|
import { firstLetter } from "./firstLetter";
|
|
|
|
describe("first-letter", () => {
|
|
it.each<[string, string]>([
|
|
["", ""],
|
|
["User", "U"],
|
|
["test", "T"],
|
|
])(`firstLetter(%p) returns %p`, (input, expected) => {
|
|
expect(firstLetter(input)).toBe(expected);
|
|
});
|
|
});
|