AnimTestbed/3rdparty/ozz-animation/test/base/io/stream_tests.cc

188 lines
7.4 KiB
C++

//----------------------------------------------------------------------------//
// //
// ozz-animation is hosted at http://github.com/guillaumeblanc/ozz-animation //
// and distributed under the MIT License (MIT). //
// //
// Copyright (c) Guillaume Blanc //
// //
// Permission is hereby granted, free of charge, to any person obtaining a //
// copy of this software and associated documentation files (the "Software"), //
// to deal in the Software without restriction, including without limitation //
// the rights to use, copy, modify, merge, publish, distribute, sublicense, //
// and/or sell copies of the Software, and to permit persons to whom the //
// Software is furnished to do so, subject to the following conditions: //
// //
// The above copyright notice and this permission notice shall be included in //
// all copies or substantial portions of the Software. //
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR //
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, //
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL //
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER //
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING //
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER //
// DEALINGS IN THE SOFTWARE. //
// //
//----------------------------------------------------------------------------//
#include "ozz/base/io/stream.h"
#include <stdint.h>
#include <limits>
#include "gtest/gtest.h"
#include "ozz/base/platform.h"
void TestStream(ozz::io::Stream* _stream) {
ASSERT_TRUE(_stream->opened());
EXPECT_EQ(_stream->Size(), 0u);
EXPECT_EQ(_stream->Seek(0, ozz::io::Stream::kSet), 0);
EXPECT_EQ(_stream->Tell(), 0);
typedef int Type;
const Type to_write = 46;
EXPECT_EQ(_stream->Write(&to_write, sizeof(Type)), sizeof(Type));
EXPECT_EQ(_stream->Tell(), static_cast<int>(sizeof(Type)));
EXPECT_EQ(_stream->Seek(0, ozz::io::Stream::kSet), 0);
EXPECT_EQ(_stream->Tell(), 0);
EXPECT_EQ(_stream->Size(), sizeof(Type));
Type to_read = 0;
EXPECT_EQ(_stream->Read(&to_read, sizeof(Type)), sizeof(Type));
EXPECT_EQ(to_read, to_write);
EXPECT_EQ(_stream->Tell(), static_cast<int>(sizeof(Type)));
EXPECT_EQ(_stream->Size(), sizeof(Type));
}
void TestSeek(ozz::io::Stream* _stream) {
ASSERT_TRUE(_stream->opened());
EXPECT_EQ(_stream->Seek(0, ozz::io::Stream::kSet), 0);
EXPECT_EQ(_stream->Tell(), 0);
EXPECT_EQ(_stream->Size(), 0u);
// Seeking before file's begin.
EXPECT_NE(_stream->Seek(-1, ozz::io::Stream::kSet), 0);
EXPECT_EQ(_stream->Tell(), 0);
EXPECT_NE(_stream->Seek(-1, ozz::io::Stream::kCurrent), 0);
EXPECT_EQ(_stream->Tell(), 0);
EXPECT_NE(_stream->Seek(-1, ozz::io::Stream::kEnd), 0);
EXPECT_EQ(_stream->Tell(), 0);
EXPECT_EQ(_stream->Size(), 0u);
// Bad seek argument.
EXPECT_EQ(_stream->Seek(46, ozz::io::Stream::Origin(27)), -1);
EXPECT_EQ(_stream->Tell(), 0);
EXPECT_EQ(_stream->Size(), 0u);
typedef int Type;
const Type to_write = 46;
EXPECT_EQ(_stream->Write(&to_write, sizeof(Type)), sizeof(Type));
EXPECT_EQ(_stream->Tell(), static_cast<int>(sizeof(Type)));
EXPECT_EQ(_stream->Size(), sizeof(Type));
const int64_t kEnd = 465827;
// Force file length to kEnd but do not write to the stream.
EXPECT_EQ(_stream->Seek(kEnd - _stream->Tell(), ozz::io::Stream::kCurrent),
0);
EXPECT_EQ(_stream->Tell(), kEnd);
EXPECT_EQ(_stream->Size(), sizeof(Type));
Type to_read = 0;
EXPECT_EQ(_stream->Seek(0, ozz::io::Stream::kSet), 0);
EXPECT_EQ(_stream->Size(), sizeof(Type));
EXPECT_EQ(_stream->Read(&to_read, sizeof(Type)), sizeof(Type));
EXPECT_EQ(to_read, to_write);
EXPECT_EQ(_stream->Tell(), static_cast<int>(sizeof(Type)));
EXPECT_EQ(_stream->Read(&to_read, sizeof(Type)), 0u);
EXPECT_EQ(_stream->Tell(), static_cast<int>(sizeof(Type)));
EXPECT_EQ(_stream->Size(), sizeof(Type));
// Force file length to kEnd + sizeof(Type) and write to the stream.
