMatchesChar(false, '$', 'a'));
|
|
|
|
EXPECT_TRUE(AtomMatchesChar(false, '$', '$'));
|
|
EXPECT_TRUE(AtomMatchesChar(false, '5', '5'));
|
|
EXPECT_TRUE(AtomMatchesChar(false, 'Z', 'Z'));
|
|
}
|
|
|
|
TEST(ValidateRegexTest, GeneratesFailureAndReturnsFalseForInvalid) {
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex(NULL)),
|
|
"NULL is not a valid simple regular expression");
|
|
EXPECT_NONFATAL_FAILURE(
|
|
ASSERT_FALSE(ValidateRegex("a\\")),
|
|
"Syntax error at index 1 in simple regular expression \"a\\\": ");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("a\\")),
|
|
"'\\' cannot appear at the end");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("\\n\\")),
|
|
"'\\' cannot appear at the end");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("\\s\\hb")),
|
|
"invalid escape sequence \"\\h\"");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("^^")),
|
|
"'^' can only appear at the beginning");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex(".*^b")),
|
|
"'^' can only appear at the beginning");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("$$")),
|
|
"'$' can only appear at the end");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("^$a")),
|
|
"'$' can only appear at the end");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("a(b")),
|
|
"'(' is unsupported");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("ab)")),
|
|
"')' is unsupported");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("[ab")),
|
|
"'[' is unsupported");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("a{2")),
|
|
"'{' is unsupported");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("?")),
|
|
"'?' can only follow a repeatable token");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("^*")),
|
|
"'*' can only follow a repeatable token");
|
|
EXPECT_NONFATAL_FAILURE(ASSERT_FALSE(ValidateRegex("5*+")),
|
|
"'+' can only follow a repeatable token");
|
|
}
|
|
|
|
TEST(ValidateRegexTest, ReturnsTrueForValid) {
|
|
EXPECT_TRUE(ValidateRegex(""));
|
|
EXPECT_TRUE(ValidateRegex("a"));
|
|
EXPECT_TRUE(ValidateRegex(".*"));
|
|
EXPECT_TRUE(ValidateRegex("^a_+"));
|
|
EXPECT_TRUE(ValidateRegex("^a\\t\\&?"));
|
|
EXPECT_TRUE(ValidateRegex("09*$"));
|
|
EXPECT_TRUE(ValidateRegex("^Z$"));
|
|
EXPECT_TRUE(ValidateRegex("a\\^Z\\$\\(\\)\\|\\[\\]\\{\\}"));
|
|
}
|
|
|
|
TEST(MatchRepetitionAndRegexAtHeadTest, WorksForZeroOrOne) {
|
|
EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, 'a', '?', "a", "ba"));
|
|
// Repeating more than once.
|
|
EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, 'a', '?', "b", "aab"));
|
|
|
|
// Repeating zero times.
|
|
EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, 'a', '?', "b", "ba"));
|
|
// Repeating once.
|
|
EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, 'a', '?', "b", "ab"));
|
|
EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, '#', '?', ".", "##"));
|
|
}
|
|
|
|
TEST(MatchRepetitionAndRegexAtHeadTest, WorksForZeroOrMany) {
|
|
EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, '.', '*', "a$", "baab"));
|
|
|
|
// Repeating zero times.
|
|
EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, '.', '*', "b", "bc"));
|
|
// Repeating once.
|
|
EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, '.', '*', "b", "abc"));
|
|
// Repeating more than once.
|
|
EXPECT_TRUE(MatchRepetitionAndRegexAtHead(true, 'w', '*', "-", "ab_1-g"));
|
|
}
|
|
|
|
TEST(MatchRepetitionAndRegexAtHeadTest, WorksForOneOrMany) {
|
|
EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, '.', '+', "a$", "baab"));
|
|
// Repeating zero times.
|
|
EXPECT_FALSE(MatchRepetitionAndRegexAtHead(false, '.', '+', "b", "bc"));
|
|
|
|
// Repeating once.
|
|
EXPECT_TRUE(MatchRepetitionAndRegexAtHead(false, '.', '+', "b", "abc"));
|
|
// Repeating more than once.
