72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
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// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/utils/tmpfile.h"
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#include <fstream>
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#include "gtest/gtest.h"
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namespace tint {
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namespace utils {
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namespace {
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TEST(TmpFileTest, WriteReadAppendDelete) {
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std::string path;
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{
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TmpFile tmp;
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if (!tmp) {
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GTEST_SKIP() << "Unable to create a temporary file";
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}
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path = tmp.Path();
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// Write a string to the temporary file
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tmp << "hello world\n";
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// Check the content of the file
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{
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std::ifstream file(path);
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ASSERT_TRUE(file);
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std::string line;
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EXPECT_TRUE(std::getline(file, line));
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EXPECT_EQ(line, "hello world");
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EXPECT_FALSE(std::getline(file, line));
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}
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// Write some more content to the file
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tmp << 42;
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// Check the content of the file again
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{
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std::ifstream file(path);
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ASSERT_TRUE(file);
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std::string line;
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EXPECT_TRUE(std::getline(file, line));
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EXPECT_EQ(line, "hello world");
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EXPECT_TRUE(std::getline(file, line));
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EXPECT_EQ(line, "42");
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EXPECT_FALSE(std::getline(file, line));
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}
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}
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// Check the file has been deleted when it fell out of scope
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std::ifstream file(path);
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ASSERT_FALSE(file);
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}
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} // namespace
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} // namespace utils
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} // namespace tint
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