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LibCompress: Simplify logic in deflate implementation.

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asynts 2020-09-05 17:38:46 +02:00 • committed by Andreas Kling
parent 6de63782c7
commit 4c317a94c7
2 changed files with 36 additions and 9 deletions
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30
AK/Tests/TestCircularDuplexStream.cpp
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@ -64,9 +64,8 @@ TEST_CASE(overwritting_is_well_defined)
stream >> Bytes { bytes, sizeof(bytes) };
for (size_t idx = 0; idx < half_capacity; ++idx) {
for (size_t idx = 0; idx < half_capacity; ++idx)
EXPECT_EQ(bytes[idx], idx % 256);
}
for (size_t idx = 0; idx < half_capacity; ++idx)
stream << static_cast<u8>(idx % 256);
@ -84,4 +83,31 @@ TEST_CASE(overwritting_is_well_defined)
EXPECT(stream.eof());
}
TEST_CASE(of_by_one)
{
constexpr size_t half_capacity = 32;
constexpr size_t capacity = half_capacity * 2;
CircularDuplexStream<capacity> stream;
for (size_t idx = 0; idx < half_capacity; ++idx)
stream << static_cast<u8>(0);
for (size_t idx = 0; idx < half_capacity; ++idx)
stream << static_cast<u8>(1);
stream.discard_or_error(capacity);
for (size_t idx = 0; idx < capacity; ++idx) {
u8 byte;
stream.read({ &byte, sizeof(byte) }, capacity);
stream << byte;
if (idx < half_capacity)
EXPECT_EQ(byte, 0);
else
EXPECT_EQ(byte, 1);
}
}
TEST_MAIN(CircularDuplexStream)