|
|
EXPECT_TRUE(MatchRepetitionAndRegexAtHead(true, 'w', '+', "-", "ab_1-g"));
|
|
}
|
|
|
|
TEST(MatchRegexAtHeadTest, ReturnsTrueForEmptyRegex) {
|
|
EXPECT_TRUE(MatchRegexAtHead("", ""));
|
|
EXPECT_TRUE(MatchRegexAtHead("", "ab"));
|
|
}
|
|
|
|
TEST(MatchRegexAtHeadTest, WorksWhenDollarIsInRegex) {
|
|
EXPECT_FALSE(MatchRegexAtHead("$", "a"));
|
|
|
|
EXPECT_TRUE(MatchRegexAtHead("$", ""));
|
|
EXPECT_TRUE(MatchRegexAtHead("a$", "a"));
|
|
}
|
|
|
|
TEST(MatchRegexAtHeadTest, WorksWhenRegexStartsWithEscapeSequence) {
|
|
EXPECT_FALSE(MatchRegexAtHead("\\w", "+"));
|
|
EXPECT_FALSE(MatchRegexAtHead("\\W", "ab"));
|
|
|
|
EXPECT_TRUE(MatchRegexAtHead("\\sa", "\nab"));
|
|
EXPECT_TRUE(MatchRegexAtHead("\\d", "1a"));
|
|
}
|
|
|
|
TEST(MatchRegexAtHeadTest, WorksWhenRegexStartsWithRepetition) {
|
|
EXPECT_FALSE(MatchRegexAtHead(".+a", "abc"));
|
|
EXPECT_FALSE(MatchRegexAtHead("a?b", "aab"));
|
|
|
|
EXPECT_TRUE(MatchRegexAtHead(".*a", "bc12-ab"));
|
|
EXPECT_TRUE(MatchRegexAtHead("a?b", "b"));
|
|
EXPECT_TRUE(MatchRegexAtHead("a?b", "ab"));
|
|
}
|
|
|
|
TEST(MatchRegexAtHeadTest,
|
|
WorksWhenRegexStartsWithRepetionOfEscapeSequence) {
|
|
EXPECT_FALSE(MatchRegexAtHead("\\.+a", "abc"));
|
|
EXPECT_FALSE(MatchRegexAtHead("\\s?b", " b"));
|
|
|
|
EXPECT_TRUE(MatchRegexAtHead("\\(*a", "((((ab"));
|
|
EXPECT_TRUE(MatchRegexAtHead("\\^?b", "^b"));
|
|
EXPECT_TRUE(MatchRegexAtHead("\\\\?b", "b"));
|
|
EXPECT_TRUE(MatchRegexAtHead("\\\\?b", "\\b"));
|
|
}
|
|
|
|
TEST(MatchRegexAtHeadTest, MatchesSequentially) {
|
|
EXPECT_FALSE(MatchRegexAtHead("ab.*c", "acabc"));
|
|
|
|
EXPECT_TRUE(MatchRegexAtHead("ab.*c", "ab-fsc"));
|
|
}
|
|
|
|
TEST(MatchRegexAnywhereTest, ReturnsFalseWhenStringIsNull) {
|
|
EXPECT_FALSE(MatchRegexAnywhere("", NULL));
|
|
}
|
|
|
|
TEST(MatchRegexAnywhereTest, WorksWhenRegexStartsWithCaret) {
|
|
EXPECT_FALSE(MatchRegexAnywhere("^a", "ba"));
|
|
EXPECT_FALSE(MatchRegexAnywhere("^$", "a"));
|
|
|
|
EXPECT_TRUE(MatchRegexAnywhere("^a", "ab"));
|
|
EXPECT_TRUE(MatchRegexAnywhere("^", "ab"));
|
|
EXPECT_TRUE(MatchRegexAnywhere("^$", ""));
|
|
}
|
|
|
|
TEST(MatchRegexAnywhereTest, ReturnsFalseWhenNoMatch) {
|
|
EXPECT_FALSE(MatchRegexAnywhere("a", "bcde123"));
|
|
EXPECT_FALSE(MatchRegexAnywhere("a.+a", "--aa88888888"));
|
|
}
|
|
|
|
TEST(MatchRegexAnywhereTest, ReturnsTrueWhenMatchingPrefix) {
|
|
EXPECT_TRUE(MatchRegexAnywhere("\\w+", "ab1_ - 5"));
|
|
EXPECT_TRUE(MatchRegexAnywhere(".*=", "="));
|
|
EXPECT_TRUE(MatchRegexAnywhere("x.*ab?.*bc", "xaaabc"));
|
|
}
|
|
|
|
TEST(MatchRegexAnywhereTest, ReturnsTrueWhenMatchingNonPrefix) {
|
|
EXPECT_TRUE(MatchRegexAnywhere("\\w+", "$$$ ab1_ - 5"));
|
|
EXPECT_TRUE(MatchRegexAnywhere("\\.+=", "= ...="));
|
|
}
|
|
|
|
// Tests RE's implicit constructors.
