TestTextPositionComparator.java

package com.sap.furcas.ide.editor.contentassist;

import static org.junit.Assert.assertTrue;

import org.junit.Before;
import org.junit.Test;

public class TestTextPositionComparator {

    private TextPositionComparator comparator;

    @Before
    public void createComparator() {
        comparator = new TextPositionComparator();
    }

    @Test
    public void testCompareSmallerLine() {
        TextPosition a = new TextPosition(0, 0);
        TextPosition b = new TextPosition(1, 0);

        assertTrue(comparator.compare(a, b) < 0);

    }

    @Test
    public void testCompareSmallerLineButGreaterInPosition() {
        TextPosition a = new TextPosition(0, 14);
        TextPosition b = new TextPosition(1, 0);

        assertTrue(comparator.compare(a, b) < 0);

    }

    @Test
    public void testCompareGreaterLine() {
        TextPosition a = new TextPosition(5, 0);
        TextPosition b = new TextPosition(4, 0);

        assertTrue(comparator.compare(a, b) > 0);

    }

    @Test
    public void testCompareSmallerInLine() {
        TextPosition a = new TextPosition(3, 0);
        TextPosition b = new TextPosition(3, 1);

        assertTrue(comparator.compare(a, b) < 0);

    }

    @Test
    public void testCompareGreaterInLine() {
        TextPosition a = new TextPosition(4, 4);
        TextPosition b = new TextPosition(4, 3);

        assertTrue(comparator.compare(a, b) > 0);

    }

    @Test
    public void testCompareEqual() {
        TextPosition a = new TextPosition(13, 7);
        TextPosition b = new TextPosition(13, 7);

        assertTrue(comparator.compare(a, b) == 0);

    }

}