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| 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 |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 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 // Author: wan@google.com (Zhanyong Wan) |
| 31 |
| 32 // Google Mock - a framework for writing C++ mock classes. |
| 33 // |
| 34 // This file tests the internal utilities. |
| 35 |
| 36 #include <gmock/internal/gmock-internal-utils.h> |
| 37 #include <stdlib.h> |
| 38 #include <map> |
| 39 #include <string> |
| 40 #include <sstream> |
| 41 #include <vector> |
| 42 #include <gmock/gmock.h> |
| 43 #include <gmock/internal/gmock-port.h> |
| 44 #include <gtest/gtest.h> |
| 45 #include <gtest/gtest-spi.h> |
| 46 |
| 47 #if GTEST_OS_CYGWIN |
| 48 #include <sys/types.h> // For ssize_t. NOLINT |
| 49 #endif |
| 50 |
| 51 namespace testing { |
| 52 namespace internal { |
| 53 |
| 54 namespace { |
| 55 |
| 56 using ::std::tr1::tuple; |
| 57 |
| 58 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) { |
| 59 EXPECT_EQ("", ConvertIdentifierNameToWords("")); |
| 60 EXPECT_EQ("", ConvertIdentifierNameToWords("_")); |
| 61 EXPECT_EQ("", ConvertIdentifierNameToWords("__")); |
| 62 } |
| 63 |
| 64 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) { |
| 65 EXPECT_EQ("1", ConvertIdentifierNameToWords("_1")); |
| 66 EXPECT_EQ("2", ConvertIdentifierNameToWords("2_")); |
| 67 EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_")); |
| 68 EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56")); |
| 69 } |
| 70 |
| 71 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) { |
| 72 EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord")); |
| 73 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar")); |
| 74 EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_")); |
| 75 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_")); |
| 76 EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar")); |
| 77 } |
| 78 |
| 79 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) { |
| 80 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar")); |
| 81 EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_")); |
| 82 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_")); |
| 83 EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar")); |
| 84 } |
| 85 |
| 86 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) { |
| 87 EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123")); |
| 88 EXPECT_EQ("chapter 11 section 1", |
| 89 ConvertIdentifierNameToWords("_Chapter11Section_1_")); |
| 90 } |
| 91 |
| 92 // Tests that CompileAssertTypesEqual compiles when the type arguments are |
| 93 // equal. |
| 94 TEST(CompileAssertTypesEqual, CompilesWhenTypesAreEqual) { |
| 95 CompileAssertTypesEqual<void, void>(); |
| 96 CompileAssertTypesEqual<int*, int*>(); |
| 97 } |
| 98 |
| 99 // Tests that RemoveReference does not affect non-reference types. |
| 100 TEST(RemoveReferenceTest, DoesNotAffectNonReferenceType) { |
| 101 CompileAssertTypesEqual<int, RemoveReference<int>::type>(); |
| 102 CompileAssertTypesEqual<const char, RemoveReference<const char>::type>(); |
| 103 } |
| 104 |
| 105 // Tests that RemoveReference removes reference from reference types. |
| 106 TEST(RemoveReferenceTest, RemovesReference) { |
| 107 CompileAssertTypesEqual<int, RemoveReference<int&>::type>(); |
| 108 CompileAssertTypesEqual<const char, RemoveReference<const char&>::type>(); |
