| /* |
| * 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.codehaus.groovy.classgen; |
| |
| import org.codehaus.groovy.ast.ClassHelper; |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.codehaus.groovy.ast.MethodNode; |
| import org.codehaus.groovy.ast.Parameter; |
| import org.codehaus.groovy.ast.expr.*; |
| import org.codehaus.groovy.ast.stmt.AssertStatement; |
| import org.codehaus.groovy.ast.stmt.BlockStatement; |
| import org.codehaus.groovy.ast.stmt.ExpressionStatement; |
| import org.codehaus.groovy.runtime.InvokerHelper; |
| import org.codehaus.groovy.runtime.InvokerInvocationException; |
| import org.codehaus.groovy.syntax.Token; |
| |
| public class GStringTest extends TestSupport { |
| |
| public void testConstructor() throws Exception { |
| ClassNode classNode = new ClassNode("Foo", ACC_PUBLIC, ClassHelper.OBJECT_TYPE); |
| |
| //Statement printStatement = createPrintlnStatement(new VariableExpression("str")); |
| |
| // simulate "Hello ${user}!" |
| GStringExpression compositeStringExpr = new GStringExpression("hello ${user}!"); |
| compositeStringExpr.addString(new ConstantExpression("Hello ")); |
| compositeStringExpr.addValue(new VariableExpression("user")); |
| compositeStringExpr.addString(new ConstantExpression("!")); |
| BlockStatement block = new BlockStatement(); |
| block.addStatement( |
| new ExpressionStatement( |
| new DeclarationExpression( |
| new VariableExpression("user"), |
| Token.newSymbol("=", -1, -1), |
| new ConstantExpression("World")))); |
| block.addStatement( |
| new ExpressionStatement( |
| new DeclarationExpression(new VariableExpression("str"), Token.newSymbol("=", -1, -1), compositeStringExpr))); |
| block.addStatement( |
| new ExpressionStatement( |
| new MethodCallExpression(VariableExpression.THIS_EXPRESSION, "println", new VariableExpression("str")))); |
| |
| block.addStatement( |
| new ExpressionStatement( |
| new DeclarationExpression( |
| new VariableExpression("text"), |
| Token.newSymbol("=", -1, -1), |
| new MethodCallExpression(new VariableExpression("str"), "toString", MethodCallExpression.NO_ARGUMENTS)))); |
| |
| block.addStatement( |
| new AssertStatement( |
| new BooleanExpression( |
| new BinaryExpression( |
| new VariableExpression("text"), |
| Token.newSymbol("==", -1, -1), |
| new ConstantExpression("Hello World!"))), |
| new ConstantExpression("Assertion failed") // TODO FIX if empty, AssertionWriter fails because source text is null |
| ) |
| ); |
| classNode.addMethod(new MethodNode("stringDemo", ACC_PUBLIC, ClassHelper.VOID_TYPE, Parameter.EMPTY_ARRAY, ClassNode.EMPTY_ARRAY, block)); |
| |
| Class fooClass = loadClass(classNode); |
| assertTrue("Loaded a new class", fooClass != null); |
| |
| Object bean = fooClass.getDeclaredConstructor().newInstance(); |
| assertTrue("Managed to create bean", bean != null); |
| |
| //Object[] array = { new Integer(1234), "abc", "def" }; |
| |
| try { |
| InvokerHelper.invokeMethod(bean, "stringDemo", null); |
| } |
| catch (InvokerInvocationException e) { |
| System.out.println("Caught: " + e.getCause()); |
| e.getCause().printStackTrace(); |
| fail("Should not have thrown an exception"); |
| } |
| } |
| } |