ContextDependencyTest.java

/*
 * 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.commons.jxpath.ri.compiler;

import org.apache.commons.jxpath.AbstractJXPathTest;
import org.apache.commons.jxpath.ri.Parser;

/**
 * Tests the determination of whether an expression is context dependent.
 */
public class ContextDependencyTest extends AbstractJXPathTest {

    public void testContextDependency() {
        testContextDependency("1", false);
        testContextDependency("$x", false);
        testContextDependency("/foo", false);
        testContextDependency("foo", true);
        testContextDependency("/foo[3]", false);
        testContextDependency("/foo[$x]", false);
        testContextDependency("/foo[bar]", true);
        testContextDependency("3 + 5", false);
        testContextDependency("test:func(3, 5)", true);
        testContextDependency("test:func(3, foo)", true);
    }

    public void testContextDependency(final String xpath, final boolean expected) {
        final Expression expr = (Expression) Parser.parseExpression(xpath, new TreeCompiler());

        assertEquals("Context dependency <" + xpath + ">", expected, expr.isContextDependent());
    }
}