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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 <map>
40#include <memory>
41#include <sstream>
42#include <string>
43#include <type_traits>
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(PointeeOfTest, WorksForSmartPointers) {
128 EXPECT_TRUE(
129 (std::is_same<int, PointeeOf<std::unique_ptr<int>>::type>::value));
130 EXPECT_TRUE(
131 (std::is_same<std::string,
132 PointeeOf<std::shared_ptr<std::string>>::type>::value));
133}
134
135TEST(PointeeOfTest, WorksForRawPointers) {
136 EXPECT_TRUE((std::is_same<int, PointeeOf<int*>::type>::value));
137 EXPECT_TRUE((std::is_same<const char, PointeeOf<const char*>::type>::value));
138 EXPECT_TRUE((std::is_void<PointeeOf<void*>::type>::value));
139}
140
141TEST(GetRawPointerTest, WorksForSmartPointers) {
142 const char* const raw_p1 = new const char('a'); // NOLINT
143 const std::unique_ptr<const char> p1(raw_p1);
144 EXPECT_EQ(raw_p1, GetRawPointer(p1));
145 double* const raw_p2 = new double(2.5); // NOLINT
146 const std::shared_ptr<double> p2(raw_p2);
147 EXPECT_EQ(raw_p2, GetRawPointer(p2));
148}
149
150TEST(GetRawPointerTest, WorksForRawPointers) {
151 int* p = nullptr;
152 EXPECT_TRUE(nullptr == GetRawPointer(p));
153 int n = 1;
154 EXPECT_EQ(&n, GetRawPointer(&n));
155}
156
157// Tests KindOf<T>.
158
159class Base {};
160class Derived : public Base {};
161
162TEST(KindOfTest, Bool) {
163 EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool)); // NOLINT
164}
165
166TEST(KindOfTest, Integer) {
167 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT
168 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT
169 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT
170 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT
171 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT
172 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT
173 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT
174 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT
175 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT
176 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT
177 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(Int64)); // NOLINT
178 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(UInt64)); // NOLINT
179 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT
180#if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
181 // ssize_t is not defined on Windows and possibly some other OSes.
182 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t)); // NOLINT
183#endif
184}
185
186TEST(KindOfTest, FloatingPoint) {
187 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT
188 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT
189 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double)); // NOLINT
190}
191
192TEST(KindOfTest, Other) {
193 EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT
194 EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**)); // NOLINT
195 EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT
196}
197
198// Tests LosslessArithmeticConvertible<T, U>.
199
200TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
201 EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
202}
203
204TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
205 EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
206 EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
207 EXPECT_TRUE(
208 (LosslessArithmeticConvertible<bool, unsigned long>::value)); // NOLINT
209}
210
211TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
212 EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
213 EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
214}
215
216TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
217 EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
218 EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
219}
220
221TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
222 // Unsigned => larger signed is fine.
223 EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
224
225 // Unsigned => larger unsigned is fine.
226 EXPECT_TRUE(
227 (LosslessArithmeticConvertible<unsigned short, UInt64>::value)); // NOLINT
228
229 // Signed => unsigned is not fine.
230 EXPECT_FALSE((LosslessArithmeticConvertible<short, UInt64>::value)); // NOLINT
231 EXPECT_FALSE((LosslessArithmeticConvertible<
232 signed char, unsigned int>::value)); // NOLINT
233
234 // Same size and same signedness: fine too.
235 EXPECT_TRUE((LosslessArithmeticConvertible<
236 unsigned char, unsigned char>::value));
237 EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value));
238 EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value));
239 EXPECT_TRUE((LosslessArithmeticConvertible<
240 unsigned long, unsigned long>::value)); // NOLINT
241
242 // Same size, different signedness: not fine.
243 EXPECT_FALSE((LosslessArithmeticConvertible<
244 unsigned char, signed char>::value));
245 EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
246 EXPECT_FALSE((LosslessArithmeticConvertible<UInt64, Int64>::value));
247
248 // Larger size => smaller size is not fine.
249 EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value)); // NOLINT
250 EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value));
251 EXPECT_FALSE((LosslessArithmeticConvertible<Int64, unsigned int>::value));
252}
253
254TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) {
255 // Integers cannot be losslessly converted to floating-points, as
256 // the format of the latter is implementation-defined.
257 EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value));
258 EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value));
259 EXPECT_FALSE((LosslessArithmeticConvertible<
260 short, long double>::value)); // NOLINT
261}
262
263TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) {
264 EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value));
265 EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value));
266}
267
268TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) {
269 EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value)); // NOLINT
270 EXPECT_FALSE((LosslessArithmeticConvertible<double, Int64>::value));
271 EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value));
272}
273
274TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) {
275 // Smaller size => larger size is fine.
