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Vector: Add a test for growing a Vector beyond its inline capacity

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This commit is contained in:
Andreas Kling 2019-08-07 20:42:56 +02:00
parent 308461ca9a
commit 2e416b1b87
Notes: sideshowbarker 2024-07-19 12:50:18 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/2e416b1b872
1 changed files with 26 additions and 0 deletions
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26
AK/Tests/TestVector.cpp
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@ -167,6 +167,32 @@ TEST_CASE(vector_compare)
EXPECT_EQ(strings, same_strings);
}
TEST_CASE(grow_past_inline_capacity)
{
auto make_vector = [] {
Vector<String, 16> strings;
for (int i = 0; i < 32; ++i) {
strings.append(String::number(i));
}
return strings;
};
auto strings = make_vector();
EXPECT_EQ(strings.size(), 32);
EXPECT_EQ(strings[31], "31");
strings.clear();
EXPECT_EQ(strings.size(), 0);
EXPECT_EQ(strings.capacity(), 16);
strings = make_vector();
strings.clear_with_capacity();
EXPECT_EQ(strings.size(), 0);
EXPECT(strings.capacity() >= 32);
}
BENCHMARK_CASE(vector_append_trivial)
{
// This should be super fast thanks to Vector using memmove.