Task: Resolve References.

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 27 matching lines @@
   runReflectiveTests(BuildExportSourceClosureTaskTest);
   runReflectiveTests(BuildExportNamespaceTaskTest);
   runReflectiveTests(BuildFunctionTypeAliasesTaskTest);
   runReflectiveTests(BuildLibraryConstructorsTaskTest);
   runReflectiveTests(BuildLibraryElementTaskTest);
   runReflectiveTests(BuildPublicNamespaceTaskTest);
   runReflectiveTests(BuildTypeProviderTaskTest);
   runReflectiveTests(ParseDartTaskTest);
   runReflectiveTests(ResolveUnitTypeNamesTaskTest);
   runReflectiveTests(ResolveLibraryTypeNamesTaskTest);
+  runReflectiveTests(ResolveReferencesTaskTest);
   runReflectiveTests(ResolveVariableReferencesTaskTest);
   runReflectiveTests(ScanDartTaskTest);
 }
 
 @reflectiveTest
 class BuildClassConstructorsTaskTest extends _AbstractDartTaskTest {
   test_perform_ClassDeclaration_errors_mixinHasNoConstructors() {
     Source source = _newSource('/test.dart', '''
 class B {
   B({x});
@@ skipping 1133 matching lines @@
       expect(classB.supertype.displayName, 'A');
     }
     {
       ClassElement classC = library.getType('C');
       expect(classC.supertype.displayName, 'A');
     }
   }
 }
 
 @reflectiveTest
+class ResolveReferencesTaskTest extends _AbstractDartTaskTest {
+  test_perform() {
+    Source source = _newSource('/test.dart', '''
+class A {
+  m() {}
+}
+main(A a) {
+  a.m();
+}
+''');
+    LibraryUnitTarget target = new LibraryUnitTarget(source, source);
+    // prepare unit and "a.m()" invocation
+    CompilationUnit unit;
+    MethodInvocation invocation;
+    {
+      _computeResult(target, RESOLVED_UNIT1);
+      unit = outputs[RESOLVED_UNIT1];
+      // walk the AST
+      FunctionDeclaration function = unit.declarations[1];
+      BlockFunctionBody body = function.functionExpression.body;
+      ExpressionStatement statement = body.block.statements[0];
+      invocation = statement.expression;
+      // not resolved yet
+      expect(invocation.methodName.staticElement, isNull);
+    }
+    // fully resolve
+    {
+      _computeResult(target, RESOLVED_UNIT);
+      expect(task, new isInstanceOf<ResolveReferencesTask>());
+      expect(outputs[RESOLVED_UNIT], same(outputs[RESOLVED_UNIT]));
+      // a.m() is resolved now
+      expect(invocation.methodName.staticElement, isNotNull);
+    }
+  }
+
+  test_perform_errors() {
+    Source source = _newSource('/test.dart', '''
+class A {
+}
+main(A a) {
+  a.unknownMethod();
+}
+''');
+    LibraryUnitTarget target = new LibraryUnitTarget(source, source);
+    _computeResult(target, RESOLVED_UNIT);
+    expect(task, new isInstanceOf<ResolveReferencesTask>());
+    // validate
+    _fillErrorListener(RESOLVE_REFERENCES_ERRORS);
+    errorListener.assertErrorsWithCodes(
+        <ErrorCode>[StaticTypeWarningCode.UNDEFINED_METHOD]);
+  }
+}
+
+@reflectiveTest
 class ResolveUnitTypeNamesTaskTest 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_UNIT4);
     expect(task, new isInstanceOf<ResolveUnitTypeNamesTask>());
@@ skipping 205 matching lines @@
     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(ResolveUnitTypeNamesTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(ResolveLibraryTypeNamesTask.DESCRIPTOR);
+    taskManager.addTaskDescriptor(ResolveReferencesTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(ResolveVariableReferencesTask.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 40 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);
   }
 }