ToolProviderTest.java revision 3688:7752e4f2a338
1/* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 8159855 27 * @summary test javac's ToolProvider 28 * @library /tools/lib 29 * @build toolbox.TestRunner toolbox.ToolBox 30 * @run main ToolProviderTest 31 */ 32 33import java.io.*; 34import java.nio.file.Path; 35import java.nio.file.Paths; 36import java.util.*; 37import java.util.spi.ToolProvider; 38 39import toolbox.TestRunner; 40import toolbox.ToolBox; 41 42public class ToolProviderTest extends TestRunner { 43 public static void main(String... args) throws Exception { 44 new ToolProviderTest().runTests(); 45 } 46 47 ToolBox tb = new ToolBox(); 48 ToolProvider javac; 49 50 ToolProviderTest() { 51 super(System.err); 52 javac = ToolProvider.findFirst("javac").get(); 53 } 54 55 @Test 56 public void testProviders() throws Exception { 57 Map<String, ToolProvider> providers = new LinkedHashMap<>(); 58 for (ToolProvider tp : ServiceLoader.load(ToolProvider.class, 59 ClassLoader.getSystemClassLoader())) { 60 System.out.println("Provider: " + tp.name() + ": " + tp.getClass().getName()); 61 providers.put(tp.name(), tp); 62 } 63 if (!providers.containsKey("javac")) { 64 error("javac ToolProvider not found"); 65 } 66 } 67 68 @Test 69 public void testOneStream() throws Exception { 70 StringWriter sw = new StringWriter(); 71 try (PrintWriter pw = new PrintWriter(sw)) { 72 int rc = javac.run(pw, pw, "-help"); 73 if (rc != 0) { 74 error("unexpected exit code: " + rc); 75 } 76 } 77 String out = sw.toString(); 78 if (!out.contains("Usage:")) { 79 error("expected output not found"); 80 } 81 } 82 83 @Test 84 public void testTwoStreamsOut() throws Exception { 85 StringWriter swOut = new StringWriter(); 86 StringWriter swErr = new StringWriter(); 87 try (PrintWriter pwOut = new PrintWriter(swOut); 88 PrintWriter pwErr = new PrintWriter(swErr)) { 89 int rc = javac.run(pwOut, pwErr, "-help"); 90 if (rc != 0) { 91 error("unexpected exit code: " + rc); 92 } 93 } 94 String out = swOut.toString(); 95 String err = swErr.toString(); 96 if (!out.contains("Usage:")) { 97 error("stdout: expected output not found"); 98 } 99 if (!err.isEmpty()) { 100 error("stderr: unexpected output"); 101 } 102 } 103 104 @Test 105 public void testTwoStreamsErr() throws Exception { 106 Path src = Paths.get("src"); 107 Path classes = Paths.get("classes"); 108 tb.writeJavaFiles(src, 109 "import java.util.*; class C { # }"); 110 111 StringWriter swOut = new StringWriter(); 112 StringWriter swErr = new StringWriter(); 113 try (PrintWriter pwOut = new PrintWriter(swOut); 114 PrintWriter pwErr = new PrintWriter(swErr)) { 115 int rc = javac.run(pwOut, pwErr, 116 "-d", classes.toString(), 117 src.resolve("C.java").toString()); 118 if (rc != 1) { 119 error("unexpected exit code: " + rc); 120 } 121 } 122 123 String out = swOut.toString(); 124 String err = swErr.toString(); 125 if (!out.isEmpty()) { 126 error("stdout: unexpected output"); 127 } 128 if (!err.contains("illegal character")) { 129 error("stderr: expected output not found"); 130 } 131 } 132} 133