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