mirror of
https://github.com/denoland/deno.git
synced 2024-10-31 09:14:20 -04:00
101 lines
2.7 KiB
TypeScript
101 lines
2.7 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
|
||
import { test, assert, assertEquals } from "./test_util.ts";
|
||
|
||
test(function atobSuccess() {
|
||
const text = "hello world";
|
||
const encoded = btoa(text);
|
||
assertEquals(encoded, "aGVsbG8gd29ybGQ=");
|
||
});
|
||
|
||
test(function btoaSuccess() {
|
||
const encoded = "aGVsbG8gd29ybGQ=";
|
||
const decoded = atob(encoded);
|
||
assertEquals(decoded, "hello world");
|
||
});
|
||
|
||
test(function btoaFailed() {
|
||
const text = "你好";
|
||
let err;
|
||
try {
|
||
btoa(text);
|
||
} catch (e) {
|
||
err = e;
|
||
}
|
||
assert(!!err);
|
||
assertEquals(err.name, "InvalidInput");
|
||
});
|
||
|
||
test(function textDecoder2() {
|
||
// prettier-ignore
|
||
const fixture = new Uint8Array([
|
||
0xf0, 0x9d, 0x93, 0xbd,
|
||
0xf0, 0x9d, 0x93, 0xae,
|
||
0xf0, 0x9d, 0x94, 0x81,
|
||
0xf0, 0x9d, 0x93, 0xbd
|
||
]);
|
||
const decoder = new TextDecoder();
|
||
assertEquals(decoder.decode(fixture), "𝓽𝓮𝔁𝓽");
|
||
});
|
||
|
||
test(function textDecoderASCII() {
|
||
const fixture = new Uint8Array([0x89, 0x95, 0x9f, 0xbf]);
|
||
const decoder = new TextDecoder("ascii");
|
||
assertEquals(decoder.decode(fixture), "‰•Ÿ¿");
|
||
});
|
||
|
||
test(function textDecoderErrorEncoding() {
|
||
let didThrow = false;
|
||
try {
|
||
new TextDecoder("foo");
|
||
} catch (e) {
|
||
didThrow = true;
|
||
assertEquals(e.message, "The encoding label provided ('foo') is invalid.");
|
||
}
|
||
assert(didThrow);
|
||
});
|
||
|
||
test(function textEncoder2() {
|
||
const fixture = "𝓽𝓮𝔁𝓽";
|
||
const encoder = new TextEncoder();
|
||
// prettier-ignore
|
||
assertEquals(Array.from(encoder.encode(fixture)), [
|
||
0xf0, 0x9d, 0x93, 0xbd,
|
||
0xf0, 0x9d, 0x93, 0xae,
|
||
0xf0, 0x9d, 0x94, 0x81,
|
||
0xf0, 0x9d, 0x93, 0xbd
|
||
]);
|
||
});
|
||
|
||
test(function textDecoderSharedUint8Array() {
|
||
const ab = new SharedArrayBuffer(6);
|
||
const dataView = new DataView(ab);
|
||
const charCodeA = "A".charCodeAt(0);
|
||
for (let i = 0; i < ab.byteLength; i++) {
|
||
dataView.setUint8(i, charCodeA + i);
|
||
}
|
||
const ui8 = new Uint8Array(ab);
|
||
const decoder = new TextDecoder();
|
||
const actual = decoder.decode(ui8);
|
||
assertEquals(actual, "ABCDEF");
|
||
});
|
||
|
||
test(function textDecoderSharedInt32Array() {
|
||
const ab = new SharedArrayBuffer(8);
|
||
const dataView = new DataView(ab);
|
||
const charCodeA = "A".charCodeAt(0);
|
||
for (let i = 0; i < ab.byteLength; i++) {
|
||
dataView.setUint8(i, charCodeA + i);
|
||
}
|
||
const i32 = new Int32Array(ab);
|
||
const decoder = new TextDecoder();
|
||
const actual = decoder.decode(i32);
|
||
assertEquals(actual, "ABCDEFGH");
|
||
});
|
||
|
||
test(function toStringShouldBeWebCompatibility() {
|
||
const encoder = new TextEncoder();
|
||
assertEquals(encoder.toString(), "[object TextEncoder]");
|
||
|
||
const decoder = new TextDecoder();
|
||
assertEquals(decoder.toString(), "[object TextDecoder]");
|
||
});
|