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var BUGNUMBER = 1147817;
var summary = "RegExp constructor should check pattern.constructor.";
print(BUGNUMBER + ": " + summary);
var g = newGlobal();
var re = /foo/;
assertEq(RegExp(re), re);
re.constructor = 10;
assertEq(RegExp(re) === re, false);
assertEq(RegExp(re).toString(), re.toString());
// If pattern comes from different global, RegExp shouldn't return it.
re = g.eval(`var re = /foo/; re;`);
assertEq(RegExp(re) === re, false);
assertEq(RegExp(re).toString(), re.toString());
g.eval(`re.constructor = 10;`);
assertEq(RegExp(re) === re, false);
assertEq(RegExp(re).toString(), re.toString());
re = new Proxy(/a/, {
get(that, name) {
return that[name];
}
});
assertEq(RegExp(re), re);
re = new Proxy(/a/, {
get(that, name) {
if (name == "constructor") {
return function() {};
}
return that[name];
}
});
assertEq(RegExp(re) === re, false);
re = new Proxy(/a/, {
get(that, name) {
if (name == Symbol.match) {
return undefined;
}
return that[name];
}
});
assertEq(RegExp(re) === re, false);
re = new Proxy(g.eval(`/a/`), {
get(that, name) {
return that[name];
}
});
assertEq(RegExp(re) === re, false);
re = g.eval(`new Proxy(/a/, {
get(that, name) {
return that[name];
}
});`);
assertEq(RegExp(re) === re, false);
var obj = { [Symbol.match]: true, source: "foo", flags: "gi" };
assertEq(RegExp(obj) === obj, false);
assertEq(RegExp(obj).toString(), "/foo/gi");
obj.constructor = RegExp;
assertEq(RegExp(obj), obj);
obj = g.eval(`var obj = { [Symbol.match]: true, source: "foo", flags: "gi" }; obj;`);
assertEq(RegExp(obj) === obj, false);
assertEq(RegExp(obj).toString(), "/foo/gi");
g.eval(`obj.constructor = RegExp`);
assertEq(RegExp(obj) === obj, false);
obj.constructor = RegExp;
assertEq(RegExp(obj), obj);
if (typeof reportCompare === "function")
reportCompare(true, true);
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