📄 testcsvparser.java
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import junit.framework.TestCase;public class TestCsvParser extends TestCase { // extends TestCase public void testParseSimpleLine() { // method name starts with 'test' CsvParser parser = new CsvParser(); parser.parse("Bill,Gates,555-1234"); // verify actual results equal those that are expected assertEquals("Bill", parser.get(0)); assertEquals("Gates", parser.get(1)); assertEquals("555-1234", parser.get(2)); } public void testParseMultipleLines() { CsvParser parser = new CsvParser(); parser.parse("Fred,Flintstone,555-1111"); assertEquals("Flintstone", parser.get(1)); parser.parse("Barney,Rubble,555-2222"); assertEquals("Rubble", parser.get(1)); } public void testEmptyValues() { CsvParser parser = new CsvParser(); parser.parse("Madonna,,555-9999"); assertEquals("Madonna", parser.get(0)); assertEquals("", parser.get(1)); assertEquals("555-9999", parser.get(2)); }}
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