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 8160489 27 * @summary tests for --patch-modules 28 * @library /tools/lib 29 * @modules 30 * jdk.compiler/com.sun.tools.javac.api 31 * jdk.compiler/com.sun.tools.javac.file 32 * jdk.compiler/com.sun.tools.javac.main 33 * @build toolbox.ToolBox toolbox.JavacTask toolbox.ModuleBuilder ModuleTestBase 34 * @run main PatchModulesTest 35 */ 36 37 import java.io.File; 38 import java.io.IOException; 39 import java.io.PrintWriter; 40 import java.io.StringWriter; 41 import java.lang.reflect.Field; 42 import java.nio.file.Path; 43 import java.nio.file.Paths; 44 import java.util.List; 45 import java.util.Map; 46 import java.util.stream.Collectors; 47 48 import javax.tools.JavaFileObject; 49 import javax.tools.ToolProvider; 50 51 import com.sun.source.util.JavacTask; 52 import com.sun.tools.javac.api.JavacTool; 53 import com.sun.tools.javac.file.BaseFileManager; 54 import com.sun.tools.javac.file.JavacFileManager; 55 import com.sun.tools.javac.file.Locations; 56 57 import static java.util.Arrays.asList; 58 59 60 public class PatchModulesTest extends ModuleTestBase { 61 62 public static void main(String... args) throws Exception { 63 PatchModulesTest t = new PatchModulesTest(); 64 t.init(); 65 t.runTests(); 66 } 67 68 private static String PS = File.pathSeparator; 69 70 void init() throws IOException { 71 tb.createDirectories("a", "b", "c", "d", "e"); 72 tb.writeJavaFiles(Paths.get("."), "class C { }"); 73 } 74 75 @Test 76 public void testSimple(Path base) throws Exception { 77 test(asList("java.base=a"), 78 "{java.base=[a]}"); 79 } 80 81 @Test 82 public void testPair(Path base) throws Exception { 83 test(asList("java.base=a", "java.compiler=b"), 84 "{java.base=[a], java.compiler=[b]}"); 85 } 86 87 @Test 88 public void testMultiple(Path base) throws Exception { 89 test(asList("java.base=a:b"), 90 "{java.base=[a, b]}"); 91 } 92 93 @Test 94 public void testLastOneWins(Path base) throws Exception { 95 test(asList("java.base=a", "java.compiler=b", "java.base=c"), 96 "{java.base=[c], java.compiler=[b]}"); 97 } 98 99 void test(List<String> patches, String expect) throws Exception { 100 JavacTool tool = (JavacTool) ToolProvider.getSystemJavaCompiler(); 101 StringWriter sw = new StringWriter(); 102 try (PrintWriter pw = new PrintWriter(sw)) { 103 JavacFileManager fm = tool.getStandardFileManager(null, null, null); 104 List<String> opts = patches.stream() 105 .map(p -> "--patch-module=" + p.replace(":", PS)) 106 .collect(Collectors.toList()); 107 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects("C.java"); 108 JavacTask task = tool.getTask(pw, fm, null, opts, null, files); 109 110 Field locationsField = BaseFileManager.class.getDeclaredField("locations"); 111 locationsField.setAccessible(true); 112 Object locations = locationsField.get(fm); 113 114 Field patchMapField = Locations.class.getDeclaredField("patchMap"); 115 patchMapField.setAccessible(true); 116 Map<?,?> patchMap = (Map<?,?>) patchMapField.get(locations); 117 String found = patchMap.toString(); 118 119 if (!found.equals(expect)) { 120 tb.out.println("Expect: " + expect); 121 tb.out.println("Found: " + found); 122 error("output not as expected"); 123 } 124 } 125 } 126 } 127