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// |reftest| skip-if(!this.hasOwnProperty("Intl"))
const {
Nan, Inf, Integer, MinusSign, PlusSign, Decimal, Fraction, Group,
ExponentSeparator, ExponentInteger, ExponentMinusSign,
} = NumberFormatParts;
const testcases = [
{
locale: "en",
options: {
notation: "engineering",
},
values: [
{value: +0, string: "0E0", parts: [Integer("0"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: -0, string: "-0E0", parts: [MinusSign("-"), Integer("0"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: 0n, string: "0E0", parts: [Integer("0"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: 1, string: "1E0", parts: [Integer("1"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: 10, string: "10E0", parts: [Integer("10"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: 100, string: "100E0", parts: [Integer("100"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: 1000, string: "1E3", parts: [Integer("1"), ExponentSeparator("E"), ExponentInteger("3")]},
{value: 10000, string: "10E3", parts: [Integer("10"), ExponentSeparator("E"), ExponentInteger("3")]},
{value: 100000, string: "100E3", parts: [Integer("100"), ExponentSeparator("E"), ExponentInteger("3")]},
{value: 1000000, string: "1E6", parts: [Integer("1"), ExponentSeparator("E"), ExponentInteger("6")]},
{value: 1n, string: "1E0", parts: [Integer("1"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: 10n, string: "10E0", parts: [Integer("10"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: 100n, string: "100E0", parts: [Integer("100"), ExponentSeparator("E"), ExponentInteger("0")]},
{value: 1000n, string: "1E3", parts: [Integer("1"), ExponentSeparator("E"), ExponentInteger("3")]},
{value: 10000n, string: "10E3", parts: [Integer("10"), ExponentSeparator("E"), ExponentInteger("3")]},
{value: 100000n, string: "100E3", parts: [Integer("100"), ExponentSeparator("E"), ExponentInteger("3")]},
{value: 1000000n, string: "1E6", parts: [Integer("1"), ExponentSeparator("E"), ExponentInteger("6")]},
{value: 0.1, string: "100E-3", parts: [Integer("100"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("3")]},
{value: 0.01, string: "10E-3", parts: [Integer("10"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("3")]},
{value: 0.001, string: "1E-3", parts: [Integer("1"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("3")]},
{value: 0.0001, string: "100E-6", parts: [Integer("100"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("6")]},
{value: 0.00001, string: "10E-6", parts: [Integer("10"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("6")]},
{value: 0.000001, string: "1E-6", parts: [Integer("1"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("6")]},
{value: 0.0000001, string: "100E-9", parts: [Integer("100"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("9")]},
{value: Infinity, string: "∞", parts: [Inf("∞")]},
{value: -Infinity, string: "-∞", parts: [MinusSign("-"), Inf("∞")]},
{value: NaN, string: "NaN", parts: [Nan("NaN")]},
{value: -NaN, string: "NaN", parts: [Nan("NaN")]},
],
},
// Exponent modifications take place early, so while in the "standard" notation
// `Intl.NumberFormat("en", {maximumFractionDigits: 0}).format(0.1)` returns "0", for
// "engineering" notation the result string is not "0", but instead "100E-3".
{
locale: "en",
options: {
notation: "engineering",
maximumFractionDigits: 0,
},
values: [
{value: 0.1, string: "100E-3", parts: [
Integer("100"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("3")
]},
],
},
{
locale: "en",
options: {
notation: "engineering",
minimumFractionDigits: 4,
},
values: [
{value: 10, string: "10.0000E0", parts: [
Integer("10"), Decimal("."), Fraction("0000"), ExponentSeparator("E"), ExponentInteger("0")
]},
{value: 0.1, string: "100.0000E-3", parts: [
Integer("100"), Decimal("."), Fraction("0000"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("3")
]},
],
},
{
locale: "en",
options: {
notation: "engineering",
minimumIntegerDigits: 4,
},
values: [
{value: 10, string: "0,010E0", parts: [
Integer("0"), Group(","), Integer("010"), ExponentSeparator("E"), ExponentInteger("0")
]},
{value: 0.1, string: "0,100E-3", parts: [
Integer("0"), Group(","), Integer("100"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("3")
]},
],
},
{
locale: "en",
options: {
notation: "engineering",
minimumSignificantDigits: 4,
},
values: [
{value: 10, string: "10.00E0", parts: [
Integer("10"), Decimal("."), Fraction("00"), ExponentSeparator("E"), ExponentInteger("0")
]},
{value: 0.1, string: "100.0E-3", parts: [
Integer("100"), Decimal("."), Fraction("0"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("3")
]},
],
},
{
locale: "en",
options: {
notation: "engineering",
maximumSignificantDigits: 1,
},
values: [
{value: 12, string: "10E0", parts: [
Integer("10"), ExponentSeparator("E"), ExponentInteger("0")
]},
{value: 0.12, string: "100E-3", parts: [
Integer("100"), ExponentSeparator("E"), ExponentMinusSign("-"), ExponentInteger("3")
]},
],
},
];
runNumberFormattingTestcases(testcases);
if (typeof reportCompare === "function")
reportCompare(true, true);
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