Generate mock libraries and assert that helpers are non-null.

tests/compiler/dart2js/compiler_helper.dart

 // Copyright (c) 2012, 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 compiler_helper;
 
 import 'dart:async';
 import "package:expect/expect.dart";
 
 import 'package:compiler/implementation/elements/elements.dart'
@@ skipping 28 matching lines @@
 import 'package:compiler/implementation/dart2jslib.dart'
        show Compiler;
 
 export 'package:compiler/implementation/tree/tree.dart';
 
 import 'mock_compiler.dart';
 export 'mock_compiler.dart';
 
 Future<String> compile(String code,
                        {String entry: 'main',
-                        String coreSource: DEFAULT_CORELIB,
-                        String interceptorsSource: DEFAULT_INTERCEPTORSLIB,
                         bool enableTypeAssertions: false,
                         bool minify: false,
                         bool analyzeAll: false,
                         bool disableInlining: true,
                         void check(String generated)}) {
   MockCompiler compiler = new MockCompiler.internal(
       enableTypeAssertions: enableTypeAssertions,
-      coreSource: coreSource,
       // Type inference does not run when manually
       // compiling a method.
       disableTypeInference: true,
-      interceptorsSource: interceptorsSource,
       enableMinification: minify,
       disableInlining: disableInlining);
   return compiler.init().then((_) {
     compiler.parseScript(code);
     lego.Element element = compiler.mainApp.find(entry);
     if (element == null) return null;
     compiler.phase = Compiler.PHASE_RESOLVING;
     compiler.backend.enqueueHelpers(compiler.enqueuer.resolution,
                                     compiler.globalDependencies);
     compiler.processQueue(compiler.enqueuer.resolution, element);
@@ skipping 12 matching lines @@
       check(generated);
     }
     return generated;
   });
 }
 
 // TODO(herhut): Disallow warnings and errors during compilation by default.
 MockCompiler compilerFor(String code, Uri uri,
                          {bool analyzeAll: false,
                           bool analyzeOnly: false,
-                          String coreSource: DEFAULT_CORELIB,
+                          Map<String, String> coreSource,
                           bool disableInlining: true,
                           bool minify: false,
                           int expectedErrors,
                           int expectedWarnings}) {
   MockCompiler compiler = new MockCompiler.internal(
       analyzeAll: analyzeAll,
       analyzeOnly: analyzeOnly,
       coreSource: coreSource,
       disableInlining: disableInlining,
       enableMinification: minify,
       expectedErrors: expectedErrors,
       expectedWarnings: expectedWarnings);
   compiler.registerSource(uri, code);
   return compiler;
 }
 
 Future<String> compileAll(String code,
-                          {String coreSource: DEFAULT_CORELIB,
+                          {Map<String, String> coreSource,
                           bool disableInlining: true,
                           bool minify: false,
                           int expectedErrors,
                           int expectedWarnings}) {
   Uri uri = new Uri(scheme: 'source');
   MockCompiler compiler = compilerFor(
       code, uri, coreSource: coreSource, disableInlining: disableInlining,
       minify: minify, expectedErrors: expectedErrors,
       expectedWarnings: expectedWarnings);
   return compiler.runCompiler(uri).then((_) {
@@ skipping 120 matching lines @@
     regexp = regexp.replaceAll(xRe, '(?:$anyIdentifier)');
     final spaceRe = new RegExp('\\s+');
     regexp = regexp.replaceAll(spaceRe, '(?:\\s*)');
     if (shouldMatch) {
       Expect.isTrue(new RegExp(regexp).hasMatch(generated));
     } else {
       Expect.isFalse(new RegExp(regexp).hasMatch(generated));
     }
   });
 }