|
|
TEST(RETest, ImplicitConstructorWorks) {
|
|
const RE empty("");
|
|
EXPECT_STREQ("", empty.pattern());
|
|
|
|
const RE simple("hello");
|
|
EXPECT_STREQ("hello", simple.pattern());
|
|
}
|
|
|
|
// Tests that RE's constructors reject invalid regular expressions.
|
|
TEST(RETest, RejectsInvalidRegex) {
|
|
EXPECT_NONFATAL_FAILURE({
|
|
const RE normal(NULL);
|
|
}, "NULL is not a valid simple regular expression");
|
|
|
|
EXPECT_NONFATAL_FAILURE({
|
|
const RE normal(".*(\\w+");
|
|
}, "'(' is unsupported");
|
|
|
|
EXPECT_NONFATAL_FAILURE({
|
|
const RE invalid("^?");
|
|
}, "'?' can only follow a repeatable token");
|
|
}
|
|
|
|
// Tests RE::FullMatch().
|
|
TEST(RETest, FullMatchWorks) {
|
|
const RE empty("");
|
|
EXPECT_TRUE(RE::FullMatch("", empty));
|
|
EXPECT_FALSE(RE::FullMatch("a", empty));
|
|
|
|
const RE re1("a");
|
|
EXPECT_TRUE(RE::FullMatch("a", re1));
|
|
|
|
const RE re("a.*z");
|
|
EXPECT_TRUE(RE::FullMatch("az", re));
|
|
EXPECT_TRUE(RE::FullMatch("axyz", re));
|
|
EXPECT_FALSE(RE::FullMatch("baz", re));
|
|
EXPECT_FALSE(RE::FullMatch("azy", re));
|
|
}
|
|
|
|
// Tests RE::PartialMatch().
|
|
TEST(RETest, PartialMatchWorks) {
|
|
const RE empty("");
|
|
EXPECT_TRUE(RE::PartialMatch("", empty));
|
|
EXPECT_TRUE(RE::PartialMatch("a", empty));
|
|
|
|
const RE re("a.*z");
|
|
EXPECT_TRUE(RE::PartialMatch("az", re));
|
|
EXPECT_TRUE(RE::PartialMatch("axyz", re));
|
|
EXPECT_TRUE(RE::PartialMatch("baz", re));
|
|
EXPECT_TRUE(RE::PartialMatch("azy", re));
|
|
EXPECT_FALSE(RE::PartialMatch("zza", re));
|
|
}
|
|
|
|
#endif // GTEST_USES_POSIX_RE
|
|
|
|
#if !GTEST_OS_WINDOWS_MOBILE
|
|
|
|
TEST(CaptureTest, CapturesStdout) {
|
|
CaptureStdout();
|
|
fprintf(stdout, "abc");
|
|
EXPECT_STREQ("abc", GetCapturedStdout().c_str());
|
|
|
|
CaptureStdout();
|
|
fprintf(stdout, "def%cghi", '\0');
|
|
EXPECT_EQ(::std::string("def\0ghi", 7), ::std::string(GetCapturedStdout()));
|
|
}
|
|
|
|
TEST(CaptureTest, CapturesStderr) {
|
|
CaptureStderr();
|
|
fprintf(stderr, "jkl");
|
|
EXPECT_STREQ("jkl", GetCapturedStderr().c_str());
|
|
|
|
CaptureStderr();
|
|
fprintf(stderr, "jkl%cmno", '\0');
|
|
EXPECT_EQ(::std::string("jkl\0mno", 7), ::std::string(GetCapturedStderr()));
|
|
}
|
|
|
|
// Tests that stdout and stderr capture don't interfere with each other.
