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import { assertEquals, assertThrows } from "@std/assert";
import { describe, it } from "@std/testing/bdd";
import { bufferToBase } from "./bases.ts";
describe("bufferToBase", () => {
it("returns an empty string for an empty Uint8Array", () => {
assertEquals(bufferToBase(new Uint8Array([]), 16), "");
});
it("converts bytes to hexadecimal (base 16)", () => {
const input = new Uint8Array([0, 1, 15, 16, 255]);
const expected = "00010f10ff";
assertEquals(bufferToBase(input, 16), expected);
});
it("converts bytes to binary (base 2)", () => {
const input = new Uint8Array([255, 0, 1]);
const expected = "111111110000000000000001";
assertEquals(bufferToBase(input, 2), expected);
});
it("converts bytes to octal (base 8)", () => {
const input = new Uint8Array([8, 64, 255]);
const expected = "010100377";
assertEquals(bufferToBase(input, 8), expected);
});
it("throws on invalid base", () => {
assertThrows(() => bufferToBase(new Uint8Array([1, 2]), 1), RangeError);
assertThrows(() => bufferToBase(new Uint8Array([1, 2]), 37), RangeError);
});
});
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