| 109 } |
| 110 |
| 111 // Tests GMOCK_REMOVE_REFERENCE_. |
| 112 |
| 113 template <typename T1, typename T2> |
| 114 void TestGMockRemoveReference() { |
| 115 CompileAssertTypesEqual<T1, GMOCK_REMOVE_REFERENCE_(T2)>(); |
| 116 } |
| 117 |
| 118 TEST(RemoveReferenceTest, MacroVersion) { |
| 119 TestGMockRemoveReference<int, int>(); |
| 120 TestGMockRemoveReference<const char, const char&>(); |
| 121 } |
| 122 |
| 123 |
| 124 // Tests that RemoveConst does not affect non-const types. |
| 125 TEST(RemoveConstTest, DoesNotAffectNonConstType) { |
| 126 CompileAssertTypesEqual<int, RemoveConst<int>::type>(); |
| 127 CompileAssertTypesEqual<char&, RemoveConst<char&>::type>(); |
| 128 } |
| 129 |
| 130 // Tests that RemoveConst removes const from const types. |
| 131 TEST(RemoveConstTest, RemovesConst) { |
| 132 CompileAssertTypesEqual<int, RemoveConst<const int>::type>(); |
| 133 } |
| 134 |
| 135 // Tests GMOCK_REMOVE_CONST_. |
| 136 |
| 137 template <typename T1, typename T2> |
| 138 void TestGMockRemoveConst() { |
| 139 CompileAssertTypesEqual<T1, GMOCK_REMOVE_CONST_(T2)>(); |
| 140 } |
| 141 |
| 142 TEST(RemoveConstTest, MacroVersion) { |
| 143 TestGMockRemoveConst<int, int>(); |
| 144 TestGMockRemoveConst<double&, double&>(); |
| 145 TestGMockRemoveConst<char, const char>(); |
| 146 } |
| 147 |
| 148 // Tests that AddReference does not affect reference types. |
| 149 TEST(AddReferenceTest, DoesNotAffectReferenceType) { |
| 150 CompileAssertTypesEqual<int&, AddReference<int&>::type>(); |
| 151 CompileAssertTypesEqual<const char&, AddReference<const char&>::type>(); |
| 152 } |
| 153 |
| 154 // Tests that AddReference adds reference to non-reference types. |
| 155 TEST(AddReferenceTest, AddsReference) { |
| 156 CompileAssertTypesEqual<int&, AddReference<int>::type>(); |
| 157 CompileAssertTypesEqual<const char&, AddReference<const char>::type>(); |
| 158 } |
| 159 |
| 160 // Tests GMOCK_ADD_REFERENCE_. |
| 161 |
| 162 template <typename T1, typename T2> |
| 163 void TestGMockAddReference() { |
| 164 CompileAssertTypesEqual<T1, GMOCK_ADD_REFERENCE_(T2)>(); |
| 165 } |
| 166 |
| 167 TEST(AddReferenceTest, MacroVersion) { |
| 168 TestGMockAddReference<int&, int>(); |
| 169 TestGMockAddReference<const char&, const char&>(); |
| 170 } |
| 171 |
| 172 // Tests GMOCK_REFERENCE_TO_CONST_. |
| 173 |
| 174 template <typename T1, typename T2> |
| 175 void TestGMockReferenceToConst() { |
| 176 CompileAssertTypesEqual<T1, GMOCK_REFERENCE_TO_CONST_(T2)>(); |
| 177 } |
| 178 |
| 179 TEST(GMockReferenceToConstTest, Works) { |
| 180 TestGMockReferenceToConst<const char&, char>(); |
| 181 TestGMockReferenceToConst<const int&, const int>(); |
| 182 TestGMockReferenceToConst<const double&, double>(); |
| 183 TestGMockReferenceToConst<const string&, const string&>(); |
| 184 } |
| 185 |
| 186 TEST(PointeeOfTest, WorksForSmartPointers) { |
| 187 CompileAssertTypesEqual<const char, |
| 188 PointeeOf<internal::linked_ptr<const char> >::type>(); |
| 189 } |
| 190 |
| 191 TEST(PointeeOfTest, WorksForRawPointers) { |
| 192 CompileAssertTypesEqual<int, PointeeOf<int*>::type>(); |
| 193 CompileAssertTypesEqual<const char, PointeeOf<const char*>::type>(); |
| 194 CompileAssertTypesEqual<void, PointeeOf<void*>::type>(); |
| 195 } |
| 196 |
| 197 TEST(GetRawPointerTest, WorksForSmartPointers) { |
| 198 const char* const raw_p4 = new const char('a'); // NOLINT |
| 199 const internal::linked_ptr<const char> p4(raw_p4); |