|
|
TEST(CaptureTest, CapturesStdoutAndStderr) {
|
|
CaptureStdout();
|
|
CaptureStderr();
|
|
fprintf(stdout, "pqr");
|
|
fprintf(stderr, "stu");
|
|
EXPECT_STREQ("pqr", GetCapturedStdout().c_str());
|
|
EXPECT_STREQ("stu", GetCapturedStderr().c_str());
|
|
}
|
|
|
|
TEST(CaptureDeathTest, CannotReenterStdoutCapture) {
|
|
CaptureStdout();
|
|
EXPECT_DEATH_IF_SUPPORTED(CaptureStdout(),
|
|
"Only one stdout capturer can exist at a time");
|
|
GetCapturedStdout();
|
|
|
|
// We cannot test stderr capturing using death tests as they use it
|
|
// themselves.
|
|
}
|
|
|
|
#endif // !GTEST_OS_WINDOWS_MOBILE
|
|
|
|
TEST(ThreadLocalTest, DefaultConstructorInitializesToDefaultValues) {
|
|
ThreadLocal<int> t1;
|
|
EXPECT_EQ(0, t1.get());
|
|
|
|
ThreadLocal<void*> t2;
|
|
EXPECT_TRUE(t2.get() == NULL);
|
|
}
|
|
|
|
TEST(ThreadLocalTest, SingleParamConstructorInitializesToParam) {
|
|
ThreadLocal<int> t1(123);
|
|
EXPECT_EQ(123, t1.get());
|
|
|
|
int i = 0;
|
|
ThreadLocal<int*> t2(&i);
|
|
EXPECT_EQ(&i, t2.get());
|
|
}
|
|
|
|
class NoDefaultContructor {
|
|
public:
|
|
explicit NoDefaultContructor(const char*) {}
|
|
NoDefaultContructor(const NoDefaultContructor&) {}
|
|
};
|
|
|
|
TEST(ThreadLocalTest, ValueDefaultContructorIsNotRequiredForParamVersion) {
|
|
ThreadLocal<NoDefaultContructor> bar(NoDefaultContructor("foo"));
|
|
bar.pointer();
|
|
}
|
|
|
|
TEST(ThreadLocalTest, GetAndPointerReturnSameValue) {
|
|
ThreadLocal<std::string> thread_local_string;
|
|
|
|
EXPECT_EQ(thread_local_string.pointer(), &(thread_local_string.get()));
|
|
|
|
// Verifies the condition still holds after calling set.
|
|
thread_local_string.set("foo");
|
|
EXPECT_EQ(thread_local_string.pointer(), &(thread_local_string.get()));
|
|
}
|
|
|
|
TEST(ThreadLocalTest, PointerAndConstPointerReturnSameValue) {
|
|
ThreadLocal<std::string> thread_local_string;
|
|
const ThreadLocal<std::string>& const_thread_local_string =
|
|
thread_local_string;
|
|
|
|
EXPECT_EQ(thread_local_string.pointer(), const_thread_local_string.pointer());
|
|
|
|
thread_local_string.set("foo");
|
|
EXPECT_EQ(thread_local_string.pointer(), const_thread_local_string.pointer());
|
|
}
|
|
|
|
#if GTEST_IS_THREADSAFE
|
|
|
|
void AddTwo(int* param) { *param += 2; }
|
|
|
|
TEST(ThreadWithParamTest, ConstructorExecutesThreadFunc) {
|
|
int i = 40;
|
|
ThreadWithParam<int*> thread(&AddTwo, &i, NULL);
|
|
thread.Join();
|
|
EXPECT_EQ(42, i);
|
|
}
|
|
|
|
TEST(MutexDeathTest, AssertHeldShouldAssertWhenNotLocked) {
|
|
// AssertHeld() is flaky only in the presence of multiple threads accessing
|
|
// the lock. In this case, the test is robust.
|
|
EXPECT_DEATH_IF_SUPPORTED({
|
|
Mutex m;
|
|
{ MutexLock lock(&m); }
|
|
m.AssertHeld();
|
|
},
|
|
"thread .*hold");
|
|
}
|
|
|
|
TEST(MutexTest, AssertHeldShouldNotAssertWhenLocked) {
|
|
Mutex m;
|
|
MutexLock lock(&m);
|
|
m.AssertHeld();
|
|
}
|
|
|
|
class AtomicCounterWithMutex {
|
|
public:
|
|
explicit AtomicCounterWithMutex(Mutex* mutex) :
|
|
value_(0), mutex_(mutex), random_(42) {}
|
|
|
|
void Increment() {
|
|
MutexLock lock(mutex_);
|
|
int temp = value_;
|
|
{
|
|
// Locking a mutex puts up a memory barrier, preventing reads and
|
|
// writes to value_ rearranged when observed from other threads.
