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Posted to commits@orc.apache.org by om...@apache.org on 2015/06/22 22:16:40 UTC
[02/51] [partial] orc git commit: ORC-3. Import c++ code from github.
http://git-wip-us.apache.org/repos/asf/orc/blob/7de5d89d/c++/libs/gmock-1.7.0/gtest/test/gtest-port_test.cc
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diff --git a/c++/libs/gmock-1.7.0/gtest/test/gtest-port_test.cc b/c++/libs/gmock-1.7.0/gtest/test/gtest-port_test.cc
new file mode 100644
index 0000000..43f1f20
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+++ b/c++/libs/gmock-1.7.0/gtest/test/gtest-port_test.cc
@@ -0,0 +1,1253 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Authors: vladl@google.com (Vlad Losev), wan@google.com (Zhanyong Wan)
+//
+// This file tests the internal cross-platform support utilities.
+
+#include "gtest/internal/gtest-port.h"
+
+#include <stdio.h>
+
+#if GTEST_OS_MAC
+# include <time.h>
+#endif // GTEST_OS_MAC
+
+#include <list>
+#include <utility> // For std::pair and std::make_pair.
+#include <vector>
+
+#include "gtest/gtest.h"
+#include "gtest/gtest-spi.h"
+
+// Indicates that this translation unit is part of Google Test's
+// implementation. It must come before gtest-internal-inl.h is
+// included, or there will be a compiler error. This trick is to
+// prevent a user from accidentally including gtest-internal-inl.h in
+// his code.
+#define GTEST_IMPLEMENTATION_ 1
+#include "src/gtest-internal-inl.h"
+#undef GTEST_IMPLEMENTATION_
+
+using std::make_pair;
+using std::pair;
+
+namespace testing {
+namespace internal {
+
+TEST(IsXDigitTest, WorksForNarrowAscii) {
+ EXPECT_TRUE(IsXDigit('0'));
+ EXPECT_TRUE(IsXDigit('9'));
+ EXPECT_TRUE(IsXDigit('A'));
+ EXPECT_TRUE(IsXDigit('F'));
+ EXPECT_TRUE(IsXDigit('a'));
+ EXPECT_TRUE(IsXDigit('f'));
+
+ EXPECT_FALSE(IsXDigit('-'));
+ EXPECT_FALSE(IsXDigit('g'));
+ EXPECT_FALSE(IsXDigit('G'));
+}
+
+TEST(IsXDigitTest, ReturnsFalseForNarrowNonAscii) {
+ EXPECT_FALSE(IsXDigit(static_cast<char>(0x80)));
+ EXPECT_FALSE(IsXDigit(static_cast<char>('0' | 0x80)));
+}
+
+TEST(IsXDigitTest, WorksForWideAscii) {
+ EXPECT_TRUE(IsXDigit(L'0'));
+ EXPECT_TRUE(IsXDigit(L'9'));
+ EXPECT_TRUE(IsXDigit(L'A'));
+ EXPECT_TRUE(IsXDigit(L'F'));
+ EXPECT_TRUE(IsXDigit(L'a'));
+ EXPECT_TRUE(IsXDigit(L'f'));
+
+ EXPECT_FALSE(IsXDigit(L'-'));
+ EXPECT_FALSE(IsXDigit(L'g'));
+ EXPECT_FALSE(IsXDigit(L'G'));
+}
+
+TEST(IsXDigitTest, ReturnsFalseForWideNonAscii) {
+ EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(0x80)));
+ EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(L'0' | 0x80)));
+ EXPECT_FALSE(IsXDigit(static_cast<wchar_t>(L'0' | 0x100)));
+}
+
+class Base {
+ public:
+ // Copy constructor and assignment operator do exactly what we need, so we
+ // use them.
