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415 lines
12 KiB
415 lines
12 KiB
// Copyright 2012 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-collections --expose-gc --allow-natives-syntax
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// Test valid getter and setter calls on Sets.
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function TestValidSetCalls(m) {
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assertDoesNotThrow(function () { m.add(new Object) });
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assertDoesNotThrow(function () { m.has(new Object) });
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assertDoesNotThrow(function () { m.delete(new Object) });
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}
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TestValidSetCalls(new Set);
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// Test valid getter and setter calls on Maps and WeakMaps
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function TestValidMapCalls(m) {
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assertDoesNotThrow(function () { m.get(new Object) });
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assertDoesNotThrow(function () { m.set(new Object) });
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assertDoesNotThrow(function () { m.has(new Object) });
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assertDoesNotThrow(function () { m.delete(new Object) });
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}
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TestValidMapCalls(new Map);
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TestValidMapCalls(new WeakMap);
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// Test invalid getter and setter calls for WeakMap only
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function TestInvalidCalls(m) {
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assertThrows(function () { m.get(undefined) }, TypeError);
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assertThrows(function () { m.set(undefined, 0) }, TypeError);
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assertThrows(function () { m.get(null) }, TypeError);
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assertThrows(function () { m.set(null, 0) }, TypeError);
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assertThrows(function () { m.get(0) }, TypeError);
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assertThrows(function () { m.set(0, 0) }, TypeError);
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assertThrows(function () { m.get('a-key') }, TypeError);
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assertThrows(function () { m.set('a-key', 0) }, TypeError);
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}
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TestInvalidCalls(new WeakMap);
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// Test expected behavior for Sets
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function TestSet(set, key) {
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assertFalse(set.has(key));
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assertSame(undefined, set.add(key));
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assertTrue(set.has(key));
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assertTrue(set.delete(key));
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assertFalse(set.has(key));
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assertFalse(set.delete(key));
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assertFalse(set.has(key));
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}
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function TestSetBehavior(set) {
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for (var i = 0; i < 20; i++) {
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TestSet(set, new Object);
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TestSet(set, i);
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TestSet(set, i / 100);
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TestSet(set, 'key-' + i);
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}
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var keys = [ +0, -0, +Infinity, -Infinity, true, false, null, undefined ];
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for (var i = 0; i < keys.length; i++) {
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TestSet(set, keys[i]);
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}
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}
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TestSetBehavior(new Set);
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// Test expected mapping behavior for Maps and WeakMaps
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function TestMapping(map, key, value) {
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assertSame(undefined, map.set(key, value));
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assertSame(value, map.get(key));
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}
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function TestMapBehavior1(m) {
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TestMapping(m, new Object, 23);
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TestMapping(m, new Object, 'the-value');
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TestMapping(m, new Object, new Object);
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}
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TestMapBehavior1(new Map);
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TestMapBehavior1(new WeakMap);
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// Test expected mapping behavior for Maps only
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function TestMapBehavior2(m) {
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for (var i = 0; i < 20; i++) {
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TestMapping(m, i, new Object);
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TestMapping(m, i / 10, new Object);
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TestMapping(m, 'key-' + i, new Object);
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}
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var keys = [ +0, -0, +Infinity, -Infinity, true, false, null, undefined ];
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for (var i = 0; i < keys.length; i++) {
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TestMapping(m, keys[i], new Object);
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}
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}
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TestMapBehavior2(new Map);
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// Test expected querying behavior of Maps and WeakMaps
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function TestQuery(m) {
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var key = new Object;
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var values = [ 'x', 0, +Infinity, -Infinity, true, false, null, undefined ];
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for (var i = 0; i < values.length; i++) {
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TestMapping(m, key, values[i]);
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assertTrue(m.has(key));
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assertFalse(m.has(new Object));
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}
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}
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TestQuery(new Map);
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TestQuery(new WeakMap);
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// Test expected deletion behavior of Maps and WeakMaps
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function TestDelete(m) {
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var key = new Object;
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TestMapping(m, key, 'to-be-deleted');
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assertTrue(m.delete(key));
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assertFalse(m.delete(key));
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assertFalse(m.delete(new Object));
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assertSame(m.get(key), undefined);
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}
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TestDelete(new Map);
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TestDelete(new WeakMap);
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// Test GC of Maps and WeakMaps with entry
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function TestGC1(m) {
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var key = new Object;
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m.set(key, 'not-collected');
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gc();
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assertSame('not-collected', m.get(key));
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}
