--- /dev/null
+// Copyright 2016 The Chromium Embedded Framework Authors. Portions copyright
+// 2011 The Chromium Authors. All rights reserved. Use of this source code is
+// governed by a BSD-style license that can be found in the LICENSE file.
+
+#include <string>
+
+#include "include/wrapper/cef_scoped_temp_dir.h"
+#include "tests/ceftests/file_util.h"
+#include "tests/gtest/include/gtest/gtest.h"
+
+TEST(FileUtil, JoinPath) {
+ // Should return whichever path component is non-empty.
+ EXPECT_STREQ("", file_util::JoinPath("", "").c_str());
+ EXPECT_STREQ("path1", file_util::JoinPath("path1", "").c_str());
+ EXPECT_STREQ("path2", file_util::JoinPath("", "path2").c_str());
+
+ const std::string& expected =
+ std::string("path1") + file_util::kPathSep + std::string("path2");
+
+ // Should always be 1 kPathSep character between paths.
+ EXPECT_STREQ(expected.c_str(), file_util::JoinPath("path1", "path2").c_str());
+ EXPECT_STREQ(expected.c_str(),
+ file_util::JoinPath(std::string("path1") + file_util::kPathSep,
+ "path2").c_str());
+ EXPECT_STREQ(expected.c_str(),
+ file_util::JoinPath("path1",
+ file_util::kPathSep + std::string("path2")).c_str());
+ EXPECT_STREQ(expected.c_str(),
+ file_util::JoinPath(std::string("path1") + file_util::kPathSep,
+ file_util::kPathSep + std::string("path2")).c_str());
+}
+
+TEST(FileUtil, WriteAndReadFile) {
+ CefScopedTempDir dir;
+ EXPECT_TRUE(dir.CreateUniqueTempDir());
+
+ const std::string& data = "Test contents to read/write";
+ const std::string& path = file_util::JoinPath(dir.GetPath(), "test.txt");
+
+ EXPECT_EQ(static_cast<int>(data.size()),
+ file_util::WriteFile(path.c_str(), data.data(),
+ static_cast<int>(data.size())));
+
+ std::string read;
+ EXPECT_TRUE(file_util::ReadFileToString(path.c_str(), &read));
+ EXPECT_STREQ(data.c_str(), read.c_str());
+}