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-// Copyright 2012 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Flags: --harmony-collections --expose-gc
-
-
-// Test valid getter and setter calls on Sets.
-function TestValidSetCalls(m) {
- assertDoesNotThrow(function () { m.add(new Object) });
- assertDoesNotThrow(function () { m.has(new Object) });
- assertDoesNotThrow(function () { m.delete(new Object) });
-}
-TestValidSetCalls(new Set);
-
-
-// Test valid getter and setter calls on Maps and WeakMaps
-function TestValidMapCalls(m) {
- assertDoesNotThrow(function () { m.get(new Object) });
- assertDoesNotThrow(function () { m.set(new Object) });
- assertDoesNotThrow(function () { m.has(new Object) });
- assertDoesNotThrow(function () { m.delete(new Object) });
-}
-TestValidMapCalls(new Map);
-TestValidMapCalls(new WeakMap);
-
-
-// Test invalid getter and setter calls for WeakMap only
-function TestInvalidCalls(m) {
- assertThrows(function () { m.get(undefined) }, TypeError);
- assertThrows(function () { m.set(undefined, 0) }, TypeError);
- assertThrows(function () { m.get(null) }, TypeError);
- assertThrows(function () { m.set(null, 0) }, TypeError);
- assertThrows(function () { m.get(0) }, TypeError);
- assertThrows(function () { m.set(0, 0) }, TypeError);
- assertThrows(function () { m.get('a-key') }, TypeError);
- assertThrows(function () { m.set('a-key', 0) }, TypeError);
-}
-TestInvalidCalls(new WeakMap);
-
-
-// Test expected behavior for Sets
-function TestSet(set, key) {
- assertFalse(set.has(key));
- assertSame(undefined, set.add(key));
- assertTrue(set.has(key));
- assertTrue(set.delete(key));
- assertFalse(set.has(key));
- assertFalse(set.delete(key));
- assertFalse(set.has(key));
-}
-function TestSetBehavior(set) {
- for (var i = 0; i < 20; i++) {
- TestSet(set, new Object);
- TestSet(set, i);
- TestSet(set, i / 100);
- TestSet(set, 'key-' + i);
- }
- var keys = [ +0, -0, +Infinity, -Infinity, true, false, null, undefined ];
- for (var i = 0; i < keys.length; i++) {
- TestSet(set, keys[i]);
- }
-}
-TestSetBehavior(new Set);
-
-
-// Test expected mapping behavior for Maps and WeakMaps
-function TestMapping(map, key, value) {
- assertSame(undefined, map.set(key, value));
- assertSame(value, map.get(key));
-}
-function TestMapBehavior1(m) {
- TestMapping(m, new Object, 23);
- TestMapping(m, new Object, 'the-value');
- TestMapping(m, new Object, new Object);
-}
-TestMapBehavior1(new Map);
-TestMapBehavior1(new WeakMap);
-
-
-// Test expected mapping behavior for Maps only
-function TestMapBehavior2(m) {
- for (var i = 0; i < 20; i++) {
- TestMapping(m, i, new Object);
- TestMapping(m, i / 10, new Object);
- TestMapping(m, 'key-' + i, new Object);
- }
- var keys = [ +0, -0, +Infinity, -Infinity, true, false, null, undefined ];
- for (var i = 0; i < keys.length; i++) {
- TestMapping(m, keys[i], new Object);
- }
-}
-TestMapBehavior2(new Map);
-
-
-// Test expected querying behavior of Maps and WeakMaps
-function TestQuery(m) {
- var key = new Object;
- var values = [ 'x', 0, +Infinity, -Infinity, true, false, null, undefined ];
- for (var i = 0; i < values.length; i++) {
- TestMapping(m, key, values[i]);
- assertTrue(m.has(key));
- assertFalse(m.has(new Object));
- }
-}
-TestQuery(new Map);
-TestQuery(new WeakMap);
-
-
-// Test expected deletion behavior of Maps and WeakMaps
-function TestDelete(m) {
- var key = new Object;