|
|
//
|
|
// We cannot use Mutex and MutexLock here or rely on their memory
|
|
// barrier functionality as we are testing them here.
|
|
pthread_mutex_t memory_barrier_mutex;
|
|
GTEST_CHECK_POSIX_SUCCESS_(
|
|
pthread_mutex_init(&memory_barrier_mutex, NULL));
|
|
GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_lock(&memory_barrier_mutex));
|
|
|
|
SleepMilliseconds(random_.Generate(30));
|
|
|
|
GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_unlock(&memory_barrier_mutex));
|
|
GTEST_CHECK_POSIX_SUCCESS_(pthread_mutex_destroy(&memory_barrier_mutex));
|
|
}
|
|
value_ = temp + 1;
|
|
}
|
|
int value() const { return value_; }
|
|
|
|
private:
|
|
volatile int value_;
|
|
Mutex* const mutex_; // Protects value_.
|
|
Random random_;
|
|
};
|
|
|
|
void CountingThreadFunc(pair<AtomicCounterWithMutex*, int> param) {
|
|
for (int i = 0; i < param.second; ++i)
|
|
param.first->Increment();
|
|
}
|
|
|
|
// Tests that the mutex only lets one thread at a time to lock it.
|
|
TEST(MutexTest, OnlyOneThreadCanLockAtATime) {
|
|
Mutex mutex;
|
|
AtomicCounterWithMutex locked_counter(&mutex);
|
|
|
|
typedef ThreadWithParam<pair<AtomicCounterWithMutex*, int> > ThreadType;
|
|
const int kCycleCount = 20;
|
|
const int kThreadCount = 7;
|
|
scoped_ptr<ThreadType> counting_threads[kThreadCount];
|
|
Notification threads_can_start;
|
|
// Creates and runs kThreadCount threads that increment locked_counter
|
|
// kCycleCount times each.
|
|
for (int i = 0; i < kThreadCount; ++i) {
|
|
counting_threads[i].reset(new ThreadType(&CountingThreadFunc,
|
|
make_pair(&locked_counter,
|
|
kCycleCount),
|
|
&threads_can_start));
|
|
}
|
|
threads_can_start.Notify();
|
|
for (int i = 0; i < kThreadCount; ++i)
|
|
counting_threads[i]->Join();
|
|
|
|
// If the mutex lets more than one thread to increment the counter at a
|
|
// time, they are likely to encounter a race condition and have some
|
|
// increments overwritten, resulting in the lower then expected counter
|
|
// value.
|
|
EXPECT_EQ(kCycleCount * kThreadCount, locked_counter.value());
|
|
}
|
|
|
|
template <typename T>
|
|
void RunFromThread(void (func)(T), T param) {
|
|
ThreadWithParam<T> thread(func, param, NULL);
|
|
thread.Join();
|
|
}
|
|
|
|
void RetrieveThreadLocalValue(
|
|
pair<ThreadLocal<std::string>*, std::string*> param) {
|
|
*param.second = param.first->get();
|
|
}
|
|
|
|
TEST(ThreadLocalTest, ParameterizedConstructorSetsDefault) {
|
|
ThreadLocal<std::string> thread_local_string("foo");
|
|
EXPECT_STREQ("foo", thread_local_string.get().c_str());
|
|
|
|
thread_local_string.set("bar");
|
|
EXPECT_STREQ("bar", thread_local_string.get().c_str());
|
|
|
|
std::string result;
|
|
RunFromThread(&RetrieveThreadLocalValue,
|
|
make_pair(&thread_local_string, &result));
|
|
EXPECT_STREQ("foo", result.c_str());
|
|
}
|
|
|
|
// DestructorTracker keeps track of whether its instances have been
|
|
// destroyed.
