269840c496
Initial fix was simply wrong. R=verwaest@chromium.org BUG=v8:4524 LOG=N Review URL: https://codereview.chromium.org/1688163003 Cr-Commit-Position: refs/heads/master@{#33896}
47 lines
981 B
JavaScript
47 lines
981 B
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
var log = [];
|
|
|
|
var fake =
|
|
{
|
|
get source() {
|
|
log.push("p");
|
|
return {
|
|
toString: function() {
|
|
log.push("ps");
|
|
return "pattern";
|
|
}
|
|
};
|
|
},
|
|
get flags() {
|
|
log.push("f");
|
|
return {
|
|
toString: function() {
|
|
log.push("fs");
|
|
return "flags";
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
function testThrows(x) {
|
|
try {
|
|
RegExp.prototype.toString.call(x);
|
|
} catch (e) {
|
|
assertTrue(/incompatible receiver/.test(e.message));
|
|
return;
|
|
}
|
|
assertUnreachable();
|
|
}
|
|
|
|
testThrows(1);
|
|
testThrows(null);
|
|
Number.prototype.source = "a";
|
|
Number.prototype.flags = "b";
|
|
testThrows(1);
|
|
|
|
assertEquals("/pattern/flags", RegExp.prototype.toString.call(fake));
|
|
assertEquals(["p", "ps", "f", "fs"], log);
|