task2/solution08/test/org/apidesign/apifest08/test/Task1Test.java
changeset 29 f6073056b9fe
parent 6 97662396c0fd
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/task2/solution08/test/org/apidesign/apifest08/test/Task1Test.java	Wed Oct 01 10:43:05 2008 +0200
     1.3 @@ -0,0 +1,86 @@
     1.4 +package org.apidesign.apifest08.test;
     1.5 +
     1.6 +import java.util.Currency;
     1.7 +import junit.framework.TestCase;
     1.8 +import org.apidesign.apifest08.currency.Convertor;
     1.9 +
    1.10 +/** Finish the Convertor API, and then write bodies of methods inside
    1.11 + * of this class to match the given tasks. To fullfil your task, use the
    1.12 + * API define in the <code>org.apidesign.apifest08.currency</code> package.
    1.13 + * Do not you reflection, or other hacks as your code
    1.14 + * shall run without any runtime permissions.
    1.15 + */
    1.16 +public class Task1Test extends TestCase {
    1.17 +    public Task1Test(String testName) {
    1.18 +        super(testName);
    1.19 +    }
    1.20 +
    1.21 +    @Override
    1.22 +    protected void setUp() throws Exception {
    1.23 +    }
    1.24 +
    1.25 +    @Override
    1.26 +    protected void tearDown() throws Exception {
    1.27 +    }
    1.28 +
    1.29 +    /** Create convertor that understands two currencies, CZK and
    1.30 +     *  USD. Make 1 USD == 17 CZK.
    1.31 +     *
    1.32 +     * Creation of the convertor shall not require subclassing of any class
    1.33 +     * or interface on the client side.
    1.34 +     *
    1.35 +     * @return prepared convertor ready for converting USD to CZK and CZK to USD
    1.36 +     */
    1.37 +    public static Convertor createCZKtoUSD() {
    1.38 +        return Convertor.getInstanceFor(Currency.getInstance("CZK"), Currency.getInstance("USD"));
    1.39 +    }
    1.40 +
    1.41 +    /** Create convertor that understands two currencies, CZK and
    1.42 +     *  SKK. Make 100 SKK == 80 CZK.
    1.43 +     *
    1.44 +     * Creation of the convertor shall not require subclassing of any class
    1.45 +     * or interface on the client side.
    1.46 +     * 
    1.47 +     * @return prepared convertor ready for converting SKK to CZK and CZK to SKK
    1.48 +     */
    1.49 +    public static Convertor createSKKtoCZK() {
    1.50 +        return Convertor.getInstanceFor(Currency.getInstance("SKK"), Currency.getInstance("CZK"));
    1.51 +    }
    1.52 +    
    1.53 +    /** Use the convertor from <code>createCZKtoUSD</code> method and do few conversions
    1.54 +     * with it.
    1.55 +     */
    1.56 +    public void testCurrencyCZKUSD() throws Exception {
    1.57 +        Convertor c = createCZKtoUSD();
    1.58 +        Currency usd = Currency.getInstance("USD");
    1.59 +        Currency czk = Currency.getInstance("CZK");
    1.60 +        // convert $5 to CZK using c:
    1.61 +        // assertEquals("Result is 85 CZK");
    1.62 +        assertEquals(85F, c.convert(5, usd));
    1.63 +
    1.64 +        // convert $8 to CZK
    1.65 +        // assertEquals("Result is 136 CZK");
    1.66 +        assertEquals(136F, c.convert(8, usd));
    1.67 +
    1.68 +        // convert 1003CZK to USD
    1.69 +        // assertEquals("Result is 59 USD");
    1.70 +        assertEquals(59F, c.convert(1003, czk));
    1.71 +    }
    1.72 +
    1.73 +    /** Use the convertor from <code>createSKKtoCZK</code> method and do few conversions
    1.74 +     * with it.
    1.75 +     */
    1.76 +    public void testCurrencySKKCZK() throws Exception {
    1.77 +        Convertor c = createSKKtoCZK();
    1.78 +        Currency skk = Currency.getInstance("SKK");
    1.79 +        Currency czk = Currency.getInstance("CZK");
    1.80 +        // convert 16CZK using c:
    1.81 +        // assertEquals("Result is 20 SKK");
    1.82 +        assertEquals(20F, c.convert(16, skk));
    1.83 +
    1.84 +        // convert 500SKK to CZK
    1.85 +        // assertEquals("Result is 400 CZK");
    1.86 +        assertEquals(400F, c.convert(500, czk));
    1.87 +    }
    1.88 +}
    1.89 +