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Tests: Move AK tests to Tests/AK
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63
Tests/AK/TestCircularDuplexStream.cpp
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63
Tests/AK/TestCircularDuplexStream.cpp
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/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h>
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#include <AK/CircularDuplexStream.h>
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TEST_CASE(works_like_a_queue)
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{
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constexpr size_t capacity = 32;
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CircularQueue<u8, capacity> queue;
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CircularDuplexStream<capacity> stream;
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for (size_t idx = 0; idx < capacity; ++idx) {
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queue.enqueue(static_cast<u8>(idx % 256));
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stream << static_cast<u8>(idx % 256);
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}
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for (size_t idx = 0; idx < capacity; ++idx) {
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u8 byte = 0;
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stream >> byte;
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EXPECT_EQ(queue.dequeue(), byte);
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}
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EXPECT(stream.eof());
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}
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TEST_CASE(overwritting_is_well_defined)
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{
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constexpr size_t half_capacity = 16;
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constexpr size_t capacity = 2 * half_capacity;
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CircularDuplexStream<capacity> stream;
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for (size_t idx = 0; idx < capacity; ++idx)
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stream << static_cast<u8>(idx % 256);
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Array<u8, half_capacity> buffer;
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stream >> buffer;
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for (size_t idx = 0; idx < half_capacity; ++idx)
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EXPECT_EQ(buffer[idx], idx % 256);
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for (size_t idx = 0; idx < half_capacity; ++idx)
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stream << static_cast<u8>(idx % 256);
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for (size_t idx = 0; idx < capacity; ++idx) {
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u8 byte = 0;
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stream >> byte;
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if (idx < half_capacity)
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EXPECT_EQ(byte, half_capacity + idx % 256);
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else
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EXPECT_EQ(byte, idx % 256 - half_capacity);
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}
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EXPECT(stream.eof());
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}
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