1dec9199ca
This should make access faster for arrays of functions. Review URL: http://codereview.chromium.org/2754003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4834 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
97 lines
3.4 KiB
JavaScript
97 lines
3.4 KiB
JavaScript
// Copyright 2010 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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// A test for keyed call ICs with a mix of smi and string keys.
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function testOne(receiver, key, result) {
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for(var i = 0; i != 10; i++ ) {
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assertEquals(result, receiver[key]());
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}
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}
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function testMany(receiver, keys, results) {
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for (var i = 0; i != 10; i++) {
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for (var k = 0; k != keys.length; k++) {
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assertEquals(results[k], receiver[keys[k]]());
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}
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}
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}
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var toStringNonSymbol = 'to';
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toStringNonSymbol += 'String';
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function TypeOfThis() { return typeof this; }
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Number.prototype.square = function() { return this * this; }
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Number.prototype.power4 = function() { return this.square().square(); }
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Number.prototype.type = TypeOfThis;
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String.prototype.type = TypeOfThis;
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Boolean.prototype.type = TypeOfThis;
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// Use a non-symbol key to force inline cache to generic case.
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testOne(0, toStringNonSymbol, '0');
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testOne(1, 'toString', '1');
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testOne('1', 'toString', '1');
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testOne(1.0, 'toString', '1');
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testOne(1, 'type', 'object');
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testOne(2.3, 'type', 'object');
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testOne('x', 'type', 'object');
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testOne(true, 'type', 'object');
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testOne(false, 'type', 'object');
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testOne(2, 'square', 4);
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testOne(2, 'power4', 16);
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function zero () { return 0; }
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function one () { return 1; }
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function two () { return 2; }
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var fixed_array = [zero, one, two];
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var dict_array = [ zero, one, two ];
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dict_array[100000] = 1;
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var fast_prop = { zero: zero, one: one, two: two };
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var normal_prop = { zero: zero, one: one, two: two };
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normal_prop.x = 0;
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delete normal_prop.x;
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var first3num = [0, 1, 2];
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var first3str = ['zero', 'one', 'two'];
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// Use a non-symbol key to force inline cache to generic case.
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testMany('123', [toStringNonSymbol, 'charAt', 'charCodeAt'], ['123', '1', 49]);
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testMany(fixed_array, first3num, first3num);
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testMany(dict_array, first3num, first3num);
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testMany(fast_prop, first3str, first3num);
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testMany(normal_prop, first3str, first3num);
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