Add test of ambiguous exports to verify an edge case

bwilkerson · commit-bot@chromium.org · commit 22866b6a1968 · 2019-08-12T18:33:15.000Z
Change-Id: I9c9e6019e314474c26165dee6a93eb35054389ab Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/112748 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
diff --git a/pkg/analyzer/test/src/diagnostics/ambiguous_export_test.dart b/pkg/analyzer/test/src/diagnostics/ambiguous_export_test.dart
@@ -41,7 +41,7 @@ class AmbiguousExportWithExtensionMethodsTest extends DriverResolutionTest {
     ..contextFeatures = new FeatureSet.forTesting(
         sdkVersion: '2.3.0', additionalFeatures: [Feature.extension_methods]);
 
-  test_extension() async {
+  test_extensions_bothExported() async {
     newFile('/test/lib/lib1.dart', content: r'''
 extension E on String {}
 ''');
@@ -55,4 +55,15 @@ export 'lib2.dart';
       error(CompileTimeErrorCode.AMBIGUOUS_EXPORT, 20, 19),
     ]);
   }
+
+  test_extensions_localAndExported() async {
+    newFile('/test/lib/lib1.dart', content: r'''
+extension E on String {}
+''');
+    await assertNoErrorsInCode(r'''
+export 'lib1.dart';
+
+extension E on String {}
+''');
+  }
 }