|
|
static std::vector<bool> g_destroyed;
|
|
|
|
class DestructorTracker {
|
|
public:
|
|
DestructorTracker() : index_(GetNewIndex()) {}
|
|
DestructorTracker(const DestructorTracker& /* rhs */)
|
|
: index_(GetNewIndex()) {}
|
|
~DestructorTracker() {
|
|
// We never access g_destroyed concurrently, so we don't need to
|
|
// protect the write operation under a mutex.
|
|
g_destroyed[index_] = true;
|
|
}
|
|
|
|
private:
|
|
static int GetNewIndex() {
|
|
g_destroyed.push_back(false);
|
|
return g_destroyed.size() - 1;
|
|
}
|
|
const int index_;
|
|
};
|
|
|
|
typedef ThreadLocal<DestructorTracker>* ThreadParam;
|
|
|
|
void CallThreadLocalGet(ThreadParam thread_local_param) {
|
|
thread_local_param->get();
|
|
}
|
|
|
|
// Tests that when a ThreadLocal object dies in a thread, it destroys
|
|
// the managed object for that thread.
|
|
TEST(ThreadLocalTest, DestroysManagedObjectForOwnThreadWhenDying) {
|
|
g_destroyed.clear();
|
|
|
|
{
|
|
// The next line default constructs a DestructorTracker object as
|
|
// the default value of objects managed by thread_local_tracker.
|
|
ThreadLocal<DestructorTracker> thread_local_tracker;
|
|
ASSERT_EQ(1U, g_destroyed.size());
|
|
ASSERT_FALSE(g_destroyed[0]);
|
|
|
|
// This creates another DestructorTracker object for the main thread.
|
|
thread_local_tracker.get();
|
|
ASSERT_EQ(2U, g_destroyed.size());
|
|
ASSERT_FALSE(g_destroyed[0]);
|
|
ASSERT_FALSE(g_destroyed[1]);
|
|
}
|
|
|
|
// Now thread_local_tracker has died. It should have destroyed both the
|
|
// default value shared by all threads and the value for the main
|
|
// thread.
|
|
ASSERT_EQ(2U, g_destroyed.size());
|
|
EXPECT_TRUE(g_destroyed[0]);
|
|
EXPECT_TRUE(g_destroyed[1]);
|
|
|
|
g_destroyed.clear();
|
|
}
|
|
|
|
// Tests that when a thread exits, the thread-local object for that
|
|
// thread is destroyed.
|
|
TEST(ThreadLocalTest, DestroysManagedObjectAtThreadExit) {
|
|
g_destroyed.clear();
|
|
|
|
{
|
|
// The next line default constructs a DestructorTracker object as
|
|
// the default value of objects managed by thread_local_tracker.
|
|
ThreadLocal<DestructorTracker> thread_local_tracker;
|
|
ASSERT_EQ(1U, g_destroyed.size());
|
|
ASSERT_FALSE(g_destroyed[0]);
|
|
|
|
// This creates another DestructorTracker object in the new thread.
|
|
ThreadWithParam<ThreadParam> thread(
|
|
&CallThreadLocalGet, &thread_local_tracker, NULL);
|
|
thread.Join();
|
|
|
|
// Now the new thread has exited. The per-thread object for it
|
|
// should have been destroyed.
|
|
ASSERT_EQ(2U, g_destroyed.size());
|
|
ASSERT_FALSE(g_destroyed[0]);
|
|
ASSERT_TRUE(g_destroyed[1]);
|
|
}
|
|
|
|
// Now thread_local_tracker has died. The default value should have been
|
|
// destroyed too.
|
|
ASSERT_EQ(2U, g_destroyed.size());
|
|
EXPECT_TRUE(g_destroyed[0]);
|
|
EXPECT_TRUE(g_destroyed[1]);
|
|
|
|
g_destroyed.clear();
|
|
}
|
|
|
|
TEST(ThreadLocalTest, ThreadLocalMutationsAffectOnlyCurrentThread) {
|
|
ThreadLocal<std::string> thread_local_string;
|
|
thread_local_string.set("Foo");
|
|
EXPECT_STREQ("Foo", thread_local_string.get().c_str());
|
|
|
|
std::string result;
|
|
RunFromThread(&RetrieveThreadLocalValue,
|
|
make_pair(&thread_local_string, &result));
|
|
EXPECT_TRUE(result.empty());
|
|
}
|
|
|
|
#endif // GTEST_IS_THREADSAFE
|
|
|
|
} // namespace internal
|
|
} // namespace testing
|