| 200 EXPECT_EQ(raw_p4, GetRawPointer(p4)); |
| 201 } |
| 202 |
| 203 TEST(GetRawPointerTest, WorksForRawPointers) { |
| 204 int* p = NULL; |
| 205 EXPECT_EQ(NULL, GetRawPointer(p)); |
| 206 int n = 1; |
| 207 EXPECT_EQ(&n, GetRawPointer(&n)); |
| 208 } |
| 209 |
| 210 class Base {}; |
| 211 class Derived : public Base {}; |
| 212 |
| 213 // Tests that ImplicitlyConvertible<T1, T2>::value is a compile-time constant. |
| 214 TEST(ImplicitlyConvertibleTest, ValueIsCompileTimeConstant) { |
| 215 GMOCK_COMPILE_ASSERT_((ImplicitlyConvertible<int, int>::value), const_true); |
| 216 GMOCK_COMPILE_ASSERT_((!ImplicitlyConvertible<void*, int*>::value), |
| 217 const_false); |
| 218 } |
| 219 |
| 220 // Tests that ImplicitlyConvertible<T1, T2>::value is true when T1 can |
| 221 // be implicitly converted to T2. |
| 222 TEST(ImplicitlyConvertibleTest, ValueIsTrueWhenConvertible) { |
| 223 EXPECT_TRUE((ImplicitlyConvertible<int, double>::value)); |
| 224 EXPECT_TRUE((ImplicitlyConvertible<double, int>::value)); |
| 225 EXPECT_TRUE((ImplicitlyConvertible<int*, void*>::value)); |
| 226 EXPECT_TRUE((ImplicitlyConvertible<int*, const int*>::value)); |
| 227 EXPECT_TRUE((ImplicitlyConvertible<Derived&, const Base&>::value)); |
| 228 EXPECT_TRUE((ImplicitlyConvertible<const Base, Base>::value)); |
| 229 } |
| 230 |
| 231 // Tests that ImplicitlyConvertible<T1, T2>::value is false when T1 |
| 232 // cannot be implicitly converted to T2. |
| 233 TEST(ImplicitlyConvertibleTest, ValueIsFalseWhenNotConvertible) { |
| 234 EXPECT_FALSE((ImplicitlyConvertible<double, int*>::value)); |
| 235 EXPECT_FALSE((ImplicitlyConvertible<void*, int*>::value)); |
| 236 EXPECT_FALSE((ImplicitlyConvertible<const int*, int*>::value)); |
| 237 EXPECT_FALSE((ImplicitlyConvertible<Base&, Derived&>::value)); |
| 238 } |
| 239 |
| 240 // Tests KindOf<T>. |
| 241 |
| 242 TEST(KindOfTest, Bool) { |
| 243 EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool)); // NOLINT |
| 244 } |
| 245 |
| 246 TEST(KindOfTest, Integer) { |
| 247 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT |
| 248 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT |
| 249 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT |
| 250 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT |
| 251 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT |
| 252 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT |
| 253 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT |
| 254 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT |
| 255 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT |
| 256 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT |
| 257 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(Int64)); // NOLINT |
| 258 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(UInt64)); // NOLINT |
| 259 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT |
| 260 #if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN |
| 261 // ssize_t is not defined on Windows and possibly some other OSes. |
| 262 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t)); // NOLINT |
| 263 #endif |
| 264 } |
| 265 |
| 266 TEST(KindOfTest, FloatingPoint) { |
| 267 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT |
| 268 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT |
| 269 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double)); // NOLINT |
| 270 } |
| 271 |
| 272 TEST(KindOfTest, Other) { |
