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gmock-internal-utils_test.cc
1// Copyright 2007, Google Inc.
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8// * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14// * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30
31// Google Mock - a framework for writing C++ mock classes.
32//
33// This file tests the internal utilities.
34
35#include "gmock/internal/gmock-internal-utils.h"
36
37#include <stdlib.h>
38
39#include <cstdint>
40#include <map>
41#include <memory>
42#include <sstream>
43#include <string>
44#include <vector>
45
46#include "gmock/gmock.h"
47#include "gmock/internal/gmock-port.h"
48#include "gtest/gtest-spi.h"
49#include "gtest/gtest.h"
50
51// Indicates that this translation unit is part of Google Test's
52// implementation. It must come before gtest-internal-inl.h is
53// included, or there will be a compiler error. This trick is to
54// prevent a user from accidentally including gtest-internal-inl.h in
55// their code.
56#define GTEST_IMPLEMENTATION_ 1
57#include "src/gtest-internal-inl.h"
58#undef GTEST_IMPLEMENTATION_
59
60#if GTEST_OS_CYGWIN
61# include <sys/types.h> // For ssize_t. NOLINT
62#endif
63
64namespace proto2 {
65class Message;
66} // namespace proto2
67
68namespace testing {
69namespace internal {
70
71namespace {
72
73TEST(JoinAsTupleTest, JoinsEmptyTuple) {
74 EXPECT_EQ("", JoinAsTuple(Strings()));
75}
76
77TEST(JoinAsTupleTest, JoinsOneTuple) {
78 const char* fields[] = {"1"};
79 EXPECT_EQ("1", JoinAsTuple(Strings(fields, fields + 1)));
80}
81
82TEST(JoinAsTupleTest, JoinsTwoTuple) {
83 const char* fields[] = {"1", "a"};
84 EXPECT_EQ("(1, a)", JoinAsTuple(Strings(fields, fields + 2)));
85}
86
87TEST(JoinAsTupleTest, JoinsTenTuple) {
88 const char* fields[] = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
89 EXPECT_EQ("(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)",
90 JoinAsTuple(Strings(fields, fields + 10)));
91}
92
93TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) {
94 EXPECT_EQ("", ConvertIdentifierNameToWords(""));
95 EXPECT_EQ("", ConvertIdentifierNameToWords("_"));
96 EXPECT_EQ("", ConvertIdentifierNameToWords("__"));
97}
98
99TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) {
100 EXPECT_EQ("1", ConvertIdentifierNameToWords("_1"));
101 EXPECT_EQ("2", ConvertIdentifierNameToWords("2_"));
102 EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_"));
103 EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56"));
104}
105
106TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) {
107 EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord"));
108 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar"));
109 EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_"));
110 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_"));
111 EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar"));
112}
113
114TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) {
115 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar"));
116 EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_"));
117 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_"));
118 EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar"));
119}
120
121TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) {
122 EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123"));
123 EXPECT_EQ("chapter 11 section 1",
124 ConvertIdentifierNameToWords("_Chapter11Section_1_"));
125}
126
127TEST(GetRawPointerTest, WorksForSmartPointers) {
128 const char* const raw_p1 = new const char('a'); // NOLINT
129 const std::unique_ptr<const char> p1(raw_p1);
130 EXPECT_EQ(raw_p1, GetRawPointer(p1));
131 double* const raw_p2 = new double(2.5); // NOLINT
132 const std::shared_ptr<double> p2(raw_p2);
133 EXPECT_EQ(raw_p2, GetRawPointer(p2));
134}
135
136TEST(GetRawPointerTest, WorksForRawPointers) {
137 int* p = nullptr;
138 EXPECT_TRUE(nullptr == GetRawPointer(p));
139 int n = 1;
140 EXPECT_EQ(&n, GetRawPointer(&n));
141}
142
143// Tests KindOf<T>.
144
145class Base {};
146class Derived : public Base {};
147
148TEST(KindOfTest, Bool) {
149 EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool)); // NOLINT
150}
151
152TEST(KindOfTest, Integer) {
153 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT
154 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT
155 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT
156 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT
157 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT
158 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT
159 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT
160 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT
161 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT
162 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long long)); // NOLINT
163 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long long)); // NOLINT
164 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT
165 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT
166#if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
167 // ssize_t is not defined on Windows and possibly some other OSes.
