001: /*
002: $Id: IfElseTest.java 3279 2005-12-15 18:39:38Z blackdrag $
003:
004: Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005:
006: Redistribution and use of this software and associated documentation
007: ("Software"), with or without modification, are permitted provided
008: that the following conditions are met:
009:
010: 1. Redistributions of source code must retain copyright
011: statements and notices. Redistributions must also contain a
012: copy of this document.
013:
014: 2. Redistributions in binary form must reproduce the
015: above copyright notice, this list of conditions and the
016: following disclaimer in the documentation and/or other
017: materials provided with the distribution.
018:
019: 3. The name "groovy" must not be used to endorse or promote
020: products derived from this Software without prior written
021: permission of The Codehaus. For written permission,
022: please contact info@codehaus.org.
023:
024: 4. Products derived from this Software may not be called "groovy"
025: nor may "groovy" appear in their names without prior written
026: permission of The Codehaus. "groovy" is a registered
027: trademark of The Codehaus.
028:
029: 5. Due credit should be given to The Codehaus -
030: http://groovy.codehaus.org/
031:
032: THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033: ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034: NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035: FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
036: THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043: OF THE POSSIBILITY OF SUCH DAMAGE.
044:
045: */
046:
047: package org.codehaus.groovy.classgen;
048:
049: import org.codehaus.groovy.ast.ClassHelper;
050: import org.codehaus.groovy.ast.ClassNode;
051: import org.codehaus.groovy.ast.ConstructorNode;
052: import org.codehaus.groovy.ast.FieldNode;
053: import org.codehaus.groovy.ast.MethodNode;
054: import org.codehaus.groovy.ast.Parameter;
055: import org.codehaus.groovy.ast.PropertyNode;
056: import org.codehaus.groovy.ast.expr.BinaryExpression;
057: import org.codehaus.groovy.ast.expr.BooleanExpression;
058: import org.codehaus.groovy.ast.expr.ConstantExpression;
059: import org.codehaus.groovy.ast.expr.FieldExpression;
060: import org.codehaus.groovy.ast.stmt.ExpressionStatement;
061: import org.codehaus.groovy.ast.stmt.IfStatement;
062: import org.codehaus.groovy.ast.stmt.Statement;
063: import org.codehaus.groovy.runtime.InvokerHelper;
064: import org.codehaus.groovy.syntax.Token;
065:
066: /**
067: *
068: * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
069: * @version $Revision: 3279 $
070: */
071: public class IfElseTest extends TestSupport {
072:
073: public void testLoop() throws Exception {
074: ClassNode classNode = new ClassNode("Foo", ACC_PUBLIC,
075: ClassHelper.OBJECT_TYPE);
076: classNode.addConstructor(new ConstructorNode(ACC_PUBLIC, null));
077: classNode.addProperty(new PropertyNode("bar", ACC_PUBLIC,
078: ClassHelper.STRING_TYPE, classNode, null, null, null));
079:
080: classNode.addProperty(new PropertyNode("result", ACC_PUBLIC,
081: ClassHelper.STRING_TYPE, classNode, null, null, null));
082:
083: BooleanExpression expression = new BooleanExpression(
084: new BinaryExpression(new FieldExpression(new FieldNode(
085: "bar", ACC_PRIVATE, ClassHelper.STRING_TYPE,
086: classNode, ConstantExpression.NULL)), Token
087: .newSymbol("==", 0, 0), new ConstantExpression(
088: "abc")));
089:
090: Statement trueStatement = new ExpressionStatement(
091: new BinaryExpression(new FieldExpression(new FieldNode(
092: "result", ACC_PRIVATE, ClassHelper.STRING_TYPE,
093: classNode, ConstantExpression.NULL)), Token
094: .newSymbol("=", 0, 0), new ConstantExpression(
095: "worked")));
096:
097: Statement falseStatement = createPrintlnStatement(new ConstantExpression(
098: "false"));
099:
100: IfStatement statement = new IfStatement(expression,
101: trueStatement, falseStatement);
102: classNode.addMethod(new MethodNode("ifDemo", ACC_PUBLIC,
103: ClassHelper.VOID_TYPE, Parameter.EMPTY_ARRAY,
104: ClassNode.EMPTY_ARRAY, statement));
105:
106: Class fooClass = loadClass(classNode);
107: assertTrue("Loaded a new class", fooClass != null);
108:
109: Object bean = fooClass.newInstance();
110: assertTrue("Managed to create bean", bean != null);
111:
112: assertSetProperty(bean, "bar", "abc");
113:
114: System.out
115: .println("################ Now about to invoke method");
116:
117: Object[] array = {};
118:
119: InvokerHelper.invokeMethod(bean, "ifDemo", array);
120:
121: System.out.println("################ Done");
122:
123: assertGetProperty(bean, "result", "worked");
124: }
125: }
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