diff options
Diffstat (limited to 'absl/flags/marshalling_test.cc')
-rw-r--r-- | absl/flags/marshalling_test.cc | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/absl/flags/marshalling_test.cc b/absl/flags/marshalling_test.cc index 4a64ce11..691cd2f1 100644 --- a/absl/flags/marshalling_test.cc +++ b/absl/flags/marshalling_test.cc @@ -659,6 +659,88 @@ TEST(MarshallingTest, TestVectorOfStringParsing) { // -------------------------------------------------------------------- +TEST(MarshallingTest, TestOptionalBoolParsing) { + std::string err; + absl::optional<bool> value; + + EXPECT_TRUE(absl::ParseFlag("", &value, &err)); + EXPECT_FALSE(value.has_value()); + + EXPECT_TRUE(absl::ParseFlag("true", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_TRUE(*value); + + EXPECT_TRUE(absl::ParseFlag("false", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_FALSE(*value); + + EXPECT_FALSE(absl::ParseFlag("nullopt", &value, &err)); +} + +// -------------------------------------------------------------------- + +TEST(MarshallingTest, TestOptionalIntParsing) { + std::string err; + absl::optional<int> value; + + EXPECT_TRUE(absl::ParseFlag("", &value, &err)); + EXPECT_FALSE(value.has_value()); + + EXPECT_TRUE(absl::ParseFlag("10", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_EQ(*value, 10); + + EXPECT_TRUE(absl::ParseFlag("0x1F", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_EQ(*value, 31); + + EXPECT_FALSE(absl::ParseFlag("nullopt", &value, &err)); +} + +// -------------------------------------------------------------------- + +TEST(MarshallingTest, TestOptionalDoubleParsing) { + std::string err; + absl::optional<double> value; + + EXPECT_TRUE(absl::ParseFlag("", &value, &err)); + EXPECT_FALSE(value.has_value()); + + EXPECT_TRUE(absl::ParseFlag("1.11", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_EQ(*value, 1.11); + + EXPECT_TRUE(absl::ParseFlag("-0.12", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_EQ(*value, -0.12); + + EXPECT_FALSE(absl::ParseFlag("nullopt", &value, &err)); +} + +// -------------------------------------------------------------------- + +TEST(MarshallingTest, TestOptionalStringParsing) { + std::string err; + absl::optional<std::string> value; + + EXPECT_TRUE(absl::ParseFlag("", &value, &err)); + EXPECT_FALSE(value.has_value()); + + EXPECT_TRUE(absl::ParseFlag(" ", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_EQ(*value, " "); + + EXPECT_TRUE(absl::ParseFlag("aqswde", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_EQ(*value, "aqswde"); + + EXPECT_TRUE(absl::ParseFlag("nullopt", &value, &err)); + EXPECT_TRUE(value.has_value()); + EXPECT_EQ(*value, "nullopt"); +} + +// -------------------------------------------------------------------- + TEST(MarshallingTest, TestBoolUnparsing) { EXPECT_EQ(absl::UnparseFlag(true), "true"); EXPECT_EQ(absl::UnparseFlag(false), "false"); @@ -808,6 +890,86 @@ TEST(MarshallingTest, TestStringUnparsing) { // -------------------------------------------------------------------- +TEST(MarshallingTest, TestOptionalBoolUnparsing) { + absl::optional<bool> value; + + EXPECT_EQ(absl::UnparseFlag(value), ""); + value = true; + EXPECT_EQ(absl::UnparseFlag(value), "true"); + value = false; + EXPECT_EQ(absl::UnparseFlag(value), "false"); + value = absl::nullopt; + EXPECT_EQ(absl::UnparseFlag(value), ""); +} + +// -------------------------------------------------------------------- + +TEST(MarshallingTest, TestOptionalIntUnparsing) { + absl::optional<int> value; + + EXPECT_EQ(absl::UnparseFlag(value), ""); + value = 0; + EXPECT_EQ(absl::UnparseFlag(value), "0"); + value = -12; + EXPECT_EQ(absl::UnparseFlag(value), "-12"); + value = absl::nullopt; + EXPECT_EQ(absl::UnparseFlag(value), ""); +} + +// -------------------------------------------------------------------- + +TEST(MarshallingTest, TestOptionalDoubleUnparsing) { + absl::optional<double> value; + + EXPECT_EQ(absl::UnparseFlag(value), ""); + value = 1.; + EXPECT_EQ(absl::UnparseFlag(value), "1"); + value = -1.23; + EXPECT_EQ(absl::UnparseFlag(value), "-1.23"); + value = absl::nullopt; + EXPECT_EQ(absl::UnparseFlag(value), ""); +} + +// -------------------------------------------------------------------- + +TEST(MarshallingTest, TestOptionalStringUnparsing) { + absl::optional<std::string> value; + + EXPECT_EQ(absl::UnparseFlag(value), ""); + value = "asdfg"; + EXPECT_EQ(absl::UnparseFlag(value), "asdfg"); + value = " "; + EXPECT_EQ(absl::UnparseFlag(value), " "); + value = ""; // This is UB to set optional string flag to "" + EXPECT_EQ(absl::UnparseFlag(value), ""); + value = absl::nullopt; + EXPECT_EQ(absl::UnparseFlag(value), ""); +} + +// -------------------------------------------------------------------- + +#if defined(ABSL_HAVE_STD_OPTIONAL) && !defined(ABSL_USES_STD_OPTIONAL) + +TEST(MarshallingTest, TestStdOptionalUnparsing) { + std::optional<std::string> strvalue; + + EXPECT_EQ(absl::UnparseFlag(strvalue), ""); + strvalue = "asdfg"; + EXPECT_EQ(absl::UnparseFlag(strvalue), "asdfg"); + strvalue = std::nullopt; + EXPECT_EQ(absl::UnparseFlag(strvalue), ""); + + std::optional<int> intvalue(10); + + EXPECT_EQ(absl::UnparseFlag(intvalue), "10"); + intvalue = std::nullopt; + EXPECT_EQ(absl::UnparseFlag(intvalue), ""); +} + +// -------------------------------------------------------------------- + +#endif + template <typename T> void TestRoundtrip(T v) { T new_v; 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