throwsAssertionError top-level property

Matcher throwsAssertionError

A matcher for functions that throw AssertionError.

This is equivalent to throwsA(isA<AssertionError>()).

If you are trying to test whether a call to WidgetTester.pumpWidget results in an AssertionError, see TestWidgetsFlutterBinding.takeException.

See also:

• throwsFlutterError, to test if a function throws a FlutterError.
• throwsArgumentError, to test if a functions throws an ArgumentError.
• isAssertionError, to test if any object is any kind of AssertionError.

Implementation

final Matcher throwsAssertionError = throwsA(isAssertionError);