uccean128barcodetest.java

这是个国外JAVA爱好者写的条形码生成器

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package net.sourceforge.barbecue.linear.ean;

import junit.framework.TestCase;
import net.sourceforge.barbecue.CompositeModule;
import net.sourceforge.barbecue.Module;

public class UCCEAN128BarcodeTest extends TestCase {
    
    public void testConstructingWithNoAppIDThrowsException() throws Exception {
        try {
            new UCCEAN128Barcode(null, "35436");
            fail();
        } catch (IllegalArgumentException e) {
            // OK
        }
        
        try {
            new UCCEAN128Barcode("", "35436");
            fail();
        } catch (IllegalArgumentException e) {
            // OK
        }
    }
    
    public void testPreAmbleIsStartC() throws Exception {
        UCCEAN128Barcode barcode = new UCCEAN128Barcode("00", "00");
        CompositeModule m = (CompositeModule) barcode.getPreAmble();
        assertEquals(2, m.size());
        // Module at pos 0 is quiet section
        assertEquals(UCCEAN128Barcode.START_C, m.getModule(1));
    }
    
    public void testLabelIsAIInBracketsFollowedByDataWithChecksum() throws Exception {
        String data = "99999";
        UCCEAN128Barcode barcode = new UCCEAN128Barcode("010", data);
        assertEquals("(010) " + data + UCCEAN128Barcode.getMod10CheckDigit("99999", true), barcode.getLabel());
    }
    
    public void testCheckDigitCalculatedUsingStandardCode128Algorithm() throws Exception {
        UCCEAN128Barcode b = new UCCEAN128Barcode("00", "00030017000043516");
        assertEquals("8", b.getData().substring(b.getData().length() - 1));
    }
    
    public void testCalculateChecksumReturnsNullForNoCheckDigitConstructor() throws Exception {
        UCCEAN128Barcode b = new UCCEAN128Barcode("00", "00030017000043516", false);
        assertEquals(UCCEAN128Barcode.FNC_1 + "0000030017000043516", b.getData());
    }
    
    public void testBarcodeIncludesMod10CheckDigitAndEncodingAlsoIncludesCode128ymbologyCheckDigit() throws Exception {
        UCCEAN128Barcode b = new UCCEAN128Barcode("00", "12345");
        Module[] modules = b.encodeData();
        assertEquals(5, modules.length);
        String[] expected = new String[] {
            UCCEAN128Barcode.FNC_1,
            "00",
            "12",
            "34",
            '5' + UCCEAN128Barcode.getMod10CheckDigit("12345", true)
        };
        for (int i = 0; i < modules.length; i++) {
            Module module = modules[i];
            assertEquals(expected[i], module.getSymbol());
        }
        assertEquals("36", b.calculateChecksum().getSymbol());
    }
}