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Issue 2096933002: Remove all harmony runtime flags which shipped in M51 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Review comments Created 4 years, 5 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 1 // Copyright 2016 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Flags: --harmony-instanceof
6
7 // Make sure it's an error if @@hasInstance isn't a function. 5 // Make sure it's an error if @@hasInstance isn't a function.
8 (function() { 6 (function() {
9 var F = {}; 7 var F = {};
10 F[Symbol.hasInstance] = null; 8 F[Symbol.hasInstance] = null;
11 assertThrows(function() { 0 instanceof F; }, TypeError); 9 assertThrows(function() { 0 instanceof F; }, TypeError);
12 })(); 10 })();
13 11
14 // Make sure the result is coerced to boolean. 12 // Make sure the result is coerced to boolean.
15 (function() { 13 (function() {
16 var F = {}; 14 var F = {};
(...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after
60 (function() { 58 (function() {
61 function F() {} 59 function F() {}
62 var counter = 0; 60 var counter = 0;
63 var proto = Object.getPrototypeOf(F); 61 var proto = Object.getPrototypeOf(F);
64 Object.setPrototypeOf(F, null); 62 Object.setPrototypeOf(F, null);
65 F[Symbol.hasInstance] = function(v) { ++counter; return true }; 63 F[Symbol.hasInstance] = function(v) { ++counter; return true };
66 Object.setPrototypeOf(F, proto); 64 Object.setPrototypeOf(F, proto);
67 assertTrue(1 instanceof F); 65 assertTrue(1 instanceof F);
68 assertEquals(1, counter); 66 assertEquals(1, counter);
69 })(); 67 })();
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