4116944ced
BUG=v8:3291 LOG=N R=aandrey@chromium.org, yangguo@chromium.org Review URL: https://codereview.chromium.org/398513005 Patch from Alexandra Mikhaylova <amikhaylova@google.com>. git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22452 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
96 lines
2.5 KiB
JavaScript
96 lines
2.5 KiB
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-debug-as debug --expose-gc --harmony-collections
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function testMapMirror(mirror) {
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// Create JSON representation.
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var serializer = debug.MakeMirrorSerializer();
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var json = JSON.stringify(serializer.serializeValue(mirror));
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// Check the mirror hierachy.
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assertTrue(mirror instanceof debug.Mirror);
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assertTrue(mirror instanceof debug.ValueMirror);
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assertTrue(mirror instanceof debug.ObjectMirror);
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assertTrue(mirror instanceof debug.MapMirror);
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assertTrue(mirror.isMap());
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// Parse JSON representation and check.
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var fromJSON = eval('(' + json + ')');
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assertEquals('map', fromJSON.type);
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}
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var o1 = new Object();
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var o2 = new Object();
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var o3 = new Object();
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// Test the mirror object for Maps
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var map = new Map();
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map.set(o1, 11);
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map.set(o2, 22);
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map.delete(o1);
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var mapMirror = debug.MakeMirror(map);
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testMapMirror(mapMirror);
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var entries = mapMirror.entries();
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assertEquals(1, entries.length);
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assertSame(o2, entries[0].key);
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assertEquals(22, entries[0].value);
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map.set(o1, 33);
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map.set(o3, o2);
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map.delete(o2);
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map.set(undefined, 44);
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entries = mapMirror.entries();
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assertEquals(3, entries.length);
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assertSame(o1, entries[0].key);
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assertEquals(33, entries[0].value);
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assertSame(o3, entries[1].key);
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assertSame(o2, entries[1].value);
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assertEquals(undefined, entries[2].key);
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assertEquals(44, entries[2].value);
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// Test the mirror object for WeakMaps
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var weakMap = new WeakMap();
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weakMap.set(o1, 11);
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weakMap.set(new Object(), 22);
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weakMap.set(o3, 33);
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var weakMapMirror = debug.MakeMirror(weakMap);
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testMapMirror(weakMapMirror);
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function testWeakMapEntries(entries, gcDone) {
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var found = 0;
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for (var i = 0; i < entries.length; i++) {
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if (Object.is(entries[i].key, o1)) {
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assertEquals(11, entries[i].value);
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found++;
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continue;
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}
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if (Object.is(entries[i].key, o3)) {
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assertEquals(33, entries[i].value);
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found++;
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continue;
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}
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if (!gcDone && entries[i].value == 22)
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found++;
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}
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return found;
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}
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function testWeakMapMirrorBeforeGC(mirror) {
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var entries = mirror.entries();
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assertEquals(3, entries.length);
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assertEquals(3, testWeakMapEntries(entries, false));
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}
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testWeakMapMirrorBeforeGC(weakMapMirror);
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gc();
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function testWeakMapMirrorAfterGC(mirror) {
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var entries = mirror.entries();
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assertEquals(2, entries.length);
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assertEquals(2, testWeakMapEntries(entries, true));
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}
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testWeakMapMirrorAfterGC(weakMapMirror);
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