| /* |
| * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package build.tools.depend; |
| |
| import com.sun.source.util.Plugin; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Arrays; |
| import java.util.List; |
| import javax.tools.JavaCompiler; |
| import javax.tools.SimpleJavaFileObject; |
| import javax.tools.ToolProvider; |
| |
| |
| public class DependTest { |
| |
| public static void main(String... args) throws Exception { |
| DependTest test = new DependTest(); |
| |
| test.setupClass(); |
| |
| test.testMethods(); |
| test.testFields(); |
| test.testModules(); |
| test.testAnnotations(); |
| } |
| |
| public void testMethods() throws Exception { |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| " public void test() {\n" + |
| " }\n" + |
| "}", |
| true); |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| " private void test() {\n" + |
| " }\n" + |
| "}", |
| false); |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| " public void test() {\n" + |
| " }\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| "}", |
| true); |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| " private void test() {\n" + |
| " }\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| "}", |
| false); |
| } |
| |
| public void testFields() throws Exception { |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| " public int test;\n" + |
| "}", |
| true); |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| " private int test;\n" + |
| "}", |
| false); |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| " public static final int test = 0;\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| " public static final int test = 1;\n" + |
| "}", |
| true); |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| " public int test;\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| "}", |
| true); |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| " private int test;\n" + |
| "}", |
| "package test;" + |
| "public class Test {\n" + |
| "}", |
| false); |
| } |
| |
| public void testAnnotations() throws Exception { |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| "}", |
| "package test;" + |
| "@SuppressWarnings(\"any\")\n" + |
| "public class Test {\n" + |
| "}", |
| false); |
| doOrdinaryTest("package test;" + |
| "public class Test {\n" + |
| "}", |
| "package test;" + |
| "@Deprecated\n" + |
| "public class Test {\n" + |
| "}", |
| true); |
| } |
| |
| public void testModules() throws Exception { |
| doModuleTest("module m { }", |
| "module m { requires java.compiler; }", |
| true); |
| doModuleTest("module m { requires java.compiler; }", |
| "module m { requires java.compiler; }", |
| false); |
| doModuleTest("module m { requires java.compiler; }", |
| "module m { requires jdk.compiler; }", |
| true); |
| doModuleTest("module m { }", |
| "module m { exports test; }", |
| true); |
| doModuleTest("module m { }", |
| "module m { exports test to java.base; }", |
| true); |
| doModuleTest("module m { }", |
| "module m { exports test to java.compiler; }", |
| true); |
| doModuleTest("module m { }", |
| "module m { uses test.Test1; }", |
| true); |
| doModuleTest("module m { uses test.Test1; }", |
| "module m { uses test.Test2; }", |
| true); |
| doModuleTest("module m { }", |
| "module m { provides test.Test1 with test.TestImpl1; }", |
| true); |
| doModuleTest("module m { provides test.Test1 with test.TestImpl1; }", |
| "module m { provides test.Test2 with test.TestImpl1; }", |
| true); |
| doModuleTest("module m { provides test.Test1 with test.TestImpl1; }", |
| "module m { provides test.Test1 with test.TestImpl2; }", |
| true); |
| } |
| |
| private final JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); |
| private Path depend; |
| private Path scratchServices; |
| private Path scratchClasses; |
| private Path apiHash; |
| |
| private void setupClass() throws IOException { |
| depend = Paths.get(Depend.class.getProtectionDomain().getCodeSource().getLocation().getPath()); |
| Path scratch = Files.createTempDirectory("depend-test"); |
| scratchServices = scratch.resolve("services"); |
| Path scratchClassesServices = scratchServices.resolve("META-INF").resolve("services"); |
| Files.createDirectories(scratchClassesServices); |
| |
| try (OutputStream out = Files.newOutputStream(scratchClassesServices.resolve(Plugin.class.getName()))) { |
| out.write(Depend.class.getName().getBytes()); |
| } |
| |
| scratchClasses = scratch.resolve("classes"); |
| |
| Files.createDirectories(scratchClasses); |
| |
| apiHash = scratch.resolve("api"); |
| } |
| |
| private void doOrdinaryTest(String codeBefore, String codeAfter, boolean hashChangeExpected) throws Exception { |
| List<String> options = |
| Arrays.asList("-d", scratchClasses.toString(), |
| "-processorpath", depend.toString() + File.pathSeparator + scratchServices.toString(), |
| "-Xplugin:depend " + apiHash.toString()); |
| List<TestJavaFileObject> beforeFiles = |
| Arrays.asList(new TestJavaFileObject("module-info", "module m { exports test; }"), |
| new TestJavaFileObject("test.Test", codeBefore)); |
| compiler.getTask(null, null, null, options, null, beforeFiles).call(); |
| byte[] originalHash = Files.readAllBytes(apiHash); |
| List<TestJavaFileObject> afterFiles = |
| Arrays.asList(new TestJavaFileObject("module-info", "module m { exports test; }"), |
| new TestJavaFileObject("test.Test", codeAfter)); |
| compiler.getTask(null, null, null, options, null, afterFiles).call(); |
| byte[] newHash = Files.readAllBytes(apiHash); |
| |
| if (Arrays.equals(originalHash, newHash) ^ !hashChangeExpected) { |
| throw new AssertionError("Unexpected hash state."); |
| } |
| } |
| |
| private void doModuleTest(String codeBefore, String codeAfter, boolean hashChangeExpected) throws Exception { |
| List<String> options = |
| Arrays.asList("-d", scratchClasses.toString(), |
| "-processorpath", depend.toString() + File.pathSeparator + scratchServices.toString(), |
| "-Xplugin:depend " + apiHash.toString()); |
| List<TestJavaFileObject> beforeFiles = |
| Arrays.asList(new TestJavaFileObject("module-info", codeBefore), |
| new TestJavaFileObject("test.Test1", "package test; public interface Test1 {}"), |
| new TestJavaFileObject("test.Test2", "package test; public interface Test2 {}"), |
| new TestJavaFileObject("test.TestImpl1", "package test; public class TestImpl1 implements Test1, Test2 {}"), |
| new TestJavaFileObject("test.TestImpl2", "package test; public class TestImpl2 implements Test1, Test2 {}")); |
| compiler.getTask(null, null, null, options, null, beforeFiles).call(); |
| byte[] originalHash = Files.readAllBytes(apiHash); |
| List<TestJavaFileObject> afterFiles = |
| Arrays.asList(new TestJavaFileObject("module-info", codeAfter), |
| new TestJavaFileObject("test.Test1", "package test; public interface Test1 {}"), |
| new TestJavaFileObject("test.Test2", "package test; public interface Test2 {}"), |
| new TestJavaFileObject("test.TestImpl1", "package test; public class TestImpl1 implements Test1, Test2 {}"), |
| new TestJavaFileObject("test.TestImpl2", "package test; public class TestImpl2 implements Test1, Test2 {}")); |
| compiler.getTask(null, null, null, options, null, afterFiles).call(); |
| byte[] newHash = Files.readAllBytes(apiHash); |
| |
| if (Arrays.equals(originalHash, newHash) ^ !hashChangeExpected) { |
| throw new AssertionError("Unexpected hash state."); |
| } |
| } |
| |
| private static final class TestJavaFileObject extends SimpleJavaFileObject { |
| |
| private final String code; |
| |
| public TestJavaFileObject(String className, String code) throws URISyntaxException { |
| super(new URI("mem:/" + className.replace('.', '/') + ".java"), Kind.SOURCE); |
| this.code = code; |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean arg0) throws IOException { |
| return code; |
| } |
| |
| } |
| } |
