/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.felix.gogo.runtime.expr;
import junit.framework.TestCase;
import org.apache.felix.gogo.runtime.Expression;
import java.util.HashMap;
import java.util.Map;
public class ExpressionTest extends TestCase {
public void testExpr() {
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("a", 2d);
variables.put("b", 5l);
variables.put("c", 1l);
variables.put("d", 2l);
variables.put("s", " foo ");
variables.put("t", "bar");
assertEquals(4l, new Expression("c+=1, d+=2").eval(variables));
assertEquals(" foo ", new Expression("\" foo \"").eval());
assertEquals(" foo bar", new Expression("s + t").eval(variables));
assertEquals(1l, new Expression("s < t").eval(variables));
assertEquals(1l, new Expression("s > t || t == \"bar\"").eval(variables));
assertEquals(3l, new Expression("a += 1").eval(variables));
assertEquals(3l, variables.get("a"));
assertEquals(30l, new Expression("10 + 20 | 30").eval());
assertEquals(8l, new Expression("a + b").eval(variables));
assertEquals(3l, new Expression("if(a < b, a, b)").eval(variables));
assertEquals(16l, new Expression("2 + 2 << 2").eval());
assertEquals(8l, new Expression("2 | 2 << 2").eval());
}
}