existsAtLeastOnce method

MultiWidgetMatcher<W> existsAtLeastOnce()

Asserts that at least one widget of type W exists.

This matcher is used when the expectation is to have one or more widgets of type W present in the widget tree.

Example usage:

spot<ElevatedButton>().existsAtLeastOnce();

See also:

• doesNotExist asserts that no widgets of type W exist.
• existsOnce asserts that exactly one widget of type W exists.
• existsExactlyNTimes asserts that exactly n widgets of type W exist.
• existsAtLeastNTimes asserts that at least n widgets of type W exist.
• existsAtMostOnce asserts that at most one widget exists.
• existsAtMostNTimes asserts that at most n widgets of type W exist.

Implementation

MultiWidgetMatcher<W> existsAtLeastOnce() {
  final atLeastOne =
      copyWith(quantityConstraint: const QuantityConstraint.atLeast(1));
  return snapshot(atLeastOne).multi;
}