本文整理了Java中org.junit.Assert.assertTrue()方法的一些代码示例，展示了Assert.assertTrue()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Assert.assertTrue()方法的具体详情如下：
包路径：org.junit.Assert
类名称：Assert
方法名：assertTrue

Assert.assertTrue介绍

[英]Asserts that a condition is true. If it isn't it throws an AssertionError with the given message.
[中]断言某个条件为真。如果不是，则抛出带有给定消息的AssertionError。

代码示例

代码示例来源：origin: spring-projects/spring-framework

@Test
public void testListWithInconsistentElementType() {
  ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("spr7283.xml", getClass());
  List<?> list = ctx.getBean("list", List.class);
  assertEquals(2, list.size());
  assertTrue(list.get(0) instanceof A);
  assertTrue(list.get(1) instanceof B);
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void onCompleteFailure() {
  AtomicReference<Throwable> onError = new AtomicReference<Throwable>();
  try {
    OBSERVER_ONCOMPLETED_FAIL(onError).onComplete();
    fail("expects exception to be thrown");
  } catch (Exception e) {
    assertNull(onError.get());
    assertTrue(e instanceof SafeObserverTestException);
    assertEquals("onCompleteFail", e.getMessage());
  }
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void hidden() {
  assertTrue(Maybe.just(1) instanceof ScalarCallable);
  assertFalse(Maybe.just(1).hide() instanceof ScalarCallable);
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void loadFactoriesInCorrectOrder() {
  List<DummyFactory> factories = SpringFactoriesLoader.loadFactories(DummyFactory.class, null);
  assertEquals(2, factories.size());
  assertTrue(factories.get(0) instanceof MyDummyFactory1);
  assertTrue(factories.get(1) instanceof MyDummyFactory2);
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void untilMaybeMainComplete() {
  MaybeSubject<Integer> main = MaybeSubject.create();
  MaybeSubject<Integer> other = MaybeSubject.create();
  TestObserver<Integer> to = main.takeUntil(other).test();
  assertTrue("Main no observers?", main.hasObservers());
  assertTrue("Other no observers?", other.hasObservers());
  main.onComplete();
  assertFalse("Main has observers?", main.hasObservers());
  assertFalse("Other has observers?", other.hasObservers());
  to.assertResult();
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void onErrorFailure() {
  try {
    subscriberOnErrorFail().onError(new SafeSubscriberTestException("error!"));
    fail("expects exception to be thrown");
  } catch (Exception e) {
    assertTrue(e instanceof SafeSubscriberTestException);
    assertEquals("onErrorFail", e.getMessage());
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void testPrototypeListFactory() throws Exception {
  List list = (List) this.beanFactory.getBean("pListFactory");
  assertTrue(list instanceof LinkedList);
  assertTrue(list.size() == 2);
  assertEquals("bar", list.get(0));
  assertEquals("jenny", list.get(1));
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void untilPublisherMainSuccess() {
  MaybeSubject<Integer> main = MaybeSubject.create();
  PublishProcessor<Integer> other = PublishProcessor.create();
  TestObserver<Integer> to = main.takeUntil(other).test();
  assertTrue("Main no observers?", main.hasObservers());
  assertTrue("Other no observers?", other.hasSubscribers());
  main.onSuccess(1);
  assertFalse("Main has observers?", main.hasObservers());
  assertFalse("Other has observers?", other.hasSubscribers());
  to.assertResult(1);
}

代码示例来源：origin: ReactiveX/RxJava

@Test
  public void dispose() {
    TestMaybe<Integer> tc = new TestMaybe<Integer>();
    tc.dispose();

    assertTrue(tc.isDisposed());

    Disposable d = Disposables.empty();

    tc.onSubscribe(d);

    assertTrue(d.isDisposed());

    assertEquals(0, tc.start);
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void testListFactory() throws Exception {
  List list = (List) this.beanFactory.getBean("listFactory");
  assertTrue(list instanceof LinkedList);
  assertTrue(list.size() == 2);
  assertEquals("bar", list.get(0));
  assertEquals("jenny", list.get(1));
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void untilPublisherMainError() {
  MaybeSubject<Integer> main = MaybeSubject.create();
  PublishProcessor<Integer> other = PublishProcessor.create();
  TestObserver<Integer> to = main.takeUntil(other).test();
  assertTrue("Main no observers?", main.hasObservers());
  assertTrue("Other no observers?", other.hasSubscribers());
  main.onError(new TestException());
  assertFalse("Main has observers?", main.hasObservers());
  assertFalse("Other has observers?", other.hasSubscribers());
  to.assertFailure(TestException.class);
}

