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AK: Expose AllocatingMemoryStream::CHUNK_SIZE

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This allows the tests to use that information confidently.
This commit is contained in:
Tim Schumacher 2023-05-29 11:00:25 +02:00 • committed by Jelle Raaijmakers
parent 2b8a527478
commit 9a7ae52b31
3 changed files with 18 additions and 18 deletions
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7
Tests/AK/TestMemoryStream.cpp
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@ -73,16 +73,15 @@ TEST_CASE(allocating_memory_stream_offset_of_oob)
AllocatingMemoryStream stream;
// NOTE: This test is to make sure that offset_of() doesn't read past the end of the "initialized" data.
// So we have to assume some things about the behavior of this class:
// - The chunk size is 4096 bytes.
// - A chunk is moved to the end when it's fully read from
// - A free chunk is used as-is, no new ones are allocated if one exists.
// First, fill exactly one chunk.
for (size_t i = 0; i < 256; ++i)
// First, fill exactly one chunk (in groups of 16 bytes).
for (size_t i = 0; i < AllocatingMemoryStream::CHUNK_SIZE / 16; ++i)
MUST(stream.write_until_depleted("AAAAAAAAAAAAAAAA"sv.bytes()));
// Then discard it all.
MUST(stream.discard(4096));
MUST(stream.discard(AllocatingMemoryStream::CHUNK_SIZE));
// Now we can write into this chunk again, knowing that it's initialized to all 'A's.
MUST(stream.write_until_depleted("Well Hello Friends! :^)"sv.bytes()));