| // 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: Checks the handling of invalid value arguments to Intl.RelativeTimeFormat.prototype.format(). |
| info: | |
| Intl.RelativeTimeFormat.prototype.format( value, unit ) |
| |
| 3. Let value be ? ToNumber(value). |
| |
| features: [Intl.RelativeTimeFormat] |
| ---*/ |
| |
| const rtf = new Intl.RelativeTimeFormat("en-US"); |
| |
| assert.sameValue(typeof rtf.format, "function", "format should be supported"); |
| |
| const symbol = Symbol(); |
| assert.throws(TypeError, () => rtf.format(symbol, "second")); |
