622d35dc0e
This implementation extends the internal ObjectHashTable to be able to hold arbitrary objects (e.g. Smis, Strings, ...) as keys by applying specialized hashing functions to primitive types. Equality of keys is defined using the internal SameValue function. R=rossberg@chromium.org BUG=v8:1622 TEST=mjsunit/harmony/collections Review URL: http://codereview.chromium.org/8372027 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9777 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
123 lines
3.5 KiB
JavaScript
123 lines
3.5 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --harmony-proxies --harmony-collections
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// Helper.
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function TestWithProxies(test, construct, handler) {
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test(construct, handler, Proxy.create)
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test(construct, handler, function(h) {
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return Proxy.createFunction(h, function() {})
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})
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}
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// Sets.
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function TestSet(construct, fix) {
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TestWithProxies(TestSet2, construct, fix)
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}
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function TestSet2(construct, fix, create) {
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var handler = {fix: function() { return {} }}
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var p1 = create(handler)
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var p2 = create(handler)
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var p3 = create(handler)
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fix(p3)
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var s = construct();
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s.add(p1);
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s.add(p2);
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assertTrue(s.has(p1));
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assertTrue(s.has(p2));
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assertFalse(s.has(p3));
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fix(p1)
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fix(p2)
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assertTrue(s.has(p1));
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assertTrue(s.has(p2));
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assertFalse(s.has(p3));
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s.delete(p2);
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assertTrue(s.has(p1));
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assertFalse(s.has(p2));
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assertFalse(s.has(p3));
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}
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TestSet(Set, Object.seal)
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TestSet(Set, Object.freeze)
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TestSet(Set, Object.preventExtensions)
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// Maps and weak maps.
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function TestMap(construct, fix) {
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TestWithProxies(TestMap2, construct, fix)
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}
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function TestMap2(construct, fix, create) {
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var handler = {fix: function() { return {} }}
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var p1 = create(handler)
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var p2 = create(handler)
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var p3 = create(handler)
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fix(p3)
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var m = construct();
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m.set(p1, 123);
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m.set(p2, 321);
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assertTrue(m.has(p1));
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assertTrue(m.has(p2));
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assertFalse(m.has(p3));
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assertSame(123, m.get(p1));
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assertSame(321, m.get(p2));
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fix(p1)
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fix(p2)
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assertTrue(m.has(p1));
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assertTrue(m.has(p2));
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assertFalse(m.has(p3));
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assertSame(123, m.get(p1));
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assertSame(321, m.get(p2));
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m.delete(p2);
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assertTrue(m.has(p1));
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assertFalse(m.has(p2));
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assertFalse(m.has(p3));
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assertSame(123, m.get(p1));
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assertSame(undefined, m.get(p2));
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}
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TestMap(Map, Object.seal)
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TestMap(Map, Object.freeze)
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TestMap(Map, Object.preventExtensions)
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TestMap(WeakMap, Object.seal)
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TestMap(WeakMap, Object.freeze)
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TestMap(WeakMap, Object.preventExtensions)
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