text: // Copyright 2019 Igalia, S.L. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  esid: sec-intl.numberformat.prototype.formattoparts
  description: Checks handling of the compactDisplay option to the NumberFormat constructor.
  locale: [zh-TW]
  features: [Intl.NumberFormat-unified]
  ---*/
  
  function verifyFormatParts(actual, expected, message) {
    assert.sameValue(Array.isArray(expected), true, `${message}: expected is Array`);
    assert.sameValue(Array.isArray(actual), true, `${message}: actual is Array`);
    assert.sameValue(actual.length, expected.length, `${message}: length`);
  
    for (let i = 0; i < actual.length; ++i) {
      assert.sameValue(actual[i].type, expected[i].type, `${message}: parts[${i}].type`);
      assert.sameValue(actual[i].value, expected[i].value, `${message}: parts[${i}].value`);
    }
  }
  
  const tests = [
    [
      "auto",
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
    ],
    [
      "always",
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"plusSign","value":"+"},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"plusSign","value":"+"},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"plusSign","value":"+"},{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
    ],
    [
      "never",
      [{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
    ],
    [
      "exceptZero",
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
      [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"plusSign","value":"+"},{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
      [{"type":"plusSign","value":"+"},{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
    ],
  ];
  
  for (const [signDisplay, negative, negativeNearZero, negativeZero, zero, positiveNearZero, positive] of tests) {
    const nf = new Intl.NumberFormat("zh-TW", { style: "currency", currency: "USD", currencySign: "accounting", signDisplay });
    verifyFormatParts(nf.formatToParts(-987), negative);
    verifyFormatParts(nf.formatToParts(-0.0001), negativeNearZero);
    verifyFormatParts(nf.formatToParts(-0), negativeZero);
    verifyFormatParts(nf.formatToParts(0), zero);
    verifyFormatParts(nf.formatToParts(0.0001), positiveNearZero);
    verifyFormatParts(nf.formatToParts(987), positive);
  }
  
  