EXPECT_EQ(
_stream->Seek(kEnd - _stream->Tell() - static_cast<int>(sizeof(Type)),
ozz::io::Stream::kCurrent),
0);
EXPECT_EQ(_stream->Tell(), kEnd - static_cast<int>(sizeof(Type)));
EXPECT_EQ(_stream->Write(&to_write, sizeof(Type)), sizeof(Type));
EXPECT_EQ(_stream->Tell(), kEnd);
EXPECT_EQ(
_stream->Seek(-static_cast<int>(sizeof(Type)), ozz::io::Stream::kEnd), 0);
EXPECT_EQ(_stream->Tell(), kEnd - static_cast<int>(sizeof(Type)));
EXPECT_EQ(_stream->Read(&to_read, sizeof(Type)), sizeof(Type));
EXPECT_EQ(to_read, to_write);
EXPECT_EQ(_stream->Tell(), kEnd);
EXPECT_EQ(
_stream->Seek(-static_cast<int>(sizeof(Type)) * 2, ozz::io::Stream::kEnd),
0);
EXPECT_EQ(_stream->Read(&to_read, sizeof(Type)), sizeof(Type));
EXPECT_EQ(to_read, 0);
EXPECT_EQ(_stream->Tell(), kEnd - static_cast<int>(sizeof(Type)));
// Rewind from kEnd.
EXPECT_EQ(_stream->Seek(-kEnd, ozz::io::Stream::kEnd), 0);
EXPECT_EQ(_stream->Tell(), 0);
EXPECT_EQ(_stream->Seek(kEnd, ozz::io::Stream::kSet), 0);
EXPECT_EQ(_stream->Tell(), kEnd);
// Read at the end of the file.
EXPECT_EQ(_stream->Read(&to_read, sizeof(Type)), 0u);
EXPECT_EQ(_stream->Tell(), kEnd);
// Read after a seek beyond the end of the file.
EXPECT_EQ(_stream->Seek(4, ozz::io::Stream::kCurrent), 0);
EXPECT_EQ(_stream->Tell(), kEnd + 4);
EXPECT_EQ(_stream->Read(&to_read, sizeof(Type)), 0u);
EXPECT_EQ(_stream->Tell(), kEnd + 4);
EXPECT_EQ(_stream->Size(), static_cast<size_t>(kEnd));
}
void TestTooBigStream(ozz::io::Stream* _stream) {
const int max_size = std::numeric_limits<int>::max();
ASSERT_TRUE(_stream->opened());
EXPECT_EQ(_stream->Seek(0, ozz::io::Stream::kSet), 0);
EXPECT_EQ(_stream->Tell(), 0);
// Seeks outside of Stream valid range.
EXPECT_EQ(_stream->Seek(max_size, ozz::io::Stream::kCurrent), 0);
EXPECT_EQ(_stream->Tell(), max_size);
EXPECT_EQ(_stream->Size(), 0u);
EXPECT_NE(_stream->Seek(max_size, ozz::io::Stream::kCurrent), 0);
EXPECT_EQ(_stream->Tell(), max_size);
EXPECT_EQ(_stream->Size(), 0u);
// Writes/Reads outside of Stream valid range.
EXPECT_EQ(_stream->Seek(1, ozz::io::Stream::kSet), 0);
EXPECT_EQ(_stream->Tell(), 1);
char c;
EXPECT_EQ(_stream->Write(&c, max_size), 0u);
EXPECT_EQ(_stream->Read(&c, max_size), 0u);
EXPECT_EQ(_stream->Size(), 0u);
}
TEST(File, Stream) {
{
ozz::io::File file(nullptr);
EXPECT_FALSE(file.opened());
}
{ EXPECT_FALSE(ozz::io::File::Exist("unexisting.file")); }
{
ozz::io::File file("test.bin", "w+t");
EXPECT_TRUE(file.opened());
TestSeek(&file);
}
{ EXPECT_TRUE(ozz::io::File::Exist("test.bin")); }
}
TEST(MemoryStream, Stream) {
{
ozz::io::MemoryStream stream;
TestStream(&stream);
}
{
ozz::io::MemoryStream stream;
TestSeek(&stream);
}
{
ozz::io::MemoryStream stream;
TestTooBigStream(&stream);
}
}