+ Base() : member_(0) {}
+ explicit Base(int n) : member_(n) {}
+ virtual ~Base() {}
+ int member() { return member_; }
+
+ private:
+ int member_;
+};
+
+class Derived : public Base {
+ public:
+ explicit Derived(int n) : Base(n) {}
+};
+
+TEST(ImplicitCastTest, ConvertsPointers) {
+ Derived derived(0);
+ EXPECT_TRUE(&derived == ::testing::internal::ImplicitCast_<Base*>(&derived));
+}
+
+TEST(ImplicitCastTest, CanUseInheritance) {
+ Derived derived(1);
+ Base base = ::testing::internal::ImplicitCast_<Base>(derived);
+ EXPECT_EQ(derived.member(), base.member());
+}
+
+class Castable {
+ public:
+ explicit Castable(bool* converted) : converted_(converted) {}
+ operator Base() {
+ *converted_ = true;
+ return Base();
+ }
+
+ private:
+ bool* converted_;
+};
+
+TEST(ImplicitCastTest, CanUseNonConstCastOperator) {
+ bool converted = false;
+ Castable castable(&converted);
+ Base base = ::testing::internal::ImplicitCast_<Base>(castable);
+ EXPECT_TRUE(converted);
+}
+
+class ConstCastable {
+ public:
+ explicit ConstCastable(bool* converted) : converted_(converted) {}
+ operator Base() const {
+ *converted_ = true;
+ return Base();
+ }
+
+ private:
+ bool* converted_;
+};
+
+TEST(ImplicitCastTest, CanUseConstCastOperatorOnConstValues) {
+ bool converted = false;
+ const ConstCastable const_castable(&converted);
+ Base base = ::testing::internal::ImplicitCast_<Base>(const_castable);
+ EXPECT_TRUE(converted);
+}
+
+class ConstAndNonConstCastable {
+ public:
+ ConstAndNonConstCastable(bool* converted, bool* const_converted)
+ : converted_(converted), const_converted_(const_converted) {}
+ operator Base() {
+ *converted_ = true;
+ return Base();
+ }
+ operator Base() const {
+ *const_converted_ = true;
+ return Base();
+ }
+
+ private:
+ bool* converted_;
+ bool* const_converted_;
+};
+
+TEST(ImplicitCastTest, CanSelectBetweenConstAndNonConstCasrAppropriately) {
+ bool converted = false;
+ bool const_converted = false;
+ ConstAndNonConstCastable castable(&converted, &const_converted);
+ Base base = ::testing::internal::ImplicitCast_<Base>(castable);
+ EXPECT_TRUE(converted);
+ EXPECT_FALSE(const_converted);
+
+ converted = false;
+ const_converted = false;
+ const ConstAndNonConstCastable const_castable(&converted, &const_converted);
+ base = ::testing::internal::ImplicitCast_<Base>(const_castable);
+ EXPECT_FALSE(converted);
+ EXPECT_TRUE(const_converted);
+}
+
+class To {
+ public:
+ To(bool* converted) { *converted = true; } // NOLINT
+};
+
+TEST(ImplicitCastTest, CanUseImplicitConstructor) {
+ bool converted = false;
+ To to = ::testing::internal::ImplicitCast_<To>(&converted);
+ (void)to;
+ EXPECT_TRUE(converted);
+}
+
+TEST(IteratorTraitsTest, WorksForSTLContainerIterators) {
+ StaticAssertTypeEq<int,
+ IteratorTraits< ::std::vector<int>::const_iterator>::value_type>();
+ StaticAssertTypeEq<bool,
+ IteratorTraits< ::std::list<bool>::iterator>::value_type>();
+}
+
+TEST(IteratorTraitsTest, WorksForPointerToNonConst) {
+ StaticAssertTypeEq<char, IteratorTraits<char*>::value_type>();
+ StaticAssertTypeEq<const void*, IteratorTraits<const void**>::value_type>();
+}
+
+TEST(IteratorTraitsTest, WorksForPointerToConst) {
+ StaticAssertTypeEq<char, IteratorTraits<const char*>::value_type>();
+ StaticAssertTypeEq<const void*,
+ IteratorTraits<const void* const*>::value_type>();
+}
+
+// Tests that the element_type typedef is available in scoped_ptr and refers
+// to the parameter type.
