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deps: check in gtest, add util unit test
Check in a gypified gtest and add a simple unit test to show that the basic infrastructure is in place. PR-URL: nodejs#1199 Refs: nodejs#1193 Reviewed-By: Fedor Indutny <fedor@indutny.com> Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
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| Copyright 2008, Google Inc. | ||
| All rights reserved. | ||
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| 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. |
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| { | ||
| 'targets': [ | ||
| { | ||
| 'target_name': 'gtest', | ||
| 'type': 'static_library', | ||
| 'cflags': ['-Wno-missing-field-initializers'], | ||
| 'direct_dependent_settings': { | ||
| 'include_dirs': ['include'], | ||
| }, | ||
| 'include_dirs': ['.', 'include'], | ||
| 'sources': [ | ||
| 'src/gtest-death-test.cc', | ||
| 'src/gtest-filepath.cc', | ||
| 'src/gtest-internal-inl.h', | ||
| 'src/gtest-port.cc', | ||
| 'src/gtest-printers.cc', | ||
| 'src/gtest-test-part.cc', | ||
| 'src/gtest-typed-test.cc', | ||
| 'src/gtest.cc', | ||
| 'src/gtest_main.cc', | ||
| ], | ||
| } | ||
| ], | ||
| } |
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| // Copyright 2005, 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. | ||
| // | ||
| // Author: wan@google.com (Zhanyong Wan) | ||
| // | ||
| // The Google C++ Testing Framework (Google Test) | ||
| // | ||
| // This header file defines the public API for death tests. It is | ||
| // #included by gtest.h so a user doesn't need to include this | ||
| // directly. | ||
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| #ifndef GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_ | ||
| #define GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_ | ||
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| #include "gtest/internal/gtest-death-test-internal.h" | ||
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| namespace testing { | ||
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| // This flag controls the style of death tests. Valid values are "threadsafe", | ||
| // meaning that the death test child process will re-execute the test binary | ||
| // from the start, running only a single death test, or "fast", | ||
| // meaning that the child process will execute the test logic immediately | ||
| // after forking. | ||
| GTEST_DECLARE_string_(death_test_style); | ||
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| #if GTEST_HAS_DEATH_TEST | ||
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| namespace internal { | ||
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| // Returns a Boolean value indicating whether the caller is currently | ||
| // executing in the context of the death test child process. Tools such as | ||
| // Valgrind heap checkers may need this to modify their behavior in death | ||
| // tests. IMPORTANT: This is an internal utility. Using it may break the | ||
| // implementation of death tests. User code MUST NOT use it. | ||
| GTEST_API_ bool InDeathTestChild(); | ||
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| } // namespace internal | ||
|
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| // The following macros are useful for writing death tests. | ||
|
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| // Here's what happens when an ASSERT_DEATH* or EXPECT_DEATH* is | ||
| // executed: | ||
| // | ||
| // 1. It generates a warning if there is more than one active | ||
| // thread. This is because it's safe to fork() or clone() only | ||
| // when there is a single thread. | ||
| // | ||
| // 2. The parent process clone()s a sub-process and runs the death | ||
| // test in it; the sub-process exits with code 0 at the end of the | ||
| // death test, if it hasn't exited already. | ||
| // | ||
| // 3. The parent process waits for the sub-process to terminate. | ||
| // | ||
| // 4. The parent process checks the exit code and error message of | ||
| // the sub-process. | ||
| // | ||
| // Examples: | ||
| // | ||
| // ASSERT_DEATH(server.SendMessage(56, "Hello"), "Invalid port number"); | ||
| // for (int i = 0; i < 5; i++) { | ||
| // EXPECT_DEATH(server.ProcessRequest(i), | ||
| // "Invalid request .* in ProcessRequest()") | ||
| // << "Failed to die on request " << i; | ||
| // } | ||
| // | ||
| // ASSERT_EXIT(server.ExitNow(), ::testing::ExitedWithCode(0), "Exiting"); | ||
| // | ||
| // bool KilledBySIGHUP(int exit_code) { | ||
| // return WIFSIGNALED(exit_code) && WTERMSIG(exit_code) == SIGHUP; | ||
| // } | ||
| // | ||
| // ASSERT_EXIT(client.HangUpServer(), KilledBySIGHUP, "Hanging up!"); | ||