| 273 EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT |
| 274 EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**)); // NOLINT |
| 275 EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT |
| 276 } |
| 277 |
| 278 // Tests LosslessArithmeticConvertible<T, U>. |
| 279 |
| 280 TEST(LosslessArithmeticConvertibleTest, BoolToBool) { |
| 281 EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value)); |
| 282 } |
| 283 |
| 284 TEST(LosslessArithmeticConvertibleTest, BoolToInteger) { |
| 285 EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value)); |
| 286 EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value)); |
| 287 EXPECT_TRUE( |
| 288 (LosslessArithmeticConvertible<bool, unsigned long>::value)); // NOLINT |
| 289 } |
| 290 |
| 291 TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) { |
| 292 EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value)); |
| 293 EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value)); |
| 294 } |
| 295 |
| 296 TEST(LosslessArithmeticConvertibleTest, IntegerToBool) { |
| 297 EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value)); |
| 298 EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value)); |
| 299 } |
| 300 |
| 301 TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) { |
| 302 // Unsigned => larger signed is fine. |
| 303 EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value)); |
| 304 |
| 305 // Unsigned => larger unsigned is fine. |
| 306 EXPECT_TRUE( |
| 307 (LosslessArithmeticConvertible<unsigned short, UInt64>::value)); // NOLINT |
| 308 |
| 309 // Signed => unsigned is not fine. |
| 310 EXPECT_FALSE((LosslessArithmeticConvertible<short, UInt64>::value)); // NOLINT |
| 311 EXPECT_FALSE((LosslessArithmeticConvertible< |
| 312 signed char, unsigned int>::value)); // NOLINT |
| 313 |
| 314 // Same size and same signedness: fine too. |
| 315 EXPECT_TRUE((LosslessArithmeticConvertible< |
| 316 unsigned char, unsigned char>::value)); |
| 317 EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value)); |
| 318 EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value)); |
| 319 EXPECT_TRUE((LosslessArithmeticConvertible< |
| 320 unsigned long, unsigned long>::value)); // NOLINT |
| 321 |
| 322 // Same size, different signedness: not fine. |
| 323 EXPECT_FALSE((LosslessArithmeticConvertible< |
| 324 unsigned char, signed char>::value)); |
| 325 EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value)); |
| 326 EXPECT_FALSE((LosslessArithmeticConvertible<UInt64, Int64>::value)); |
| 327 |
| 328 // Larger size => smaller size is not fine. |
| 329 EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value)); // NOLINT |
| 330 EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value)); |
| 331 EXPECT_FALSE((LosslessArithmeticConvertible<Int64, unsigned int>::value)); |
| 332 } |
| 333 |
| 334 TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) { |
| 335 // Integers cannot be losslessly converted to floating-points, as |
| 336 // the format of the latter is implementation-defined. |
| 337 EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value)); |
| 338 EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value)); |
| 339 EXPECT_FALSE((LosslessArithmeticConvertible< |
| 340 short, long double>::value)); // NOLINT |
| 341 } |
| 342 |
| 343 TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) { |
| 344 EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value)); |
