--- /dev/null
+//===- TempPathTest.cpp ---------------------------------------------------===//
+//
+// 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/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Testing/Support/SupportHelpers.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+using llvm::unittest::TempDir;
+using llvm::unittest::TempFile;
+using llvm::unittest::TempLink;
+
+namespace {
+
+TEST(TempPathTest, TempDir) {
+ Optional<TempDir> Dir1, Dir2;
+ StringRef Prefix = "temp-path-test";
+ Dir1.emplace(Prefix, /*Unique=*/true);
+ EXPECT_EQ(Prefix,
+ sys::path::filename(Dir1->path()).take_front(Prefix.size()));
+ EXPECT_NE(Prefix, sys::path::filename(Dir1->path()));
+
+ std::string Path = Dir1->path().str();
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ Dir2 = std::move(*Dir1);
+ ASSERT_EQ(Path, Dir2->path());
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ Dir1 = None;
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ Dir2 = None;
+ ASSERT_FALSE(sys::fs::exists(Path));
+}
+
+TEST(TempPathTest, TempFile) {
+ TempDir D("temp-path-test", /*Unique=*/true);
+ ASSERT_TRUE(sys::fs::exists(D.path()));
+
+ Optional<TempFile> File1, File2;
+ File1.emplace(D.path("file"), "suffix", "content");
+ EXPECT_EQ("file.suffix", sys::path::filename(File1->path()));
+ {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
+ MemoryBuffer::getFile(File1->path());
+ ASSERT_TRUE(Buffer);
+ ASSERT_EQ("content", (*Buffer)->getBuffer());
+ }
+
+ std::string Path = File1->path().str();
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ File2 = std::move(*File1);
+ ASSERT_EQ(Path, File2->path());
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ File1 = None;
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ File2 = None;
+ ASSERT_FALSE(sys::fs::exists(Path));
+}
+
+TEST(TempPathTest, TempLink) {
+ TempDir D("temp-path-test", /*Unique=*/true);
+ ASSERT_TRUE(sys::fs::exists(D.path()));
+ TempFile File(D.path("file"), "suffix", "content");
+
+ Optional<TempLink> Link1, Link2;
+ Link1.emplace(File.path(), D.path("link"));
+ EXPECT_EQ("link", sys::path::filename(Link1->path()));
+ {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
+ MemoryBuffer::getFile(Link1->path());
+ ASSERT_TRUE(Buffer);
+ ASSERT_EQ("content", (*Buffer)->getBuffer());
+ }
+
+ std::string Path = Link1->path().str();
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ Link2 = std::move(*Link1);
+ ASSERT_EQ(Path, Link2->path());
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ Link1 = None;
+ ASSERT_TRUE(sys::fs::exists(Path));
+
+ Link2 = None;
+ ASSERT_FALSE(sys::fs::exists(Path));
+}
+
+} // namespace