junit.framework.TestListener#junit.textui.ResultPrinter源码实例Demo

public void testFailure() {
	String expected= expected(new String[]{".F", "Time: 0", "Failures here", "", "FAILURES!!!", "Tests run: 1,  Failures: 1,  Errors: 0", ""});
	ResultPrinter printer= new TestResultPrinter(new PrintStream(output)) {
		public void printFailures(TestResult result) {
			getWriter().println("Failures here");
		}
	};
	runner.setPrinter(printer);
	TestSuite suite = new TestSuite();
	suite.addTest(new TestCase() { public void runTest() {throw new AssertionFailedError();}});
	runner.doRun(suite);
	assertEquals(expected, output.toString());
}
 

public void testError() {
	String expected= expected(new String[]{".E", "Time: 0", "Errors here", "", "FAILURES!!!", "Tests run: 1,  Failures: 0,  Errors: 1", ""});
	ResultPrinter printer= new TestResultPrinter(new PrintStream(output)) {
		public void printErrors(TestResult result) {
			getWriter().println("Errors here");
		}
	};
	runner.setPrinter(printer);
	TestSuite suite = new TestSuite();
	suite.addTest(new TestCase() { public void runTest() throws Exception {throw new Exception();}});
	runner.doRun(suite);
	assertEquals(expected, output.toString());
}