Source code
Revision control
Copy as Markdown
Other Tools
var BUGNUMBER = 1054755;
var summary = 'String.prototype.{startsWith,endsWith,includes} should call IsRegExp.';
print(BUGNUMBER + ": " + summary);
for (var method of ["startsWith", "endsWith", "includes"]) {
for (var re of [/foo/, new RegExp()]) {
assertThrowsInstanceOf(() => "foo"[method](re), TypeError);
re[Symbol.match] = false;
"foo"[method](re);
}
for (var v1 of [true, 1, "bar", [], {}, Symbol.iterator]) {
assertThrowsInstanceOf(() => "foo"[method]({ [Symbol.match]: v1 }), TypeError);
}
for (var v2 of [false, 0, undefined, ""]) {
"foo"[method]({ [Symbol.match]: v2 });
}
}
if (typeof reportCompare === "function")
reportCompare(true, true);