/*
* Copyright 2016 Nabarun Mondal
* Licensed 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 com.noga.njexl.lang;
/**
* Tests for blocks
* @since 1.1
*/
public class BlockTest extends JexlTestCase {
/**
* Create the test
*
* @param testName name of the test
*/
public BlockTest(String testName) {
super(testName);
}
public void testBlockSimple() throws Exception {
Expression e = JEXL.createExpression("if (true) { 'hello'; }");
JexlContext jc = new MapContext();
Object o = e.evaluate(jc);
assertEquals("Result is wrong", "hello", o);
}
public void testBlockExecutesAll() throws Exception {
Expression e = JEXL.createExpression("if (true) { x = 'Hello'; y = 'World';}");
JexlContext jc = new MapContext();
Object o = e.evaluate(jc);
assertEquals("First result is wrong", "Hello", jc.get("x"));
assertEquals("Second result is wrong", "World", jc.get("y"));
assertEquals("Block result is wrong", "World", o);
}
public void testEmptyBlock() throws Exception {
Expression e = JEXL.createExpression("if (true) { }");
JexlContext jc = new MapContext();
Object o = e.evaluate(jc);
assertNull("Result is wrong", o);
}
public void testBlockLastExecuted01() throws Exception {
Expression e = JEXL.createExpression("if (true) { x = 1; } else { x = 2; }");
JexlContext jc = new MapContext();
Object o = e.evaluate(jc);
assertEquals("Block result is wrong", new Integer(1), o);
}
public void testBlockLastExecuted02() throws Exception {
Expression e = JEXL.createExpression("if (false) { x = 1; } else { x = 2; }");
JexlContext jc = new MapContext();
Object o = e.evaluate(jc);
assertEquals("Block result is wrong", new Integer(2), o);
}
public void testNestedBlock() throws Exception {
Expression e = JEXL.createExpression("if (true) { x = 'hello'; y = 'world';" + " if (true) { x; } y; }");
JexlContext jc = new MapContext();
Object o = e.evaluate(jc);
assertEquals("Block result is wrong", "world", o);
}
}