| /* |
| * 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 groovy.bugs |
| |
| import groovy.test.GroovyTestCase |
| import org.codehaus.groovy.ast.ClassNode |
| import org.codehaus.groovy.ast.CompileUnit |
| import org.codehaus.groovy.ast.ModuleNode |
| import org.codehaus.groovy.tools.javac.JavaStubGenerator |
| import org.objectweb.asm.Opcodes |
| import org.codehaus.groovy.ast.ClassHelper |
| import org.codehaus.groovy.ast.FieldNode |
| import org.codehaus.groovy.ast.expr.ConstantExpression |
| |
| class Groovy5260Bug extends GroovyTestCase implements Opcodes { |
| File outputDir |
| |
| @Override |
| protected void setUp() { |
| super.setUp() |
| outputDir = File.createTempFile("stub","groovy") |
| outputDir.mkdirs() |
| } |
| |
| @Override |
| protected void tearDown() { |
| super.tearDown() |
| outputDir.delete() |
| } |
| |
| private void checkConstant(ConstantExpression constant, String expectation) { |
| ClassNode cn = new ClassNode("Foo", ACC_PUBLIC, ClassHelper.OBJECT_TYPE) |
| ModuleNode module = new ModuleNode(new CompileUnit(null,null)) |
| cn.setModule(module) |
| cn.addField(new FieldNode("constant", ACC_PUBLIC+ACC_STATIC+ACC_FINAL, constant.type, cn, constant)) |
| StringWriter wrt = new StringWriter() |
| PrintWriter out = new PrintWriter(wrt) |
| JavaStubGenerator generator = new StringJavaStubGenerator(outputDir, out) |
| generator.generateClass(cn) |
| |
| String stub = wrt.toString() |
| assert (stub =~ expectation) |
| } |
| |
| void testLongConstant() { |
| def constant = new ConstantExpression(666, true) |
| constant.type = ClassHelper.long_TYPE |
| checkConstant(constant, /\(long\) 666L/) |
| } |
| |
| void testIntConstant() { |
| def constant = new ConstantExpression(666, true) |
| constant.type = ClassHelper.int_TYPE |
| checkConstant(constant, /\(int\) 666/) |
| } |
| |
| void testByteConstant() { |
| def constant = new ConstantExpression(123, true) |
| constant.type = ClassHelper.byte_TYPE |
| checkConstant(constant, /\(byte\) 123/) |
| } |
| |
| void testBooleanConstant() { |
| def constant = new ConstantExpression(false, true) |
| constant.type = ClassHelper.boolean_TYPE |
| // boolean type is not optimized yet |
| checkConstant(constant, /new java.lang.Boolean\(\(boolean\)false\)/) |
| } |
| |
| void testStringConstant() { |
| def constant = new ConstantExpression('foo', true) |
| constant.type = ClassHelper.STRING_TYPE |
| checkConstant(constant, /"foo"/) |
| } |
| |
| /** |
| * Helper class, which generates code in a string instead of an output file. |
| */ |
| private static final class StringJavaStubGenerator extends JavaStubGenerator { |
| PrintWriter out |
| StringJavaStubGenerator(File outFile, PrintWriter out) { |
| super(outFile) |
| this.out = out |
| } |
| public void generateClass(ClassNode classNode) throws FileNotFoundException { |
| |
| |
| try { |
| String packageName = classNode.getPackageName(); |
| if (packageName != null) { |
| out.println("package " + packageName + ";\n"); |
| } |
| |
| super.printImports(out, classNode); |
| super.printClassContents(out, classNode); |
| |
| } finally { |
| try { |
| out.close(); |
| } catch (Exception e) { |
| // ignore |
| } |
| } |
| } |
| } |
| } |