Rename MirrorSystem.getName calls in dart2dart.

tests/compiler/dart2js/mirror_helper_test.dart

+// Copyright (c) 2013, 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:expect/expect.dart";
+import 'memory_compiler.dart' show compilerFor;
+import '../../../sdk/lib/_internal/compiler/implementation/apiimpl.dart' show
+    Compiler;
+import
+    '../../../sdk/lib/_internal/compiler/implementation/elements/elements.dart'
+show
+    Element, LibraryElement, ClassElement;
+import
+    '../../../sdk/lib/_internal/compiler/implementation/tree/tree.dart'
+show
+    Node;
+import
+    '../../../sdk/lib/_internal/compiler/implementation/dart_backend/dart_backend.dart'
+show
+    DartBackend, ElementAst;
+import
+    '../../../sdk/lib/_internal/compiler/implementation/mirror_renamer/mirror_renamer.dart'
+show
+    MirrorRenamer;
+import
+    '../../../sdk/lib/_internal/compiler/implementation/scanner/scannerlib.dart'
+show
+    SourceString;
+
+
+main() {
+  testWithMirrorRenaming();
+  testWithoutMirrorRenaming();
+  testWithMirrorRenamingMinify();
+  testWithoutMirrorRenamingMinify();
+}
+
+Compiler runCompiler({useMirrorHelperLibrary: false, minify: false}) {
+  List<String> options = ['--output-type=dart'];
+  if (minify) {
+    options.add('--minify');
+  }
+  Compiler compiler = compilerFor(MEMORY_SOURCE_FILES, options: options);
+  DartBackend backend = compiler.backend;
+  backend.useMirrorHelperLibrary = useMirrorHelperLibrary;
+  compiler.runCompiler(Uri.parse('memory:main.dart'));
+  return compiler;
+}
+
+void testWithMirrorRenaming() {
+  Compiler compiler = runCompiler(useMirrorHelperLibrary: true, minify: false);
+
+  DartBackend backend = compiler.backend;
+  Map<Node, String> renames = backend.renames;
+  Map<LibraryElement, String> imports = backend.imports;
+
+  Node getNameFunctionNode =
+      backend.memberNodes.values.first.first.body.statements.nodes.head;
+
+  Expect.equals(MirrorRenamer.MIRROR_HELPER_GET_NAME_FUNCTION,
+                renames[getNameFunctionNode.expression.selector]);
+  Expect.equals(MirrorRenamer.MIRROR_HELPER_CLASS_FULLY_QUALIFIED_NAME,
+                renames[getNameFunctionNode.expression.receiver]);
+  Expect.equals(2, imports.keys.length);
+  Expect.isTrue(imports.keys.any((library) =>
+      library.canonicalUri ==
+          new Uri(path: MirrorRenamer.MIRROR_HELPER_LIBRARY_NAME)));
+}
+
+void testWithMirrorRenamingMinify() {
+  Compiler compiler = runCompiler(useMirrorHelperLibrary: true, minify: true);
+
+  DartBackend backend = compiler.backend;
+  Map<Node, String> renames = backend.renames;
+  Map<LibraryElement, String> imports = backend.imports;
+
+  Node getNameFunctionNode =
+      backend.memberNodes.values.first.first.body.statements.nodes.head;
+
+  Expect.equals(MirrorRenamer.MIRROR_HELPER_GET_NAME_FUNCTION,
+      renames[getNameFunctionNode.expression.selector]);
+  Expect.equals(MirrorRenamer.MIRROR_HELPER_CLASS_FULLY_QUALIFIED_NAME,
+                renames[getNameFunctionNode.expression.receiver]);
+  Expect.equals(2, imports.keys.length);
+  Expect.isTrue(imports.keys.any((library) =>
+      library.canonicalUri ==
+          new Uri(path: MirrorRenamer.MIRROR_HELPER_LIBRARY_NAME)));
+}
+
+void testWithoutMirrorRenaming() {
+  Compiler compiler = runCompiler(useMirrorHelperLibrary: false, minify: false);
+
+  DartBackend backend = compiler.backend;
+  Map<Node, String> renames = backend.renames;
+  Map<LibraryElement, String> imports = backend.imports;
+
+  Node getNameFunctionNode =
+      backend.memberNodes.values.first.first.body.statements.nodes.head;
+
+  Expect.isFalse(renames.containsKey(getNameFunctionNode.expression.selector));
+  Expect.isFalse(renames.containsKey(getNameFunctionNode.expression.receiver));
+  Expect.equals(1, imports.keys.length);
+}
+
+void testWithoutMirrorRenamingMinify() {
+  Compiler compiler = runCompiler(useMirrorHelperLibrary: false, minify: true);
+
+  DartBackend backend = compiler.backend;
+  Map<Node, String> renames = backend.renames;
+  Map<LibraryElement, String> imports = backend.imports;
+
+  Node getNameFunctionNode =
+      backend.memberNodes.values.first.first.body.statements.nodes.head;
+
+  Expect.isFalse(renames.containsKey(getNameFunctionNode.expression.selector));
+  Expect.isFalse(renames.containsKey(getNameFunctionNode.expression.receiver));
+  Expect.equals(1, imports.keys.length);
+}
+
+const MEMORY_SOURCE_FILES = const <String, String> {
+  'main.dart': """
+import 'dart:mirrors';
+
+
+class Foo {
+  noSuchMethod(Invocation invocation) {
+    MirrorSystem.getName(invocation.memberName);
+  }
+}
+
+void main() {
+  new Foo().fist();
+}
+"""};