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/*
* Copyright (C) 2007 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.io;
import static com.google.common.base.StandardSystemProperty.JAVA_IO_TMPDIR;
import static com.google.common.base.StandardSystemProperty.OS_NAME;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.file.attribute.PosixFilePermission.OWNER_EXECUTE;
import static java.nio.file.attribute.PosixFilePermission.OWNER_READ;
import static java.nio.file.attribute.PosixFilePermission.OWNER_WRITE;
import static org.junit.Assert.assertThrows;
import java.io.File;
import java.io.IOException;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFileAttributes;
import junit.framework.TestCase;
/**
* Unit test for {@link Files#createTempDir}.
*
* @author Chris Nokleberg
*/
@SuppressWarnings("deprecation") // tests of a deprecated method
public class FilesCreateTempDirTest extends TestCase {
public void testCreateTempDir() throws IOException {
if (JAVA_IO_TMPDIR.value().equals("/sdcard")) {
assertThrows(IllegalStateException.class, Files::createTempDir);
return;
}
File temp = Files.createTempDir();
try {
assertThat(temp.exists()).isTrue();
assertThat(temp.isDirectory()).isTrue();
assertThat(temp.listFiles()).isEmpty();
File child = new File(temp, "child");
assertThat(child.createNewFile()).isTrue();
assertThat(child.delete()).isTrue();
if (!isAndroid() && !isWindows()) {
PosixFileAttributes attributes =
java.nio.file.Files.getFileAttributeView(temp.toPath(), PosixFileAttributeView.class)
.readAttributes();
assertThat(attributes.permissions())
.containsExactly(OWNER_READ, OWNER_WRITE, OWNER_EXECUTE);
}
} finally {
assertThat(temp.delete()).isTrue();
}
}
private static boolean isAndroid() {
return System.getProperty("java.runtime.name", "").contains("Android");
}
private static boolean isWindows() {
return OS_NAME.value().startsWith("Windows");
}
}
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