mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 10:42:39 +01:00
097ba299ca
This is used by https://reviews.llvm.org/D86905 to support bitcode writer's incremental flush.
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
//===- llvm/unittest/Support/raw_fd_stream_test.cpp - raw_fd_stream tests -===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/Config/llvm-config.h"
|
|
#include "llvm/Support/Casting.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/FileUtilities.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
TEST(raw_fd_streamTest, ReadAfterWrite) {
|
|
SmallString<64> Path;
|
|
int FD;
|
|
ASSERT_FALSE(sys::fs::createTemporaryFile("foo", "bar", FD, Path));
|
|
FileRemover Cleanup(Path);
|
|
std::error_code EC;
|
|
raw_fd_stream OS(Path, EC);
|
|
EXPECT_TRUE(!EC);
|
|
|
|
char Bytes[8];
|
|
|
|
OS.write("01234567", 8);
|
|
|
|
OS.seek(3);
|
|
EXPECT_EQ(OS.read(Bytes, 2), 2);
|
|
EXPECT_EQ(Bytes[0], '3');
|
|
EXPECT_EQ(Bytes[1], '4');
|
|
|
|
OS.seek(4);
|
|
OS.write("xyz", 3);
|
|
|
|
OS.seek(0);
|
|
EXPECT_EQ(OS.read(Bytes, 8), 8);
|
|
EXPECT_EQ(Bytes[0], '0');
|
|
EXPECT_EQ(Bytes[1], '1');
|
|
EXPECT_EQ(Bytes[2], '2');
|
|
EXPECT_EQ(Bytes[3], '3');
|
|
EXPECT_EQ(Bytes[4], 'x');
|
|
EXPECT_EQ(Bytes[5], 'y');
|
|
EXPECT_EQ(Bytes[6], 'z');
|
|
EXPECT_EQ(Bytes[7], '7');
|
|
}
|
|
|
|
TEST(raw_fd_streamTest, DynCast) {
|
|
{
|
|
std::error_code EC;
|
|
raw_fd_stream OS("-", EC);
|
|
EXPECT_TRUE(dyn_cast<raw_fd_stream>(&OS));
|
|
}
|
|
{
|
|
std::error_code EC;
|
|
raw_fd_ostream OS("-", EC);
|
|
EXPECT_FALSE(dyn_cast<raw_fd_stream>(&OS));
|
|
}
|
|
}
|
|
|
|
} // namespace
|