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Common/Util: Trinity::StringTo<double> support (PR #25364)

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(cherry picked from commit f45aa5cac1)
This commit is contained in:
Treeston
2020-09-02 22:04:45 +02:00
committed by Shauren
parent 0d54a5ecb4
commit da8a66a05e
4 changed files with 136 additions and 32 deletions
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25
tests/common/StringConvert.cpp
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@@ -119,7 +119,7 @@ TEST_CASE("String to smaller integer types", "[StringConvert]")
REQUIRE(Trinity::StringTo<int16>("-1", 0) == -1);
}
TEST_CASE("Test.String to boolean", "[StringConvert]")
TEST_CASE("String to boolean", "[StringConvert]")
{
REQUIRE(Trinity::StringTo<bool>("true") == true);
REQUIRE(Trinity::StringTo<bool>("false") == false);
@@ -129,3 +129,26 @@ TEST_CASE("Test.String to boolean", "[StringConvert]")
REQUIRE(Trinity::StringTo<bool>("1", 10) == true);
REQUIRE(Trinity::StringTo<bool>("0", 10) == false);
}
TEST_CASE("String to double", "[StringConvert]")
{
using namespace Catch::literals;
REQUIRE(Trinity::StringTo<double>("0.5") == 0.5);
REQUIRE(Trinity::StringTo<double>("0.1") == 0.1_a);
REQUIRE(Trinity::StringTo<double>("1.2.3") == std::nullopt);
REQUIRE(Trinity::StringTo<double>("1e+5") == 100000.0);
REQUIRE(Trinity::StringTo<double>("1e+3+5") == std::nullopt);
REQUIRE(Trinity::StringTo<double>("a1.5") == std::nullopt);
REQUIRE(Trinity::StringTo<double>("1.5tail") == std::nullopt);
REQUIRE(Trinity::StringTo<double>("0x0") == 0.0);
REQUIRE(Trinity::StringTo<double>("0x0", 16) == std::nullopt);
REQUIRE(Trinity::StringTo<double>("0", 16) == 0.0);
REQUIRE(Trinity::StringTo<double>("0x1.BC70A3D70A3D7p+6") == 0x1.BC70A3D70A3D7p+6);
REQUIRE(Trinity::StringTo<double>("0x1.BC70A3D70A3D7p+6", 10) == std::nullopt);
REQUIRE(Trinity::StringTo<double>("0x1.BC70A3D70A3D7p+6", 16) == std::nullopt);
REQUIRE(Trinity::StringTo<double>("1.BC70A3D70A3D7p+6", 16) == 0x1.BC70A3D70A3D7p+6);
REQUIRE(Trinity::StringTo<double>("0x1.2.3") == std::nullopt);
REQUIRE(Trinity::StringTo<double>("0x1.AAAp+1-3") == std::nullopt);
REQUIRE(Trinity::StringTo<double>("1.2.3", 16) == std::nullopt);
REQUIRE(Trinity::StringTo<double>("1.AAAp+1-3", 16) == std::nullopt);
}