mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-06-10 10:01:13 +09:00
111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <AK/TestSuite.h>
|
|
|
|
#include <AK/Stream.h>
|
|
|
|
static bool compare(ReadonlyBytes lhs, ReadonlyBytes rhs)
|
|
{
|
|
if (lhs.size() != rhs.size())
|
|
return false;
|
|
|
|
for (size_t idx = 0; idx < lhs.size(); ++idx) {
|
|
if (lhs[idx] != rhs[idx])
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
TEST_CASE(read_an_integer)
|
|
{
|
|
u32 expected = 0x01020304, actual;
|
|
|
|
InputMemoryStream stream { { &expected, sizeof(expected) } };
|
|
stream >> actual;
|
|
|
|
EXPECT(!stream.has_error() && stream.eof());
|
|
EXPECT_EQ(expected, actual);
|
|
}
|
|
|
|
TEST_CASE(recoverable_error)
|
|
{
|
|
u32 expected = 0x01020304, actual = 0;
|
|
u64 to_large_value = 0;
|
|
|
|
InputMemoryStream stream { { &expected, sizeof(expected) } };
|
|
|
|
EXPECT(!stream.has_error() && !stream.eof());
|
|
stream >> to_large_value;
|
|
EXPECT(stream.has_error() && !stream.eof());
|
|
|
|
EXPECT(stream.handle_error());
|
|
EXPECT(!stream.has_error() && !stream.eof());
|
|
|
|
stream >> actual;
|
|
EXPECT(!stream.has_error() && stream.eof());
|
|
EXPECT_EQ(expected, actual);
|
|
}
|
|
|
|
TEST_CASE(chain_stream_operator)
|
|
{
|
|
u8 expected[] { 0, 1, 2, 3 }, actual[4];
|
|
|
|
InputMemoryStream stream { { expected, sizeof(expected) } };
|
|
|
|
stream >> actual[0] >> actual[1] >> actual[2] >> actual[3];
|
|
EXPECT(!stream.has_error() && stream.eof());
|
|
|
|
EXPECT(compare({ expected, sizeof(expected) }, { actual, sizeof(actual) }));
|
|
}
|
|
|
|
TEST_CASE(seeking_slicing_offset)
|
|
{
|
|
u8 input[] { 0, 1, 2, 3, 4, 5, 6, 7 },
|
|
expected0[] { 0, 1, 2, 3 },
|
|
expected1[] { 4, 5, 6, 7 },
|
|
expected2[] { 1, 2, 3, 4 },
|
|
actual0[4], actual1[4], actual2[4];
|
|
|
|
InputMemoryStream stream { { input, sizeof(input) } };
|
|
|
|
stream >> Bytes { actual0, sizeof(actual0) };
|
|
EXPECT(!stream.has_error() && !stream.eof());
|
|
EXPECT(compare({ expected0, sizeof(expected0) }, { actual0, sizeof(actual0) }));
|
|
|
|
stream.seek(4);
|
|
stream >> Bytes { actual1, sizeof(actual1) };
|
|
EXPECT(!stream.has_error() && stream.eof());
|
|
EXPECT(compare({ expected1, sizeof(expected1) }, { actual1, sizeof(actual1) }));
|
|
|
|
stream.seek(1);
|
|
stream >> Bytes { actual2, sizeof(actual2) };
|
|
EXPECT(!stream.has_error() && !stream.eof());
|
|
EXPECT(compare({ expected2, sizeof(expected2) }, { actual2, sizeof(actual2) }));
|
|
}
|
|
|
|
TEST_MAIN(Stream)
|