| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.netbeans.lib.nbjavac.services; |
| |
| import com.sun.tools.javac.api.JavacTaskImpl; |
| import com.sun.tools.javac.api.JavacTool; |
| import com.sun.tools.javac.util.Context; |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.RandomAccessFile; |
| import java.net.URI; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import javax.tools.DiagnosticCollector; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileObject; |
| import javax.tools.SimpleJavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.StandardLocation; |
| import javax.tools.ToolProvider; |
| import org.junit.Assert; |
| import org.netbeans.junit.NbTestCase; |
| |
| import static org.netbeans.lib.nbjavac.services.Utilities.DEV_NULL; |
| |
| /** |
| * |
| * @author lahvac |
| */ |
| public class NBClassReaderTest extends NbTestCase { |
| |
| public NBClassReaderTest(String testName) { |
| super(testName); |
| } |
| |
| public void testTooNewClassFile() throws Exception { |
| compile("package test; public class Test { }"); |
| File testClass = new File(new File(workingDir, "test"), "Test.class"); |
| try (RandomAccessFile raf = new RandomAccessFile(testClass, "rw")) { |
| raf.seek(6); |
| |
| raf.write(0xFF); |
| raf.write(0xFF); |
| } |
| testCompile("package test; class Test2 { Test t; }", |
| "/Test.java:1:compiler.warn.big.major.version"); |
| } |
| |
| public void testReadBytes() throws Exception { |
| byte[] data = new byte[1024]; |
| for (int i = 0; i < data.length; i++) { |
| data[i] = (byte) i; |
| } |
| for (int i = 0; i <= data.length; i++) { |
| int available = i; |
| ByteArrayInputStream dataIS = new ByteArrayInputStream(data); |
| InputStream testIS = new InputStream() { |
| @Override |
| public int read() throws IOException { |
| return dataIS.read(); |
| } |
| @Override |
| public int available() throws IOException { |
| return available; |
| } |
| }; |
| byte[] actual = NBClassReader.readFile(testIS); |
| Assert.assertArrayEquals(data, actual); |
| } |
| } |
| //<editor-fold defaultstate="collapsed" desc=" Test Infrastructure "> |
| private static class MyFileObject extends SimpleJavaFileObject { |
| private String text; |
| |
| public MyFileObject(String text) { |
| super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
| this.text = text; |
| } |
| |
| @Override |
| public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
| return text; |
| } |
| } |
| |
| private File workingDir; |
| |
| @Override |
| protected void setUp() throws Exception { |
| workingDir = getWorkDir(); |
| } |
| |
| private void compile(String code) throws Exception { |
| final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); |
| assert tool != null; |
| |
| StandardJavaFileManager std = tool.getStandardFileManager(null, null, null); |
| |
| std.setLocation(StandardLocation.CLASS_OUTPUT, Collections.singleton(workingDir)); |
| |
| Context context = new Context(); |
| NBLog.preRegister(context, DEV_NULL); |
| final JavacTaskImpl ct = (JavacTaskImpl) ((JavacTool)tool).getTask(null, std, null, Arrays.asList("-source", "8", "-target", "8"), null, Arrays.asList(new MyFileObject(code)), context); |
| |
| ct.call(); |
| } |
| |
| private void testCompile(String code, String... expectedErrors) throws IOException { |
| final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); |
| assert tool != null; |
| |
| StandardJavaFileManager std = tool.getStandardFileManager(null, null, null); |
| |
| std.setLocation(StandardLocation.CLASS_PATH, Collections.singleton(workingDir)); |
| |
| Context context = new Context(); |
| NBLog.preRegister(context, DEV_NULL); |
| DiagnosticCollector<JavaFileObject> diags = new DiagnosticCollector<>(); |
| JavacTaskImpl ct = (JavacTaskImpl)((JavacTool)tool).getTask(null, std, diags, Arrays.asList("-source", "1.8", "-target", "1.8", "-Xlint:-options", "-XDrawDiagnostics"), null, Arrays.asList(new MyFileObject(code)), context); |
| |
| NBClassReader.preRegister(ct.getContext()); |
| |
| ct.analyze(); |
| |
| List<String> actualErrors = diags.getDiagnostics().stream().map(d -> (d.getSource() != null ? d.getSource().getName() + ":" : "") + d.getLineNumber() + ":" + d.getCode()).collect(Collectors.toList()); |
| |
| assertEquals(Arrays.asList(expectedErrors), actualErrors); |
| } |
| //</editor-fold> |
| } |