Prepare inference test for kernel based inference

tests/compiler/dart2js/jumps/jump_test.dart

 // Copyright (c) 2017, 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 'dart:io';
 import 'package:async_helper/async_helper.dart';
 import 'package:compiler/src/common.dart';
 import 'package:compiler/src/compiler.dart';
 import 'package:compiler/src/diagnostics/diagnostic_listener.dart';
 import 'package:compiler/src/elements/elements.dart';
 import 'package:compiler/src/elements/entities.dart';
 import 'package:compiler/src/elements/jumps.dart';
 import 'package:compiler/src/js_model/locals.dart';
 import 'package:compiler/src/kernel/element_map.dart';
 import 'package:compiler/src/kernel/kernel_backend_strategy.dart';
 import 'package:compiler/src/tree/nodes.dart' as ast;
 import '../equivalence/id_equivalence.dart';
 import '../equivalence/id_equivalence_helper.dart';
 import 'package:kernel/ast.dart' as ir;
 
 main() {
   asyncTest(() async {
     Directory dataDir = new Directory.fromUri(Platform.script.resolve('data'));
-    await for (FileSystemEntity entity in dataDir.list()) {
-      print('----------------------------------------------------------------');
-      print('Checking ${entity.uri}');
-      print('----------------------------------------------------------------');
-      String annotatedCode = await new File.fromUri(entity.uri).readAsString();
-      print('--from source---------------------------------------------------');
-      await checkCode(annotatedCode, computeJumpsData, compileFromSource);
-      print('--from dill-----------------------------------------------------');
-      await checkCode(annotatedCode, computeKernelJumpsData, compileFromDill);
-    }
+    await checkTests(dataDir, computeJumpsData, computeKernelJumpsData);
   });
 }
 
 /// Compute closure data mapping for [_member] as a [MemberElement].
 ///
 /// Fills [actualMap] with the data and [sourceSpanMap] with the source spans
 /// for the data origin.
 void computeJumpsData(
     Compiler compiler, MemberEntity _member, Map<Id, ActualData> actualMap,
     {bool verbose: false}) {
   MemberElement member = _member;
   new JumpsAstComputer(compiler.reporter, actualMap, member.resolvedAst).run();
 }
 
 /// Compute closure data mapping for [member] as a kernel based element.
 ///
 /// Fills [actualMap] with the data and [sourceSpanMap] with the source spans
 /// for the data origin.
 void computeKernelJumpsData(
     Compiler compiler, MemberEntity member, Map<Id, ActualData> actualMap,
     {bool verbose: false}) {
   KernelBackendStrategy backendStrategy = compiler.backendStrategy;
   KernelToElementMapForBuilding elementMap = backendStrategy.elementMap;
   GlobalLocalsMap localsMap = backendStrategy.globalLocalsMapForTesting;
   MemberDefinition definition = elementMap.getMemberDefinition(member);
-  new JumpsIrChecker(
-          actualMap, elementMap, member, localsMap.getLocalsMap(member))
+  new JumpsIrChecker(actualMap, localsMap.getLocalsMap(member))
       .run(definition.node);
 }
 
 class TargetData {
   final int index;
   final NodeId id;
   final SourceSpan sourceSpan;
   final JumpTarget target;
 
   TargetData(this.index, this.id, this.sourceSpan, this.target);
@@ skipping 86 matching lines @@
     SourceSpan sourceSpan = computeSourceSpan(node);
     gotos.add(new GotoData(id, sourceSpan, target));
     super.visitGotoStatement(node);
   }
 }
 
 /// Kernel IR visitor for computing jump data.
 class JumpsIrChecker extends IrDataExtractor with JumpsMixin {
   final KernelToLocalsMap _localsMap;
 
-  JumpsIrChecker(Map<Id, ActualData> actualMap, KernelToElementMap elementMap,
-      MemberEntity member, this._localsMap)
+  JumpsIrChecker(Map<Id, ActualData> actualMap, this._localsMap)
       : super(actualMap);
 
   void run(ir.Node root) {
     super.run(root);
     processData();
   }
 
   @override
   String computeNodeValue(ir.Node node) {
     // Node values are computed post-visit in [processData].
@@ skipping 35 matching lines @@
 
   visitBreakStatement(ir.BreakStatement node) {
     JumpTarget target = _localsMap.getJumpTargetForBreak(node);
     assert(target != null, 'No target for $node.');
     NodeId id = computeGotoNodeId(node);
     SourceSpan sourceSpan = computeSourceSpan(node);
     gotos.add(new GotoData(id, sourceSpan, target));
     super.visitBreakStatement(node);
   }
 }