| // | ||
| // On the regular expressions used in death tests: | ||
| // | ||
| // On POSIX-compliant systems (*nix), we use the <regex.h> library, | ||
| // which uses the POSIX extended regex syntax. | ||
| // | ||
| // On other platforms (e.g. Windows), we only support a simple regex | ||
| // syntax implemented as part of Google Test. This limited | ||
| // implementation should be enough most of the time when writing | ||
| // death tests; though it lacks many features you can find in PCRE | ||
| // or POSIX extended regex syntax. For example, we don't support | ||
| // union ("x|y"), grouping ("(xy)"), brackets ("[xy]"), and | ||
| // repetition count ("x{5,7}"), among others. | ||
| // | ||
| // Below is the syntax that we do support. We chose it to be a | ||
| // subset of both PCRE and POSIX extended regex, so it's easy to | ||
| // learn wherever you come from. In the following: 'A' denotes a | ||
| // literal character, period (.), or a single \\ escape sequence; | ||
| // 'x' and 'y' denote regular expressions; 'm' and 'n' are for | ||
| // natural numbers. | ||
| // | ||
| // c matches any literal character c | ||
| // \\d matches any decimal digit | ||
| // \\D matches any character that's not a decimal digit | ||
| // \\f matches \f | ||
| // \\n matches \n | ||
| // \\r matches \r | ||
| // \\s matches any ASCII whitespace, including \n | ||
| // \\S matches any character that's not a whitespace | ||
| // \\t matches \t | ||
| // \\v matches \v | ||
| // \\w matches any letter, _, or decimal digit | ||
| // \\W matches any character that \\w doesn't match | ||
| // \\c matches any literal character c, which must be a punctuation | ||
| // . matches any single character except \n | ||
| // A? matches 0 or 1 occurrences of A | ||
| // A* matches 0 or many occurrences of A | ||
| // A+ matches 1 or many occurrences of A | ||
| // ^ matches the beginning of a string (not that of each line) | ||
| // $ matches the end of a string (not that of each line) | ||
| // xy matches x followed by y | ||
| // | ||
| // If you accidentally use PCRE or POSIX extended regex features | ||
| // not implemented by us, you will get a run-time failure. In that | ||
| // case, please try to rewrite your regular expression within the | ||
| // above syntax. | ||
| // | ||
| // This implementation is *not* meant to be as highly tuned or robust | ||
| // as a compiled regex library, but should perform well enough for a | ||
| // death test, which already incurs significant overhead by launching | ||
| // a child process. | ||
| // | ||
| // Known caveats: | ||
| // | ||
| // A "threadsafe" style death test obtains the path to the test | ||
| // program from argv[0] and re-executes it in the sub-process. For | ||
| // simplicity, the current implementation doesn't search the PATH | ||
| // when launching the sub-process. This means that the user must | ||
| // invoke the test program via a path that contains at least one | ||
| // path separator (e.g. path/to/foo_test and | ||
| // /absolute/path/to/bar_test are fine, but foo_test is not). This | ||
| // is rarely a problem as people usually don't put the test binary | ||
| // directory in PATH. | ||
| // | ||
| // TODO(wan@google.com): make thread-safe death tests search the PATH. | ||
|
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| // Asserts that a given statement causes the program to exit, with an | ||
| // integer exit status that satisfies predicate, and emitting error output | ||
| // that matches regex. | ||
| # define ASSERT_EXIT(statement, predicate, regex) \ | ||
| GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_FATAL_FAILURE_) | ||
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| // Like ASSERT_EXIT, but continues on to successive tests in the | ||
| // test case, if any: | ||
| # define EXPECT_EXIT(statement, predicate, regex) \ | ||
| GTEST_DEATH_TEST_(statement, predicate, regex, GTEST_NONFATAL_FAILURE_) | ||
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| // Asserts that a given statement causes the program to exit, either by | ||
| // explicitly exiting with a nonzero exit code or being killed by a | ||
| // signal, and emitting error output that matches regex. | ||
| # define ASSERT_DEATH(statement, regex) \ | ||
| ASSERT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex) | ||
|
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| // Like ASSERT_DEATH, but continues on to successive tests in the | ||
| // test case, if any: | ||
| # define EXPECT_DEATH(statement, regex) \ | ||
| EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, regex) | ||
|
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| // Two predicate classes that can be used in {ASSERT,EXPECT}_EXIT*: | ||
