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 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");
Messung V0.5
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