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/*
* Copyright (C) 2009 The Android Open Source Project
*
* 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 libcore.java.lang;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import libcore.java.util.AbstractResourceLeakageDetectorTestCase;
import static tests.support.Support_Exec.execAndCheckOutput;
public class ProcessBuilderTest extends AbstractResourceLeakageDetectorTestCase {
private static String shell() {
String deviceSh = "/system/bin/sh";
String desktopSh = "/bin/sh";
return new File(deviceSh).exists() ? deviceSh : desktopSh;
}
private static void assertRedirectErrorStream(boolean doRedirect,
String expectedOut, String expectedErr) throws Exception {
ProcessBuilder pb = new ProcessBuilder(shell(), "-c", "echo out; echo err 1>&2");
pb.redirectErrorStream(doRedirect);
execAndCheckOutput(pb, expectedOut, expectedErr);
}
public void test_redirectErrorStream_true() throws Exception {
assertRedirectErrorStream(true, "out\nerr\n", "");
}
public void test_redirectErrorStream_false() throws Exception {
assertRedirectErrorStream(false, "out\n", "err\n");
}
public void testEnvironment() throws Exception {
ProcessBuilder pb = new ProcessBuilder(shell(), "-c", "echo $A");
pb.environment().put("A", "android");
execAndCheckOutput(pb, "android\n", "");
}
public void testDestroyClosesEverything() throws IOException {
Process process = new ProcessBuilder(shell(), "-c", "echo out; echo err 1>&2").start();
InputStream in = process.getInputStream();
InputStream err = process.getErrorStream();
OutputStream out = process.getOutputStream();
process.destroy();
try {
in.read();
fail();
} catch (IOException expected) {
}
try {
err.read();
fail();
} catch (IOException expected) {
}
try {
/*
* We test write+flush because the RI returns a wrapped stream, but
* only bothers to close the underlying stream.
*/
out.write(1);
out.flush();
fail();
} catch (IOException expected) {
}
}
public void testDestroyDoesNotLeak() throws IOException {
Process process = new ProcessBuilder(shell(), "-c", "echo out; echo err 1>&2").start();
process.destroy();
}
public void testEnvironmentMapForbidsNulls() throws Exception {
ProcessBuilder pb = new ProcessBuilder(shell(), "-c", "echo $A");
Map<String, String> environment = pb.environment();
Map<String, String> before = new HashMap<String, String>(environment);
try {
environment.put("A", null);
fail();
} catch (NullPointerException expected) {
}
try {
environment.put(null, "android");
fail();
} catch (NullPointerException expected) {
}
assertEquals(before, environment);
}
}
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