2ed1eebe9f
R=rossberg BUG=v8:3931 LOG=n Review URL: https://codereview.chromium.org/1397443013 Cr-Commit-Position: refs/heads/master@{#31299}
102 lines
3.5 KiB
JavaScript
102 lines
3.5 KiB
JavaScript
// Copyright 2008-2015 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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// This is adapted from mjsunit/for-in.js.
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// Flags: --harmony-reflect
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function props(x) {
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var array = [];
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for (var p of Reflect.enumerate(x)) array.push(p);
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return array.sort();
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}
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assertEquals(0, props({}).length, "olen0");
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assertEquals(1, props({x:1}).length, "olen1");
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assertEquals(2, props({x:1, y:2}).length, "olen2");
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assertArrayEquals(["x"], props({x:1}), "x");
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assertArrayEquals(["x", "y"], props({x:1, y:2}), "xy");
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assertArrayEquals(["x", "y", "zoom"], props({x:1, y:2, zoom:3}), "xyzoom");
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assertEquals(0, props([]).length, "alen0");
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assertEquals(1, props([1]).length, "alen1");
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assertEquals(2, props([1,2]).length, "alen2");
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assertArrayEquals(["0"], props([1]), "0");
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assertArrayEquals(["0", "1"], props([1,2]), "01");
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assertArrayEquals(["0", "1", "2"], props([1,2,3]), "012");
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var o = {};
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var a = [];
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for (var i = 0x0020; i < 0x01ff; i+=2) {
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var s = 'char:' + String.fromCharCode(i);
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a.push(s);
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o[s] = i;
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}
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assertArrayEquals(a, props(o), "charcodes");
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var a = [];
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assertEquals(0, props(a).length, "proplen0");
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a[Math.pow(2,30)-1] = 0;
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assertEquals(1, props(a).length, "proplen1");
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a[Math.pow(2,31)-1] = 0;
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assertEquals(2, props(a).length, "proplen2");
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a[1] = 0;
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assertEquals(3, props(a).length, "proplen3");
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var result = '';
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for (var p of Reflect.enumerate({a : [0], b : 1})) { result += p; }
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assertEquals('ab', result, "ab");
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var result = '';
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for (var p of Reflect.enumerate({a : {v:1}, b : 1})) { result += p; }
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assertEquals('ab', result, "ab-nodeep");
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var result = '';
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for (var p of Reflect.enumerate({ get a() {}, b : 1})) { result += p; }
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assertEquals('ab', result, "abget");
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var result = '';
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for (var p of Reflect.enumerate({ get a() {}, set a(x) {}, b : 1})) {
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result += p;
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}
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assertEquals('ab', result, "abgetset");
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(function() {
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var large_key = 2147483650;
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var o = {__proto__: {}};
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o[large_key] = 1;
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o.__proto__[large_key] = 1;
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var keys = [];
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for (var k of Reflect.enumerate(o)) {
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keys.push(k);
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}
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assertEquals(["2147483650"], keys);
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})();
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