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// |reftest| skip-if(!this.hasOwnProperty("Intl"))
const hourCycleToH12Map = {
"h11": true,
"h12": true,
"h23": false,
"h24": false,
};
for (const key of Object.keys(hourCycleToH12Map)) {
const langTag = "en-US";
const loc = `${langTag}-u-hc-${key}`;
const dtf = new Intl.DateTimeFormat(loc, {hour: "numeric"});
const dtf2 = new Intl.DateTimeFormat(langTag, {hour: "numeric", hourCycle: key});
assertEq(dtf.resolvedOptions().hourCycle, dtf2.resolvedOptions().hourCycle);
}
/* Legacy hour12 compatibility */
// When constructed with hourCycle option, resolvedOptions' hour12 is correct.
for (const key of Object.keys(hourCycleToH12Map)) {
const dtf = new Intl.DateTimeFormat("en-US", {hour: "numeric", hourCycle: key});
assertEq(dtf.resolvedOptions().hour12, hourCycleToH12Map[key]);
}
// When constructed with hour12 option, resolvedOptions' hourCycle is correct
for (const [key, value] of Object.entries(hourCycleToH12Map)) {
const dtf = new Intl.DateTimeFormat("en-US", {hour: "numeric", hour12: value});
assertEq(hourCycleToH12Map[dtf.resolvedOptions().hourCycle], value);
}
// When constructed with both hour12 and hourCycle options that don't match
// hour12 takes a precedence.
for (const [key, value] of Object.entries(hourCycleToH12Map)) {
const dtf = new Intl.DateTimeFormat("en-US", {
hour: "numeric",
hourCycle: key,
hour12: !value
});
assertEq(hourCycleToH12Map[dtf.resolvedOptions().hourCycle], !value);
assertEq(dtf.resolvedOptions().hour12, !value);
}
// When constructed with hourCycle as extkey, resolvedOptions' hour12 is correct.
for (const [key, value] of Object.entries(hourCycleToH12Map)) {
const langTag = "en-US";
const loc = `${langTag}-u-hc-${key}`;
const dtf = new Intl.DateTimeFormat(loc, {hour: "numeric"});
assertEq(dtf.resolvedOptions().hour12, value);
}
const expectedValuesENUS = {
h11: "0 AM",
h12: "12 AM",
h23: "00",
h24: "24"
};
const exampleDate = new Date(2017, 10-1, 10, 0);
for (const [key, val] of Object.entries(expectedValuesENUS)) {
assertEq(
Intl.DateTimeFormat("en-US", {hour: "numeric", hourCycle: key}).format(exampleDate),
val
);
}
const invalidHourCycleValues = [
"h28",
"f28",
];
for (const key of invalidHourCycleValues) {
const langTag = "en-US";
const loc = `${langTag}-u-hc-${key}`;
const dtf = new Intl.DateTimeFormat(loc, {hour: "numeric"});
assertEq(dtf.resolvedOptions().hour12, true); // default value for en-US
assertEq(dtf.resolvedOptions().hourCycle, "h12"); //default value for en-US
}
{
// hourCycle is not present in resolvedOptions when the formatter has no hour field
const options = Intl.DateTimeFormat("en-US", {hourCycle:"h11"}).resolvedOptions();
assertEq("hourCycle" in options, false);
assertEq("hour12" in options, false);
}
{
// Make sure that hourCycle option overrides the unicode extension
let dtf = Intl.DateTimeFormat("en-US-u-hc-h23", {hourCycle: "h24", hour: "numeric"});
assertEq(
dtf.resolvedOptions().hourCycle,
"h24"
);
}
{
// Make sure that hour12 option overrides the unicode extension
let dtf = Intl.DateTimeFormat("en-US-u-hc-h23", {hour12: true, hour: "numeric"});
assertEq(
dtf.resolvedOptions().hourCycle,
"h12"
);
}
{
// Make sure that hour12 option overrides hourCycle options
let dtf = Intl.DateTimeFormat("en-US",
{hourCycle: "h12", hour12: false, hour: "numeric"});
assertEq(
dtf.resolvedOptions().hourCycle,
"h23"
);
}
{
// Make sure that hour12 option overrides hourCycle options
let dtf = Intl.DateTimeFormat("en-u-hc-h11", {hour: "numeric"});
assertEq(
dtf.resolvedOptions().locale,
"en-u-hc-h11"
);
}
{
// Make sure that hour12 option overrides unicode extension
let dtf = Intl.DateTimeFormat("en-u-hc-h11", {hour: "numeric", hourCycle: "h24"});
assertEq(
dtf.resolvedOptions().locale,
"en"
);
assertEq(
dtf.resolvedOptions().hourCycle,
"h24"
);
}
if (typeof reportCompare === "function")
reportCompare(0, 0, "ok");