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// Copyright 2018 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-Intl.RelativeTimeFormat.prototype.format
description: Verifies the branding check for the "format" function of the RelativeTimeFormat prototype object.
info: |
Intl.RelativeTimeFormat.prototype.format( value, unit )
2. If Type(relativeTimeFormat) is not Object or relativeTimeFormat does not have an [[InitializedRelativeTimeFormat]] internal slot whose value is true, throw a TypeError exception.
features: [Intl.RelativeTimeFormat]
---*/
const format = Intl.RelativeTimeFormat.prototype.format;
assert.sameValue(typeof format, "function");
assert.throws(TypeError, () => format.call(undefined), "undefined");
assert.throws(TypeError, () => format.call(null), "null");
assert.throws(TypeError, () => format.call(true), "true");
assert.throws(TypeError, () => format.call(""), "empty string");
assert.throws(TypeError, () => format.call(Symbol()), "symbol");
assert.throws(TypeError, () => format.call(1), "1");
assert.throws(TypeError, () => format.call({}), "plain object");
assert.throws(TypeError, () => format.call(Intl.RelativeTimeFormat), "Intl.RelativeTimeFormat");
assert.throws(TypeError, () => format.call(Intl.RelativeTimeFormat.prototype), "Intl.RelativeTimeFormat.prototype");
reportCompare(0, 0);
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