FlexPMD/language-module/parser/parser-impl/src/test/java/org/apache/flex/pmd/parser/impl/TestUnaryExpression.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 org.apache.flex.pmd.parser.exceptions.TokenException;
import org.junit.Test;

public class TestUnaryExpression extends AbstractStatementTestBase {

    @Test
    public void testArrayAccess() throws TokenException {
        assertStatement("1",
                "x[0]",
                "<arr-acc line=\"1\"><primary line=\"1\">x<"
                        + "/primary><primary line=\"1\">0</primary></arr-acc>");
    }

    @Test
    public void testComplex() throws TokenException {
        assertStatement("1",
                "a.b['c'].d.e(1)",
                "<dot line=\"1\"><primary line=\"1\">a"
                        + "</primary><dot line=\"1\"><arr-acc line=\"1\">"
                        + "<primary line=\"1\">b</primary><primary line=\"1\">"
                        + "'c'</primary></arr-acc><dot line=\"1\"><primary line=\"1\">"
                        + "d</primary><call line=\"1\"><primary line=\"1\">e"
                        + "</primary><arguments line=\"1\"><primary line=\"1\">1"
                        + "</primary></arguments></call></dot></dot></dot>");

        assertStatement("2",
                "a.b['c']['d'].e(1)",
                "<dot line=\"1\"><primary line=\"1\">a"
                        + "</primary><dot line=\"1\"><arr-acc line=\"1\">"
                        + "<primary line=\"1\">b</primary><primary line=\"1\">"
                        + "'c'</primary><primary line=\"1\">'d'</primary>"
                        + "</arr-acc><call line=\"1\"><primary line=\"1\">"
                        + "e</primary><arguments line=\"1\"><primary line=\"1\">1"
                        + "</primary></arguments></call></dot></dot>");
    }

    @Test
    public void testMethodCall() throws TokenException {
        assertStatement("1",
                "method()",
                "<call line=\"1\"><primary line=\"1\">"
                        + "method</primary><arguments line=\"1\"></arguments></call>");

        assertStatement("2",
                "method( 1, \"two\" )",
                "<call line=\"1\"><primary line=\"1\">"
                        + "method</primary><arguments line=\"1\"><primary line=\"1\">1"
                        + "</primary><primary line=\"1\">\"two\"</primary></arguments></call>");
    }

    @Test
    public void testMultipleMethodCall() throws TokenException {
        assertStatement("1",
                "method()()",
                "<call line=\"1\"><primary line=\"1\">"
                        + "method</primary><arguments line=\"1\"></arguments>"
                        + "<arguments line=\"1\"></arguments></call>");
    }

    @Test
    public void testParseUnaryExpressions() throws TokenException {
        assertStatement("1",
                "++x",
                "<pre-inc line=\"1\"><primary line=\"1\">x</primary></pre-inc>");
        assertStatement("2",
                "x++",
                "<post-inc line=\"2\"><primary line=\"1\">x</primary></post-inc>");
        assertStatement("3",
                "--x",
                "<pre-dec line=\"1\"><primary line=\"1\">x</primary></pre-dec>");
        assertStatement("4",
                "x--",
                "<post-dec line=\"2\"><primary line=\"1\">x</primary></post-dec>");
        assertStatement("5",
                "+x",
                "<plus line=\"1\"><primary line=\"1\">x</primary></plus>");
        assertStatement("6",
                "+ x",
                "<plus line=\"1\"><primary line=\"1\">x</primary></plus>");
        assertStatement("7",
                "-x",
                "<minus line=\"1\"><primary line=\"1\">x</primary></minus>");
        assertStatement("8",
                "- x",
                "<minus line=\"1\"><primary line=\"1\">x</primary></minus>");
        assertStatement("9",
                "delete x",
                "<delete line=\"1\"><primary line=\"1\">x</primary></delete>");
        assertStatement("a",
                "void x",
                "<void line=\"1\"><primary line=\"1\">x</primary></void>");
        assertStatement("b",
                "typeof x",
                "<typeof line=\"1\"><primary line=\"1\">x</primary></typeof>");
        assertStatement("c",
                "! x",
                "<not line=\"1\"><primary line=\"1\">x</primary></not>");
        assertStatement("d",
                "~ x",
                "<b-not line=\"1\"><primary line=\"1\">x</primary></b-not>");
        assertStatement("e",
                "x++",
                "<post-inc line=\"2\"><primary line=\"1\">x</primary></post-inc>");
        assertStatement("f",
                "x--",
                "<post-dec line=\"2\"><primary line=\"1\">x</primary></post-dec>");
    }
}