deno.land / std@0.166.0 / encoding / hex_test.ts

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// Ported from Go// https://github.com/golang/go/blob/go1.12.5/src/encoding/hex/hex.go// Copyright 2009 The Go Authors. All rights reserved.// Use of this source code is governed by a BSD-style// license that can be found in the LICENSE file.// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import { assertEquals, assertThrows } from "../testing/asserts.ts";
import { decode, encode } from "./hex.ts";
const testCases = [ // encoded(hex) / decoded(Uint8Array) ["", []], ["0001020304050607", [0, 1, 2, 3, 4, 5, 6, 7]], ["08090a0b0c0d0e0f", [8, 9, 10, 11, 12, 13, 14, 15]], ["f0f1f2f3f4f5f6f7", [0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7]], ["f8f9fafbfcfdfeff", [0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff]], ["67", Array.from(new TextEncoder().encode("g"))], ["e3a1", [0xe3, 0xa1]],];
const errCases: [string, ErrorConstructor, string][] = [ // encoded(hex) / error / msg ["0", RangeError, ""], ["zd4aa", TypeError, "'z'"], ["d4aaz", TypeError, "'z'"], ["30313", RangeError, ""], ["0g", TypeError, "'g'"], ["00gg", TypeError, "'g'"], ["0\x01", TypeError, "'\x01'"], ["ffeed", RangeError, ""],];
Deno.test("[encoding.hex] encode", () => { { const srcStr = "abc"; const src = new TextEncoder().encode(srcStr); const dest = encode(src); assertEquals(src, new Uint8Array([97, 98, 99])); assertEquals(dest.length, 6); }
for (const [enc, dec] of testCases) { const src = new Uint8Array(dec as number[]); const dest = encode(src); assertEquals(dest.length, src.length * 2); assertEquals(new TextDecoder().decode(dest), enc); }});
Deno.test("[encoding.hex] decode", () => { // Case for decoding uppercase hex characters, since // Encode always uses lowercase. const extraTestcase = [ ["F8F9FAFBFCFDFEFF", [0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff]], ];
const cases = testCases.concat(extraTestcase);
for (const [enc, dec] of cases) { const src = new TextEncoder().encode(enc as string); const dest = decode(src); assertEquals(Array.from(dest), Array.from(dec as number[])); }});
Deno.test("[encoding.hex] decode error", () => { for (const [input, expectedErr, msg] of errCases) { assertThrows( () => decode(new TextEncoder().encode(input)), expectedErr, msg, ); }});
std
Deno standard library
GitHub Repositorydenoland/deno_std
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Tagged at
2 months ago