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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.
(function CycleDetection() {
const arr = [
{
toLocaleString() {
return [1, arr];
}
}
];
assertSame('1,', arr.toLocaleString());
assertSame('1,', arr.toLocaleString());
})();
(function ThrowsError(){
function TestError() {}
const arr = [];
const obj = {
toLocaleString(){
throw new TestError();
}
};
arr[0] = obj;
assertThrows(() => arr.toLocaleString(), TestError);
// Verifies cycle detection still works properly after thrown error.
arr[0] = {
toLocaleString() {
return 1;
}
};
assertSame('1', arr.toLocaleString());
})();
(function AccessThrowsError(){
function TestError() {}
const arr = [];
const obj = {
get toLocaleString(){
throw new TestError();
}
};
arr[0] = obj;
assertThrows(() => arr.toLocaleString(), TestError);
// Verifies cycle detection still works properly after thrown error.
arr[0] = {
toLocaleString() {
return 1;
}
};
assertSame('1', arr.toLocaleString());
})();
(function NotCallable(){
const arr = [];
const obj = {
toLocaleString: 7
}
arr[0] = obj;
assertThrows(() => arr.toLocaleString(), TypeError, '7 is not a function');
// Verifies cycle detection still works properly after thrown error.
arr[0] = {
toLocaleString() {
return 1;
}
};
assertSame('1', arr.toLocaleString());
})();
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