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Truncating conversions disalowed for *=, /=, +=, amd -= operators (resolves #137)

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Mateusz Pusz
2020-08-16 13:29:40 +02:00
parent 69dddaf1f6
commit deb1ee6efa
2 changed files with 20 additions and 16 deletions
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test/unit_test/static/quantity_test.cpp
+8
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@@ -124,6 +124,14 @@ static_assert((7q_m %= 2q_m).count() == 1);
// static_assert((7.m %= 2q_m).count() == 1); // should not compile (operation not allowed for floating-point types)
// static_assert((7q_m %= 2.m).count() == 1); // should not compile (operation not allowed for floating-point types)
// static_assert(2q_m += 3.5q_m); // should not compile
static_assert((2.5q_m += 3q_m).count() == 5.5);
static_assert((2.5q_m += 3.5q_m).count() == 6);
// static_assert(2q_m *= 3.5); // should not compile
static_assert((2.5q_m *= 3).count() == 7.5);
static_assert((2.5q_m *= 3.5).count() == 8.75);
// non-member arithmetic operators
static_assert(is_same_v<decltype(length<metre, int>() + length<metre, double>()), length<metre, double>>);