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1
46
47 package org.codehaus.groovy.classgen;
48
49 import org.codehaus.groovy.ast.ClassNode;
50 import org.codehaus.groovy.ast.ConstructorNode;
51 import org.codehaus.groovy.ast.FieldNode;
52 import org.codehaus.groovy.ast.MethodNode;
53 import org.codehaus.groovy.ast.Parameter;
54 import org.codehaus.groovy.ast.PropertyNode;
55 import org.codehaus.groovy.ast.expr.BinaryExpression;
56 import org.codehaus.groovy.ast.expr.BooleanExpression;
57 import org.codehaus.groovy.ast.expr.ConstantExpression;
58 import org.codehaus.groovy.ast.expr.FieldExpression;
59 import org.codehaus.groovy.ast.stmt.ExpressionStatement;
60 import org.codehaus.groovy.ast.stmt.IfStatement;
61 import org.codehaus.groovy.ast.stmt.Statement;
62 import org.codehaus.groovy.runtime.InvokerHelper;
63 import org.codehaus.groovy.syntax.Token;
64
65
70 public class IfElseTest extends TestSupport {
71
72 public void testLoop() throws Exception  {
73 ClassNode classNode = new ClassNode("Foo", ACC_PUBLIC, "java.lang.Object");
74 classNode.addConstructor(new ConstructorNode(ACC_PUBLIC, null));
75 classNode.addProperty(new PropertyNode("bar", ACC_PUBLIC, "java.lang.String", "Foo", null, null, null));
76
77 classNode.addProperty(new PropertyNode("result", ACC_PUBLIC, "java.lang.String", "Foo", null, null, null));
78
79 BooleanExpression expression =
80 new BooleanExpression(
81 new BinaryExpression(
82 new FieldExpression(
83 new FieldNode("bar", ACC_PRIVATE, "java.lang.String", "Foo", ConstantExpression.NULL)),
84 Token.newSymbol("==", 0, 0),
85 new ConstantExpression("abc")));
86
87 Statement trueStatement =
88 new ExpressionStatement(
89 new BinaryExpression(
90 new FieldExpression(
91 new FieldNode("result", ACC_PRIVATE, "java.lang.String", "Foo", ConstantExpression.NULL)),
92 Token.newSymbol("=", 0, 0),
93 new ConstantExpression("worked")));
94
95 Statement falseStatement = createPrintlnStatement(new ConstantExpression("false"));
96
97 IfStatement statement = new IfStatement(expression, trueStatement, falseStatement);
98 classNode.addMethod(new MethodNode("ifDemo", ACC_PUBLIC, "void", Parameter.EMPTY_ARRAY, statement));
99
100 Class fooClass = loadClass(classNode);
101 assertTrue("Loaded a new class", fooClass != null);
102
103 Object bean = fooClass.newInstance();
104 assertTrue("Managed to create bean", bean != null);
105
106 assertSetProperty(bean, "bar", "abc");
107
108 System.out.println("################ Now about to invoke method");
109
110 Object [] array = {
111 };
112
113 InvokerHelper.invokeMethod(bean, "ifDemo", array);
114
115 System.out.println("################ Done");
116
117 assertGetProperty(bean, "result", "worked");
118 }
119 }
120 |
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