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// 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;
};
%PrepareFunctionForOptimization(foo);
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);
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