incremental improvement to top level code completion results

pkg/analysis_services/test/completion/top_level_computer_test.dart

Index: pkg/analysis_services/test/completion/top_level_computer_test.dart
diff --git a/pkg/analysis_services/test/completion/top_level_computer_test.dart b/pkg/analysis_services/test/completion/top_level_computer_test.dart
index b12e07e397ac3b38e6f9fce18fc295a77a91ebdd..4136c94442e4b4801449c6036dc493cfb113cd78 100644
--- a/pkg/analysis_services/test/completion/top_level_computer_test.dart
+++ b/pkg/analysis_services/test/completion/top_level_computer_test.dart
@@ -19,17 +19,24 @@ main() {
 @ReflectiveTestCase()
 class TopLevelComputerTest extends AbstractCompletionTest {
 
-  test_class() {
-    addTestUnit('class B {boolean v;}');
+  void addTestUnit(String content) {
+    super.addTestUnit(content);
+    computer = new TopLevelComputer(searchEngine, testUnit);
+  }
+
+  test_class_1() {
+    addUnit('/testA.dart', 'var T1; class A {bool x;}');
+    addUnit('/testB.dart', 'class B {bool y;}');
+    addTestUnit('import "/testA.dart"; class C {bool v;^}');
     return compute().then((_) {
-      assertHasResult(CompletionSuggestionKind.CLASS, 'B');
+      assertHasResult(CompletionSuggestionKind.CLASS, 'A');
+      assertHasResult(CompletionSuggestionKind.CLASS, 'B', CompletionRelevance.LOW);
+      assertHasResult(CompletionSuggestionKind.CLASS, 'C');
+      assertHasResult(CompletionSuggestionKind.CLASS, 'Object');
+      assertHasResult(CompletionSuggestionKind.TOP_LEVEL_VARIABLE, 'T1');
+      assertNoResult('x');
+      assertNoResult('y');
       assertNoResult('v');
     });
   }
-
-  @override
-  void setUp() {
-    super.setUp();
-    computer = new TopLevelComputer(searchEngine);
-  }
 }