01: /*
02: * Copyright 2006, 2007 Odysseus Software GmbH
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package de.odysseus.el.tree.impl.ast;
17:
18: import de.odysseus.el.TestCase;
19:
20: public class AstEvalTest extends TestCase {
21: AstEval parseNode(String expression) {
22: return (AstEval) parse(expression).getRoot();
23: }
24:
25: public void testIsLeftValue() {
26: assertFalse(parseNode("${1}").isLeftValue());
27: assertTrue(parseNode("${foo.bar}").isLeftValue());
28: }
29:
30: public void testIsDeferred() {
31: assertTrue(parseNode("#{1}").isDeferred());
32: assertFalse(parseNode("${1}").isDeferred());
33: }
34:
35: public void testEval() {
36: assertEquals(1l, parseNode("${1}").eval(null, null));
37: }
38:
39: public void testAppendStructure() {
40: StringBuilder s = new StringBuilder();
41: parseNode("${1}").appendStructure(s, null);
42: assertEquals("${1}", s.toString());
43: }
44: }
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