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LibJS: Implement the Intl.RelativeTimeFormat constructor
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4 changed files with 168 additions and 1 deletions
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@ -7,10 +7,90 @@ describe("errors", () => {
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"Intl.RelativeTimeFormat constructor must be called with 'new'"
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);
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});
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test("structurally invalid tag", () => {
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expect(() => {
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new Intl.RelativeTimeFormat("root");
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}).toThrowWithMessage(RangeError, "root is not a structurally valid language tag");
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expect(() => {
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new Intl.RelativeTimeFormat("en-");
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}).toThrowWithMessage(RangeError, "en- is not a structurally valid language tag");
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expect(() => {
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new Intl.RelativeTimeFormat("Latn");
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}).toThrowWithMessage(RangeError, "Latn is not a structurally valid language tag");
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expect(() => {
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new Intl.RelativeTimeFormat("en-u-aa-U-aa");
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}).toThrowWithMessage(RangeError, "en-u-aa-U-aa is not a structurally valid language tag");
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});
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test("options is an invalid type", () => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", null);
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}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
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});
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test("localeMatcher option is invalid", () => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", { localeMatcher: "hello!" });
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}).toThrowWithMessage(RangeError, "hello! is not a valid value for option localeMatcher");
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});
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test("numberingSystem option is invalid", () => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", { numberingSystem: "hello!" });
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}).toThrowWithMessage(RangeError, "hello! is not a valid value for option numberingSystem");
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});
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test("style option is invalid", () => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", { style: "hello!" });
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}).toThrowWithMessage(RangeError, "hello! is not a valid value for option style");
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});
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test("numeric option is invalid", () => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", { numeric: "hello!" });
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}).toThrowWithMessage(RangeError, "hello! is not a valid value for option numeric");
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});
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});
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describe("normal behavior", () => {
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test("length is 0", () => {
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expect(Intl.RelativeTimeFormat).toHaveLength(0);
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});
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test("all valid localeMatcher options", () => {
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["lookup", "best fit"].forEach(localeMatcher => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", { localeMatcher: localeMatcher });
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}).not.toThrow();
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});
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});
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test("valid numberingSystem options", () => {
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["latn", "arab", "abc-def-ghi"].forEach(numberingSystem => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", { numberingSystem: numberingSystem });
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}).not.toThrow();
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});
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});
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test("all valid style options", () => {
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["long", "short", "narrow"].forEach(style => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", { style: style });
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}).not.toThrow();
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});
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});
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test("all valid numeric options", () => {
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["always", "auto"].forEach(numeric => {
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expect(() => {
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new Intl.RelativeTimeFormat("en", { numeric: numeric });
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}).not.toThrow();
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});
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});
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});
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