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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.ListFormat.prototype.format
description: >
Checks the behavior of Intl.ListFormat.prototype.format() in English.
features: [Intl.ListFormat]
locale: [en-US]
---*/
function CustomIterator(array) {
this.i = 0;
this.array = array;
}
CustomIterator.prototype[Symbol.iterator] = function() {
return this;
}
CustomIterator.prototype.next = function() {
if (this.i >= this.array.length) {
return {
"done": true,
};
}
return {
"value": this.array[this.i++],
"done": false,
};
}
const transforms = [
a => a,
a => a[Symbol.iterator](),
a => new CustomIterator(a),
];
const lf = new Intl.ListFormat("en-US", {
"style": "short",
});
assert.sameValue(typeof lf.format, "function", "format should be supported");
for (const f of transforms) {
assert.sameValue(lf.format(f([])), "");
assert.sameValue(lf.format(f(["foo"])), "foo");
assert.sameValue(lf.format(f(["foo", "bar"])), "foo & bar");
assert.sameValue(lf.format(f(["foo", "bar", "baz"])), "foo, bar, & baz");
assert.sameValue(lf.format(f(["foo", "bar", "baz", "quux"])), "foo, bar, baz, & quux");
}
assert.sameValue(lf.format("foo"), "f, o, & o");
reportCompare(0, 0);
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