hasRenderObject method

WidgetMatcher<Opacity> hasRenderObject(
  1. RenderOpacity? value
)

Expects that renderObject of Opacity equals (==) value.

Example usage:

spot<Opacity>().existsOnce().hasRenderObject(RenderBox());

Implementation

WidgetMatcher<Opacity> hasRenderObject(RenderOpacity? value) {
  return hasDiagnosticProp<RenderOpacity>(
      'renderObject', (it) => value == null ? it.isNull() : it.equals(value));
}