+TEST(ScopedPtrTest, DefinesElementType) {
+ StaticAssertTypeEq<int, ::testing::internal::scoped_ptr<int>::element_type>();
+}
+
+// TODO(vladl@google.com): Implement THE REST of scoped_ptr tests.
+
+TEST(GtestCheckSyntaxTest, BehavesLikeASingleStatement) {
+ if (AlwaysFalse())
+ GTEST_CHECK_(false) << "This should never be executed; "
+ "It's a compilation test only.";
+
+ if (AlwaysTrue())
+ GTEST_CHECK_(true);
+ else
+ ; // NOLINT
+
+ if (AlwaysFalse())
+ ; // NOLINT
+ else
+ GTEST_CHECK_(true) << "";
+}
+
+TEST(GtestCheckSyntaxTest, WorksWithSwitch) {
+ switch (0) {
+ case 1:
+ break;
+ default:
+ GTEST_CHECK_(true);
+ }
+
+ switch (0)
+ case 0:
+ GTEST_CHECK_(true) << "Check failed in switch case";
+}
+
+// Verifies behavior of FormatFileLocation.
+TEST(FormatFileLocationTest, FormatsFileLocation) {
+ EXPECT_PRED_FORMAT2(IsSubstring, "foo.cc", FormatFileLocation("foo.cc", 42));
+ EXPECT_PRED_FORMAT2(IsSubstring, "42", FormatFileLocation("foo.cc", 42));
+}
+
+TEST(FormatFileLocationTest, FormatsUnknownFile) {
+ EXPECT_PRED_FORMAT2(
+ IsSubstring, "unknown file", FormatFileLocation(NULL, 42));
+ EXPECT_PRED_FORMAT2(IsSubstring, "42", FormatFileLocation(NULL, 42));
+}
+
+TEST(FormatFileLocationTest, FormatsUknownLine) {
+ EXPECT_EQ("foo.cc:", FormatFileLocation("foo.cc", -1));
+}
+
+TEST(FormatFileLocationTest, FormatsUknownFileAndLine) {
+ EXPECT_EQ("unknown file:", FormatFileLocation(NULL, -1));
+}
+
+// Verifies behavior of FormatCompilerIndependentFileLocation.
+TEST(FormatCompilerIndependentFileLocationTest, FormatsFileLocation) {
+ EXPECT_EQ("foo.cc:42", FormatCompilerIndependentFileLocation("foo.cc", 42));
+}
+
+TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownFile) {
+ EXPECT_EQ("unknown file:42",
+ FormatCompilerIndependentFileLocation(NULL, 42));
+}
+
+TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownLine) {
+ EXPECT_EQ("foo.cc", FormatCompilerIndependentFileLocation("foo.cc", -1));
+}
+
+TEST(FormatCompilerIndependentFileLocationTest, FormatsUknownFileAndLine) {
+ EXPECT_EQ("unknown file", FormatCompilerIndependentFileLocation(NULL, -1));
+}
+
+#if GTEST_OS_MAC || GTEST_OS_QNX
+void* ThreadFunc(void* data) {
+ pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data);
+ pthread_mutex_lock(mutex);
+ pthread_mutex_unlock(mutex);
+ return NULL;
+}
+
+TEST(GetThreadCountTest, ReturnsCorrectValue) {
+ EXPECT_EQ(1U, GetThreadCount());
+ pthread_mutex_t mutex;
+ pthread_attr_t attr;
+ pthread_t thread_id;
+
+ // TODO(vladl@google.com): turn mutex into internal::Mutex for automatic
+ // destruction.
