aboutsummaryrefslogtreecommitdiffstats
path: root/gtest/test/gtest-port_test.cc
diff options
context:
space:
mode:
Diffstat (limited to 'gtest/test/gtest-port_test.cc')
-rw-r--r--gtest/test/gtest-port_test.cc698
1 files changed, 698 insertions, 0 deletions
diff --git a/gtest/test/gtest-port_test.cc b/gtest/test/gtest-port_test.cc
new file mode 100644
index 0000000..d980b7c
--- /dev/null
+++ b/gtest/test/gtest-port_test.cc
@@ -0,0 +1,698 @@
+// 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>
+
+#if GTEST_OS_MAC
+#include <pthread.h>
+#include <time.h>
+#endif // GTEST_OS_MAC
+
+#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_
+
+namespace testing {
+namespace internal {
+
+TEST(GtestCheckSyntaxTest, BehavesLikeASingleStatement) {
+ if (false)
+ GTEST_CHECK_(false) << "This should never be executed; "
+ "It's a compilation test only.";
+
+ if (true)
+ GTEST_CHECK_(true);
+ else
+ ; // NOLINT
+
+ if (false)
+ ; // 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";
+}
+
+#if GTEST_OS_MAC
+void* ThreadFunc(void* data) {
+ pthread_mutex_t* mutex = reinterpret_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));
+
+ // 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;
+
+ timespec time;
+ time.tv_sec = 0;
+ time.tv_nsec = 100L * 1000 * 1000; // .1 seconds.
+ nanosleep(&time, NULL);
+ }
+ EXPECT_EQ(1U, GetThreadCount());
+ pthread_mutex_destroy(&mutex);
+}
+#else
+TEST(GetThreadCountTest, ReturnsZeroWhenUnableToCountThreads) {
+ EXPECT_EQ(0U, GetThreadCount());
+}
+#endif // GTEST_OS_MAC
+
+#if GTEST_HAS_DEATH_TEST
+
+TEST(GtestCheckDeathTest, DiesWithCorrectOutputOnFailure) {
+ const bool a_false_condition = false;
+ const char regex[] =
+#ifdef _MSC_VER
+ "gtest-port_test\\.cc\\(\\d+\\):"
+#else
+ "gtest-port_test\\.cc:[0-9]+"
+#endif // _MSC_VER
+ ".*a_false_condition.*Extra info.*";
+
+ EXPECT_DEATH(GTEST_CHECK_(a_false_condition) << "Extra info", regex);
+}
+
+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
+
+#if GTEST_USES_POSIX_RE
+
+template <typename Str>
+class RETest : public ::testing::Test {};
+
+// Defines StringTypes as the list of all string types that class RE
+// supports.
+typedef testing::Types<
+#if GTEST_HAS_STD_STRING
+ ::std::string,
+#endif // GTEST_HAS_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));
+}
+
+#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(IsDigitTest, IsFalseForNonDigit) {
+ EXPECT_FALSE(IsDigit('\0'));
+ EXPECT_FALSE(IsDigit(' '));
+ EXPECT_FALSE(IsDigit('+'));
+ EXPECT_FALSE(IsDigit('-'));
+ EXPECT_FALSE(IsDigit('.'));
+ EXPECT_FALSE(IsDigit('a'));
+}
+
+TEST(IsDigitTest, IsTrueForDigit) {
+ EXPECT_TRUE(IsDigit('0'));
+ EXPECT_TRUE(IsDigit('1'));
+ EXPECT_TRUE(IsDigit('5'));
+ EXPECT_TRUE(IsDigit('9'));
+}
+
+TEST(IsPunctTest, IsFalseForNonPunct) {
+ EXPECT_FALSE(IsPunct('\0'));
+ EXPECT_FALSE(IsPunct(' '));
+ EXPECT_FALSE(IsPunct('\n'));
+ EXPECT_FALSE(IsPunct('a'));
+ EXPECT_FALSE(IsPunct('0'));
+}
+
+TEST(IsPunctTest, IsTrueForPunct) {
+ for (const char* p = "^-!\"#$%&'()*+,./:;<=>?@[\\]_`{|}~"; *p; p++) {
+ EXPECT_PRED1(IsPunct, *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(IsWhiteSpaceTest, IsFalseForNonWhiteSpace) {
+ EXPECT_FALSE(IsWhiteSpace('\0'));
+ EXPECT_FALSE(IsWhiteSpace('a'));
+ EXPECT_FALSE(IsWhiteSpace('1'));
+ EXPECT_FALSE(IsWhiteSpace('+'));
+ EXPECT_FALSE(IsWhiteSpace('_'));
+}
+
+TEST(IsWhiteSpaceTest, IsTrueForWhiteSpace) {
+ EXPECT_TRUE(IsWhiteSpace(' '));
+ EXPECT_TRUE(IsWhiteSpace('\n'));
+ EXPECT_TRUE(IsWhiteSpace('\r'));
+ EXPECT_TRUE(IsWhiteSpace('\t'));
+ EXPECT_TRUE(IsWhiteSpace('\v'));
+ EXPECT_TRUE(IsWhiteSpace('\f'));
+}
+
+TEST(IsWordCharTest, IsFalseForNonWordChar) {
+ EXPECT_FALSE(IsWordChar('\0'));
+ EXPECT_FALSE(IsWordChar('+'));
+ EXPECT_FALSE(IsWordChar('.'));
+ EXPECT_FALSE(IsWordChar(' '));
+ EXPECT_FALSE(IsWordChar('\n'));
+}
+
+TEST(IsWordCharTest, IsTrueForLetter) {
+ EXPECT_TRUE(IsWordChar('a'));
+ EXPECT_TRUE(IsWordChar('b'));
+ EXPECT_TRUE(IsWordChar('A'));
+ EXPECT_TRUE(IsWordChar('Z'));
+}
+
+TEST(IsWordCharTest, IsTrueForDigit) {
+ EXPECT_TRUE(IsWordChar('0'));
+ EXPECT_TRUE(IsWordChar('1'));
+ EXPECT_TRUE(IsWordChar('7'));
+ EXPECT_TRUE(IsWordChar('9'));
+}
+
+TEST(IsWordCharTest, IsTrueForUnderscore) {
+ EXPECT_TRUE(IsWordChar('_'));
+}
+
+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
+
+TEST(CaptureStderrTest, CapturesStdErr) {
+ CaptureStderr();
+ fprintf(stderr, "abc");
+ ASSERT_STREQ("abc", GetCapturedStderr().c_str());
+}
+
+} // namespace internal
+} // namespace testing