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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 tests.api.java.lang;
import dalvik.annotation.AndroidOnly;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import tests.support.Support_Exec;
import static tests.support.Support_Exec.javaProcessBuilder;
public class Process2Test extends junit.framework.TestCase {
/**
* java.lang.Process#getInputStream(),
* java.lang.Process#getErrorStream()
* java.lang.Process#getOutputStream()
* Tests if these methods return buffered streams.
*/
@AndroidOnly("dalvikvm specific")
public void test_streams()
throws IOException, InterruptedException {
Process p = javaProcessBuilder().start();
assertNotNull(p.getInputStream());
assertNotNull(p.getErrorStream());
assertNotNull(p.getOutputStream());
}
public void test_getErrorStream() {
String[] commands = {"ls"};
Process process = null;
try {
process = Runtime.getRuntime().exec(commands, null, null);
InputStream is = process.getErrorStream();
StringBuffer msg = new StringBuffer("");
while (true) {
int c = is.read();
if (c == -1)
break;
msg.append((char) c);
}
assertEquals("", msg.toString());
} catch (IOException e) {
fail("IOException was thrown.");
} finally {
process.destroy();
}
String[] unknownCommands = {"mkdir", "-u", "test"};
Process erProcess = null;
try {
erProcess = Runtime.getRuntime().exec(unknownCommands, null, null);
InputStream is = erProcess.getErrorStream();
StringBuffer msg = new StringBuffer("");
while (true) {
int c = is.read();
if (c == -1)
break;
msg.append((char) c);
}
assertTrue("Error stream should not be empty",
!"".equals(msg.toString()));
} catch (IOException e) {
fail("IOException was thrown.");
} finally {
erProcess.destroy();
}
}
}
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