276 EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value));
277 EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value));
278 EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value));
279
280 // Same size: fine.
281 EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value));
282 EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value));
283
284 // Larger size => smaller size is not fine.
285 EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value));
286 GTEST_INTENTIONAL_CONST_COND_PUSH_()
287 if (sizeof(double) == sizeof(long double)) { // NOLINT
288 GTEST_INTENTIONAL_CONST_COND_POP_()
289 // In some implementations (e.g. MSVC), double and long double
290 // have the same size.
291 EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value));
292 } else {
293 EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value));
294 }
295}
296
297// Tests the TupleMatches() template function.
298
299TEST(TupleMatchesTest, WorksForSize0) {
300 std::tuple<> matchers;
301 std::tuple<> values;
302
303 EXPECT_TRUE(TupleMatches(matchers, values));
304}
305
306TEST(TupleMatchesTest, WorksForSize1) {
307 std::tuple<Matcher<int> > matchers(Eq(1));
308 std::tuple<int> values1(1), values2(2);
309
310 EXPECT_TRUE(TupleMatches(matchers, values1));
311 EXPECT_FALSE(TupleMatches(matchers, values2));
312}
313
314TEST(TupleMatchesTest, WorksForSize2) {
315 std::tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
316 std::tuple<int, char> values1(1, 'a'), values2(1, 'b'), values3(2, 'a'),
317 values4(2, 'b');
318
319 EXPECT_TRUE(TupleMatches(matchers, values1));
320 EXPECT_FALSE(TupleMatches(matchers, values2));
321 EXPECT_FALSE(TupleMatches(matchers, values3));
322 EXPECT_FALSE(TupleMatches(matchers, values4));
323}
324
325TEST(TupleMatchesTest, WorksForSize5) {
326 std::tuple<Matcher<int>, Matcher<char>, Matcher<bool>,
327 Matcher<long>, // NOLINT
328 Matcher<std::string> >
329 matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
330 std::tuple<int, char, bool, long, std::string> // NOLINT
331 values1(1, 'a', true, 2L, "hi"), values2(1, 'a', true, 2L, "hello"),
332 values3(2, 'a', true, 2L, "hi");
333
334 EXPECT_TRUE(TupleMatches(matchers, values1));
335 EXPECT_FALSE(TupleMatches(matchers, values2));
336 EXPECT_FALSE(TupleMatches(matchers, values3));
337}
338
339// Tests that Assert(true, ...) succeeds.
340TEST(AssertTest, SucceedsOnTrue) {
341 Assert(true, __FILE__, __LINE__, "This should succeed.");
342 Assert(true, __FILE__, __LINE__); // This should succeed too.
343}
344
345// Tests that Assert(false, ...) generates a fatal failure.
346TEST(AssertTest, FailsFatallyOnFalse) {
347 EXPECT_DEATH_IF_SUPPORTED({
348 Assert(false, __FILE__, __LINE__, "This should fail.");
349 }, "");
350
351 EXPECT_DEATH_IF_SUPPORTED({
352 Assert(false, __FILE__, __LINE__);
353 }, "");
354}
355
356// Tests that Expect(true, ...) succeeds.
357TEST(ExpectTest, SucceedsOnTrue) {
358 Expect(true, __FILE__, __LINE__, "This should succeed.");
359 Expect(true, __FILE__, __LINE__); // This should succeed too.
360}
361
362// Tests that Expect(false, ...) generates a non-fatal failure.
363TEST(ExpectTest, FailsNonfatallyOnFalse) {
364 EXPECT_NONFATAL_FAILURE({ // NOLINT
365 Expect(false, __FILE__, __LINE__, "This should fail.");
366 }, "This should fail");
367
368 EXPECT_NONFATAL_FAILURE({ // NOLINT
369 Expect(false, __FILE__, __LINE__);
370 }, "Expectation failed");
371}
372
373// Tests LogIsVisible().
