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How to use ErrorStream method of org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests class

Best Jmock-library code snippet using org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests.ErrorStream

Source:MockeryFinalizationAcceptanceTests.java

...22    private static final int FINALIZE_COUNT = 10; // consistently shows a problem before GitHub #36 was fixed23    private final Mockery mockery = new Mockery() {{24        setThreadingPolicy(new Synchroniser());25    }};26    private final ErrorStream capturingErr = new ErrorStream();27    @BeforeAll28    public static void clearAnyOutstandingMessages() {29        ErrorStream localErr = new ErrorStream();30        localErr.install();31        String error = null;32        try {33            finalizeUntilMessageOrCount(localErr, FINALIZE_COUNT);34            error = localErr.output();35        } finally {36            localErr.uninstall();37        }38        if (error != null)39            System.err.println("WARNING - a previous test left output in finalization [" + error + "]");40    }41    @BeforeEach42    public void captureSysErr() {43        capturingErr.install();44    }45    @AfterEach46    public void replaceSysErr() {47        capturingErr.uninstall();48    }49    @ParameterizedTest50    @ArgumentsSource(ImposteriserParameterResolver.class)51    public void mockedInterfaceDoesntWarnOnFinalize(Imposteriser imposterImpl) {52        mockery.setImposteriser(imposterImpl);53        54        checkNoFinalizationMessage(mockery, CharSequence.class);55    }56    @ParameterizedTest57    @ArgumentsSource(CodeGeneratingImposteriserParameterResolver.class)58    public void mockedClassDoesntWarnOnFinalize(Imposteriser imposterImpl) {59        mockery.setImposteriser(imposterImpl);60        checkNoFinalizationMessage(mockery, Object.class);61    }62    public interface TypeThatMakesFinalizePublic {63        public void finalize();64    }65    @ParameterizedTest66    @ArgumentsSource(ImposteriserParameterResolver.class)67    public void mockedTypeThatMakesFinalizePublicDoesntWarnOnFinalize(Imposteriser imposterImpl) {68        mockery.setImposteriser(imposterImpl);69        checkNoFinalizationMessage(mockery, TypeThatMakesFinalizePublic.class);70    }71    private void checkNoFinalizationMessage(Mockery mockery, Class<?> typeToMock) {72        WeakReference<Object> mockHolder = new WeakReference<Object>(mockery.mock(typeToMock));73        while (mockHolder.get() != null) {74            System.gc();75            System.runFinalization();76        }77        finalizeUntilMessageOrCount(capturingErr, FINALIZE_COUNT);78        assertThat(capturingErr.output(), isEmptyOrNullString());79    }80    private static void finalizeUntilMessageOrCount(ErrorStream capturingErr, int count) {81        for (int i = 0; i < count && capturingErr.output().isEmpty(); i++) {82            System.gc();83            System.runFinalization();84        }85    }86    private static class ErrorStream extends PrintStream {87        private PrintStream oldSysErr;88        public ErrorStream() {89            super(new ByteArrayOutputStream());90        }91        public void install() {92            oldSysErr = System.err;93            System.setErr(this);94        }95        public void uninstall() {96            System.setErr(oldSysErr);97        }98        public String output() {99            return new String(((ByteArrayOutputStream) out).toByteArray());100        }101    }102}...

ErrorStream

Using AI Code Generation

1org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();2t.ErrorStream();3org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();4t.ErrorStream();5org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();6t.ErrorStream();7org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();8t.ErrorStream();9org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();10t.ErrorStream();11org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();12t.ErrorStream();13org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();14t.ErrorStream();15org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();16t.ErrorStream();17org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests t = new org.jmock.test.acceptance.MockeryFinalizationAcceptanceTests();

ErrorStream

Using AI Code Generation

1[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ jmock ---2org.jmock.Expectations is not abstract and does not override abstract method getExpectations()3org.jmock.Expectations is not abstract and does not override abstract method getExpectations()4org.jmock.Expectations is not abstract and does not override abstract method getExpectations()5org.jmock.Expectations is not abstract and does not override abstract method getExpectations()6org.jmock.Expectations is not abstract and does not override abstract method getExpectations()7org.jmock.Expectations is not abstract and does not override abstract method getExpectations()8org.jmock.Expectations is not abstract and does not override abstract method getExpectations()

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