Add 'self_check' runtime for running self-checking unit tests

pkg/kernel/test/class_hierarchy_self_check.dart

Index: pkg/kernel/test/class_hierarchy_self_check.dart
diff --git a/pkg/kernel/test/class_hierarchy_tester.dart b/pkg/kernel/test/class_hierarchy_self_check.dart
similarity index 95%
rename from pkg/kernel/test/class_hierarchy_tester.dart
rename to pkg/kernel/test/class_hierarchy_self_check.dart
index d4e04ad95f84a0d460d1a347e6ba0ee8b5e3b2ab..d4cc87b28580a0fa754521eeb110ef1c75d9b4e0 100644
--- a/pkg/kernel/test/class_hierarchy_tester.dart
+++ b/pkg/kernel/test/class_hierarchy_self_check.dart
@@ -8,6 +8,13 @@ import 'package:test/test.dart';
 import 'class_hierarchy_basic.dart';
 import 'dart:io';
 import 'dart:math';
+import 'self_check_util.dart';
+
+main(List<String> args) {
+  runSelfCheck(args, (String filename) {
+    testClassHierarchyOnProgram(loadProgramFromBinary(filename));
+  });
+}
 
 void testClassHierarchyOnProgram(Program program, {bool verbose: false}) {
   BasicClassHierarchy basic = new BasicClassHierarchy(program);
@@ -115,12 +122,14 @@ void testClassHierarchyOnProgram(Program program, {bool verbose: false}) {
       String eq = setter ? '=' : '';
       return '$member$eq overrides $superMember$eq';
     }
+
     Set<String> expectedOverrides = new Set<String>();
     basic.forEachOverridePair(classNode, (member, superMember, setter) {
       expectedOverrides.add(getHash(member, superMember, setter));
     });
     Set<String> actualOverrides = new Set<String>();
-    classHierarchy.forEachOverridePair(classNode, (member, superMember, setter) {
+    classHierarchy.forEachOverridePair(classNode,
+        (member, superMember, setter) {
       actualOverrides.add(getHash(member, superMember, setter));
     });
     for (var actual in actualOverrides) {
@@ -142,7 +151,7 @@ void testClassHierarchyOnProgram(Program program, {bool verbose: false}) {
 var random = new Random(12345);
 
 List/*<T>*/ pickRandom/*<T>*/(List/*<T>*/ items, int n) {
-  var result = /*<T>*/[];
+  var result = /*<T>*/ [];
   for (int i = 0; i < n; ++i) {
     result.add(items[random.nextInt(items.length)]);
   }