| /* |
| $Id$ |
| |
| Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. |
| |
| Redistribution and use of this software and associated documentation |
| ("Software"), with or without modification, are permitted provided |
| that the following conditions are met: |
| |
| 1. Redistributions of source code must retain copyright |
| statements and notices. Redistributions must also contain a |
| copy of this document. |
| |
| 2. Redistributions in binary form must reproduce the |
| above copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| 3. The name "groovy" must not be used to endorse or promote |
| products derived from this Software without prior written |
| permission of The Codehaus. For written permission, |
| please contact info@codehaus.org. |
| |
| 4. Products derived from this Software may not be called "groovy" |
| nor may "groovy" appear in their names without prior written |
| permission of The Codehaus. "groovy" is a registered |
| trademark of The Codehaus. |
| |
| 5. Due credit should be given to The Codehaus - |
| http://groovy.codehaus.org/ |
| |
| THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS |
| ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT |
| NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| */ |
| |
| package org.codehaus.groovy.classgen; |
| |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.codehaus.groovy.ast.MethodNode; |
| import org.codehaus.groovy.ast.Parameter; |
| import org.codehaus.groovy.ast.expr.BinaryExpression; |
| import org.codehaus.groovy.ast.expr.BooleanExpression; |
| import org.codehaus.groovy.ast.expr.ConstantExpression; |
| import org.codehaus.groovy.ast.expr.GStringExpression; |
| import org.codehaus.groovy.ast.expr.MethodCallExpression; |
| import org.codehaus.groovy.ast.expr.VariableExpression; |
| 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; |
| |
| /** |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public class GStringTest extends TestSupport { |
| |
| public void testConstructor() throws Exception { |
| ClassNode classNode = new ClassNode("Foo", ACC_PUBLIC, "java.lang.Object"); |
| |
| //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 BinaryExpression( |
| new VariableExpression("user"), |
| Token.newSymbol("=", -1, -1), |
| new ConstantExpression("World")))); |
| block.addStatement( |
| new ExpressionStatement( |
| new BinaryExpression(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 BinaryExpression( |
| new VariableExpression("text"), |
| Token.newSymbol( "=", -1, -1), |
| new MethodCallExpression(new VariableExpression("str"), "toString", ConstantExpression.NULL)))); |
| |
| block.addStatement( |
| new AssertStatement( |
| new BooleanExpression( |
| new BinaryExpression( |
| new VariableExpression("text"), |
| Token.newSymbol( "==", -1, -1), |
| new ConstantExpression("Hello World!"))))); |
| classNode.addMethod(new MethodNode("stringDemo", ACC_PUBLIC, "void", Parameter.EMPTY_ARRAY, block)); |
| |
| Class fooClass = loadClass(classNode); |
| assertTrue("Loaded a new class", fooClass != null); |
| |
| Object bean = fooClass.newInstance(); |
| assertTrue("Managed to create bean", bean != null); |
| |
| System.out.println("################ Now about to invoke method"); |
| |
| //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"); |
| } |
| System.out.println("################ Done"); |
| } |
| } |