Adds tests for the change to make extension members accessible even
for prefixed imports. Also tests that it is an error to import a
library with extensions as deferred without hiding the extensions.
Change-Id: I3a81c560694d34c8adbb4cc86ca9e6b8a129ae56
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/124589
Commit-Queue: Leaf Petersen <leafp@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
This adds tests verifying expected error and non-error cases for
resolution of symbols referenced from inside of the definition of an
extension method or a class, which have overlapping definitions in
various different scoping levels.
Change-Id: I753cc80c0dfdefb3e44429e8bb085c8af3ceb685
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/111882
Reviewed-by: Erik Ernst <eernst@google.com>
Leaf Petersen