BuildLibraryConstructorsTask to build all constructors of all library classes.

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 20 matching lines @@
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(BuildClassConstructorsTaskTest);
   runReflectiveTests(BuildCompilationUnitElementTaskTest);
   runReflectiveTests(BuildDirectiveElementsTaskTest);
   runReflectiveTests(BuildEnumMemberElementsTaskTest);
   runReflectiveTests(BuildExportSourceClosureTaskTest);
   runReflectiveTests(BuildExportNamespaceTaskTest);
   runReflectiveTests(BuildFunctionTypeAliasesTaskTest);
+  runReflectiveTests(BuildLibraryConstructorsTaskTest);
   runReflectiveTests(BuildLibraryElementTaskTest);
   runReflectiveTests(BuildPublicNamespaceTaskTest);
   runReflectiveTests(BuildTypeProviderTaskTest);
   runReflectiveTests(ParseDartTaskTest);
   runReflectiveTests(ResolveUnitTypeNamesTaskTest);
   runReflectiveTests(ResolveLibraryTypeNamesTaskTest);
   runReflectiveTests(ScanDartTaskTest);
 }
 
 @reflectiveTest
@@ skipping 640 matching lines @@
     _computeResult(target, BUILD_FUNCTION_TYPE_ALIASES_ERRORS);
     expect(task, new isInstanceOf<BuildFunctionTypeAliasesTask>());
     // validate
     _fillErrorListener(BUILD_FUNCTION_TYPE_ALIASES_ERRORS);
     errorListener
         .assertErrorsWithCodes(<ErrorCode>[StaticWarningCode.UNDEFINED_CLASS]);
   }
 }
 
 @reflectiveTest
+class BuildLibraryConstructorsTaskTest extends _AbstractDartTaskTest {
+  test_perform() {
+    Source source = _newSource('/test.dart', '''
+class B {
+  B(int i);
+}
+class M1 {}
+class M2 {}
+
+class C2 = C1 with M2;
+class C1 = B with M1;
+class C3 = B with M2;
+''');
+    _computeResult(source, LIBRARY_ELEMENT6);
+    expect(task, new isInstanceOf<BuildLibraryConstructorsTask>());
+    LibraryElement libraryElement = outputs[LIBRARY_ELEMENT6];
+    // C1
+    {
+      ClassElement classElement = libraryElement.getType('C2');
+      List<ConstructorElement> constructors = classElement.constructors;
+      expect(constructors, hasLength(1));
+      expect(constructors[0].parameters, hasLength(1));
+    }
+    // C3
+    {
+      ClassElement classElement = libraryElement.getType('C3');
+      List<ConstructorElement> constructors = classElement.constructors;
+      expect(constructors, hasLength(1));
+      expect(constructors[0].parameters, hasLength(1));
+    }
+  }
+}
+
+@reflectiveTest
 class BuildLibraryElementTaskTest extends _AbstractDartTaskTest {
   Source librarySource;
   CompilationUnit libraryUnit;
   CompilationUnitElement libraryUnitElement;
   List<CompilationUnit> partUnits;
 
   LibraryElement libraryElement;
 
   test_constructor() {
     BuildLibraryElementTask task =
@@ skipping 29 matching lines @@
 part 'part1.dart';
 part 'part2.dart';
 ''',
       '/part1.dart': '''
 part of lib;
 ''',
       '/part2.dart': '''
 part of lib;
 '''
     });
-    expect(outputs, hasLength(4));
+    expect(outputs, hasLength(5));
     // simple outputs
     expect(outputs[BUILD_LIBRARY_ERRORS], isEmpty);
     expect(outputs[IS_LAUNCHABLE], isFalse);
     expect(outputs[HAS_HTML_IMPORT], isFalse);
     // LibraryElement output
     expect(libraryElement, isNotNull);
     expect(libraryElement.entryPoint, isNull);
     expect(libraryElement.source, same(librarySource));
     expect(libraryElement.definingCompilationUnit, libraryUnitElement);
     expect(libraryElement.parts,
@@ skipping 21 matching lines @@
     expect(
         (libraryUnit.directives[1] as PartDirective).element, same(firstPart));
 
     expect(secondPart.uri, 'part2.dart');
     expect(secondPart.uriOffset, 37);
     expect(secondPart.uriEnd, 49);
     expect(
         (libraryUnit.directives[2] as PartDirective).element, same(secondPart));
   }
 
+  test_perform_classElements() {
+    _performBuildTask({
+      '/lib.dart': '''
+library lib;
+part 'part1.dart';
+part 'part2.dart';
+class A {}
+''',
+      '/part1.dart': '''
+part of lib;
+class B {}
+''',
+      '/part2.dart': '''
+part of lib;
+class C {}
+'''
+    });
+    List<ClassElement> classElements = outputs[CLASS_ELEMENTS];
+    List<String> classNames = classElements.map((c) => c.displayName).toList();
+    expect(classNames, unorderedEquals(['A', 'B', 'C']));
+  }
+
   test_perform_error_missingLibraryDirectiveWithPart_hasCommon() {
     _performBuildTask({
       '/lib.dart': '''
 part 'partA.dart';
 part 'partB.dart';
 ''',
       '/partA.dart': '''
 part of my_lib;
         ''',
       '/partB.dart': '''
@@ skipping 460 matching lines @@
     context.sourceFactory = new SourceFactory(<UriResolver>[
       new DartUriResolver(sdk),
       new ResourceUriResolver(resourceProvider)
     ]);
     // prepare TaskManager
     taskManager.addTaskDescriptor(GetContentTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(ScanDartTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(ParseDartTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildClassConstructorsTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(BuildCompilationUnitElementTask.DESCRIPTOR);
+    taskManager.addTaskDescriptor(BuildLibraryConstructorsTask.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(ResolveUnitTypeNamesTask.DESCRIPTOR);
     taskManager.addTaskDescriptor(ResolveLibraryTypeNamesTask.DESCRIPTOR);
@@ skipping 49 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);
   }
 }