Task: Resolve Type Names.

pkg/analyzer/test/src/task/dart_test.dart

 // Copyright (c) 2015, 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.
 
 library test.src.task.dart_test;
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 25 matching lines @@
   runReflectiveTests(BuildCompilationUnitElementTaskTest);
   runReflectiveTests(BuildDirectiveElementsTaskTest);
   runReflectiveTests(BuildEnumMemberElementsTaskTest);
   runReflectiveTests(BuildExportSourceClosureTaskTest);
   runReflectiveTests(BuildExportNamespaceTaskTest);
   runReflectiveTests(BuildFunctionTypeAliasesTaskTest);
   runReflectiveTests(BuildLibraryElementTaskTest);
   runReflectiveTests(BuildPublicNamespaceTaskTest);
   runReflectiveTests(BuildTypeProviderTaskTest);
   runReflectiveTests(ParseDartTaskTest);
+  runReflectiveTests(ResolveTypeNamesTaskTest);
   runReflectiveTests(ScanDartTaskTest);
 }
 
 @reflectiveTest
 class BuildCompilationUnitElementTaskTest extends _AbstractDartTaskTest {
   test_buildInputs() {
     LibraryUnitTarget target = new LibraryUnitTarget(emptySource, emptySource);
     Map<String, TaskInput> inputs =
         BuildCompilationUnitElementTask.buildInputs(target);
     expect(inputs, isNotNull);
@@ skipping 973 matching lines @@
 
   static void _assertHasCore(List<Source> sources, int lenght) {
     expect(sources, hasLength(lenght));
     expect(sources, contains(predicate((Source s) {
       return s.fullName.endsWith('core.dart');
     })));
   }
 }
 
 @reflectiveTest
+class ResolveTypeNamesTaskTest extends _AbstractDartTaskTest {
+  test_perform() {
+    Source source = _newSource('/test.dart', '''
+class A {}
+class B extends A {}
+int f(String p) => p.length;
+''');
+    LibraryUnitTarget target = new LibraryUnitTarget(source, source);
+    _computeResult(target, RESOLVED_UNIT6);
+    expect(task, new isInstanceOf<ResolveTypeNamesTask>());
+    // validate
+    CompilationUnit unit = outputs[RESOLVED_UNIT6];
+    {
+      ClassDeclaration nodeA = unit.declarations[0];
+      ClassDeclaration nodeB = unit.declarations[1];
+      DartType extendsType = nodeB.extendsClause.superclass.type;
+      expect(extendsType, nodeA.element.type);
+    }
+    {
+      FunctionDeclaration functionNode = unit.declarations[2];
+      DartType returnType = functionNode.returnType.type;
+      List<FormalParameter> parameters =
+          functionNode.functionExpression.parameters.parameters;
+      expect(returnType.displayName, 'int');
+      expect(parameters[0].element.type.displayName, 'String');
+    }
+  }
+
+  test_perform_errors() {
+    Source source = _newSource('/test.dart', '''
+NoSuchClass f() => null;
+''');
+    LibraryUnitTarget target = new LibraryUnitTarget(source, source);
+    _computeResult(target, RESOLVE_TYPE_NAMES_ERRORS);
+    expect(task, new isInstanceOf<ResolveTypeNamesTask>());
+    // validate
+    _fillErrorListener(RESOLVE_TYPE_NAMES_ERRORS);
+    errorListener
+        .assertErrorsWithCodes(<ErrorCode>[StaticWarningCode.UNDEFINED_CLASS]);
+  }
+}
+
+@reflectiveTest
 class ScanDartTaskTest extends _AbstractDartTaskTest {
   test_buildInputs() {
     Map<String, TaskInput> inputs = ScanDartTask.buildInputs(emptySource);
     expect(inputs, isNotNull);
     expect(inputs.keys, unorderedEquals([ScanDartTask.CONTENT_INPUT_NAME]));
   }
 
   test_constructor() {
     ScanDartTask task = new ScanDartTask(context, emptySource);
     expect(task, isNotNull);
@@ skipping 73 matching lines @@
     taskManager.addTaskDescriptor(ParseDartTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildCompilationUnitElementTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildLibraryElementTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildPublicNamespaceTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildDirectiveElementsTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildExportSourceClosureTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildExportNamespaceTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildTypeProviderTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildEnumMemberElementsTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildFunctionTypeAliasesTask.DESCRIPTOR);
+    taskManager.addTaskDescriptor(ResolveTypeNamesTask.DESCRIPTOR);
     // prepare AnalysisDriver
     analysisDriver = new AnalysisDriver(taskManager, context);
   }
 
   void _computeResult(AnalysisTarget target, ResultDescriptor result) {
     task = analysisDriver.computeResult(target, result);
     expect(task.caughtException, isNull);
     outputs = task.outputs;
   }
 
@@ skipping 39 matching lines @@
     return entryMap.putIfAbsent(target, () => new CacheEntry());
   }
 
   TimestampedData<String> getContents(Source source) => source.contents;
 
   noSuchMethod(Invocation invocation) {
     print('noSuchMethod: ${invocation.memberName}');
     return super.noSuchMethod(invocation);
   }
 }