blob: 14dd17cad91a53ffb1ca747c39ce73cbaed37927 [file] [log] [blame]
function shouldThrow(func, errorMessage) {
var errorThrown = false;
var error = null;
try {
func();
} catch (e) {
errorThrown = true;
error = e;
}
if (!errorThrown)
throw new Error('not thrown');
if (String(error) !== errorMessage)
throw new Error(`bad error: ${String(error)}`);
}
if (Intl.PluralRules.prototype.selectRange) {
let pl = new Intl.PluralRules('en-US');
shouldThrow(() => {
pl.selectRange();
}, `TypeError: start or end is undefined`);
shouldThrow(() => {
pl.selectRange(0, undefined);
}, `TypeError: start or end is undefined`);
shouldThrow(() => {
pl.selectRange(undefined, 0);
}, `TypeError: start or end is undefined`);
shouldThrow(() => {
pl.selectRange(undefined, undefined);
}, `TypeError: start or end is undefined`);
shouldThrow(() => {
pl.selectRange(NaN, 0);
}, `RangeError: Passed numbers are out of range`);
shouldThrow(() => {
pl.selectRange(0, NaN);
}, `RangeError: Passed numbers are out of range`);
shouldThrow(() => {
pl.selectRange(NaN, NaN);
}, `RangeError: Passed numbers are out of range`);
shouldThrow(() => {
pl.selectRange(0, -0);
}, `RangeError: start is larger than end`);
}