+ pthread_mutex_init(&mutex, NULL);
+ pthread_mutex_lock(&mutex);
+ ASSERT_EQ(0, pthread_attr_init(&attr));
+ ASSERT_EQ(0, pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE));
+
+ const int status = pthread_create(&thread_id, &attr, &ThreadFunc, &mutex);
+ ASSERT_EQ(0, pthread_attr_destroy(&attr));
+ ASSERT_EQ(0, status);
+ EXPECT_EQ(2U, GetThreadCount());
+ pthread_mutex_unlock(&mutex);
+
+ void* dummy;
+ ASSERT_EQ(0, pthread_join(thread_id, &dummy));
+
+# if GTEST_OS_MAC
+
+ // MacOS X may not immediately report the updated thread count after
+ // joining a thread, causing flakiness in this test. To counter that, we
+ // wait for up to .5 seconds for the OS to report the correct value.
+ for (int i = 0; i < 5; ++i) {
+ if (GetThreadCount() == 1)
+ break;
+
+ SleepMilliseconds(100);
+ }
+
+# endif // GTEST_OS_MAC
+
+ EXPECT_EQ(1U, GetThreadCount());
+ pthread_mutex_destroy(&mutex);
+}
+#else
+TEST(GetThreadCountTest, ReturnsZeroWhenUnableToCountThreads) {
+ EXPECT_EQ(0U, GetThreadCount());
+}
+#endif // GTEST_OS_MAC || GTEST_OS_QNX
+
+TEST(GtestCheckDeathTest, DiesWithCorrectOutputOnFailure) {
+ const bool a_false_condition = false;
+ const char regex[] =
+#ifdef _MSC_VER
+ "gtest-port_test\\.cc\\(\\d+\\):"
+#elif GTEST_USES_POSIX_RE
+ "gtest-port_test\\.cc:[0-9]+"
+#else
+ "gtest-port_test\\.cc:\\d+"
+#endif // _MSC_VER
+ ".*a_false_condition.*Extra info.*";
+
+ EXPECT_DEATH_IF_SUPPORTED(GTEST_CHECK_(a_false_condition) << "Extra info",
+ regex);
+}
+
+#if GTEST_HAS_DEATH_TEST
+
+TEST(GtestCheckDeathTest, LivesSilentlyOnSuccess) {
+ EXPECT_EXIT({
+ GTEST_CHECK_(true) << "Extra info";
+ ::std::cerr << "Success\n";
+ exit(0); },
+ ::testing::ExitedWithCode(0), "Success");
+}
+
+#endif // GTEST_HAS_DEATH_TEST
+
+// Verifies that Google Test choose regular expression engine appropriate to
+// the platform. The test will produce compiler errors in case of failure.
+// For simplicity, we only cover the most important platforms here.
+TEST(RegexEngineSelectionTest, SelectsCorrectRegexEngine) {
+#if GTEST_HAS_POSIX_RE
+
+ EXPECT_TRUE(GTEST_USES_POSIX_RE);
+
+#else
+
+ EXPECT_TRUE(GTEST_USES_SIMPLE_RE);
+
+#endif
+}
+
+#if GTEST_USES_POSIX_RE
+
+# if GTEST_HAS_TYPED_TEST
+
+template <typename Str>
+class RETest : public ::testing::Test {};
+
+// Defines StringTypes as the list of all string types that class RE
+// supports.
+typedef testing::Types<
+ ::std::string,
+# if GTEST_HAS_GLOBAL_STRING
+ ::string,
+# endif // GTEST_HAS_GLOBAL_STRING
+ const char*> StringTypes;
+
+TYPED_TEST_CASE(RETest, StringTypes);
+
+// Tests RE's implicit constructors.
+TYPED_TEST(RETest, ImplicitConstructorWorks) {
+ const RE empty(TypeParam(""));
+ EXPECT_STREQ("", empty.pattern());
+
+ const RE simple(TypeParam("hello"));
+ EXPECT_STREQ("hello", simple.pattern());
+
+ const RE normal(TypeParam(".*(\\w+)"));
+ EXPECT_STREQ(".*(\\w+)", normal.pattern());
+}
+
+// Tests that RE's constructors reject invalid regular expressions.
