Tests for analysis.navigation.

pkg/analysis_server/test/integration/analysis/get_navigation_test.dart

+// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:analysis_server/plugin/protocol/protocol.dart';
+import 'package:test/test.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../integration_tests.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(GetNavigationTest);
+  });
+}
+
+@reflectiveTest
+class GetNavigationTest extends AbstractAnalysisServerIntegrationTest {
+  test_navigation() async {
+    String pathname = sourcePath('test.dart');
+    String text = r'''
+class Foo {}
+
+class Bar {
+  Foo foo;
+}
+''';
+    writeFile(pathname, text);
+    standardAnalysisSetup();
+
+    await analysisFinished;
+
+    AnalysisGetNavigationResult result =
+        await sendAnalysisGetNavigation(pathname, text.indexOf('Foo foo'), 0);
+    expect(result.targets, hasLength(1));
+    NavigationTarget target = result.targets.first;
+    expect(target.kind, ElementKind.CLASS);
+    expect(target.offset, text.indexOf('Foo {}'));
+    expect(target.length, 3);
+    expect(target.startLine, 1);
+    expect(target.startColumn, 7);
+  }
+
+  // This fails - it returns navigation results for a whitespace area (#28799).
+  @failingTest
+  test_navigation_no_result() async {
+    String pathname = sourcePath('test.dart');
+    String text = r'''
+//
+
+class Foo {}
+
+class Bar {
+  Foo foo;
+}
+''';
+    writeFile(pathname, text);
+    standardAnalysisSetup();
+
+    await analysisFinished;
+
+    AnalysisGetNavigationResult result =
+        await sendAnalysisGetNavigation(pathname, 0, 0);
+    expect(result.targets, isEmpty);
+  }
+
+  @override
+  bool get enableNewAnalysisDriver => true;
+}