374
375class LogIsVisibleTest : public ::testing::Test {
376 protected:
377 void SetUp() override { original_verbose_ = GMOCK_FLAG(verbose); }
378
379 void TearDown() override { GMOCK_FLAG(verbose) = original_verbose_; }
380
381 std::string original_verbose_;
382};
383
384TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
385 GMOCK_FLAG(verbose) = kInfoVerbosity;
386 EXPECT_TRUE(LogIsVisible(kInfo));
387 EXPECT_TRUE(LogIsVisible(kWarning));
388}
389
390TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
391 GMOCK_FLAG(verbose) = kErrorVerbosity;
392 EXPECT_FALSE(LogIsVisible(kInfo));
393 EXPECT_FALSE(LogIsVisible(kWarning));
394}
395
396TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
397 GMOCK_FLAG(verbose) = kWarningVerbosity;
398 EXPECT_FALSE(LogIsVisible(kInfo));
399 EXPECT_TRUE(LogIsVisible(kWarning));
400}
401
402#if GTEST_HAS_STREAM_REDIRECTION
403
404// Tests the Log() function.
405
406// Verifies that Log() behaves correctly for the given verbosity level
407// and log severity.
408void TestLogWithSeverity(const std::string& verbosity, LogSeverity severity,
409 bool should_print) {
410 const std::string old_flag = GMOCK_FLAG(verbose);
411 GMOCK_FLAG(verbose) = verbosity;
412 CaptureStdout();
413 Log(severity, "Test log.\n", 0);
414 if (should_print) {
415 EXPECT_THAT(GetCapturedStdout().c_str(),
416 ContainsRegex(
417 severity == kWarning ?
418 "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" :
419 "^\nTest log\\.\nStack trace:\n"));
420 } else {
421 EXPECT_STREQ("", GetCapturedStdout().c_str());
422 }
423 GMOCK_FLAG(verbose) = old_flag;
424}
425
426// Tests that when the stack_frames_to_skip parameter is negative,
427// Log() doesn't include the stack trace in the output.
428TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
429 const std::string saved_flag = GMOCK_FLAG(verbose);
430 GMOCK_FLAG(verbose) = kInfoVerbosity;
431 CaptureStdout();
432 Log(kInfo, "Test log.\n", -1);
433 EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
434 GMOCK_FLAG(verbose) = saved_flag;
435}
436
437struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface {
438 std::string CurrentStackTrace(int max_depth, int skip_count) override {
439 return (testing::Message() << max_depth << "::" << skip_count << "\n")
440 .GetString();
441 }
442 void UponLeavingGTest() override {}
443};
444
445// Tests that in opt mode, a positive stack_frames_to_skip argument is
446// treated as 0.
447TEST(LogTest, NoSkippingStackFrameInOptMode) {
448 MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter;
449 GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter);
450
451 CaptureStdout();
452 Log(kWarning, "Test log.\n", 100);
453 const std::string log = GetCapturedStdout();
454
455 std::string expected_trace =
456 (testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString();
457 std::string expected_message =
458 "\nGMOCK WARNING:\n"
459 "Test log.\n"
460 "Stack trace:\n" +
461 expected_trace;
462 EXPECT_THAT(log, HasSubstr(expected_message));
463 int skip_count = atoi(log.substr(expected_message.size()).c_str());
464
465# if defined(NDEBUG)
466 // In opt mode, no stack frame should be skipped.
467 const int expected_skip_count = 0;
468# else
469 // In dbg mode, the stack frames should be skipped.
470 const int expected_skip_count = 100;
471# endif
472
473 // Note that each inner implementation layer will +1 the number to remove
474 // itself from the trace. This means that the value is a little higher than
475 // expected, but close enough.
476 EXPECT_THAT(skip_count,
477 AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10)));
478
479 // Restores the default OS stack trace getter.
480 GetUnitTestImpl()->set_os_stack_trace_getter(nullptr);
481}
482
483// Tests that all logs are printed when the value of the
484// --gmock_verbose flag is "info".
485TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
486 TestLogWithSeverity(kInfoVerbosity, kInfo, true);
487 TestLogWithSeverity(kInfoVerbosity, kWarning, true);
488}
489
490// Tests that only warnings are printed when the value of the
491// --gmock_verbose flag is "warning".
492TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
493 TestLogWithSeverity(kWarningVerbosity, kInfo, false);
494 TestLogWithSeverity(kWarningVerbosity, kWarning, true);
495}
496
497// Tests that no logs are printed when the value of the
498// --gmock_verbose flag is "error".
499TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
500 TestLogWithSeverity(kErrorVerbosity, kInfo, false);
501 TestLogWithSeverity(kErrorVerbosity, kWarning, false);
502}
503
504// Tests that only warnings are printed when the value of the
505// --gmock_verbose flag is invalid.
506TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
507 TestLogWithSeverity("invalid", kInfo, false);
508 TestLogWithSeverity("invalid", kWarning, true);
509}
510
511// Verifies that Log() behaves correctly for the given verbosity level
512// and log severity.
513std::string GrabOutput(void(*logger)(), const char* verbosity) {
514 const std::string saved_flag = GMOCK_FLAG(verbose);
515 GMOCK_FLAG(verbose) = verbosity;
516 CaptureStdout();
517 logger();
518 GMOCK_FLAG(verbose) = saved_flag;
519 return GetCapturedStdout();
520}
521
522class DummyMock {
523 public:
524 MOCK_METHOD0(TestMethod, void());
525 MOCK_METHOD1(TestMethodArg, void(int dummy));
526};
527
528void ExpectCallLogger() {
529 DummyMock mock;
530 EXPECT_CALL(mock, TestMethod());
531 mock.TestMethod();
532}
533
534// Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
535TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
536 EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)),
537 HasSubstr("EXPECT_CALL(mock, TestMethod())"));
538}
539
540// Verifies that EXPECT_CALL doesn't log
541// if the --gmock_verbose flag is set to "warning".
542TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
543 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
544}
545
546// Verifies that EXPECT_CALL doesn't log
547// if the --gmock_verbose flag is set to "error".
548TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) {
549 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
550}
551
552void OnCallLogger() {
553 DummyMock mock;
554 ON_CALL(mock, TestMethod());
555}
556
557// Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
558TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
559 EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)),
560 HasSubstr("ON_CALL(mock, TestMethod())"));
561}
562
563// Verifies that ON_CALL doesn't log
564// if the --gmock_verbose flag is set to "warning".
565TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
566 EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
567}
568
569// Verifies that ON_CALL doesn't log if
570// the --gmock_verbose flag is set to "error".
571TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
572 EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
573}
574
575void OnCallAnyArgumentLogger() {
576 DummyMock mock;
577 ON_CALL(mock, TestMethodArg(_));
578}
579
580// Verifies that ON_CALL prints provided _ argument.
581TEST(OnCallTest, LogsAnythingArgument) {
582 EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)),
583 HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
584}
585
586#endif // GTEST_HAS_STREAM_REDIRECTION
587
588// Tests StlContainerView.
589
590TEST(StlContainerViewTest, WorksForStlContainer) {
591 StaticAssertTypeEq<std::vector<int>,
592 StlContainerView<std::vector<int> >::type>();
593 StaticAssertTypeEq<const std::vector<double>&,
594 StlContainerView<std::vector<double> >::const_reference>();
595
596 typedef std::vector<char> Chars;
597 Chars v1;
598 const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
599 EXPECT_EQ(&v1, &v2);
600
601 v1.push_back('a');
602 Chars v3 = StlContainerView<Chars>::Copy(v1);
603 EXPECT_THAT(v3, Eq(v3));
604}
605
606TEST(StlContainerViewTest, WorksForStaticNativeArray) {
607 StaticAssertTypeEq<NativeArray<int>,
608 StlContainerView<int[3]>::type>();
609 StaticAssertTypeEq<NativeArray<double>,
610 StlContainerView<const double[4]>::type>();
611 StaticAssertTypeEq<NativeArray<char[3]>,
612 StlContainerView<const char[2][3]>::type>();
613
614 StaticAssertTypeEq<const NativeArray<int>,
615 StlContainerView<int[2]>::const_reference>();
616
617 int a1[3] = { 0, 1, 2 };
618 NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
619 EXPECT_EQ(3U, a2.size());
620 EXPECT_EQ(a1, a2.begin());
621
622 const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
623 ASSERT_EQ(3U, a3.size());
624 EXPECT_EQ(0, a3.begin()[0]);
625 EXPECT_EQ(1, a3.begin()[1]);
626 EXPECT_EQ(2, a3.begin()[2]);
627
628 // Makes sure a1 and a3 aren't aliases.
629 a1[0] = 3;
630 EXPECT_EQ(0, a3.begin()[0]);
631}
632
633TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
634 StaticAssertTypeEq<NativeArray<int>,
635 StlContainerView<std::tuple<const int*, size_t> >::type>();
636 StaticAssertTypeEq<
637 NativeArray<double>,
638 StlContainerView<std::tuple<std::shared_ptr<double>, int> >::type>();
639
640 StaticAssertTypeEq<
641 const NativeArray<int>,
642 StlContainerView<std::tuple<const int*, int> >::const_reference>();
643
644 int a1[3] = { 0, 1, 2 };
645 const int* const p1 = a1;
646 NativeArray<int> a2 =
647 StlContainerView<std::tuple<const int*, int> >::ConstReference(
648 std::make_tuple(p1, 3));
649 EXPECT_EQ(3U, a2.size());
650 EXPECT_EQ(a1, a2.begin());
651
652 const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t> >::Copy(
653 std::make_tuple(static_cast<int*>(a1), 3));
654 ASSERT_EQ(3U, a3.size());
655 EXPECT_EQ(0, a3.begin()[0]);
656 EXPECT_EQ(1, a3.begin()[1]);
657 EXPECT_EQ(2, a3.begin()[2]);
658
659 // Makes sure a1 and a3 aren't aliases.
