Add tests for highlighting implicit instance creation.

And in general run analysis server tests with `previewDart2 = true`.

R=brianwilkerson@google.com, devoncarew@google.com

Change-Id: I063d667e96a46d60d3b10aa1a87b4c7a7d2252e5
Reviewed-on: https://dart-review.googlesource.com/42101
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>

pkg/analysis_server/test/analysis/notification_highlights_test.dart

@@ -496,7 +496,7 @@ void my_function(String a) {
     assertHasRegion(HighlightRegionType.COMMENT_BLOCK, '/* b', 19);
   }
 
-  test_CONSTRUCTOR() async {
+  test_CONSTRUCTOR_explicitNew() async {
     addTestFile('''
 class AAA<T> {
   AAA() {}
@@ -516,6 +516,26 @@ main() {
     assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'name(42)');
   }
 
+  test_CONSTRUCTOR_implicitNew() async {
+    addTestFile('''
+class AAA<T> {
+  AAA() {}
+  AAA.name(p) {}
+}
+main() {
+  AAA<int>();
+  AAA<int>.name(42);
+}
+''');
+    await prepareHighlights();
+    assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'AAA<int>(');
+    assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'AAA<int>.name(');
+    assertHasRegion(HighlightRegionType.CLASS, 'int>(');
+    assertHasRegion(HighlightRegionType.CLASS, 'int>.name(');
+    assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'name(p)');
+    assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'name(42)');
+  }
+
   test_DIRECTIVE() async {
     addTestFile('''
 library lib;

pkg/analysis_server/test/analysis/notification_highlights_test2.dart

@@ -497,7 +497,7 @@ void my_function(String a) {
     assertHasRegion(HighlightRegionType.COMMENT_BLOCK, '/* b', 19);
   }
 
-  test_CONSTRUCTOR() async {
+  test_CONSTRUCTOR_explicitNew() async {
     addTestFile('''
 class AAA<T> {
   AAA() {}
@@ -517,6 +517,26 @@ main() {
     assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'name(42)');
   }
 
+  test_CONSTRUCTOR_implicitNew() async {
+    addTestFile('''
+class AAA<T> {
+  AAA() {}
+  AAA.name(p) {}
+}
+main() {
+  AAA<int>();
+  AAA<int>.name(42);
+}
+''');
+    await prepareHighlights();
+    assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'AAA<int>(');
+    assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'AAA<int>.name(');
+    assertHasRegion(HighlightRegionType.CLASS, 'int>(');
+    assertHasRegion(HighlightRegionType.CLASS, 'int>.name(');
+    assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'name(p)');
+    assertHasRegion(HighlightRegionType.CONSTRUCTOR, 'name(42)');
+  }
+
   test_DIRECTIVE() async {
     addTestFile('''
 library lib;

pkg/analysis_server/test/analysis_abstract.dart

@@ -116,7 +116,8 @@ class AbstractAnalysisTest extends Object with ResourceProviderMixin {
     //
     // Create server
     //
-    AnalysisServerOptions options = new AnalysisServerOptions();
+    AnalysisServerOptions options = new AnalysisServerOptions()
+      ..previewDart2 = true;
     return new AnalysisServer(
         serverChannel,
         resourceProvider,

pkg/analysis_server/test/domain_analysis_test.dart

@@ -353,7 +353,7 @@ class AnalysisTestHelper extends Object with ResourceProviderMixin {
         serverChannel,
         resourceProvider,
         new MockPackageMapProvider(),
-        new AnalysisServerOptions(),
+        new AnalysisServerOptions()..previewDart2 = true,
         new DartSdkManager('/', false),
         InstrumentationService.NULL_SERVICE);
     handler = new AnalysisDomainHandler(server);