| 345 EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value)); |
| 346 } |
| 347 |
| 348 TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) { |
| 349 EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value)); // NOLINT |
| 350 EXPECT_FALSE((LosslessArithmeticConvertible<double, Int64>::value)); |
| 351 EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value)); |
| 352 } |
| 353 |
| 354 TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) { |
| 355 // Smaller size => larger size is fine. |
| 356 EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value)); |
| 357 EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value)); |
| 358 EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value)); |
| 359 |
| 360 // Same size: fine. |
| 361 EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value)); |
| 362 EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value)); |
| 363 |
| 364 // Larger size => smaller size is not fine. |
| 365 EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value)); |
| 366 if (sizeof(double) == sizeof(long double)) { // NOLINT |
| 367 // In some implementations (e.g. MSVC), double and long double |
| 368 // have the same size. |
| 369 EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value)); |
| 370 } else { |
| 371 EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value)); |
| 372 } |
| 373 } |
| 374 |
| 375 // Tests that IsAProtocolMessage<T>::value is a compile-time constant. |
| 376 TEST(IsAProtocolMessageTest, ValueIsCompileTimeConstant) { |
| 377 GMOCK_COMPILE_ASSERT_(IsAProtocolMessage<ProtocolMessage>::value, const_true); |
| 378 GMOCK_COMPILE_ASSERT_(!IsAProtocolMessage<int>::value, const_false); |
| 379 } |
| 380 |
| 381 // Tests that IsAProtocolMessage<T>::value is true when T is |
| 382 // ProtocolMessage or a sub-class of it. |
| 383 TEST(IsAProtocolMessageTest, ValueIsTrueWhenTypeIsAProtocolMessage) { |
| 384 EXPECT_TRUE(IsAProtocolMessage<ProtocolMessage>::value); |
| 385 #if GMOCK_HAS_PROTOBUF_ |
| 386 EXPECT_TRUE(IsAProtocolMessage<const TestMessage>::value); |
| 387 #endif // GMOCK_HAS_PROTOBUF_ |
| 388 } |
| 389 |
| 390 // Tests that IsAProtocolMessage<T>::value is false when T is neither |
| 391 // ProtocolMessage nor a sub-class of it. |
| 392 TEST(IsAProtocolMessageTest, ValueIsFalseWhenTypeIsNotAProtocolMessage) { |
| 393 EXPECT_FALSE(IsAProtocolMessage<int>::value); |
| 394 EXPECT_FALSE(IsAProtocolMessage<const Base>::value); |
| 395 } |
| 396 |
| 397 // Tests IsContainerTest. |
| 398 |
| 399 class NonContainer {}; |
| 400 |
| 401 TEST(IsContainerTestTest, WorksForNonContainer) { |
| 402 EXPECT_EQ(sizeof(IsNotContainer), sizeof(IsContainerTest<int>(0))); |
| 403 EXPECT_EQ(sizeof(IsNotContainer), sizeof(IsContainerTest<char[5]>(0))); |
| 404 EXPECT_EQ(sizeof(IsNotContainer), sizeof(IsContainerTest<NonContainer>(0))); |
| 405 } |
| 406 |
| 407 TEST(IsContainerTestTest, WorksForContainer) { |
| 408 EXPECT_EQ(sizeof(IsContainer), |
| 409 sizeof(IsContainerTest<std::vector<bool> >(0))); |
| 410 EXPECT_EQ(sizeof(IsContainer), |
| 411 sizeof(IsContainerTest<std::map<int, double> >(0))); |
| 412 } |
| 413 |
| 414 // Tests the TupleMatches() template function. |
| 415 |
| 416 TEST(TupleMatchesTest, WorksForSize0) { |
| 417 tuple<> matchers; |
| 418 tuple<> values; |
| 419 |
| 420 EXPECT_TRUE(TupleMatches(matchers, values)); |
| 421 } |
| 422 |
| 423 TEST(TupleMatchesTest, WorksForSize1) { |