168 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t)); // NOLINT
169#endif
170}
171
172TEST(KindOfTest, FloatingPoint) {
173 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT
174 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT
175 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double)); // NOLINT
176}
177
178TEST(KindOfTest, Other) {
179 EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT
180 EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**)); // NOLINT
181 EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT
182}
183
184// Tests LosslessArithmeticConvertible<T, U>.
185
186TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
187 EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
188}
189
190TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
191 EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
192 EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
193 EXPECT_TRUE(
194 (LosslessArithmeticConvertible<bool, unsigned long>::value)); // NOLINT
195}
196
197TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
198 EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
199 EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
200}
201
202TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
203 EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
204 EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
205}
206
207TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
208 // Unsigned => larger signed is fine.
209 EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
210
211 // Unsigned => larger unsigned is fine.
212 EXPECT_TRUE((LosslessArithmeticConvertible<
213 unsigned short, uint64_t>::value)); // NOLINT
214
215 // Signed => unsigned is not fine.
216 EXPECT_FALSE((LosslessArithmeticConvertible<
217 short, uint64_t>::value)); // NOLINT
218 EXPECT_FALSE((LosslessArithmeticConvertible<
219 signed char, unsigned int>::value)); // NOLINT
220
221 // Same size and same signedness: fine too.
222 EXPECT_TRUE((LosslessArithmeticConvertible<
223 unsigned char, unsigned char>::value));
224 EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value));
225 EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value));
226 EXPECT_TRUE((LosslessArithmeticConvertible<
227 unsigned long, unsigned long>::value)); // NOLINT
228
229 // Same size, different signedness: not fine.
230 EXPECT_FALSE((LosslessArithmeticConvertible<
231 unsigned char, signed char>::value));
232 EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
233 EXPECT_FALSE((LosslessArithmeticConvertible<uint64_t, int64_t>::value));
234
235 // Larger size => smaller size is not fine.
236 EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value)); // NOLINT
237 EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value));
238 EXPECT_FALSE((LosslessArithmeticConvertible<int64_t, unsigned int>::value));
239}
240
241TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) {
242 // Integers cannot be losslessly converted to floating-points, as
243 // the format of the latter is implementation-defined.
244 EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value));
245 EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value));
246 EXPECT_FALSE((LosslessArithmeticConvertible<
247 short, long double>::value)); // NOLINT
248}
249
250TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) {
251 EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value));
252 EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value));
253}
254
255TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) {
256 EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value)); // NOLINT
257 EXPECT_FALSE((LosslessArithmeticConvertible<double, int64_t>::value));
258 EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value));
259}
260
261TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) {
262 // Smaller size => larger size is fine.
263 EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value));
264 EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value));
265 EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value));
266
267 // Same size: fine.
268 EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value));
269 EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value));
270
271 // Larger size => smaller size is not fine.
272 EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value));
273 GTEST_INTENTIONAL_CONST_COND_PUSH_()
274 if (sizeof(double) == sizeof(long double)) { // NOLINT
275 GTEST_INTENTIONAL_CONST_COND_POP_()
276 // In some implementations (e.g. MSVC), double and long double
277 // have the same size.
278 EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value));
279 } else {
280 EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value));
281 }
282}
283
284// Tests the TupleMatches() template function.