- TestMapping(m, key, 'to-be-deleted');
- assertTrue(m.delete(key));
- assertFalse(m.delete(key));
- assertFalse(m.delete(new Object));
- assertSame(m.get(key), undefined);
-}
-TestDelete(new Map);
-TestDelete(new WeakMap);
-
-
-// Test GC of Maps and WeakMaps with entry
-function TestGC1(m) {
- var key = new Object;
- m.set(key, 'not-collected');
- gc();
- assertSame('not-collected', m.get(key));
-}
-TestGC1(new Map);
-TestGC1(new WeakMap);
-
-
-// Test GC of Maps and WeakMaps with chained entries
-function TestGC2(m) {
- var head = new Object;
- for (key = head, i = 0; i < 10; i++, key = m.get(key)) {
- m.set(key, new Object);
- }
- gc();
- var count = 0;
- for (key = head; key != undefined; key = m.get(key)) {
- count++;
- }
- assertEquals(11, count);
-}
-TestGC2(new Map);
-TestGC2(new WeakMap);
-
-
-// Test property attribute [[Enumerable]]
-function TestEnumerable(func) {
- function props(x) {
- var array = [];
- for (var p in x) array.push(p);
- return array.sort();
- }
- assertArrayEquals([], props(func));
- assertArrayEquals([], props(func.prototype));
- assertArrayEquals([], props(new func()));
-}
-TestEnumerable(Set);
-TestEnumerable(Map);
-TestEnumerable(WeakMap);
-
-
-// Test arbitrary properties on Maps and WeakMaps
-function TestArbitrary(m) {
- function TestProperty(map, property, value) {
- map[property] = value;
- assertEquals(value, map[property]);
- }
- for (var i = 0; i < 20; i++) {
- TestProperty(m, i, 'val' + i);
- TestProperty(m, 'foo' + i, 'bar' + i);
- }
- TestMapping(m, new Object, 'foobar');
-}
-TestArbitrary(new Map);
-TestArbitrary(new WeakMap);
-
-
-// Test direct constructor call
-assertTrue(Set() instanceof Set);
-assertTrue(Map() instanceof Map);
-assertTrue(WeakMap() instanceof WeakMap);
-
-
-// Test whether NaN values as keys are treated correctly.
-var s = new Set;
-assertFalse(s.has(NaN));
-assertFalse(s.has(NaN + 1));
-assertFalse(s.has(23));
-s.add(NaN);
-assertTrue(s.has(NaN));
-assertTrue(s.has(NaN + 1));
-assertFalse(s.has(23));
-var m = new Map;
-assertFalse(m.has(NaN));
-assertFalse(m.has(NaN + 1));
-assertFalse(m.has(23));
-m.set(NaN, 'a-value');
-assertTrue(m.has(NaN));
-assertTrue(m.has(NaN + 1));
-assertFalse(m.has(23));
-
-
-// Test some common JavaScript idioms for Sets
-var s = new Set;
-assertTrue(s instanceof Set);
-assertTrue(Set.prototype.add instanceof Function)
-assertTrue(Set.prototype.has instanceof Function)
-assertTrue(Set.prototype.delete instanceof Function)
-
-
-// Test some common JavaScript idioms for Maps
-var m = new Map;
-assertTrue(m instanceof Map);
-assertTrue(Map.prototype.set instanceof Function)
-assertTrue(Map.prototype.get instanceof Function)
-assertTrue(Map.prototype.has instanceof Function)
-assertTrue(Map.prototype.delete instanceof Function)
-
-
-// Test some common JavaScript idioms for WeakMaps
-var m = new WeakMap;
-assertTrue(m instanceof WeakMap);
-assertTrue(WeakMap.prototype.set instanceof Function)
-assertTrue(WeakMap.prototype.get instanceof Function)
-assertTrue(WeakMap.prototype.has instanceof Function)
-assertTrue(WeakMap.prototype.delete instanceof Function)
-
-
-// Regression test for WeakMap prototype.
-assertTrue(WeakMap.prototype.constructor === WeakMap)
-assertTrue(Object.getPrototypeOf(WeakMap.prototype) === Object.prototype)
-
-
-// Regression test for issue 1617: The prototype of the WeakMap constructor
-// needs to be unique (i.e. different from the one of the Object constructor).
