test_class.file: rxjava/src/test/java/io/reactivex/internal/operators/observable/ObservableFromCallableTest.java
test_class.identifier: ObservableFromCallableTest
test_case.body: @SuppressWarnings("unchecked")
      @Test
      public void shouldNotInvokeFuncUntilSubscription() throws Exception {
          Callable<Object> func = mock(Callable.class);
  
          when(func.call()).thenReturn(new Object());
  
          Observable<Object> fromCallableObservable = Observable.fromCallable(func);
  
          verifyZeroInteractions(func);
  
          fromCallableObservable.subscribe();
  
          verify(func).call();
      }
test_case.class_method_signature: ObservableFromCallableTest.shouldNotInvokeFuncUntilSubscription()
test_case.full_signature: @SuppressWarnings("unchecked") @Test public void shouldNotInvokeFuncUntilSubscription()
test_case.identifier: shouldNotInvokeFuncUntilSubscription
test_case.invocations: mock thenReturn when call fromCallable verifyZeroInteractions subscribe call verify
test_case.modifiers: @SuppressWarnings("unchecked") @Test public
test_case.parameters: ()
test_case.return: void
test_case.signature: void shouldNotInvokeFuncUntilSubscription()
focal_class.declarator: callable
focal_class.modifier: final
focal_class.original_string: final Callable<? extends T> callable;
focal_class.type: Callable<? extends T>
focal_class.var_name: callable
focal_class.file: rxjava/src/main/java/io/reactivex/internal/operators/observable/ObservableFromCallable.java
focal_class.identifier: ObservableFromCallable
focal_class.interfaces: implements Callable<T>
focal_class.class_method_signature: ObservableFromCallable.ObservableFromCallable(Callable<? extends T> callable)
focal_class.full_signature: public  ObservableFromCallable(Callable<? extends T> callable)
focal_class.identifier: ObservableFromCallable
focal_class.modifiers: public
focal_class.parameters: (Callable<? extends T> callable)
focal_class.signature:  ObservableFromCallable(Callable<? extends T> callable)
focal_class.class_method_signature: ObservableFromCallable.subscribeActual(Observer<? super T> s)
focal_class.full_signature: @Override public void subscribeActual(Observer<? super T> s)
focal_class.identifier: subscribeActual
focal_class.modifiers: @Override public
focal_class.parameters: (Observer<? super T> s)
focal_class.return: void
focal_class.signature: void subscribeActual(Observer<? super T> s)
focal_class.class_method_signature: ObservableFromCallable.call()
focal_class.full_signature: @Override public T call()
focal_class.identifier: call
focal_class.modifiers: @Override public
focal_class.parameters: ()
focal_class.return: T
focal_class.signature: T call()
focal_class.superclass: extends Observable<T>
focal_method.body: @Override
      public T call() throws Exception {
          return ObjectHelper.requireNonNull(callable.call(), "The callable returned a null value");
      }
focal_method.class_method_signature: ObservableFromCallable.call()
focal_method.full_signature: @Override public T call()
focal_method.identifier: call
focal_method.invocations: requireNonNull call
focal_method.modifiers: @Override public
focal_method.parameters: ()
focal_method.return: T
focal_method.signature: T call()