FlexPMD/language-module/parser/parser-impl/src/test/java/org/apache/flex/pmd/parser/impl/TestPrimaryExpression.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.flex.pmd.parser.impl;

import static org.junit.Assert.*;

import org.apache.flex.pmd.parser.exceptions.TokenException;
import org.junit.Test;

public class TestPrimaryExpression extends AbstractAs3ParserTestBase {

    @Test
    public void testArrayLiteral() throws TokenException {
        assertPrimary("[1,2,3]",
                "<array line=\"1\"><primary line=\"1\">1"
                        + "</primary><primary line=\"1\">2</primary>"
                        + "<primary line=\"1\">3</primary></array>");
    }

    @Test
    public void testBooleans() throws TokenException {
        assertPrimary("true");
        assertPrimary("false");
    }

    @Test
    public void testFunctionLiteral() throws TokenException {
        assertPrimary("function ( a : Object ) : * { trace('test'); }",
                "<lambda line=\"1\"><parameter-list line=\"1\">"
                        + "<parameter line=\"1\"><name-type-init line=\"1\">"
                        + "<name line=\"1\">a</name><type line=\"1\">"
                        + "Object</type></name-type-init></parameter></parameter-list>"
                        + "<type line=\"1\">*</type><block line=\"1\">"
                        + "<call line=\"1\"><primary line=\"1\">trace</primary>"
                        + "<arguments line=\"1\"><primary line=\"1\">'test'"
                        + "</primary></arguments></call></block></lambda>");
    }

    @Test
    public void testNull() throws TokenException {
        assertPrimary("null");
    }

    @Test
    public void testNumbers() throws TokenException {
        assertPrimary("1");
        assertPrimary("0xff");
        assertPrimary("0777");
        assertPrimary(".12E5");
    }

    @Test
    public void testObjectLiteral() throws TokenException {
        assertPrimary("{a:1,b:2}",
                "<object line=\"1\"><prop line=\"1\">"
                        + "<name line=\"1\">a</name><value line=\"1\">"
                        + "<primary line=\"1\">1</primary></value></prop><prop line=\"1\">"
                        + "<name line=\"1\">b</name><value line=\"1\">"
                        + "<primary line=\"1\">2</primary></value></prop></object>");
    }

    @Test
    public void testStrings() throws TokenException {
        assertPrimary("\"string\"");
        assertPrimary("'string'");
    }

    @Test
    public void testUndefined() throws TokenException {
        assertPrimary("undefined");
    }

    private void assertPrimary(final String input) throws TokenException {
        assertPrimary(input,
                input);
    }

    private void assertPrimary(final String input,
                               final String expected) throws TokenException {
        scn.setLines(new String[]
                {input,
                        "__END__"});
        asp.nextToken();
        final String result = new ASTToXMLConverter().convert(asp.parsePrimaryExpression());
        assertEquals("unexpected", "<primary line=\"1\">" + expected + "</primary>", result);
    }

}