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TestGC1(new Map);
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TestGC1(new WeakMap);
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// Test GC of Maps and WeakMaps with chained entries
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function TestGC2(m) {
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var head = new Object;
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for (key = head, i = 0; i < 10; i++, key = m.get(key)) {
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m.set(key, new Object);
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}
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gc();
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var count = 0;
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for (key = head; key != undefined; key = m.get(key)) {
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count++;
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}
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assertEquals(11, count);
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}
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TestGC2(new Map);
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TestGC2(new WeakMap);
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// Test property attribute [[Enumerable]]
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function TestEnumerable(func) {
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function props(x) {
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var array = [];
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for (var p in x) array.push(p);
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return array.sort();
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}
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assertArrayEquals([], props(func));
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assertArrayEquals([], props(func.prototype));
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assertArrayEquals([], props(new func()));
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}
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TestEnumerable(Set);
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TestEnumerable(Map);
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TestEnumerable(WeakMap);
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// Test arbitrary properties on Maps and WeakMaps
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function TestArbitrary(m) {
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function TestProperty(map, property, value) {
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map[property] = value;
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assertEquals(value, map[property]);
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}
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for (var i = 0; i < 20; i++) {
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TestProperty(m, i, 'val' + i);
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TestProperty(m, 'foo' + i, 'bar' + i);
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}
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TestMapping(m, new Object, 'foobar');
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}
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TestArbitrary(new Map);
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TestArbitrary(new WeakMap);
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// Test direct constructor call
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assertTrue(Set() instanceof Set);
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assertTrue(Map() instanceof Map);
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assertTrue(WeakMap() instanceof WeakMap);
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// Test whether NaN values as keys are treated correctly.
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var s = new Set;
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assertFalse(s.has(NaN));
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assertFalse(s.has(NaN + 1));
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assertFalse(s.has(23));
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s.add(NaN);
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assertTrue(s.has(NaN));
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assertTrue(s.has(NaN + 1));
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assertFalse(s.has(23));
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var m = new Map;
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assertFalse(m.has(NaN));
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assertFalse(m.has(NaN + 1));
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assertFalse(m.has(23));
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m.set(NaN, 'a-value');
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assertTrue(m.has(NaN));
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assertTrue(m.has(NaN + 1));
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assertFalse(m.has(23));
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// Test some common JavaScript idioms for Sets
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var s = new Set;
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assertTrue(s instanceof Set);
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assertTrue(Set.prototype.add instanceof Function)
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assertTrue(Set.prototype.has instanceof Function)
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assertTrue(Set.prototype.delete instanceof Function)
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// Test some common JavaScript idioms for Maps
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var m = new Map;
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assertTrue(m instanceof Map);
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assertTrue(Map.prototype.set instanceof Function)
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assertTrue(Map.prototype.get instanceof Function)
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assertTrue(Map.prototype.has instanceof Function)
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assertTrue(Map.prototype.delete instanceof Function)
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// Test some common JavaScript idioms for WeakMaps
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var m = new WeakMap;
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assertTrue(m instanceof WeakMap);
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assertTrue(WeakMap.prototype.set instanceof Function)
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assertTrue(WeakMap.prototype.get instanceof Function)
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assertTrue(WeakMap.prototype.has instanceof Function)
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assertTrue(WeakMap.prototype.delete instanceof Function)
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// Test class of the Set, Map and WeakMap instance and prototype.
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assertEquals("Set", %_ClassOf(new Set))
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assertEquals("Object", %_ClassOf(Set.prototype))
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assertEquals("Map", %_ClassOf(new Map))
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assertEquals("Object", %_ClassOf(Map.prototype))
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assertEquals("WeakMap", %_ClassOf(new WeakMap))
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assertEquals("Object", %_ClassOf(WeakMap.prototype))
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// Test constructor property of the Set, Map and WeakMap prototype.
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function TestConstructor(C) {
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assertFalse(C === Object.prototype.constructor);
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assertSame(C, C.prototype.constructor);
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assertSame(C, C().__proto__.constructor);
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assertSame(C, (new C).__proto__.constructor);
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}
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TestConstructor(Set);
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TestConstructor(Map);
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TestConstructor(WeakMap);
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// Regression test for WeakMap prototype.
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assertTrue(WeakMap.prototype.constructor === WeakMap)
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assertTrue(Object.getPrototypeOf(WeakMap.prototype) === Object.prototype)
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// Regression test for issue 1617: The prototype of the WeakMap constructor
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// needs to be unique (i.e. different from the one of the Object constructor).
