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fix: quantity_cast now correctly casts to an alias_unit

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Mateusz Pusz
2021-01-02 10:56:50 +01:00
parent b6ab340879
commit 6d7cda949e
3 changed files with 5 additions and 9 deletions
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test/unit_test/static/quantity_test.cpp
+2 -2
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@@ -670,8 +670,6 @@ static_assert(2_q_dm3 + 2_q_cm3 == 2002_q_ml);
// quantity_cast
//////////////////
static_assert(compare<decltype(quantity_cast<scaled_unit<ratio(1), metre>>(2_q_km))::unit, metre>);
static_assert(quantity_cast<length<metre, int>>(2_q_km).count() == 2000);
static_assert(quantity_cast<length<kilometre, int>>(2000_q_m).count() == 2);
static_assert(quantity_cast<length<metre, int>>(1.23_q_m).count() == 1);
@@ -680,6 +678,8 @@ static_assert(quantity_cast<kilometre>(2000_q_m).count() == 2);
static_assert(quantity_cast<int>(1.23_q_m).count() == 1);
static_assert(quantity_cast<dim_speed, kilometre_per_hour>(2000.0_q_m / 3600.0_q_s).count() == 2);
static_assert(is_same_v<decltype(quantity_cast<litre>(2_q_dm3)), volume<litre, std::int64_t>>);
static_assert(!is_same_v<decltype(quantity_cast<litre>(2_q_dm3)), volume<cubic_decimetre, std::int64_t>>);
////////////////
// downcasting