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//===- raw_pwrite_stream_test.cpp - raw_pwrite_stream tests ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
namespace {
TEST(raw_pwrite_ostreamTest, TestSVector) {
SmallVector<char, 0> Buffer;
raw_svector_ostream OS(Buffer);
OS << "abcd";
StringRef Test = "test";
OS.pwrite(Test.data(), Test.size(), 0);
EXPECT_EQ(Test, OS.str());
#ifdef GTEST_HAS_DEATH_TEST
#ifndef NDEBUG
EXPECT_DEATH(OS.pwrite("12345", 5, 0),
"We don't support extending the stream");
#endif
#endif
}
TEST(raw_pwrite_ostreamTest, TestFD) {
SmallString<64> Path;
int FD;
sys::fs::createTemporaryFile("foo", "bar", FD, Path);
raw_fd_ostream OS(FD, true);
OS << "abcd";
StringRef Test = "test";
OS.pwrite(Test.data(), Test.size(), 0);
OS.pwrite(Test.data(), Test.size(), 0);
#ifdef GTEST_HAS_DEATH_TEST
#ifndef NDEBUG
EXPECT_DEATH(OS.pwrite("12345", 5, 0),
"We don't support extending the stream");
#endif
#endif
}
#ifdef LLVM_ON_UNIX
TEST(raw_pwrite_ostreamTest, TestDevNull) {
int FD;
sys::fs::openFileForWrite("/dev/null", FD, sys::fs::F_None);
raw_fd_ostream OS(FD, true);
OS << "abcd";
StringRef Test = "test";
OS.pwrite(Test.data(), Test.size(), 0);
OS.pwrite(Test.data(), Test.size(), 0);
}
#endif
}
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