代码示例来源：origin: ReactiveX/RxJava

@Test
  public void dispose() {
    TestCompletable tc = new TestCompletable();
    tc.dispose();

    assertTrue(tc.isDisposed());

    Disposable d = Disposables.empty();

    tc.onSubscribe(d);

    assertTrue(d.isDisposed());

    assertEquals(0, tc.start);
  }
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void normal() {
  TestResourceObserver<Integer> tc = new TestResourceObserver<Integer>();
  assertFalse(tc.isDisposed());
  assertEquals(0, tc.start);
  assertTrue(tc.values.isEmpty());
  assertTrue(tc.errors.isEmpty());
  Observable.just(1).subscribe(tc);
  assertTrue(tc.isDisposed());
  assertEquals(1, tc.start);
  assertEquals(1, tc.values.get(0).intValue());
  assertTrue(tc.errors.isEmpty());
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void mainCompletes() {
  PublishProcessor<Integer> pp1 = PublishProcessor.create();
  PublishProcessor<Integer> pp2 = PublishProcessor.create();
  TestObserver<Integer> to = pp1.singleElement().takeUntil(pp2.singleElement()).test();
  assertTrue(pp1.hasSubscribers());
  assertTrue(pp2.hasSubscribers());
  pp1.onComplete();
  assertFalse(pp1.hasSubscribers());
  assertFalse(pp2.hasSubscribers());
  to.assertResult();
}

代码示例来源：origin: ReactiveX/RxJava

@Test
  @Ignore("Observers can't throw")
  public void onErrorNotImplementedFailureSafe() {
    try {
      new SafeObserver<String>(OBSERVER_ONERROR_NOTIMPLEMENTED()).onError(new SafeObserverTestException("error!"));
      fail("expects exception to be thrown");
    } catch (Exception e) {
//            assertTrue(e instanceof OnErrorNotImplementedException);
      assertTrue(e.getCause() instanceof SafeObserverTestException);
      assertEquals("error!", e.getCause().getMessage());
    }
  }

代码示例来源：origin: spring-projects/spring-framework

@Test
public void testGetAllInterfaces() {
  DerivedTestObject testBean = new DerivedTestObject();
  List<Class<?>> ifcs = Arrays.asList(ClassUtils.getAllInterfaces(testBean));
  assertEquals("Correct number of interfaces", 4, ifcs.size());
  assertTrue("Contains Serializable", ifcs.contains(Serializable.class));
  assertTrue("Contains ITestBean", ifcs.contains(ITestObject.class));
  assertTrue("Contains IOther", ifcs.contains(ITestInterface.class));
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void shouldUnsubscribeFromUnderlyingSubscriptionOnDispose() {
  final PublishProcessor<String> processor = PublishProcessor.create();
  final TestScheduler scheduler = new TestScheduler();
  final TestSubscriber<String> subscriber = processor
      .timeout(100, TimeUnit.MILLISECONDS, scheduler)
      .test();
  assertTrue(processor.hasSubscribers());
  subscriber.dispose();
  assertFalse(processor.hasSubscribers());
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void error() {
  TestResourceObserver<Integer> tc = new TestResourceObserver<Integer>();
  assertFalse(tc.isDisposed());
  assertEquals(0, tc.start);
  assertTrue(tc.values.isEmpty());
  assertTrue(tc.errors.isEmpty());
  final RuntimeException error = new RuntimeException("error");
  Observable.<Integer>error(error).subscribe(tc);
  assertTrue(tc.isDisposed());
  assertEquals(1, tc.start);
  assertTrue(tc.values.isEmpty());
  assertEquals(1, tc.errors.size());
  assertTrue(tc.errors.contains(error));
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void dispose() {
  PublishProcessor<Integer> pp = PublishProcessor.create();
  TestObserver<Integer> to = pp.singleElement().delay(100, TimeUnit.MILLISECONDS).test();
  assertTrue(pp.hasSubscribers());
  to.cancel();
  assertFalse(pp.hasSubscribers());
}

代码示例来源：origin: ReactiveX/RxJava

@Test
public void normal() {
  TestDisposableObserver<Integer> tc = new TestDisposableObserver<Integer>();
  assertFalse(tc.isDisposed());
  assertEquals(0, tc.start);
  assertTrue(tc.values.isEmpty());
  assertTrue(tc.errors.isEmpty());
  Observable.just(1).subscribe(tc);
  assertFalse(tc.isDisposed());
  assertEquals(1, tc.start);
  assertEquals(1, tc.values.get(0).intValue());
  assertTrue(tc.errors.isEmpty());
}