mirror of
https://github.com/tc39/test262.git
synced 2025-10-31 11:44:31 +01:00
32 lines
982 B
JavaScript
32 lines
982 B
JavaScript
// Copyright 2018 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.
|
|
|
|
// Flags: --allow-natives-syntax
|
|
|
|
// Collect the actual properties looked up on the Proxy.
|
|
const actual = [];
|
|
|
|
// Perform a relational comparison with a Proxy on the right hand
|
|
// side and a Symbol which cannot be turned into a Number on the
|
|
// left hand side.
|
|
function foo() {
|
|
actual.length = 0;
|
|
const lhs = Symbol();
|
|
const rhs = new Proxy({}, {
|
|
get: function(target, property, receiver) {
|
|
actual.push(property);
|
|
return undefined;
|
|
}
|
|
});
|
|
return lhs < rhs;
|
|
}
|
|
|
|
assertThrows(foo, TypeError);
|
|
assertEquals([Symbol.toPrimitive, 'valueOf', 'toString'], actual);
|
|
assertThrows(foo, TypeError);
|
|
assertEquals([Symbol.toPrimitive, 'valueOf', 'toString'], actual);
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertThrows(foo, TypeError);
|
|
assertEquals([Symbol.toPrimitive, 'valueOf', 'toString'], actual);
|