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Add support for custom precision in floating point stringification

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Closes #1612
This commit is contained in:
mlimber
2019-04-26 11:14:33 -04:00
committed by Martin Hořeňovský
parent 9c741fe960
commit 53a83e855e
3 changed files with 55 additions and 2 deletions
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23
projects/SelfTest/UsageTests/ToStringGeneral.tests.cpp
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@@ -128,6 +128,29 @@ TEST_CASE("String views are stringified like other strings", "[toString][approva
#endif
//TEMPLATE_TEST_CASE("Floating-point precision can be set", "[toString][floatingPoint]", float, double)
//{
// const auto oldPrecision = Catch::StringMaker<TestType>::getPrecision();
// const auto precision = GENERATE(-1, 0, 3, std::numeric_limits<TestType>::max_digits10);
// const auto expectedLength = unsigned(precision < 0 ? 3 : precision);
//
// CAPTURE( precision );
//
// if (precision >= 0)
// {
// Catch::StringMaker<TestType>::setPrecision(precision);
// }
//
// // Expected to fail to demonstrate the problem
// const auto str = Catch::StringMaker<TestType>::convert(std::numeric_limits<TestType>::epsilon());
// CHECK(str.length() >= expectedLength);
//
// if (precision >= 0)
// {
// Catch::StringMaker<TestType>::setPrecision(oldPrecision);
// }
//}
namespace {
struct WhatException : std::exception {