-assertFalse(WeakMap.prototype === Object.prototype);
-var o = Object.create({});
-assertFalse("get" in o);
-assertFalse("set" in o);
-assertEquals(undefined, o.get);
-assertEquals(undefined, o.set);
-var o = Object.create({}, { myValue: {
- value: 10,
- enumerable: false,
- configurable: true,
- writable: true
-}});
-assertEquals(10, o.myValue);
-
-
-// Regression test for issue 1884: Invoking any of the methods for Harmony
-// maps, sets, or weak maps, with a wrong type of receiver should be throwing
-// a proper TypeError.
-var alwaysBogus = [ undefined, null, true, "x", 23, {} ];
-var bogusReceiversTestSet = [
- { proto: Set.prototype,
- funcs: [ 'add', 'has', 'delete' ],
- receivers: alwaysBogus.concat([ new Map, new WeakMap ]),
- },
- { proto: Map.prototype,
- funcs: [ 'get', 'set', 'has', 'delete' ],
- receivers: alwaysBogus.concat([ new Set, new WeakMap ]),
- },
- { proto: WeakMap.prototype,
- funcs: [ 'get', 'set', 'has', 'delete' ],
- receivers: alwaysBogus.concat([ new Set, new Map ]),
- },
-];
-function TestBogusReceivers(testSet) {
- for (var i = 0; i < testSet.length; i++) {
- var proto = testSet[i].proto;
- var funcs = testSet[i].funcs;
- var receivers = testSet[i].receivers;
- for (var j = 0; j < funcs.length; j++) {
- var func = proto[funcs[j]];
- for (var k = 0; k < receivers.length; k++) {
- assertThrows(function () { func.call(receivers[k], {}) }, TypeError);
- }
- }
- }
-}
-TestBogusReceivers(bogusReceiversTestSet);
-
-
-// Stress Test
-// There is a proposed stress-test available at the es-discuss mailing list
-// which cannot be reasonably automated. Check it out by hand if you like:
-// https://mail.mozilla.org/pipermail/es-discuss/2011-May/014096.html
-
-
-// Set and Map size getters
-var setSizeDescriptor = Object.getOwnPropertyDescriptor(Set.prototype, 'size');
-assertEquals(undefined, setSizeDescriptor.value);
-assertEquals(undefined, setSizeDescriptor.set);
-assertTrue(setSizeDescriptor.get instanceof Function);
-assertEquals(undefined, setSizeDescriptor.get.prototype);
-assertFalse(setSizeDescriptor.enumerable);
-assertTrue(setSizeDescriptor.configurable);
-
-var s = new Set();
-assertFalse(s.hasOwnProperty('size'));
-for (var i = 0; i < 10; i++) {
- assertEquals(i, s.size);
- s.add(i);
-}
-for (var i = 9; i >= 0; i--) {
- s.delete(i);
- assertEquals(i, s.size);
-}
-
-
-var mapSizeDescriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
-assertEquals(undefined, mapSizeDescriptor.value);
-assertEquals(undefined, mapSizeDescriptor.set);
-assertTrue(mapSizeDescriptor.get instanceof Function);
-assertEquals(undefined, mapSizeDescriptor.get.prototype);
-assertFalse(mapSizeDescriptor.enumerable);
-assertTrue(mapSizeDescriptor.configurable);
-
-var m = new Map();
-assertFalse(m.hasOwnProperty('size'));
-for (var i = 0; i < 10; i++) {
- assertEquals(i, m.size);
- m.set(i, i);
-}
-for (var i = 9; i >= 0; i--) {
- m.delete(i);
- assertEquals(i, m.size);
-}
-
-// Test clear
-var a = new Set();
-s.add(42);
-assertTrue(s.has(42));
-s.clear();
-assertFalse(s.has(42));
-assertEquals(0, s.size);
-
-var m = new Map();
-m.set(42, true);
-assertTrue(m.has(42));
-m.clear();
-assertFalse(m.has(42));
-assertEquals(0, m.size);