isAssertionError top-level property Null safety
final
A matcher for AssertionError.
This is equivalent to isInstanceOf<AssertionError>().
See also:
- throwsAssertionError, to test if a function throws any
AssertionError. - isFlutterError, to test if any object is a FlutterError.
Implementation
final TypeMatcher<AssertionError> isAssertionError = isA<AssertionError>();