660 a1[0] = 3;
661 EXPECT_EQ(0, a3.begin()[0]);
662}
663
664// Tests the Function template struct.
665
666TEST(FunctionTest, Nullary) {
667 typedef Function<int()> F; // NOLINT
668 EXPECT_EQ(0u, F::ArgumentCount);
669 EXPECT_TRUE((std::is_same<int, F::Result>::value));
670 EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentTuple>::value));
671 EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentMatcherTuple>::value));
672 EXPECT_TRUE((std::is_same<void(), F::MakeResultVoid>::value));
673 EXPECT_TRUE((std::is_same<IgnoredValue(), F::MakeResultIgnoredValue>::value));
674}
675
676TEST(FunctionTest, Unary) {
677 typedef Function<int(bool)> F; // NOLINT
678 EXPECT_EQ(1u, 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<std::tuple<bool>, F::ArgumentTuple>::value));
682 EXPECT_TRUE((
683 std::is_same<std::tuple<Matcher<bool>>, F::ArgumentMatcherTuple>::value));
684 EXPECT_TRUE((std::is_same<void(bool), F::MakeResultVoid>::value)); // NOLINT
685 EXPECT_TRUE((std::is_same<IgnoredValue(bool), // NOLINT
686 F::MakeResultIgnoredValue>::value));
687}
688
689TEST(FunctionTest, Binary) {
690 typedef Function<int(bool, const long&)> F; // NOLINT
691 EXPECT_EQ(2u, F::ArgumentCount);
692 EXPECT_TRUE((std::is_same<int, F::Result>::value));
693 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
694 EXPECT_TRUE((std::is_same<const long&, F::Arg<1>::type>::value)); // NOLINT
695 EXPECT_TRUE((std::is_same<std::tuple<bool, const long&>, // NOLINT
696 F::ArgumentTuple>::value));
697 EXPECT_TRUE(
698 (std::is_same<std::tuple<Matcher<bool>, Matcher<const long&>>, // NOLINT
699 F::ArgumentMatcherTuple>::value));
700 EXPECT_TRUE((std::is_same<void(bool, const long&), // NOLINT
701 F::MakeResultVoid>::value));
702 EXPECT_TRUE((std::is_same<IgnoredValue(bool, const long&), // NOLINT
703 F::MakeResultIgnoredValue>::value));
704}
705
706TEST(FunctionTest, LongArgumentList) {
707 typedef Function<char(bool, int, char*, int&, const long&)> F; // NOLINT
708 EXPECT_EQ(5u, F::ArgumentCount);
709 EXPECT_TRUE((std::is_same<char, F::Result>::value));
710 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
711 EXPECT_TRUE((std::is_same<int, F::Arg<1>::type>::value));
712 EXPECT_TRUE((std::is_same<char*, F::Arg<2>::type>::value));
713 EXPECT_TRUE((std::is_same<int&, F::Arg<3>::type>::value));
714 EXPECT_TRUE((std::is_same<const long&, F::Arg<4>::type>::value)); // NOLINT
715 EXPECT_TRUE(
716 (std::is_same<std::tuple<bool, int, char*, int&, const long&>, // NOLINT
717 F::ArgumentTuple>::value));
718 EXPECT_TRUE(
719 (std::is_same<
720 std::tuple<Matcher<bool>, Matcher<int>, Matcher<char*>, Matcher<int&>,
721 Matcher<const long&>>, // NOLINT
722 F::ArgumentMatcherTuple>::value));
723 EXPECT_TRUE(
724 (std::is_same<void(bool, int, char*, int&, const long&), // NOLINT
725 F::MakeResultVoid>::value));
726 EXPECT_TRUE((
727 std::is_same<IgnoredValue(bool, int, char*, int&, const long&), // NOLINT
728 F::MakeResultIgnoredValue>::value));
729}
730
731} // namespace
732} // namespace internal
733} // namespace testing
734