+TYPED_TEST(RETest, RejectsInvalidRegex) {
+ EXPECT_NONFATAL_FAILURE({
+ const RE invalid(TypeParam("?"));
+ }, "\"?\" is not a valid POSIX Extended regular expression.");
+}
+
+// Tests RE::FullMatch().
+TYPED_TEST(RETest, FullMatchWorks) {
+ const RE empty(TypeParam(""));
+ EXPECT_TRUE(RE::FullMatch(TypeParam(""), empty));
+ EXPECT_FALSE(RE::FullMatch(TypeParam("a"), empty));
+
+ const RE re(TypeParam("a.*z"));
+ EXPECT_TRUE(RE::FullMatch(TypeParam("az"), re));
+ EXPECT_TRUE(RE::FullMatch(TypeParam("axyz"), re));
+ EXPECT_FALSE(RE::FullMatch(TypeParam("baz"), re));
+ EXPECT_FALSE(RE::FullMatch(TypeParam("azy"), re));
+}
+
+// Tests RE::PartialMatch().
+TYPED_TEST(RETest, PartialMatchWorks) {
+ const RE empty(TypeParam(""));
+ EXPECT_TRUE(RE::PartialMatch(TypeParam(""), empty));
+ EXPECT_TRUE(RE::PartialMatch(TypeParam("a"), empty));
+
+ const RE re(TypeParam("a.*z"));
+ EXPECT_TRUE(RE::PartialMatch(TypeParam("az"), re));
+ EXPECT_TRUE(RE::PartialMatch(TypeParam("axyz"), re));
+ EXPECT_TRUE(RE::PartialMatch(TypeParam("baz"), re));
+ EXPECT_TRUE(RE::PartialMatch(TypeParam("azy"), re));
+ EXPECT_FALSE(RE::PartialMatch(TypeParam("zza"), re));
+}
+
+# endif // GTEST_HAS_TYPED_TEST
+
+#elif GTEST_USES_SIMPLE_RE
+
+TEST(IsInSetTest, NulCharIsNotInAnySet) {
+ EXPECT_FALSE(IsInSet('\0', ""));
+ EXPECT_FALSE(IsInSet('\0', "\0"));
+ EXPECT_FALSE(IsInSet('\0', "a"));
+}
+
+TEST(IsInSetTest, WorksForNonNulChars) {
+ EXPECT_FALSE(IsInSet('a', "Ab"));
+ EXPECT_FALSE(IsInSet('c', ""));
+
+ EXPECT_TRUE(IsInSet('b', "bcd"));
+ EXPECT_TRUE(IsInSet('b', "ab"));
+}
+
+TEST(IsAsciiDigitTest, IsFalseForNonDigit) {
+ EXPECT_FALSE(IsAsciiDigit('\0'));
+ EXPECT_FALSE(IsAsciiDigit(' '));
+ EXPECT_FALSE(IsAsciiDigit('+'));
+ EXPECT_FALSE(IsAsciiDigit('-'));
+ EXPECT_FALSE(IsAsciiDigit('.'));
+ EXPECT_FALSE(IsAsciiDigit('a'));
+}
+
+TEST(IsAsciiDigitTest, IsTrueForDigit) {
+ EXPECT_TRUE(IsAsciiDigit('0'));
+ EXPECT_TRUE(IsAsciiDigit('1'));
+ EXPECT_TRUE(IsAsciiDigit('5'));
+ EXPECT_TRUE(IsAsciiDigit('9'));
+}
+
+TEST(IsAsciiPunctTest, IsFalseForNonPunct) {
+ EXPECT_FALSE(IsAsciiPunct('\0'));
+ EXPECT_FALSE(IsAsciiPunct(' '));
+ EXPECT_FALSE(IsAsciiPunct('\n'));
+ EXPECT_FALSE(IsAsciiPunct('a'));
+ EXPECT_FALSE(IsAsciiPunct('0'));
+}
+
+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