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Tests: Add a few tests to verify vectors are using inline storage

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MacDue 2023-02-10 20:14:19 +00:00 • committed by Jelle Raaijmakers
parent c0b7ff3c4c
commit 654950eaf7
1 changed files with 45 additions and 0 deletions
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45
Tests/AK/TestVector.cpp
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@ -572,3 +572,48 @@ TEST_CASE(reverse_range_for_loop)
for (auto item : v.in_reverse()) for (auto item : v.in_reverse())
EXPECT_EQ(item, index--); EXPECT_EQ(item, index--);
} }
static bool is_inline_element(auto& el, auto& vector)
{
uintptr_t vector_ptr = (uintptr_t)&vector;
uintptr_t element_ptr = (uintptr_t)⪙
return (element_ptr >= vector_ptr && element_ptr < (vector_ptr + sizeof(vector)));
}
TEST_CASE(uses_inline_capacity_when_appended_to)
{
Vector<int, 10> v;
v.unchecked_append(1);
v.unchecked_append(123);
v.unchecked_append(50);
v.unchecked_append(43);
for (auto& el : v)
EXPECT(is_inline_element(el, v));
}
TEST_CASE(uses_inline_capacity_when_constructed_from_initializer_list)
{
Vector<int, 10> v { 10, 9, 3, 1, 3 };
for (auto& el : v)
EXPECT(is_inline_element(el, v));
}
TEST_CASE(uses_inline_capacity_when_constructed_from_other_vector)
{
Vector other { 4, 3, 2, 1 };
Vector<int, 10> v(other);
for (auto& el : v)
EXPECT(is_inline_element(el, v));
}
TEST_CASE(uses_inline_capacity_when_constructed_from_span)
{
Array array { "f00", "bar", "baz" };
Vector<char const*, 10> v(array.span());
for (auto& el : v)
EXPECT(is_inline_element(el, v));
}