285
286TEST(TupleMatchesTest, WorksForSize0) {
287 std::tuple<> matchers;
288 std::tuple<> values;
289
290 EXPECT_TRUE(TupleMatches(matchers, values));
291}
292
293TEST(TupleMatchesTest, WorksForSize1) {
294 std::tuple<Matcher<int> > matchers(Eq(1));
295 std::tuple<int> values1(1), values2(2);
296
297 EXPECT_TRUE(TupleMatches(matchers, values1));
298 EXPECT_FALSE(TupleMatches(matchers, values2));
299}
300
301TEST(TupleMatchesTest, WorksForSize2) {
302 std::tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
303 std::tuple<int, char> values1(1, 'a'), values2(1, 'b'), values3(2, 'a'),
304 values4(2, 'b');
305
306 EXPECT_TRUE(TupleMatches(matchers, values1));
307 EXPECT_FALSE(TupleMatches(matchers, values2));
308 EXPECT_FALSE(TupleMatches(matchers, values3));
309 EXPECT_FALSE(TupleMatches(matchers, values4));
310}
311
312TEST(TupleMatchesTest, WorksForSize5) {
313 std::tuple<Matcher<int>, Matcher<char>, Matcher<bool>,
314 Matcher<long>, // NOLINT
315 Matcher<std::string> >
316 matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
317 std::tuple<int, char, bool, long, std::string> // NOLINT
318 values1(1, 'a', true, 2L, "hi"), values2(1, 'a', true, 2L, "hello"),
319 values3(2, 'a', true, 2L, "hi");
320
321 EXPECT_TRUE(TupleMatches(matchers, values1));
322 EXPECT_FALSE(TupleMatches(matchers, values2));
323 EXPECT_FALSE(TupleMatches(matchers, values3));
324}
325
326// Tests that Assert(true, ...) succeeds.
327TEST(AssertTest, SucceedsOnTrue) {
328 Assert(true, __FILE__, __LINE__, "This should succeed.");
329 Assert(true, __FILE__, __LINE__); // This should succeed too.
330}
331
332// Tests that Assert(false, ...) generates a fatal failure.
333TEST(AssertTest, FailsFatallyOnFalse) {
334 EXPECT_DEATH_IF_SUPPORTED({
335 Assert(false, __FILE__, __LINE__, "This should fail.");
336 }, "");
337
338 EXPECT_DEATH_IF_SUPPORTED({
339 Assert(false, __FILE__, __LINE__);
340 }, "");
341}
342
343// Tests that Expect(true, ...) succeeds.
344TEST(ExpectTest, SucceedsOnTrue) {
345 Expect(true, __FILE__, __LINE__, "This should succeed.");
346 Expect(true, __FILE__, __LINE__); // This should succeed too.
347}
348
349// Tests that Expect(false, ...) generates a non-fatal failure.
350TEST(ExpectTest, FailsNonfatallyOnFalse) {
351 EXPECT_NONFATAL_FAILURE({ // NOLINT
352 Expect(false, __FILE__, __LINE__, "This should fail.");
353 }, "This should fail");
354
355 EXPECT_NONFATAL_FAILURE({ // NOLINT
356 Expect(false, __FILE__, __LINE__);
357 }, "Expectation failed");
358}
359
360// Tests LogIsVisible().
361
362class LogIsVisibleTest : public ::testing::Test {
363 protected:
364 void SetUp() override { original_verbose_ = GMOCK_FLAG(verbose); }
365
366 void TearDown() override { GMOCK_FLAG(verbose) = original_verbose_; }
367
368 std::string original_verbose_;
369};
370
371TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
372 GMOCK_FLAG(verbose) = kInfoVerbosity;
373 EXPECT_TRUE(LogIsVisible(kInfo));
374 EXPECT_TRUE(LogIsVisible(kWarning));
375}
376
377TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
378 GMOCK_FLAG(verbose) = kErrorVerbosity;
379 EXPECT_FALSE(LogIsVisible(kInfo));
380 EXPECT_FALSE(LogIsVisible(kWarning));
381}
382
383TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
384 GMOCK_FLAG(verbose) = kWarningVerbosity;
385 EXPECT_FALSE(LogIsVisible(kInfo));
386 EXPECT_TRUE(LogIsVisible(kWarning));
387}
388
389#if GTEST_HAS_STREAM_REDIRECTION
390
391// Tests the Log() function.
392
393// Verifies that Log() behaves correctly for the given verbosity level
394// and log severity.
395void TestLogWithSeverity(const std::string& verbosity, LogSeverity severity,
396 bool should_print) {
397 const std::string old_flag = GMOCK_FLAG(verbose);
398 GMOCK_FLAG(verbose) = verbosity;
399 CaptureStdout();
400 Log(severity, "Test log.\n", 0);
401 if (should_print) {
402 EXPECT_THAT(GetCapturedStdout().c_str(),
403 ContainsRegex(
404 severity == kWarning ?
