javacc-7.0.3.src.test.java.org.javacc.parser.ExpansionTest Maven / Gradle / Ivy

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JavaCC is a parser/scanner generator for Java.
There is a newer version: 7.0.13
/* Copyright (c) 2007, Sun Microsystems, Inc.
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 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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package org.javacc.parser;

import junit.framework.TestCase;

public final class ExpansionTest extends TestCase {

    private Token t;
    private Expansion e;

    public void setUp() {
        t = new Token();
        t.beginColumn = 2;
        t.beginLine = 3;
        e = new Expansion();
        e.setColumn(5);
        e.setLine(6);
    }
    public void testZeroOrOneConstructor() {
        ZeroOrOne zoo = new ZeroOrOne(t, e);
        assertEquals(t.beginColumn, zoo.getColumn());
        assertEquals(t.beginLine, zoo.getLine());
        assertEquals(e, zoo.expansion);
        assertSame(e.parent, zoo);
    }

    public void testZeroOrMoreConstructor() {
        ZeroOrMore zom = new ZeroOrMore(t, e);
        assertEquals(t.beginColumn, zom.getColumn());
        assertEquals(t.beginLine, zom.getLine());
        assertEquals(e, zom.expansion);
        assertEquals(e.parent, zom);
    }

    public void testRZeroOrMoreConstructor() {
        RegularExpression r = new RChoice();
        RZeroOrMore rzom = new RZeroOrMore(t, r);
        assertEquals(t.beginColumn, rzom.getColumn());
        assertEquals(t.beginLine, rzom.getLine());
        assertEquals(r, rzom.regexpr);
    }

    public void testROneOrMoreConstructor() {
        RegularExpression r = new RChoice();
        ROneOrMore room = new ROneOrMore(t, r);
        assertEquals(t.beginColumn, room.getColumn());
        assertEquals(t.beginLine, room.getLine());
        assertEquals(r, room.regexpr);
    }

    public void testOneOrMoreConstructor() {
        Expansion rce = new RChoice();
        OneOrMore oom = new OneOrMore(t, rce);
        assertEquals(t.beginColumn, oom.getColumn());
        assertEquals(t.beginLine, oom.getLine());
        assertEquals(rce, oom.expansion);
        assertEquals(rce.parent, oom);
    }


    public void testRStringLiteralConstructor() {
        RStringLiteral r = new RStringLiteral(t, "hey");
        assertEquals(t.beginColumn, r.getColumn());
        assertEquals(t.beginLine, r.getLine());
        assertEquals("hey", r.image);
    }

    public void testChoiceConstructor() {
        Choice c = new Choice(t);
        assertEquals(t.beginColumn, c.getColumn());
        assertEquals(t.beginLine, c.getLine());
        c = new Choice(e);
        assertEquals(e.getColumn(), c.getColumn());
        assertEquals(e.getLine(), c.getLine());
        assertEquals(e, c.getChoices().get(0));
    }

    public void testRJustNameConstructor() {
        RJustName r = new RJustName(t, "hey");
        assertEquals(t.beginColumn, r.getColumn());
        assertEquals(t.beginLine, r.getLine());
        assertEquals("hey", r.label);
    }

    public void testSequenceConstructor() {
        Lookahead la = new Lookahead();
        Sequence s = new Sequence(t, la);
        assertEquals(t.beginColumn, s.getColumn());
        assertEquals(t.beginLine, s.getLine());
        assertSame(la, s.units.get(0));
    }
}