diff options
| -rw-r--r-- | BUILD.bazel | 20 | ||||
| -rw-r--r-- | WORKSPACE | 7 | ||||
| -rw-r--r-- | googletest/include/gtest/gtest-printers.h | 28 | ||||
| -rw-r--r-- | googletest/test/gtest-printers_test.cc | 12 |
4 files changed, 67 insertions, 0 deletions
diff --git a/BUILD.bazel b/BUILD.bazel index 7d2e9d2b..91dd3b74 100644 --- a/BUILD.bazel +++ b/BUILD.bazel @@ -46,6 +46,12 @@ config_setting( values = {"cpu": "x64_windows_msvc"}, ) +config_setting( + name = "has_absl", + values = {"define": "absl=1"}, +) + + # Google Test including Google Mock cc_library( name = "gtest", @@ -88,6 +94,20 @@ cc_library( "-pthread", ], }), + defines = select ({ + ":has_absl": [ + "GTEST_HAS_ABSL=1", + ], + "//conditions:default": [], + } + ), + deps = select ({ + ":has_absl": [ + "@com_google_absl//absl/types:optional", + ], + "//conditions:default": [], + } + ) ) cc_library( @@ -1 +1,8 @@ workspace(name = "com_google_googletest") + +# Abseil +http_archive( + name = "com_google_absl", + urls = ["https://github.com/abseil/abseil-cpp/archive/master.zip"], + strip_prefix = "abseil-cpp-master", +) diff --git a/googletest/include/gtest/gtest-printers.h b/googletest/include/gtest/gtest-printers.h index 38c63d25..8dcb256a 100644 --- a/googletest/include/gtest/gtest-printers.h +++ b/googletest/include/gtest/gtest-printers.h @@ -46,6 +46,10 @@ // 2. operator<<(ostream&, const T&) defined in either foo or the // global namespace. // +// However if T is an STL-style container then it is printed element-wise +// unless foo::PrintTo(const T&, ostream*) is defined. Note that +// operator<<() is ignored for container types. +// // If none of the above is defined, it will print the debug string of // the value if it is a protocol buffer, or print the raw bytes in the // value otherwise. @@ -107,6 +111,10 @@ # include <tuple> #endif +#if GTEST_HAS_ABSL +#include "absl/types/optional.h" +#endif // GTEST_HAS_ABSL + namespace testing { // Definitions in the 'internal' and 'internal2' name spaces are @@ -722,6 +730,26 @@ class UniversalPrinter { GTEST_DISABLE_MSC_WARNINGS_POP_() }; +#if GTEST_HAS_ABSL + +// Printer for absl::optional + +template <typename T> +class UniversalPrinter<::absl::optional<T>> { + public: + static void Print(const ::absl::optional<T>& value, ::std::ostream* os) { + *os << '('; + if (!value) { + *os << "nullopt"; + } else { + UniversalPrint(*value, os); + } + *os << ')'; + } +}; + +#endif // GTEST_HAS_ABSL + // UniversalPrintArray(begin, len, os) prints an array of 'len' // elements, starting at address 'begin'. template <typename T> diff --git a/googletest/test/gtest-printers_test.cc b/googletest/test/gtest-printers_test.cc index e30ce7ef..42e19656 100644 --- a/googletest/test/gtest-printers_test.cc +++ b/googletest/test/gtest-printers_test.cc @@ -1765,5 +1765,17 @@ TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsTersely) { #endif // GTEST_HAS_STD_TUPLE_ +#if GTEST_HAS_ABSL + +TEST(PrintOptionalTest, Basic) { + absl::optional<int> value; + EXPECT_EQ("(nullopt)", PrintToString(value)); + value = {7}; + EXPECT_EQ("(7)", PrintToString(value)); + EXPECT_EQ("(1.1)", PrintToString(absl::optional<double>{1.1})); + EXPECT_EQ("(\"A\")", PrintToString(absl::optional<std::string>{"A"})); +} +#endif // GTEST_HAS_ABSL + } // namespace gtest_printers_test } // namespace testing |