405 "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" :
406 "^\nTest log\\.\nStack trace:\n"));
407 } else {
408 EXPECT_STREQ("", GetCapturedStdout().c_str());
409 }
410 GMOCK_FLAG(verbose) = old_flag;
411}
412
413// Tests that when the stack_frames_to_skip parameter is negative,
414// Log() doesn't include the stack trace in the output.
415TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
416 const std::string saved_flag = GMOCK_FLAG(verbose);
417 GMOCK_FLAG(verbose) = kInfoVerbosity;
418 CaptureStdout();
419 Log(kInfo, "Test log.\n", -1);
420 EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
421 GMOCK_FLAG(verbose) = saved_flag;
422}
423
424struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface {
425 std::string CurrentStackTrace(int max_depth, int skip_count) override {
426 return (testing::Message() << max_depth << "::" << skip_count << "\n")
427 .GetString();
428 }
429 void UponLeavingGTest() override {}
430};
431
432// Tests that in opt mode, a positive stack_frames_to_skip argument is
433// treated as 0.
434TEST(LogTest, NoSkippingStackFrameInOptMode) {
435 MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter;
436 GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter);
437
438 CaptureStdout();
439 Log(kWarning, "Test log.\n", 100);
440 const std::string log = GetCapturedStdout();
441
442 std::string expected_trace =
443 (testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString();
444 std::string expected_message =
445 "\nGMOCK WARNING:\n"
446 "Test log.\n"
447 "Stack trace:\n" +
448 expected_trace;
449 EXPECT_THAT(log, HasSubstr(expected_message));
450 int skip_count = atoi(log.substr(expected_message.size()).c_str());
451
452# if defined(NDEBUG)
453 // In opt mode, no stack frame should be skipped.
454 const int expected_skip_count = 0;
455# else
456 // In dbg mode, the stack frames should be skipped.
457 const int expected_skip_count = 100;
458# endif
459
460 // Note that each inner implementation layer will +1 the number to remove
461 // itself from the trace. This means that the value is a little higher than
462 // expected, but close enough.
463 EXPECT_THAT(skip_count,
464 AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10)));
465
466 // Restores the default OS stack trace getter.
467 GetUnitTestImpl()->set_os_stack_trace_getter(nullptr);
468}
469
470// Tests that all logs are printed when the value of the
471// --gmock_verbose flag is "info".
472TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
473 TestLogWithSeverity(kInfoVerbosity, kInfo, true);
474 TestLogWithSeverity(kInfoVerbosity, kWarning, true);
475}
476
477// Tests that only warnings are printed when the value of the
478// --gmock_verbose flag is "warning".
479TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
480 TestLogWithSeverity(kWarningVerbosity, kInfo, false);
481 TestLogWithSeverity(kWarningVerbosity, kWarning, true);
482}
483
484// Tests that no logs are printed when the value of the
485// --gmock_verbose flag is "error".
486TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
487 TestLogWithSeverity(kErrorVerbosity, kInfo, false);
488 TestLogWithSeverity(kErrorVerbosity, kWarning, false);
489}
490
491// Tests that only warnings are printed when the value of the
492// --gmock_verbose flag is invalid.
493TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
494 TestLogWithSeverity("invalid", kInfo, false);
495 TestLogWithSeverity("invalid", kWarning, true);
496}
497
498// Verifies that Log() behaves correctly for the given verbosity level
499// and log severity.
500std::string GrabOutput(void(*logger)(), const char* verbosity) {
501 const std::string saved_flag = GMOCK_FLAG(verbose);
502 GMOCK_FLAG(verbose) = verbosity;
503 CaptureStdout();
504 logger();
505 GMOCK_FLAG(verbose) = saved_flag;
506 return GetCapturedStdout();
507}
508
509class DummyMock {
510 public:
511 MOCK_METHOD0(TestMethod, void());
512 MOCK_METHOD1(TestMethodArg, void(int dummy));
513};
514
515void ExpectCallLogger() {
516 DummyMock mock;
517 EXPECT_CALL(mock, TestMethod());
518 mock.TestMethod();
519}
520
521// Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
522TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
523 EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)),
524 HasSubstr("EXPECT_CALL(mock, TestMethod())"));
525}
526
527// Verifies that EXPECT_CALL doesn't log
528// if the --gmock_verbose flag is set to "warning".
529TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
530 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
531}
532
533// Verifies that EXPECT_CALL doesn't log
534// if the --gmock_verbose flag is set to "error".
535TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) {
536 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
537}
538
539void OnCallLogger() {
540 DummyMock mock;
541 ON_CALL(mock, TestMethod());
542}
543
544// Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
545TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
546 EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)),
547 HasSubstr("ON_CALL(mock, TestMethod())"));
548}
549
550// Verifies that ON_CALL doesn't log
551// if the --gmock_verbose flag is set to "warning".
552TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
553 EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
554}
555
556// Verifies that ON_CALL doesn't log if
557// the --gmock_verbose flag is set to "error".
558TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
559 EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
560}
561
562void OnCallAnyArgumentLogger() {
563 DummyMock mock;
564 ON_CALL(mock, TestMethodArg(_));
565}
566
567// Verifies that ON_CALL prints provided _ argument.
568TEST(OnCallTest, LogsAnythingArgument) {
569 EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)),
570 HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
571}
572
573#endif // GTEST_HAS_STREAM_REDIRECTION
574
575// Tests StlContainerView.
576
577TEST(StlContainerViewTest, WorksForStlContainer) {
578 StaticAssertTypeEq<std::vector<int>,
579 StlContainerView<std::vector<int> >::type>();
580 StaticAssertTypeEq<const std::vector<double>&,
581 StlContainerView<std::vector<double> >::const_reference>();
582
583 typedef std::vector<char> Chars;
584 Chars v1;
585 const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
586 EXPECT_EQ(&v1, &v2);
587
588 v1.push_back('a');
589 Chars v3 = StlContainerView<Chars>::Copy(v1);
590 EXPECT_THAT(v3, Eq(v3));
591}
592
593TEST(StlContainerViewTest, WorksForStaticNativeArray) {
594 StaticAssertTypeEq<NativeArray<int>,
595 StlContainerView<int[3]>::type>();
596 StaticAssertTypeEq<NativeArray<double>,
597 StlContainerView<const double[4]>::type>();
598 StaticAssertTypeEq<NativeArray<char[3]>,
599 StlContainerView<const char[2][3]>::type>();
600
601 StaticAssertTypeEq<const NativeArray<int>,
602 StlContainerView<int[2]>::const_reference>();
603
604 int a1[3] = { 0, 1, 2 };
605 NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
606 EXPECT_EQ(3U, a2.size());
607 EXPECT_EQ(a1, a2.begin());
608
609 const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
610 ASSERT_EQ(3U, a3.size());
611 EXPECT_EQ(0, a3.begin()[0]);
612 EXPECT_EQ(1, a3.begin()[1]);
613 EXPECT_EQ(2, a3.begin()[2]);
614
615 // Makes sure a1 and a3 aren't aliases.
616 a1[0] = 3;
617 EXPECT_EQ(0, a3.begin()[0]);
618}
619
620TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
621 StaticAssertTypeEq<NativeArray<int>,
622 StlContainerView<std::tuple<const int*, size_t> >::type>();
623 StaticAssertTypeEq<
624 NativeArray<double>,
625 StlContainerView<std::tuple<std::shared_ptr<double>, int> >::type>();
626
627 StaticAssertTypeEq<
628 const NativeArray<int>,
629 StlContainerView<std::tuple<const int*, int> >::const_reference>();
630
631 int a1[3] = { 0, 1, 2 };
632 const int* const p1 = a1;
633 NativeArray<int> a2 =
634 StlContainerView<std::tuple<const int*, int> >::ConstReference(
635 std::make_tuple(p1, 3));
636 EXPECT_EQ(3U, a2.size());
637 EXPECT_EQ(a1, a2.begin());
638
639 const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t> >::Copy(
640 std::make_tuple(static_cast<int*>(a1), 3));
641 ASSERT_EQ(3U, a3.size());
642 EXPECT_EQ(0, a3.begin()[0]);
643 EXPECT_EQ(1, a3.begin()[1]);
644 EXPECT_EQ(2, a3.begin()[2]);
645
646 // Makes sure a1 and a3 aren't aliases.