| 424 tuple<Matcher<int> > matchers(Eq(1)); |
| 425 tuple<int> values1(1), |
| 426 values2(2); |
| 427 |
| 428 EXPECT_TRUE(TupleMatches(matchers, values1)); |
| 429 EXPECT_FALSE(TupleMatches(matchers, values2)); |
| 430 } |
| 431 |
| 432 TEST(TupleMatchesTest, WorksForSize2) { |
| 433 tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a')); |
| 434 tuple<int, char> values1(1, 'a'), |
| 435 values2(1, 'b'), |
| 436 values3(2, 'a'), |
| 437 values4(2, 'b'); |
| 438 |
| 439 EXPECT_TRUE(TupleMatches(matchers, values1)); |
| 440 EXPECT_FALSE(TupleMatches(matchers, values2)); |
| 441 EXPECT_FALSE(TupleMatches(matchers, values3)); |
| 442 EXPECT_FALSE(TupleMatches(matchers, values4)); |
| 443 } |
| 444 |
| 445 TEST(TupleMatchesTest, WorksForSize5) { |
| 446 tuple<Matcher<int>, Matcher<char>, Matcher<bool>, Matcher<long>, // NOLINT |
| 447 Matcher<string> > |
| 448 matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi")); |
| 449 tuple<int, char, bool, long, string> // NOLINT |
| 450 values1(1, 'a', true, 2L, "hi"), |
| 451 values2(1, 'a', true, 2L, "hello"), |
| 452 values3(2, 'a', true, 2L, "hi"); |
| 453 |
| 454 EXPECT_TRUE(TupleMatches(matchers, values1)); |
| 455 EXPECT_FALSE(TupleMatches(matchers, values2)); |
| 456 EXPECT_FALSE(TupleMatches(matchers, values3)); |
| 457 } |
| 458 |
| 459 // Tests that Assert(true, ...) succeeds. |
| 460 TEST(AssertTest, SucceedsOnTrue) { |
| 461 Assert(true, __FILE__, __LINE__, "This should succeed."); |
| 462 Assert(true, __FILE__, __LINE__); // This should succeed too. |
| 463 } |
| 464 |
| 465 #if GTEST_HAS_DEATH_TEST |
| 466 |
| 467 // Tests that Assert(false, ...) generates a fatal failure. |
| 468 TEST(AssertTest, FailsFatallyOnFalse) { |
| 469 EXPECT_DEATH({ // NOLINT |
| 470 Assert(false, __FILE__, __LINE__, "This should fail."); |
| 471 }, ""); |
| 472 |
| 473 EXPECT_DEATH({ // NOLINT |
| 474 Assert(false, __FILE__, __LINE__); |
| 475 }, ""); |
| 476 } |
| 477 |
| 478 #endif // GTEST_HAS_DEATH_TEST |
| 479 |
| 480 // Tests that Expect(true, ...) succeeds. |
| 481 TEST(ExpectTest, SucceedsOnTrue) { |
| 482 Expect(true, __FILE__, __LINE__, "This should succeed."); |
| 483 Expect(true, __FILE__, __LINE__); // This should succeed too. |
| 484 } |
| 485 |
| 486 // Tests that Expect(false, ...) generates a non-fatal failure. |
| 487 TEST(ExpectTest, FailsNonfatallyOnFalse) { |
| 488 EXPECT_NONFATAL_FAILURE({ // NOLINT |
| 489 Expect(false, __FILE__, __LINE__, "This should fail."); |
| 490 }, "This should fail"); |
| 491 |
| 492 EXPECT_NONFATAL_FAILURE({ // NOLINT |
| 493 Expect(false, __FILE__, __LINE__); |
| 494 }, "Expectation failed"); |
| 495 } |
| 496 |
| 497 // TODO(wan@google.com): find a way to re-enable these tests. |
| 498 #if 0 |
| 499 |
| 500 // Tests the Log() function. |
| 501 |
| 502 // Verifies that Log() behaves correctly for the given verbosity level |
| 503 // and log severity. |
| 504 void TestLogWithSeverity(const string& verbosity, LogSeverity severity, |
| 505 bool should_print) { |
| 506 const string old_flag = GMOCK_FLAG(verbose); |
| 507 GMOCK_FLAG(verbose) = verbosity; |
| 508 CaptureTestStdout(); |
| 509 Log(severity, "Test log.\n", 0); |
| 510 if (should_print) { |
| 511 EXPECT_PRED2(RE::FullMatch, |
| 512 GetCapturedTestStdout(), |
| 513 severity == WARNING ? |
| 514 "\nGMOCK WARNING:\nTest log\\.\nStack trace:\n[\\s\\S]*" : |
| 515 "\nTest log\\.\nStack trace:\n[\\s\\S]*"); |
| 516 } else { |
