Fix for issue 20125 - improved error messages

pkg/analyzer/test/generated/static_warning_code_test.dart

Index: pkg/analyzer/test/generated/static_warning_code_test.dart
diff --git a/pkg/analyzer/test/generated/static_warning_code_test.dart b/pkg/analyzer/test/generated/static_warning_code_test.dart
index 4164beb8b1c0ed26d4a795b279dd83c0cb27ba0a..127654a623197b42e4f4a7939476437d93c0ba70 100644
--- a/pkg/analyzer/test/generated/static_warning_code_test.dart
+++ b/pkg/analyzer/test/generated/static_warning_code_test.dart
@@ -1116,7 +1116,7 @@ var m = {const A<int>(): 0, const A<num>(): 1};''');
     verify([source]);
   }
 
-  void test_exportDuplicatedLibraryName() {
+  void test_exportDuplicatedLibraryNamed() {
     Source source = addSource(r'''
 library test;
 export 'lib1.dart';
@@ -1124,7 +1124,19 @@ export 'lib2.dart';''');
     addNamedSource("/lib1.dart", "library lib;");
     addNamedSource("/lib2.dart", "library lib;");
     resolve(source);
-    assertErrors(source, [StaticWarningCode.EXPORT_DUPLICATED_LIBRARY_NAME]);
+    assertErrors(source, [StaticWarningCode.EXPORT_DUPLICATED_LIBRARY_NAMED]);
+    verify([source]);
+  }
+
+  void test_exportDuplicatedLibraryUnnamed() {
+    Source source = addSource(r'''
+library test;
+export 'lib1.dart';
+export 'lib2.dart';''');
+    addNamedSource("/lib1.dart", "");
+    addNamedSource("/lib2.dart", "");
+    resolve(source);
+    assertErrors(source, [StaticWarningCode.EXPORT_DUPLICATED_LIBRARY_UNNAMED]);
     verify([source]);
   }
 
@@ -1292,7 +1304,7 @@ class B implements A {
     verify([source]);
   }
 
-  void test_importDuplicatedLibraryName() {
+  void test_importDuplicatedLibraryNamed() {
     Source source = addSource(r'''
 library test;
 import 'lib1.dart';
@@ -1301,7 +1313,22 @@ import 'lib2.dart';''');
     addNamedSource("/lib2.dart", "library lib;");
     resolve(source);
     assertErrors(source, [
-        StaticWarningCode.IMPORT_DUPLICATED_LIBRARY_NAME,
+        StaticWarningCode.IMPORT_DUPLICATED_LIBRARY_NAMED,
+        HintCode.UNUSED_IMPORT,
+        HintCode.UNUSED_IMPORT]);
+    verify([source]);
+  }
+
+  void test_importDuplicatedLibraryUnnamed() {
+    Source source = addSource(r'''
+library test;
+import 'lib1.dart';
+import 'lib2.dart';''');
+    addNamedSource("/lib1.dart", "");
+    addNamedSource("/lib2.dart", "");
+    resolve(source);
+    assertErrors(source, [
+        StaticWarningCode.IMPORT_DUPLICATED_LIBRARY_UNNAMED,
         HintCode.UNUSED_IMPORT,
         HintCode.UNUSED_IMPORT]);
     verify([source]);