| /* |
| * Copyright (C) 2007 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 org.apache.harmony.tests.java.lang; |
| |
| import junit.framework.TestCase; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| |
| public class ProcessManagerTest extends TestCase { |
| |
| Thread thread = null; |
| Process process = null; |
| boolean isThrown = false; |
| |
| public void testCat() throws IOException, InterruptedException { |
| String[] commands = { "cat" }; |
| Process process = Runtime.getRuntime().exec(commands, null, null); |
| |
| OutputStream out = process.getOutputStream(); |
| String greeting = "Hello, World!"; |
| out.write(greeting.getBytes()); |
| out.write('\n'); |
| out.close(); |
| |
| assertEquals(greeting, readLine(process)); |
| } |
| |
| // BrokenTest: Sporadic failures in CTS, but not in CoreTestRunner |
| public void testSleep() throws IOException { |
| String[] commands = { "sleep", "1" }; |
| process = Runtime.getRuntime().exec(commands, null, null); |
| try { |
| assertEquals(0, process.waitFor()); |
| |
| } catch(InterruptedException ie) { |
| fail("InterruptedException was thrown."); |
| } |
| |
| isThrown = false; |
| thread = new Thread() { |
| public void run() { |
| String[] commands = { "sleep", "1000"}; |
| try { |
| process = Runtime.getRuntime().exec(commands, null, null); |
| } catch (IOException e1) { |
| fail("IOException was thrown."); |
| } |
| try { |
| process.waitFor(); |
| fail("InterruptedException was not thrown."); |
| } catch(InterruptedException ie) { |
| isThrown = true; |
| } |
| } |
| }; |
| |
| Thread interruptThread = new Thread() { |
| public void run() { |
| try { |
| sleep(10); |
| } catch(InterruptedException ie) { |
| fail("InterruptedException was thrown in " + |
| "the interruptThread."); |
| } |
| thread.interrupt(); |
| } |
| }; |
| thread.start(); |
| interruptThread.start(); |
| try { |
| interruptThread.join(); |
| } catch (InterruptedException e) { |
| fail("InterruptedException was thrown."); |
| } |
| try { |
| Thread.sleep(100); |
| } catch(InterruptedException ie) { |
| |
| } |
| |
| thread.interrupt(); |
| try { |
| Thread.sleep(100); |
| } catch(InterruptedException ie) { |
| |
| } |
| |
| assertTrue(isThrown); |
| // Destroy process, otherwise it will run until 1000 seconds |
| // have elapsed but we don't need it again for this test. |
| process.destroy(); |
| } |
| |
| public void testPwd() throws IOException, InterruptedException { |
| String[] commands = { "sh", "-c", "pwd" }; |
| Process process = Runtime.getRuntime().exec( |
| commands, null, new File("/")); |
| logErrors(process); |
| assertEquals("/", readLine(process)); |
| } |
| |
| public void testEnvironment() throws IOException, InterruptedException { |
| String[] commands = { "sh", "-c", "echo $FOO" }; |
| |
| // Remember to set the path so we can find sh. |
| String[] environment = { "FOO=foo", "PATH=" + System.getenv("PATH") }; |
| Process process = Runtime.getRuntime().exec( |
| commands, environment, null); |
| logErrors(process); |
| assertEquals("foo", readLine(process)); |
| } |
| |
| String readLine(Process process) throws IOException { |
| InputStream in = process.getInputStream(); |
| BufferedReader reader = new BufferedReader(new InputStreamReader(in)); |
| return reader.readLine(); |
| } |
| |
| void logErrors(final Process process) throws IOException { |
| Thread thread = new Thread() { |
| public void run() { |
| InputStream in = process.getErrorStream(); |
| BufferedReader reader |
| = new BufferedReader(new InputStreamReader(in)); |
| String line; |
| try { |
| while ((line = reader.readLine()) != null) { |
| System.err.println(line); |
| } |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| }; |
| thread.setDaemon(true); |
| thread.start(); |
| } |
| |
| public void testHeavyLoad() { |
| int i; |
| for (i = 0; i < 100; i++) |
| stuff(); |
| } |
| |
| private static void stuff() { |
| Runtime rt = Runtime.getRuntime(); |
| try { |
| Process proc = rt.exec("ls"); |
| proc.waitFor(); |
| proc = null; |
| } catch (Exception ex) { |
| System.err.println("Failure: " + ex); |
| throw new RuntimeException(ex); |
| } |
| rt.gc(); |
| rt = null; |
| } |
| |
| FileOutputStream out; |
| |
| public void testCloseNonStandardFds() |
| throws IOException, InterruptedException { |
| String[] commands = { "ls", "/proc/self/fd" }; |
| |
| Process process = Runtime.getRuntime().exec(commands, null, null); |
| int before = countLines(process); |
| |
| File tmpFile = File.createTempFile("testCloseNonStandardFds", ".txt"); |
| // Open a new fd. |
| this.out = new FileOutputStream(tmpFile); |
| |
| try { |
| process = Runtime.getRuntime().exec(commands, null, null); |
| int after = countLines(process); |
| |
| // Assert that the new fd wasn't open in the second run. |
| assertEquals(before, after); |
| } finally { |
| this.out.close(); |
| tmpFile.delete(); |
| } |
| } |
| |
| /** |
| * Counts lines of input from the given process. Equivalent to "wc -l". |
| */ |
| private int countLines(Process process) throws IOException { |
| logErrors(process); |
| InputStream in = process.getInputStream(); |
| BufferedReader reader = new BufferedReader(new InputStreamReader(in)); |
| int count = 0; |
| while (reader.readLine() != null) { |
| count++; |
| } |
| return count; |
| } |
| |
| public void testInvalidCommand() |
| throws IOException, InterruptedException { |
| try { |
| String[] commands = { "doesnotexist" }; |
| Runtime.getRuntime().exec(commands, null, null); |
| } catch (IOException e) { /* expected */ } |
| } |
| } |