Package junit.tests.framework

Source Code of junit.tests.framework.TestCaseTest$TornDown

package junit.tests.framework;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestFailure;
import junit.framework.TestResult;
import junit.framework.TestSuite;
import junit.tests.WasRun;

/**
* A test case testing the testing framework.
*/
public class TestCaseTest extends TestCase {

    static class TornDown extends TestCase {
        boolean fTornDown = false;

        @Override
        protected void tearDown() {
            fTornDown = true;
        }

        @Override
        protected void runTest() {
            throw new Error("running");
        }
    }

    public void testCaseToString() {
        // This test wins the award for twisted snake tail eating while
        // writing self tests. And you thought those weird anonymous
        // inner classes were bad...
        assertEquals("testCaseToString(junit.tests.framework.TestCaseTest)", toString());
    }

    public void testError() {
        TestCase error = new TestCase("error") {
            @Override
            protected void runTest() {
                throw new Error();
            }
        };
        verifyError(error);
    }

    public void testRunAndTearDownFails() {
        TornDown fails = new TornDown() {
            @Override
            protected void tearDown() {
                super.tearDown();
                throw new Error();
            }

            @Override
            protected void runTest() {
                throw new Error();
            }
        };
        verifyError(fails);
        assertTrue(fails.fTornDown);
    }

    public void testSetupFails() {
        TestCase fails = new TestCase("success") {
            @Override
            protected void setUp() {
                throw new Error();
            }

            @Override
            protected void runTest() {
            }
        };
        verifyError(fails);
    }

    public void testSuccess() {
        TestCase success = new TestCase("success") {
            @Override
            protected void runTest() {
            }
        };
        verifySuccess(success);
    }

    public void testFailure() {
        TestCase failure = new TestCase("failure") {
            @Override
            protected void runTest() {
                fail();
            }
        };
        verifyFailure(failure);
    }

    public void testTearDownAfterError() {
        TornDown fails = new TornDown();
        verifyError(fails);
        assertTrue(fails.fTornDown);
    }

    public void testTearDownFails() {
        TestCase fails = new TestCase("success") {
            @Override
            protected void tearDown() {
                throw new Error();
            }

            @Override
            protected void runTest() {
            }
        };
        verifyError(fails);
    }

    public void testTearDownSetupFails() {
        TornDown fails = new TornDown() {
            @Override
            protected void setUp() {
                throw new Error();
            }
        };
        verifyError(fails);
        assertTrue(!fails.fTornDown);
    }

    public void testWasRun() {
        WasRun test = new WasRun();
        test.run();
        assertTrue(test.fWasRun);
    }

    public void testExceptionRunningAndTearDown() {
        // With 1.4, we should
        // wrap the exception thrown while running with the exception thrown
        // while tearing down
        Test t = new TornDown() {
            @Override
            public void tearDown() {
                throw new Error("tearingDown");
            }
        };
        TestResult result = new TestResult();
        t.run(result);
        TestFailure failure = result.errors().nextElement();
        assertEquals("running", failure.thrownException().getMessage());
    }

    public void testErrorTearingDownDoesntMaskErrorRunning() {
        final Exception running = new Exception("Running");
        TestCase t = new TestCase() {
            @Override
            protected void runTest() throws Throwable {
                throw running;
            }

            @Override
            protected void tearDown() throws Exception {
                throw new Error("Tearing down");
            }
        };
        try {
            t.runBare();
        } catch (Throwable thrown) {
            assertSame(running, thrown);
        }
    }

    public void testNoArgTestCasePasses() {
        Test t = new TestSuite(NoArgTestCaseTest.class);
        TestResult result = new TestResult();
        t.run(result);
        assertTrue(result.runCount() == 1);
        assertTrue(result.failureCount() == 0);
        assertTrue(result.errorCount() == 0);
    }

    public void testNamelessTestCase() {
        TestCase t = new TestCase() {
        };
        TestResult result = t.run();
        assertEquals(1, result.failureCount());
    }

    void verifyError(TestCase test) {
        TestResult result = test.run();
        assertTrue(result.runCount() == 1);
        assertTrue(result.failureCount() == 0);
        assertTrue(result.errorCount() == 1);
    }

    void verifyFailure(TestCase test) {
        TestResult result = test.run();
        assertTrue(result.runCount() == 1);
        assertTrue(result.failureCount() == 1);
        assertTrue(result.errorCount() == 0);
    }

    void verifySuccess(TestCase test) {
        TestResult result = test.run();
        assertTrue(result.runCount() == 1);
        assertTrue(result.failureCount() == 0);
        assertTrue(result.errorCount() == 0);
    }
}
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