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AK: Move memory streams from LibCore

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This commit is contained in:
Tim Schumacher 2023-01-25 20:19:05 +01:00 • committed by Andrew Kaster
parent 11550f582b
commit 093cf428a3
Notes: sideshowbarker 2024-07-17 00:58:49 +09:00
46 changed files with 213 additions and 203 deletions
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87
Tests/LibCore/TestLibCoreStream.cpp
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@ -9,7 +9,6 @@
#include <AK/String.h>
#include <LibCore/EventLoop.h>
#include <LibCore/LocalServer.h>
#include <LibCore/MemoryStream.h>
#include <LibCore/Stream.h>
#include <LibCore/TCPServer.h>
#include <LibCore/Timer.h>
@ -594,89 +593,3 @@ TEST_CASE(buffered_tcp_socket_read)
auto second_received_line = maybe_second_received_line.value();
EXPECT_EQ(second_received_line, second_line);
}
// Allocating memory stream tests
TEST_CASE(allocating_memory_stream_empty)
{
Core::Stream::AllocatingMemoryStream stream;
EXPECT_EQ(stream.used_buffer_size(), 0ul);
{
Array<u8, 32> array;
auto read_bytes = MUST(stream.read(array));
EXPECT_EQ(read_bytes.size(), 0ul);
}
{
auto offset = MUST(stream.offset_of("test"sv.bytes()));
EXPECT(!offset.has_value());
}
}
TEST_CASE(allocating_memory_stream_offset_of)
{
Core::Stream::AllocatingMemoryStream stream;
MUST(stream.write_entire_buffer("Well Hello Friends! :^)"sv.bytes()));
{
auto offset = MUST(stream.offset_of(" "sv.bytes()));
EXPECT(offset.has_value());
EXPECT_EQ(offset.value(), 4ul);
}
{
auto offset = MUST(stream.offset_of("W"sv.bytes()));
EXPECT(offset.has_value());
EXPECT_EQ(offset.value(), 0ul);
}
{
auto offset = MUST(stream.offset_of(")"sv.bytes()));
EXPECT(offset.has_value());
EXPECT_EQ(offset.value(), 22ul);
}
{
auto offset = MUST(stream.offset_of("-"sv.bytes()));
EXPECT(!offset.has_value());
}
MUST(stream.discard(1));
{
auto offset = MUST(stream.offset_of("W"sv.bytes()));
EXPECT(!offset.has_value());
}
{
auto offset = MUST(stream.offset_of("e"sv.bytes()));
EXPECT(offset.has_value());
EXPECT_EQ(offset.value(), 0ul);
}
}
TEST_CASE(allocating_memory_stream_offset_of_oob)
{
Core::Stream::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 behaviour 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)
MUST(stream.write_entire_buffer("AAAAAAAAAAAAAAAA"sv.bytes()));
// Then discard it all.
MUST(stream.discard(4096));
// Now we can write into this chunk again, knowing that it's initialized to all 'A's.
MUST(stream.write_entire_buffer("Well Hello Friends! :^)"sv.bytes()));
{
auto offset = MUST(stream.offset_of("A"sv.bytes()));
EXPECT(!offset.has_value());
}
}