| 517 EXPECT_EQ("", GetCapturedTestStdout()); |
| 518 } |
| 519 GMOCK_FLAG(verbose) = old_flag; |
| 520 } |
| 521 |
| 522 // Tests that when the stack_frames_to_skip parameter is negative, |
| 523 // Log() doesn't include the stack trace in the output. |
| 524 TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) { |
| 525 GMOCK_FLAG(verbose) = kInfoVerbosity; |
| 526 CaptureTestStdout(); |
| 527 Log(INFO, "Test log.\n", -1); |
| 528 EXPECT_EQ("\nTest log.\n", GetCapturedTestStdout()); |
| 529 } |
| 530 |
| 531 // Tests that in opt mode, a positive stack_frames_to_skip argument is |
| 532 // treated as 0. |
| 533 TEST(LogTest, NoSkippingStackFrameInOptMode) { |
| 534 CaptureTestStdout(); |
| 535 Log(WARNING, "Test log.\n", 100); |
| 536 const string log = GetCapturedTestStdout(); |
| 537 #ifdef NDEBUG |
| 538 // In opt mode, no stack frame should be skipped. |
| 539 EXPECT_THAT(log, ContainsRegex("\nGMOCK WARNING:\n" |
| 540 "Test log\\.\n" |
| 541 "Stack trace:\n" |
| 542 ".+")); |
| 543 #else |
| 544 // In dbg mode, the stack frames should be skipped. |
| 545 EXPECT_EQ("\nGMOCK WARNING:\n" |
| 546 "Test log.\n" |
| 547 "Stack trace:\n", log); |
| 548 #endif // NDEBUG |
| 549 } |
| 550 |
| 551 // Tests that all logs are printed when the value of the |
| 552 // --gmock_verbose flag is "info". |
| 553 TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) { |
| 554 TestLogWithSeverity(kInfoVerbosity, INFO, true); |
| 555 TestLogWithSeverity(kInfoVerbosity, WARNING, true); |
| 556 } |
| 557 |
| 558 // Tests that only warnings are printed when the value of the |
| 559 // --gmock_verbose flag is "warning". |
| 560 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) { |
| 561 TestLogWithSeverity(kWarningVerbosity, INFO, false); |
| 562 TestLogWithSeverity(kWarningVerbosity, WARNING, true); |
| 563 } |
| 564 |
| 565 // Tests that no logs are printed when the value of the |
| 566 // --gmock_verbose flag is "error". |
| 567 TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) { |
| 568 TestLogWithSeverity(kErrorVerbosity, INFO, false); |
| 569 TestLogWithSeverity(kErrorVerbosity, WARNING, false); |
| 570 } |
| 571 |
| 572 // Tests that only warnings are printed when the value of the |
| 573 // --gmock_verbose flag is invalid. |
| 574 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) { |
| 575 TestLogWithSeverity("invalid", INFO, false); |
| 576 TestLogWithSeverity("invalid", WARNING, true); |
| 577 } |
| 578 |
| 579 #endif // 0 |
| 580 |
| 581 TEST(TypeTraitsTest, true_type) { |
| 582 EXPECT_TRUE(true_type::value); |
| 583 } |
| 584 |
| 585 TEST(TypeTraitsTest, false_type) { |
| 586 EXPECT_FALSE(false_type::value); |
| 587 } |
| 588 |
| 589 TEST(TypeTraitsTest, is_reference) { |
| 590 EXPECT_FALSE(is_reference<int>::value); |
| 591 EXPECT_FALSE(is_reference<char*>::value); |
| 592 EXPECT_TRUE(is_reference<const int&>::value); |
| 593 } |
| 594 |
| 595 TEST(TypeTraitsTest, is_pointer) { |
| 596 EXPECT_FALSE(is_pointer<int>::value); |
| 597 EXPECT_FALSE(is_pointer<char&>::value); |
| 598 EXPECT_TRUE(is_pointer<const int*>::value); |
| 599 } |
| 600 |
| 601 TEST(TypeTraitsTest, type_equals) { |
| 602 EXPECT_FALSE((type_equals<int, const int>::value)); |
| 603 EXPECT_FALSE((type_equals<int, int&>::value)); |
| 604 EXPECT_FALSE((type_equals<int, double>::value)); |
| 605 EXPECT_TRUE((type_equals<char, char>::value)); |
| 606 } |
| 607 |
| 608 TEST(TypeTraitsTest, remove_reference) { |
