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specialize UniversalPrinter<> for std::variant

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This commit is contained in:
Krystian Kuzniarek
2020-03-07 15:41:43 +01:00
parent e588eb1ff9
commit 33b44c4b35
3 changed files with 55 additions and 12 deletions
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13
googletest/test/googletest-printers-test.cc
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@@ -1542,21 +1542,24 @@ TEST(PrintOptionalTest, Basic) {
EXPECT_EQ("(\"A\")", PrintToString(absl::optional<std::string>{"A"}));
}
#endif // GTEST_HAS_ABSL
#if GTEST_INTERNAL_HAS_VARIANT
struct NonPrintable {
unsigned char contents = 17;
};
TEST(PrintOneofTest, Basic) {
using Type = absl::variant<int, StreamableInGlobal, NonPrintable>;
EXPECT_EQ("('int' with value 7)", PrintToString(Type(7)));
EXPECT_EQ("('StreamableInGlobal' with value StreamableInGlobal)",
using Type = internal::Variant<int, StreamableInGlobal, NonPrintable>;
EXPECT_EQ("('int(0)' with value 7)", PrintToString(Type(7)));
EXPECT_EQ("('StreamableInGlobal(1)' with value StreamableInGlobal)",
PrintToString(Type(StreamableInGlobal{})));
EXPECT_EQ(
"('testing::gtest_printers_test::NonPrintable' with value 1-byte object "
"('testing::gtest_printers_test::NonPrintable(2)' with value 1-byte object "
"<11>)",
PrintToString(Type(NonPrintable{})));
}
#endif // GTEST_HAS_ABSL
#endif // GTEST_INTERNAL_HAS_VARIANT
namespace {
class string_ref;