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// Copyright 2019 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.
// Test default.
let nf = new Intl.NumberFormat();
assertEquals("auto", nf.resolvedOptions().signDisplay);
nf = new Intl.NumberFormat("en");
assertEquals("auto", nf.resolvedOptions().signDisplay);
const testData = [
["auto", "-123", "-0", "0", "123"],
["always", "-123", "-0", "+0", "+123"],
["never", "123", "0", "0", "123"],
["exceptZero", "-123", "-0", "0", "+123"],
];
for (const [signDisplay, neg, negZero, zero, pos] of testData) {
nf = new Intl.NumberFormat("en", {signDisplay});
assertEquals(signDisplay, nf.resolvedOptions().signDisplay);
assertEquals(neg, nf.format(-123));
assertEquals(negZero, nf.format(-0));
assertEquals(zero, nf.format(0));
assertEquals(pos, nf.format(123));
}
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