| 609 EXPECT_TRUE((type_equals<char, remove_reference<char&>::type>::value)); |
| 610 EXPECT_TRUE((type_equals<const int, |
| 611 remove_reference<const int&>::type>::value)); |
| 612 EXPECT_TRUE((type_equals<int, remove_reference<int>::type>::value)); |
| 613 EXPECT_TRUE((type_equals<double*, remove_reference<double*>::type>::value)); |
| 614 } |
| 615 |
| 616 // TODO(wan@google.com): find a way to re-enable these tests. |
| 617 #if 0 |
| 618 |
| 619 // Verifies that Log() behaves correctly for the given verbosity level |
| 620 // and log severity. |
| 621 string GrabOutput(void(*logger)(), const char* verbosity) { |
| 622 const string saved_flag = GMOCK_FLAG(verbose); |
| 623 GMOCK_FLAG(verbose) = verbosity; |
| 624 CaptureTestStdout(); |
| 625 logger(); |
| 626 GMOCK_FLAG(verbose) = saved_flag; |
| 627 return GetCapturedTestStdout(); |
| 628 } |
| 629 |
| 630 class DummyMock { |
| 631 public: |
| 632 MOCK_METHOD0(TestMethod, void()); |
| 633 MOCK_METHOD1(TestMethodArg, void(int dummy)); |
| 634 }; |
| 635 |
| 636 void ExpectCallLogger() { |
| 637 DummyMock mock; |
| 638 EXPECT_CALL(mock, TestMethod()); |
| 639 mock.TestMethod(); |
| 640 }; |
| 641 |
| 642 // Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info". |
| 643 TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) { |
| 644 EXPECT_THAT(GrabOutput(ExpectCallLogger, kInfoVerbosity), |
| 645 HasSubstr("EXPECT_CALL(mock, TestMethod())")); |
| 646 } |
| 647 |
| 648 // Verifies that EXPECT_CALL doesn't log |
| 649 // if the --gmock_verbose flag is set to "warning". |
| 650 TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) { |
| 651 EXPECT_EQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity)); |
| 652 } |
| 653 |
| 654 // Verifies that EXPECT_CALL doesn't log |
| 655 // if the --gmock_verbose flag is set to "error". |
| 656 TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) { |
| 657 EXPECT_EQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity)); |
| 658 } |
| 659 |
| 660 void OnCallLogger() { |
| 661 DummyMock mock; |
| 662 ON_CALL(mock, TestMethod()); |
| 663 }; |
| 664 |
| 665 // Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info". |
| 666 TEST(OnCallTest, LogsWhenVerbosityIsInfo) { |
| 667 EXPECT_THAT(GrabOutput(OnCallLogger, kInfoVerbosity), |
| 668 HasSubstr("ON_CALL(mock, TestMethod())")); |
| 669 } |
| 670 |
| 671 // Verifies that ON_CALL doesn't log |
| 672 // if the --gmock_verbose flag is set to "warning". |
| 673 TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) { |
| 674 EXPECT_EQ("", GrabOutput(OnCallLogger, kWarningVerbosity)); |
| 675 } |
| 676 |
| 677 // Verifies that ON_CALL doesn't log if |
| 678 // the --gmock_verbose flag is set to "error". |
| 679 TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) { |
| 680 EXPECT_EQ("", GrabOutput(OnCallLogger, kErrorVerbosity)); |
| 681 } |
| 682 |
| 683 void OnCallAnyArgumentLogger() { |
| 684 DummyMock mock; |
| 685 ON_CALL(mock, TestMethodArg(_)); |
| 686 } |
| 687 |
| 688 // Verifies that ON_CALL prints provided _ argument. |
| 689 TEST(OnCallTest, LogsAnythingArgument) { |
| 690 EXPECT_THAT(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity), |
| 691 HasSubstr("ON_CALL(mock, TestMethodArg(_)")); |
| 692 } |
| 693 |
| 694 #endif // 0 |
| 695 |
| 696 } // namespace |
| 697 } // namespace internal |
| 698 } // namespace testing |
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