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assertFalse(WeakMap.prototype === Object.prototype);
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var o = Object.create({});
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assertFalse("get" in o);
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assertFalse("set" in o);
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assertEquals(undefined, o.get);
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assertEquals(undefined, o.set);
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var o = Object.create({}, { myValue: {
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value: 10,
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enumerable: false,
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configurable: true,
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writable: true
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}});
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assertEquals(10, o.myValue);
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// Regression test for issue 1884: Invoking any of the methods for Harmony
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// maps, sets, or weak maps, with a wrong type of receiver should be throwing
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// a proper TypeError.
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var alwaysBogus = [ undefined, null, true, "x", 23, {} ];
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var bogusReceiversTestSet = [
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{ proto: Set.prototype,
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funcs: [ 'add', 'has', 'delete' ],
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receivers: alwaysBogus.concat([ new Map, new WeakMap ]),
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},
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{ proto: Map.prototype,
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funcs: [ 'get', 'set', 'has', 'delete' ],
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receivers: alwaysBogus.concat([ new Set, new WeakMap ]),
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},
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{ proto: WeakMap.prototype,
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funcs: [ 'get', 'set', 'has', 'delete' ],
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receivers: alwaysBogus.concat([ new Set, new Map ]),
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},
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];
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function TestBogusReceivers(testSet) {
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for (var i = 0; i < testSet.length; i++) {
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var proto = testSet[i].proto;
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var funcs = testSet[i].funcs;
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var receivers = testSet[i].receivers;
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for (var j = 0; j < funcs.length; j++) {
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var func = proto[funcs[j]];
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for (var k = 0; k < receivers.length; k++) {
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assertThrows(function () { func.call(receivers[k], {}) }, TypeError);
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}
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}
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}
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}
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TestBogusReceivers(bogusReceiversTestSet);
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// Stress Test
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// There is a proposed stress-test available at the es-discuss mailing list
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// which cannot be reasonably automated. Check it out by hand if you like:
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// https://mail.mozilla.org/pipermail/es-discuss/2011-May/014096.html
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// Set and Map size getters
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var setSizeDescriptor = Object.getOwnPropertyDescriptor(Set.prototype, 'size');
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assertEquals(undefined, setSizeDescriptor.value);
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assertEquals(undefined, setSizeDescriptor.set);
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assertTrue(setSizeDescriptor.get instanceof Function);
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assertEquals(undefined, setSizeDescriptor.get.prototype);
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assertFalse(setSizeDescriptor.enumerable);
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assertTrue(setSizeDescriptor.configurable);
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var s = new Set();
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assertFalse(s.hasOwnProperty('size'));
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for (var i = 0; i < 10; i++) {
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assertEquals(i, s.size);
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s.add(i);
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}
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for (var i = 9; i >= 0; i--) {
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s.delete(i);
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assertEquals(i, s.size);
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}
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var mapSizeDescriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
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assertEquals(undefined, mapSizeDescriptor.value);
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assertEquals(undefined, mapSizeDescriptor.set);
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assertTrue(mapSizeDescriptor.get instanceof Function);
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assertEquals(undefined, mapSizeDescriptor.get.prototype);
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assertFalse(mapSizeDescriptor.enumerable);
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assertTrue(mapSizeDescriptor.configurable);
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var m = new Map();
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assertFalse(m.hasOwnProperty('size'));
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for (var i = 0; i < 10; i++) {
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assertEquals(i, m.size);
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m.set(i, i);
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}
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for (var i = 9; i >= 0; i--) {
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m.delete(i);
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assertEquals(i, m.size);
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}
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// Test Set clear
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(function() {
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var s = new Set();
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s.add(42);
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assertTrue(s.has(42));
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assertEquals(1, s.size);
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s.clear();
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assertFalse(s.has(42));
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assertEquals(0, s.size);
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})();
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// Test Map clear
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(function() {
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var m = new Map();
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m.set(42, true);
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assertTrue(m.has(42));
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assertEquals(1, m.size);
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m.clear();
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assertFalse(m.has(42));
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assertEquals(0, m.size);
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})();
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// Test WeakMap clear
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(function() {
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var k = new Object();
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var w = new WeakMap();
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w.set(k, 23);
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assertTrue(w.has(k));
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assertEquals(23, w.get(k));
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w.clear();
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assertFalse(w.has(k));
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assertEquals(undefined, w.get(k));
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})();
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