verifiercodevisitortest.java

来自「大名鼎鼎的java动态脚本语言。已经通过了sun的认证」· Java 代码 · 共 59 行

/**
 *
 * Copyright 2004 James Strachan
 *
 * 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 org.codehaus.groovy.classgen;

import junit.framework.TestCase;
import org.codehaus.groovy.ast.ASTNode;
import org.codehaus.groovy.syntax.RuntimeParserException;

/**
 * @version $Revision: 1.4 $
 */
public class VerifierCodeVisitorTest extends TestCase {
    public void testValidNames() {
        assertValidName("a");
        assertValidName("a1234");
        assertValidName("a_b_c");
        assertValidName("a____1234");
    }

    public void testInvalidNames() {
        assertInvalidName("1");
        assertInvalidName("100");
        assertInvalidName("1a");
        assertInvalidName("a!");
        assertInvalidName("a.");
        assertInvalidName("$");
        assertInvalidName("$foo");
    }

    protected void assertValidName(String name) {
        VerifierCodeVisitor.assertValidIdentifier(name, "variable name", new ASTNode());
    }

    protected void assertInvalidName(String name) {
        try {
            VerifierCodeVisitor.assertValidIdentifier(name, "variable name", new ASTNode());
            fail("Should have thrown exception due to invalid name: " + name);
        }
        catch (RuntimeParserException e) {
            System.out.println("Caught invalid exception: " + e);
        }
    }
}