diff options
Diffstat (limited to 'test/gtest-printers_test.cc')
| -rw-r--r-- | test/gtest-printers_test.cc | 270 |
1 files changed, 260 insertions, 10 deletions
diff --git a/test/gtest-printers_test.cc b/test/gtest-printers_test.cc index 58d9622..45610f8 100644 --- a/test/gtest-printers_test.cc +++ b/test/gtest-printers_test.cc @@ -197,14 +197,15 @@ using ::std::pair; using ::std::set; using ::std::vector; using ::testing::PrintToString; +using ::testing::internal::FormatForComparisonFailureMessage; using ::testing::internal::ImplicitCast_; using ::testing::internal::NativeArray; using ::testing::internal::RE; using ::testing::internal::Strings; -using ::testing::internal::UniversalTersePrint; using ::testing::internal::UniversalPrint; -using ::testing::internal::UniversalTersePrintTupleFieldsToStrings; using ::testing::internal::UniversalPrinter; +using ::testing::internal::UniversalTersePrint; +using ::testing::internal::UniversalTersePrintTupleFieldsToStrings; using ::testing::internal::kReference; using ::testing::internal::string; @@ -613,17 +614,30 @@ TEST(PrintArrayTest, ConstArray) { EXPECT_EQ("{ false }", PrintArrayHelper(a)); } -// Char array. -TEST(PrintArrayTest, CharArray) { +// char array without terminating NUL. +TEST(PrintArrayTest, CharArrayWithNoTerminatingNul) { + // Array a contains '\0' in the middle and doesn't end with '\0'. + char a[] = { 'H', '\0', 'i' }; + EXPECT_EQ("\"H\\0i\" (no terminating NUL)", PrintArrayHelper(a)); +} + +// const char array with terminating NUL. +TEST(PrintArrayTest, ConstCharArrayWithTerminatingNul) { + const char a[] = "\0Hi"; + EXPECT_EQ("\"\\0Hi\"", PrintArrayHelper(a)); +} + +// const wchar_t array without terminating NUL. +TEST(PrintArrayTest, WCharArrayWithNoTerminatingNul) { // Array a contains '\0' in the middle and doesn't end with '\0'. - char a[3] = { 'H', '\0', 'i' }; - EXPECT_EQ("\"H\\0i\"", PrintArrayHelper(a)); + const wchar_t a[] = { L'H', L'\0', L'i' }; + EXPECT_EQ("L\"H\\0i\" (no terminating NUL)", PrintArrayHelper(a)); } -// Const char array. -TEST(PrintArrayTest, ConstCharArray) { - const char a[4] = "\0Hi"; - EXPECT_EQ("\"\\0Hi\\0\"", PrintArrayHelper(a)); +// wchar_t array with terminating NUL. +TEST(PrintArrayTest, WConstCharArrayWithTerminatingNul) { + const wchar_t a[] = L"\0Hi"; + EXPECT_EQ("L\"\\0Hi\"", PrintArrayHelper(a)); } // Array of objects. @@ -1186,6 +1200,207 @@ TEST(PrintReferenceTest, HandlesMemberVariablePointer) { "@" + PrintPointer(&p) + " " + Print(sizeof(p)) + "-byte object ")); } +// Tests that FormatForComparisonFailureMessage(), which is used to print +// an operand in a comparison assertion (e.g. ASSERT_EQ) when the assertion +// fails, formats the operand in the desired way. + +// scalar +TEST(FormatForComparisonFailureMessageTest, WorksForScalar) { + EXPECT_STREQ("123", + FormatForComparisonFailureMessage(123, 124).c_str()); +} + +// non-char pointer +TEST(FormatForComparisonFailureMessageTest, WorksForNonCharPointer) { + int n = 0; + EXPECT_EQ(PrintPointer(&n), + FormatForComparisonFailureMessage(&n, &n).c_str()); +} + +// non-char array +TEST(FormatForComparisonFailureMessageTest, FormatsNonCharArrayAsPointer) { + // In expression 'array == x', 'array' is compared by pointer. + // Therefore we want to print an array operand as a pointer. + int n[] = { 1, 2, 3 }; + EXPECT_EQ(PrintPointer(n), + FormatForComparisonFailureMessage(n, n).c_str()); +} + +// Tests formatting a char pointer when it's compared with another pointer. +// In this case we want to print it as a raw pointer, as the comparision is by +// pointer. + +// char pointer vs pointer +TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsPointer) { + // In expression 'p == x', where 'p' and 'x' are (const or not) char + // pointers, the operands are compared by pointer. Therefore we + // want to print 'p' as a pointer instead of a C string (we don't + // even know if it's supposed to point to a valid C string). + + // const char* + const char* s = "hello"; + EXPECT_EQ(PrintPointer(s), + FormatForComparisonFailureMessage(s, s).c_str()); + + // char* + char ch = 'a'; + EXPECT_EQ(PrintPointer(&ch), + FormatForComparisonFailureMessage(&ch, &ch).c_str()); +} + +// wchar_t pointer vs pointer +TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsPointer) { + // In expression 'p == x', where 'p' and 'x' are (const or not) char + // pointers, the operands are compared by pointer. Therefore we + // want to print 'p' as a pointer instead of a wide C string (we don't + // even know if it's supposed to point to a valid wide C string). + + // const wchar_t* + const wchar_t* s = L"hello"; + EXPECT_EQ(PrintPointer(s), + FormatForComparisonFailureMessage(s, s).c_str()); + + // wchar_t* + wchar_t ch = L'a'; + EXPECT_EQ(PrintPointer(&ch), + FormatForComparisonFailureMessage(&ch, &ch).c_str()); +} + +// Tests formatting a char pointer when it's compared to a string object. +// In this case we want to print the char pointer as a C string. + +#if GTEST_HAS_GLOBAL_STRING +// char pointer vs ::string +TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsString) { + const char* s = "hello \"world"; + EXPECT_STREQ("\"hello \\\"world\"", // The string content should be escaped. + FormatForComparisonFailureMessage(s, ::string()).c_str()); + + // char* + char str[] = "hi\1"; + char* p = str; + EXPECT_STREQ("\"hi\\x1\"", // The string content should be escaped. + FormatForComparisonFailureMessage(p, ::string()).c_str()); +} +#endif + +// char pointer vs std::string +TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsStdString) { + const char* s = "hello \"world"; + EXPECT_STREQ("\"hello \\\"world\"", // The string content should be escaped. + FormatForComparisonFailureMessage(s, ::std::string()).c_str()); + + // char* + char str[] = "hi\1"; + char* p = str; + EXPECT_STREQ("\"hi\\x1\"", // The string content should be escaped. + FormatForComparisonFailureMessage(p, ::std::string()).c_str()); +} + +#if GTEST_HAS_GLOBAL_WSTRING +// wchar_t pointer vs ::wstring +TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsWString) { + const wchar_t* s = L"hi \"world"; + EXPECT_STREQ("L\"hi \\\"world\"", // The string content should be escaped. + FormatForComparisonFailureMessage(s, ::wstring()).c_str()); + + // wchar_t* + wchar_t str[] = L"hi\1"; + wchar_t* p = str; + EXPECT_STREQ("L\"hi\\x1\"", // The string content should be escaped. + FormatForComparisonFailureMessage(p, ::wstring()).c_str()); +} +#endif + +#if GTEST_HAS_STD_WSTRING +// wchar_t pointer vs std::wstring +TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsStdWString) { + const wchar_t* s = L"hi \"world"; + EXPECT_STREQ("L\"hi \\\"world\"", // The string content should be escaped. + FormatForComparisonFailureMessage(s, ::std::wstring()).c_str()); + + // wchar_t* + wchar_t str[] = L"hi\1"; + wchar_t* p = str; + EXPECT_STREQ("L\"hi\\x1\"", // The string content should be escaped. + FormatForComparisonFailureMessage(p, ::std::wstring()).c_str()); +} +#endif + +// Tests formatting a char array when it's compared with a pointer or array. +// In this case we want to print the array as a row pointer, as the comparison +// is by pointer. + +// char array vs pointer +TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsPointer) { + char str[] = "hi \"world\""; + char* p = NULL; + EXPECT_EQ(PrintPointer(str), + FormatForComparisonFailureMessage(str, p).c_str()); +} + +// char array vs char array +TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsCharArray) { + const