Revert "Expose the content of Maps and WeakMaps through MapMirror."

test/mjsunit/harmony/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 --harmony-collections
-
-function testMapMirror(mirror) {
-  // Create JSON representation.
-  var serializer = debug.MakeMirrorSerializer();
-  var json = JSON.stringify(serializer.serializeValue(mirror));
-
-  // Check the mirror hierachy.
-  assertTrue(mirror instanceof debug.Mirror);
-  assertTrue(mirror instanceof debug.ValueMirror);
-  assertTrue(mirror instanceof debug.ObjectMirror);
-  assertTrue(mirror instanceof debug.MapMirror);
-
-  assertTrue(mirror.isMap());
-
-  // Parse JSON representation and check.
-  var fromJSON = eval('(' + json + ')');
-  assertEquals('map', fromJSON.type);
-}
-
-var o1 = new Object();
-var o2 = new Object();
-var o3 = new Object();
-
-// Test the mirror object for Maps
-var map = new Map();
-map.set(o1, 11);
-map.set(o2, 22);
-map.delete(o1);
-var mapMirror = debug.MakeMirror(map);
-testMapMirror(mapMirror);
-var entries = mapMirror.entries();
-assertEquals(1, entries.length);
-assertSame(o2, entries[0].key);
-assertEquals(22, entries[0].value);
-map.set(o1, 33);
-map.set(o3, o2);
-map.delete(o2);
-map.set(undefined, 44);
-entries = mapMirror.entries();
-assertEquals(3, entries.length);
-assertSame(o1, entries[0].key);
-assertEquals(33, entries[0].value);
-assertSame(o3, entries[1].key);
-assertSame(o2, entries[1].value);
-assertEquals(undefined, entries[2].key);
-assertEquals(44, entries[2].value);
-
-// Test the mirror object for WeakMaps
-var weakMap = new WeakMap();
-weakMap.set(o1, 11);
-weakMap.set(new Object(), 22);
-weakMap.set(o3, 33);
-var weakMapMirror = debug.MakeMirror(weakMap);
-testMapMirror(weakMapMirror);
-
-function testWeakMapEntries(entries, gcDone) {
-  var found = 0;
-  for (var i = 0; i < entries.length; i++) {
-    if (Object.is(entries[i].key, o1)) {
-      assertEquals(11, entries[i].value);
-      found++;
-      continue;
-    }
-    if (Object.is(entries[i].key, o3)) {
-      assertEquals(33, entries[i].value);
-      found++;
-      continue;
-    }
-    if (!gcDone && entries[i].value == 22)
-      found++;
-  }
-  return found;
-}
-
-function testWeakMapMirrorBeforeGC(mirror) {
-  var entries = mirror.entries();
-  assertEquals(3, entries.length);
-  assertEquals(3, testWeakMapEntries(entries, false));
-}
-
-testWeakMapMirrorBeforeGC(weakMapMirror);
-gc();
-
-function testWeakMapMirrorAfterGC(mirror) {
-  var entries = mirror.entries();
-  assertEquals(2, entries.length);
-  assertEquals(2, testWeakMapEntries(entries, true));
-}
-
-testWeakMapMirrorAfterGC(weakMapMirror);