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AK: Allow testing Empty instances for equality

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This also makes it possible to compare `Variant<Empty, Ts...>`
objects if operator== exists for all Ts
This commit is contained in:
Shannon Booth 2023-07-27 22:14:56 +12:00 • committed by Ali Mohammad Pur
parent 4f9f21e8fe
commit bf7af25a82
2 changed files with 30 additions and 0 deletions
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29
Tests/AK/TestVariant.cpp
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@ -273,3 +273,32 @@ TEST_CASE(type_list_specialization)
EXPECT((IsSame<typename MyList::template Type<1>, int>));
EXPECT((IsSame<typename MyList::template Type<2>, String>));
}
TEST_CASE(variant_equality)
{
using MyVariant = Variant<Empty, int, float>;
{
MyVariant variant1 = 1;
MyVariant variant2 = 1;
EXPECT_EQ(variant1, variant2);
}
{
MyVariant variant1 = 1;
MyVariant variant2 = 1.5f;
EXPECT_NE(variant1, variant2);
}
{
MyVariant variant1 = 1;
MyVariant variant2;
EXPECT_NE(variant1, variant2);
}
{
MyVariant variant1;
MyVariant variant2;
EXPECT_EQ(variant1, variant2);
}
}