mirror of https://github.com/tc39/test262.git
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
// Copyright (C) 2017 Robin Templeton. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: BigInt stringify order of steps
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esid: sec-serializejsonproperty
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info: |
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Runtime Semantics: SerializeJSONProperty ( key, holder )
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2. If Type(value) is Object or BigInt, then
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a. Let toJSON be ? GetGetV(value, "toJSON").
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b. If IsCallable(toJSON) is true, then
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i. Set value to ? Call(toJSON, value, « key »).
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3. If ReplacerFunction is not undefined, then
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a. Set value to ? Call(ReplacerFunction, holder, « key, value »).
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4. If Type(value) is Object, then
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[...]
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d. Else if value has a [[BigIntData]] internal slot, then
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i. Set value to value.[[BigIntData]].
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[...]
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10. If Type(value) is BigInt, throw a TypeError exception
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features: [BigInt, arrow-function]
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---*/
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let step;
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function replacer(x, k, v)
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{
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assert.sameValue(step++, 1);
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assert.sameValue(v, 1n);
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return x;
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}
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BigInt.prototype.toJSON = function () { assert.sameValue(step++, 0); return 1n; };
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step = 0;
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assert.throws(TypeError, () => JSON.stringify(0n, (k, v) => replacer(2n, k, v)));
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assert.sameValue(step, 2);
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step = 0;
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assert.throws(TypeError, () => JSON.stringify(0n, (k, v) => replacer(Object(2n), k, v)));
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assert.sameValue(step, 2);
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