1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/task1/solution05/test/org/apidesign/apifest08/test/Task1Test.java Sun Sep 28 14:12:38 2008 +0200
1.3 @@ -0,0 +1,104 @@
1.4 +package org.apidesign.apifest08.test;
1.5 +
1.6 +import junit.framework.TestCase;
1.7 +import org.apidesign.apifest08.currency.Amount;
1.8 +import org.apidesign.apifest08.currency.Convertor;
1.9 +import org.apidesign.apifest08.currency.ConvertorFactory;
1.10 +
1.11 +/** Finish the Convertor API, and then write bodies of methods inside
1.12 + * of this class to match the given tasks. To fullfil your task, use the
1.13 + * API define in the <code>org.apidesign.apifest08.currency</code> package.
1.14 + * Do not you reflection, or other hacks as your code
1.15 + * shall run without any runtime permissions.
1.16 + */
1.17 +public class Task1Test extends TestCase {
1.18 + public Task1Test(String testName) {
1.19 + super(testName);
1.20 + }
1.21 +
1.22 + @Override
1.23 + protected void setUp() throws Exception {
1.24 + }
1.25 +
1.26 + @Override
1.27 + protected void tearDown() throws Exception {
1.28 + }
1.29 +
1.30 + /** Create convertor that understands two currencies, CZK and
1.31 + * USD. Make 1 USD == 17 CZK.
1.32 + *
1.33 + * Creation of the convertor shall not require subclassing of any class
1.34 + * or interface on the client side.
1.35 + *
1.36 + * @return prepared convertor ready for converting USD to CZK and CZK to USD
1.37 + */
1.38 + public static Convertor createCZKtoUSD() {
1.39 + return ConvertorFactory.createConvertor(17);
1.40 + }
1.41 +
1.42 + /** Create convertor that understands two currencies, CZK and
1.43 + * SKK. Make 100 SKK == 80 CZK.
1.44 + *
1.45 + * Creation of the convertor shall not require subclassing of any class
1.46 + * or interface on the client side.
1.47 + *
1.48 + * @return prepared convertor ready for converting SKK to CZK and CZK to SKK
1.49 + */
1.50 + public static Convertor createSKKtoCZK() {
1.51 + return ConvertorFactory.createConvertor(0.8);
1.52 + }
1.53 +
1.54 + /** Use the convertor from <code>createCZKtoUSD</code> method and do few conversions
1.55 + * with it.
1.56 + */
1.57 + public void testCurrencyCZKUSD() throws Exception {
1.58 + Convertor c = createCZKtoUSD();
1.59 + // convert $5 to CZK using c:
1.60 + assertEquals("Result is 85 CZK", 85l, c.convert(new Amount(5)).getAmount());
1.61 +
1.62 + // convert $8 to CZK
1.63 + assertEquals("Result is 136 CZK", 136l, c.convert(new Amount(8)).getAmount());
1.64 +
1.65 + // convert 1003CZK to USD
1.66 + assertEquals("Result is 136 CZK", 59l, c.convertBack(new Amount(1003)).getAmount());
1.67 + // assertEquals("Result is 59 USD");
1.68 + }
1.69 +
1.70 + /** Use the convertor from <code>createSKKtoCZK</code> method and do few conversions
1.71 + * with it.
1.72 + */
1.73 + public void testCurrencySKKCZK() throws Exception {
1.74 + Convertor c = createSKKtoCZK();
1.75 + // convert 16CZK using c:
1.76 + assertEquals("Result is 20 SKK", 20l, c.convertBack(new Amount(16)).getAmount());
1.77 +
1.78 + // convert 500SKK to CZK
1.79 + assertEquals("Result is 400 CZK", 400l, c.convert(new Amount(500)).getAmount());
1.80 + }
1.81 +
1.82 + /** Use the convertor from <code>createSKKtoCZK</code> method and do few conversions
1.83 + * with it.
1.84 + */
1.85 + public void testCurrencySKKCZKwithPences() throws Exception {
1.86 + Convertor c = createSKKtoCZK();
1.87 + // convert 16CZK 16h using c:
1.88 + assertEquals("Result is 20 SKK 20h", new Amount(20, 20), c.convertBack(new Amount(16, 16)));
1.89 +
1.90 + // convert 500SKK 80h to CZK
1.91 + assertEquals("Result is 400 CZK 64h", new Amount(400, 64), c.convert(new Amount(500, 80)));
1.92 +
1.93 + // convert 400CZK 80h to SKK
1.94 + assertEquals("Result is 501 CZK", new Amount(501), c.convertBack(new Amount(400, 80)));
1.95 + }
1.96 +
1.97 + public void testNegativeSKKCZ() throws Exception{
1.98 + Convertor c = createSKKtoCZK();
1.99 + // convert -16CZK using c:
1.100 + assertEquals("Result is -20", new Amount(-20), c.convertBack(new Amount(-16)));
1.101 +
1.102 + // convert -500SKK 80h to CZK
1.103 + assertEquals("Result is -400CZK 64h", new Amount(-400, 64), c.convert(new Amount(-500, 80)));
1.104 +
1.105 + }
1.106 +}
1.107 +