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| // Tests that an exit code describes a normal exit with a given exit code. | ||
| class GTEST_API_ ExitedWithCode { | ||
| public: | ||
| explicit ExitedWithCode(int exit_code); | ||
| bool operator()(int exit_status) const; | ||
| private: | ||
| // No implementation - assignment is unsupported. | ||
| void operator=(const ExitedWithCode& other); | ||
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| const int exit_code_; | ||
| }; | ||
|
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| # if !GTEST_OS_WINDOWS | ||
| // Tests that an exit code describes an exit due to termination by a | ||
| // given signal. | ||
| class GTEST_API_ KilledBySignal { | ||
| public: | ||
| explicit KilledBySignal(int signum); | ||
| bool operator()(int exit_status) const; | ||
| private: | ||
| const int signum_; | ||
| }; | ||
| # endif // !GTEST_OS_WINDOWS | ||
|
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| // EXPECT_DEBUG_DEATH asserts that the given statements die in debug mode. | ||
| // The death testing framework causes this to have interesting semantics, | ||
| // since the sideeffects of the call are only visible in opt mode, and not | ||
| // in debug mode. | ||
| // | ||
| // In practice, this can be used to test functions that utilize the | ||
| // LOG(DFATAL) macro using the following style: | ||
| // | ||
| // int DieInDebugOr12(int* sideeffect) { | ||
| // if (sideeffect) { | ||
| // *sideeffect = 12; | ||
| // } | ||
| // LOG(DFATAL) << "death"; | ||
| // return 12; | ||
| // } | ||
| // | ||
| // TEST(TestCase, TestDieOr12WorksInDgbAndOpt) { | ||
| // int sideeffect = 0; | ||
| // // Only asserts in dbg. | ||
| // EXPECT_DEBUG_DEATH(DieInDebugOr12(&sideeffect), "death"); | ||
| // | ||
| // #ifdef NDEBUG | ||
| // // opt-mode has sideeffect visible. | ||
| // EXPECT_EQ(12, sideeffect); | ||
| // #else | ||
| // // dbg-mode no visible sideeffect. | ||
| // EXPECT_EQ(0, sideeffect); | ||
| // #endif | ||
| // } | ||
| // | ||
| // This will assert that DieInDebugReturn12InOpt() crashes in debug | ||
| // mode, usually due to a DCHECK or LOG(DFATAL), but returns the | ||
| // appropriate fallback value (12 in this case) in opt mode. If you | ||
| // need to test that a function has appropriate side-effects in opt | ||
| // mode, include assertions against the side-effects. A general | ||
| // pattern for this is: | ||
| // | ||
| // EXPECT_DEBUG_DEATH({ | ||
| // // Side-effects here will have an effect after this statement in | ||
| // // opt mode, but none in debug mode. | ||
| // EXPECT_EQ(12, DieInDebugOr12(&sideeffect)); | ||
| // }, "death"); | ||
| // | ||
| # ifdef NDEBUG | ||
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| # define EXPECT_DEBUG_DEATH(statement, regex) \ | ||
| GTEST_EXECUTE_STATEMENT_(statement, regex) | ||
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| # define ASSERT_DEBUG_DEATH(statement, regex) \ | ||
| GTEST_EXECUTE_STATEMENT_(statement, regex) | ||
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| # else | ||
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| # define EXPECT_DEBUG_DEATH(statement, regex) \ | ||
| EXPECT_DEATH(statement, regex) | ||
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| # define ASSERT_DEBUG_DEATH(statement, regex) \ | ||
| ASSERT_DEATH(statement, regex) | ||
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| # endif // NDEBUG for EXPECT_DEBUG_DEATH | ||
| #endif // GTEST_HAS_DEATH_TEST | ||
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| // EXPECT_DEATH_IF_SUPPORTED(statement, regex) and | ||
| // ASSERT_DEATH_IF_SUPPORTED(statement, regex) expand to real death tests if | ||
| // death tests are supported; otherwise they just issue a warning. This is | ||
| // useful when you are combining death test assertions with normal test | ||
| // assertions in one test. | ||
| #if GTEST_HAS_DEATH_TEST | ||
| # define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \ | ||
| EXPECT_DEATH(statement, regex) | ||
| # define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \ | ||
| ASSERT_DEATH(statement, regex) | ||
| #else | ||
| # define EXPECT_DEATH_IF_SUPPORTED(statement, regex) \ | ||
| GTEST_UNSUPPORTED_DEATH_TEST_(statement, regex, ) | ||
| # define ASSERT_DEATH_IF_SUPPORTED(statement, regex) \ | ||
| GTEST_UNSUPPORTED_DEATH_TEST_(statement, regex, return) | ||
| #endif | ||
|
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| } // namespace testing | ||
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| #endif // GTEST_INCLUDE_GTEST_GTEST_DEATH_TEST_H_ |
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