[Interpreter] Updates mjsunit/es6/mirror-collections to work with ignition

test/mjsunit/es6/mirror-collections.js

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Flags: --expose-debug-as debug --expose-gc
 
 function testMapMirror(mirror) {
   // Create JSON representation.
   var serializer = debug.MakeMirrorSerializer();
   var json = JSON.stringify(serializer.serializeValue(mirror));
@@ skipping 70 matching lines @@
 set.delete(o1);
 set.add(undefined);
 var setMirror = debug.MakeMirror(set);
 testSetMirror(setMirror);
 var values = setMirror.values();
 assertEquals(2, values.length);
 assertEquals(1, setMirror.values(1).length);
 assertSame(o2, values[0]);
 assertEquals(undefined, values[1]);
 
+function initWeakMap(weakMap) {
+  weakMap.set(o1, 11);
+  weakMap.set(new Object(), 22);
+  weakMap.set(o3, 33);
+  weakMap.set(new Object(), 44);
+  var weakMapMirror = debug.MakeMirror(weakMap);
+  testMapMirror(weakMapMirror);
+  weakMap.set(new Object(), 55);
+  assertTrue(weakMapMirror.entries().length <= 5);
+  return weakMapMirror;
+}
+
 // Test the mirror object for WeakMaps
 var weakMap = new WeakMap();
-weakMap.set(o1, 11);
-weakMap.set(new Object(), 22);
-weakMap.set(o3, 33);
-weakMap.set(new Object(), 44);
-var weakMapMirror = debug.MakeMirror(weakMap);
-testMapMirror(weakMapMirror);
-weakMap.set(new Object(), 55);
-assertTrue(weakMapMirror.entries().length <= 5);
+var weakMapMirror = initWeakMap(weakMap);
 gc();
 
 function testWeakMapEntries(weakMapMirror) {
   var entries = weakMapMirror.entries();
   assertEquals(2, entries.length);
   assertEquals(2, weakMapMirror.entries(0).length);
   assertEquals(1, weakMapMirror.entries(1).length);
   var found = 0;
   for (var i = 0; i < entries.length; i++) {
     if (Object.is(entries[i].key, o1)) {
       assertEquals(11, entries[i].value);
       found++;
     }
     if (Object.is(entries[i].key, o3)) {
       assertEquals(33, entries[i].value);
       found++;
     }
   }
   assertEquals(2, found);
 }
 
 testWeakMapEntries(weakMapMirror);
 
+function initWeakSet(weakSet) {
+  weakSet.add(o1);
+  weakSet.add(new Object());
+  weakSet.add(o2);
+  weakSet.add(new Object());
+  weakSet.add(new Object());
+  weakSet.add(o3);
+  weakSet.delete(o2);
+  var weakSetMirror =  debug.MakeMirror(weakSet);
+  testSetMirror(weakSetMirror);
+  assertTrue(weakSetMirror.values().length <= 5);
+  return weakSetMirror;
+}
+
 // Test the mirror object for WeakSets
 var weakSet = new WeakSet();
-weakSet.add(o1);
-weakSet.add(new Object());
-weakSet.add(o2);
-weakSet.add(new Object());
-weakSet.add(new Object());
-weakSet.add(o3);
-weakSet.delete(o2);
-var weakSetMirror = debug.MakeMirror(weakSet);
-testSetMirror(weakSetMirror);
-assertTrue(weakSetMirror.values().length <= 5);
+var weakSetMirror = initWeakSet(weakSet);
 gc();
 
 function testWeakSetValues(weakSetMirror) {
   var values = weakSetMirror.values();
   assertEquals(2, values.length);
   assertEquals(2, weakSetMirror.values(0).length);
   assertEquals(1, weakSetMirror.values(1).length);
   var found = 0;
   for (var i = 0; i < values.length; i++) {
     if (Object.is(values[i], o1)) {
       found++;
     }
     if (Object.is(values[i], o3)) {
       found++;
     }
   }
   assertEquals(2, found);
 }
 
 testWeakSetValues(weakSetMirror);