// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.core.util;

import junit.framework.*;

public class SortableBuilderTest extends TestCase
{
    public static TestSuite suite()
    {
        return new TestSuite( SortableBuilderTest.class );
    }

    public SortableBuilderTest( String name )
    {
        super( name );
    }

    public static void main( String[] args )
    {
        junit.textui.TestRunner.run( suite() );
    }

    public void test_newFirstBefore()
            throws Exception
    {
        String[] testStrings = { //
                                 "a", "am", // Weird case should NOT happen if all generated
                                 "aaaaaa", "aaaaaam", // Weird case should NOT happen if all generated
                                 "b", "am", //
                                 "z", "m", //
                                 "test", "j", //
                                 "aaab", "aaaam", //
        };

        for ( int i = 0; i < testStrings.length; )
        {
            String s = testStrings[i++];
            String expected = testStrings[i++];
            String result = SortableBuilder.newFirstBefore( s );

            assertEquals( s, expected, result );
        }
    }

    public void test_newBetween()
            throws Exception
    {
        String[] testStrings = { //
                                 "a", "a", "a", // Special Case should NOT happen if all generated
                                 "test", "test", "test", // Special Case should NOT happen if all generated
                                 "a", "aa", "aam", // Weird case should NOT happen if all generated
                                 "b", "z", "n", //
                                 "z", "zz", "zm", //
                                 "test", "testm", "testg", //
                                 "testam", "testb", "testas", //
                                 "testam", "testbm", "testas", //
                                 "testaz", "testbm", "testazm", //
                                 "testabc", "testbbc", "testan", //
        };

        for ( int i = 0; i < testStrings.length; )
        {
            String s1 = testStrings[i++];
            String s2 = testStrings[i++];
            String expected = testStrings[i++];
            String result = SortableBuilder.newBetween( s1, s2 );

            assertEquals( s1 + " <-> " + s2, expected, result );
        }
    }

    public void test_newLastAfter()
            throws Exception
    {
        String[] testStrings = { //
                                 "a", "m", //
                                 "aa", "m", //
                                 "b", "n", //
                                 "z", "zm", //
                                 "test", "w", //
        };

        for ( int i = 0; i < testStrings.length; )
        {
            String s = testStrings[i++];
            String expected = testStrings[i++];
            String result = SortableBuilder.newLastAfter( s );

            assertEquals( s, expected, result );
        }
    }
}