char str[] = "hi \"world\""; + EXPECT_EQ(PrintPointer(str), + FormatForComparisonFailureMessage(str, str).c_str()); +} + +// wchar_t array vs pointer +TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsPointer) { + wchar_t str[] = L"hi \"world\""; + wchar_t* p = NULL; + EXPECT_EQ(PrintPointer(str), + FormatForComparisonFailureMessage(str, p).c_str()); +} + +// wchar_t array vs wchar_t array +TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsWCharArray) { + const wchar_t str[] = L"hi \"world\""; + EXPECT_EQ(PrintPointer(str), + FormatForComparisonFailureMessage(str, str).c_str()); +} + +// Tests formatting a char array when it's compared with a string object. +// In this case we want to print the array as a C string. + +#if GTEST_HAS_GLOBAL_STRING +// char array vs string +TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsString) { + const char str[] = "hi \"w\0rld\""; + EXPECT_STREQ("\"hi \\\"w\"", // The content should be escaped. + // Embedded NUL terminates the string. + FormatForComparisonFailureMessage(str, ::string()).c_str()); +} +#endif + +// char array vs std::string +TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsStdString) { + const char str[] = "hi \"world\""; + EXPECT_STREQ("\"hi \\\"world\\\"\"", // The content should be escaped. + FormatForComparisonFailureMessage(str, ::std::string()).c_str()); +} + +#if GTEST_HAS_GLOBAL_WSTRING +// wchar_t array vs wstring +TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsWString) { + const wchar_t str[] = L"hi \"world\""; + EXPECT_STREQ("L\"hi \\\"world\\\"\"", // The content should be escaped. + FormatForComparisonFailureMessage(str, ::wstring()).c_str()); +} +#endif + +#if GTEST_HAS_STD_WSTRING +// wchar_t array vs std::wstring +TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsStdWString) { + const wchar_t str[] = L"hi \"w\0rld\""; + EXPECT_STREQ( + "L\"hi \\\"w\"", // The content should be escaped. + // Embedded NUL terminates the string. + FormatForComparisonFailureMessage(str, ::std::wstring()).c_str()); +} +#endif + // Useful for testing PrintToString(). We cannot use EXPECT_EQ() // there as its implementation uses PrintToString(). The caller must // ensure that 'value' has no side effect. @@ -1208,11 +1423,35 @@ TEST(PrintToStringTest, WorksForPointerToNonConstChar) { EXPECT_PRINT_TO_STRING_(p, "\"hello\""); } +TEST(PrintToStringTest, EscapesForPointerToConstChar) { + const char* p = "hello\n"; + EXPECT_PRINT_TO_STRING_(p, "\"hello\\n\""); +} + +TEST(PrintToStringTest, EscapesForPointerToNonConstChar) { + char s[] = "hello\1"; + char* p = s; + EXPECT_PRINT_TO_STRING_(p, "\"hello\\x1\""); +} + TEST(PrintToStringTest, WorksForArray) { int n[3] = { 1, 2, 3 }; EXPECT_PRINT_TO_STRING_(n, "{ 1, 2, 3 }"); } +TEST(PrintToStringTest, WorksForCharArray) { + char s[] = "hello"; + EXPECT_PRINT_TO_STRING_(s, "\"hello\""); +} + +TEST(PrintToStringTest, WorksForCharArrayWithEmbeddedNul) { + const char str_with_nul[] = "hello\0 world"; + EXPECT_PRINT_TO_STRING_(str_with_nul, "\"hello\\0 world\""); + + char mutable_str_with_nul[] = "hello\0 world"; + EXPECT_PRINT_TO_STRING_(mutable_str_with_nul, "\"hello\\0 world\""); +} + #undef EXPECT_PRINT_TO_STRING_ TEST(UniversalTersePrintTest, WorksForNonReference) { @@ -1275,6 +1514,17 @@ TEST(UniversalPrintTest, WorksForCString) { EXPECT_EQ("NULL", ss3.str()); } +TEST(UniversalPrintTest, WorksForCharArray) { + const char str[] = "\"Line\0 1\"\nLine 2"; + ::std::stringstream ss1; + UniversalPrint(str, &ss1); + EXPECT_EQ("\"\\\"Line\\0 1\\\"\\nLine 2\"", ss1.str()); + + const char mutable_str[] = "\"Line\0 1\"\nLine 2"; + ::std::stringstream ss2; + UniversalPrint(mutable_str, &ss2); + EXPECT_EQ("\"\\\"Line\\0 1\\\"\\nLine 2\"", ss2.str()); +} #if GTEST_HAS_TR1_TUPLE |