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Add support for comparison of Approx with strong typedefs

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closes #652
This commit is contained in:
Jonathan Coe
2016-05-12 19:18:44 +01:00
committed by Martin Hořeňovský
parent 73872207db
commit c06afe438e
2 changed files with 93 additions and 0 deletions
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41
projects/SelfTest/ApproxTests.cpp
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@@ -140,3 +140,44 @@ TEST_CASE( "Approximate PI", "[Approx][PI]" )
REQUIRE( divide( 22, 7 ) == Approx( 3.141 ).epsilon( 0.001 ) );
REQUIRE( divide( 22, 7 ) != Approx( 3.141 ).epsilon( 0.0001 ) );
}
////////////////////////////////////////////////////////////////////////////////
#if defined(CATCH_CPP11_OR_GREATER)
class StrongDoubleTypedef
{
double d_ = 0.0;
public:
explicit StrongDoubleTypedef(double d) : d_(d) {}
explicit operator double() const { return d_; }
};
TEST_CASE
(
"Comparison with explicitly convertible types",
"[Approx]"
)
{
StrongDoubleTypedef td(10.0);
REQUIRE(td == Approx(10.0));
REQUIRE(Approx(10.0) == td);
REQUIRE(td != Approx(11.0));
REQUIRE(Approx(11.0) != td);
REQUIRE(td <= Approx(10.0));
REQUIRE(td <= Approx(11.0));
REQUIRE(Approx(10.0) <= td);
REQUIRE(Approx(9.0) <= td);
REQUIRE(td >= Approx(9.0));
REQUIRE(td >= Approx(10.0));
REQUIRE(Approx(10.0) >= td);
REQUIRE(Approx(11.0) >= td);
}
#endif
////////////////////////////////////////////////////////////////////////////////