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Add missing edge case tests for resolveZone

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Co-authored-by: Horizontal42 <75383519+Horizontal42@users.noreply.github.com>
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google-labs-jules[bot] 2026-10-07 04:00:50 +00:00
parent bede889ced
commit 0961af12f0
1 changed files with 21 additions and 0 deletions
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21
src/engine/datetime.test.ts
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@ -58,6 +58,27 @@ describe("datetime", () => {
expect(resolveZone(["london"])).toBe("Europe/London");
expect(resolveZone(["tokyo"])).toBe("Asia/Tokyo");
expect(resolveZone(["buenos", "aires"])).toBe("America/Argentina/Buenos_Aires");
expect(resolveZone(["ho", "chi", "minh"])).toBe("Asia/Ho_Chi_Minh");
});
it("should resolve longest prefix when trailing words are present", () => {
expect(resolveZone(["new", "york", "city"])).toBe("America/New_York");
expect(resolveZone(["utc", "time"])).toBe("UTC");
expect(resolveZone(["london", "england"])).toBe("Europe/London");
});
it("should handle 'local' even with extra words", () => {
const mockResolvedOptions = vi.fn().mockReturnValue({ timeZone: "America/Los_Angeles" });
const mockDateTimeFormat = vi.spyOn(Intl, "DateTimeFormat").mockImplementation(() => ({
resolvedOptions: mockResolvedOptions,
}) as any);
expect(resolveZone(["local", "time"])).toBe("America/Los_Angeles");
mockDateTimeFormat.mockRestore();
});
it("should handle empty arrays gracefully", () => {
expect(resolveZone([])).toBeNull();
});
it("should resolve russian cities", () => {