647 a1[0] = 3;
648 EXPECT_EQ(0, a3.begin()[0]);
649}
650
651// Tests the Function template struct.
652
653TEST(FunctionTest, Nullary) {
654 typedef Function<int()> F; // NOLINT
655 EXPECT_EQ(0u, F::ArgumentCount);
656 EXPECT_TRUE((std::is_same<int, F::Result>::value));
657 EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentTuple>::value));
658 EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentMatcherTuple>::value));
659 EXPECT_TRUE((std::is_same<void(), F::MakeResultVoid>::value));
660 EXPECT_TRUE((std::is_same<IgnoredValue(), F::MakeResultIgnoredValue>::value));
661}
662
663TEST(FunctionTest, Unary) {
664 typedef Function<int(bool)> F; // NOLINT
665 EXPECT_EQ(1u, F::ArgumentCount);
666 EXPECT_TRUE((std::is_same<int, F::Result>::value));
667 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
668 EXPECT_TRUE((std::is_same<std::tuple<bool>, F::ArgumentTuple>::value));
669 EXPECT_TRUE((
670 std::is_same<std::tuple<Matcher<bool>>, F::ArgumentMatcherTuple>::value));
671 EXPECT_TRUE((std::is_same<void(bool), F::MakeResultVoid>::value)); // NOLINT
672 EXPECT_TRUE((std::is_same<IgnoredValue(bool), // NOLINT
673 F::MakeResultIgnoredValue>::value));
674}
675
676TEST(FunctionTest, Binary) {
677 typedef Function<int(bool, const long&)> F; // NOLINT
678 EXPECT_EQ(2u, F::ArgumentCount);
679 EXPECT_TRUE((std::is_same<int, F::Result>::value));
680 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
681 EXPECT_TRUE((std::is_same<const long&, F::Arg<1>::type>::value)); // NOLINT
682 EXPECT_TRUE((std::is_same<std::tuple<bool, const long&>, // NOLINT
683 F::ArgumentTuple>::value));
684 EXPECT_TRUE(
685 (std::is_same<std::tuple<Matcher<bool>, Matcher<const long&>>, // NOLINT
686 F::ArgumentMatcherTuple>::value));
687 EXPECT_TRUE((std::is_same<void(bool, const long&), // NOLINT
688 F::MakeResultVoid>::value));
689 EXPECT_TRUE((std::is_same<IgnoredValue(bool, const long&), // NOLINT
690 F::MakeResultIgnoredValue>::value));
691}
692
693TEST(FunctionTest, LongArgumentList) {
694 typedef Function<char(bool, int, char*, int&, const long&)> F; // NOLINT
695 EXPECT_EQ(5u, F::ArgumentCount);
696 EXPECT_TRUE((std::is_same<char, F::Result>::value));
697 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
698 EXPECT_TRUE((std::is_same<int, F::Arg<1>::type>::value));
699 EXPECT_TRUE((std::is_same<char*, F::Arg<2>::type>::value));
700 EXPECT_TRUE((std::is_same<int&, F::Arg<3>::type>::value));
701 EXPECT_TRUE((std::is_same<const long&, F::Arg<4>::type>::value)); // NOLINT
702 EXPECT_TRUE(
703 (std::is_same<std::tuple<bool, int, char*, int&, const long&>, // NOLINT
704 F::ArgumentTuple>::value));
705 EXPECT_TRUE(
706 (std::is_same<
707 std::tuple<Matcher<bool>, Matcher<int>, Matcher<char*>, Matcher<int&>,
708 Matcher<const long&>>, // NOLINT
709 F::ArgumentMatcherTuple>::value));
710 EXPECT_TRUE(
711 (std::is_same<void(bool, int, char*, int&, const long&), // NOLINT
712 F::MakeResultVoid>::value));
713 EXPECT_TRUE((
714 std::is_same<IgnoredValue(bool, int, char*, int&, const long&), // NOLINT
715 F::MakeResultIgnoredValue>::value));
716}
717
718} // namespace
719} // namespace internal
720} // namespace testing
Definition gtest-message.h:91
Definition gtest.h:414
Definition gtest_pred_impl_unittest.cc:56