| /* |
| * 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.getenv("ANDROID_ROOT") + "/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); |
| } |
| } |