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Ring buffer: Add multi-value insert

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This commit is contained in:
Jonathan G Rennison
2023-08-19 12:59:05 +01:00
parent bdfdb9808a
commit 877e301c5a
2 changed files with 96 additions and 0 deletions
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57
src/tests/ring_buffer.cpp
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@@ -296,6 +296,63 @@ TEST_CASE("RingBuffer - insert in middle (end) grow")
CHECK(iter == ring.begin() + 6);
}
TEST_CASE("RingBuffer - insert multi at start")
{
ring_buffer<uint32> ring({ 3, 4, 5, 6, 7, 8 });
auto iter = ring.insert(ring.begin(), { 1, 2 });
CHECK(Matches(ring, { 1, 2, 3, 4, 5, 6, 7, 8 }));
CHECK(ring.capacity() == 8);
CHECK(iter == ring.begin());
iter = ring.insert(ring.begin(), { 10, 11 });
CHECK(Matches(ring, { 10, 11, 1, 2, 3, 4, 5, 6, 7, 8 }));
CHECK(ring.capacity() == 16);
CHECK(iter == ring.begin());
iter = ring.insert(ring.begin(), 2, 24);
CHECK(Matches(ring, { 24, 24, 10, 11, 1, 2, 3, 4, 5, 6, 7, 8 }));
CHECK(ring.capacity() == 16);
CHECK(iter == ring.begin());
}
TEST_CASE("RingBuffer - insert multi at end")
{
ring_buffer<uint32> ring({ 3, 4, 5, 6, 7, 8 });
auto iter = ring.insert(ring.end(), { 1, 2 });
CHECK(Matches(ring, { 3, 4, 5, 6, 7, 8, 1, 2 }));
CHECK(ring.capacity() == 8);
CHECK(iter == ring.end() - 2);
iter = ring.insert(ring.end(), { 10, 11 });
CHECK(Matches(ring, { 3, 4, 5, 6, 7, 8, 1, 2, 10, 11 }));
CHECK(ring.capacity() == 16);
CHECK(iter == ring.end() - 2);
iter = ring.insert(ring.end(), 2, 24);
CHECK(Matches(ring, { 3, 4, 5, 6, 7, 8, 1, 2, 10, 11, 24, 24 }));
CHECK(ring.capacity() == 16);
CHECK(iter == ring.end() - 2);
}
TEST_CASE("RingBuffer - insert multi in middle")
{
ring_buffer<uint32> ring({ 3, 4, 5, 6, 7, 8 });
auto iter = ring.insert(ring.begin() + 3, { 1, 2 });
CHECK(Matches(ring, { 3, 4, 5, 1, 2, 6, 7, 8 }));
CHECK(ring.capacity() == 8);
CHECK(iter == ring.begin() + 3);
iter = ring.insert(ring.begin() + 7, { 10, 11 });
CHECK(Matches(ring, { 3, 4, 5, 1, 2, 6, 7, 10, 11, 8 }));
CHECK(ring.capacity() == 16);
CHECK(iter == ring.begin() + 7);
iter = ring.insert(ring.begin() + 2, 2, 24);
CHECK(Matches(ring, { 3, 4, 24, 24, 5, 1, 2, 6, 7, 10, 11, 8 }));
CHECK(ring.capacity() == 16);
CHECK(iter == ring.begin() + 2);
}
TEST_CASE("RingBuffer - shrink to fit")
{
ring_buffer<uint32> ring({ 3, 4, 5, 6, 7, 8 });