/
string_decoder_test.ts
118 lines (94 loc) · 3.76 KB
/
string_decoder_test.ts
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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../testing/asserts.ts";
import { Buffer } from "./buffer.ts";
import { StringDecoder } from "./string_decoder.ts";
Deno.test({
name: "String decoder is encoding utf8 correctly",
fn() {
let decoder;
decoder = new StringDecoder("utf8");
assertEquals(decoder.write(Buffer.from("E1", "hex")), "");
assertEquals(decoder.end(), "\ufffd");
decoder = new StringDecoder("utf8");
assertEquals(decoder.write(Buffer.from("E18B", "hex")), "");
assertEquals(decoder.end(), "\ufffd");
decoder = new StringDecoder("utf8");
assertEquals(decoder.write(Buffer.from("\ufffd")), "\ufffd");
assertEquals(decoder.end(), "");
decoder = new StringDecoder("utf8");
assertEquals(
decoder.write(Buffer.from("\ufffd\ufffd\ufffd")),
"\ufffd\ufffd\ufffd",
);
assertEquals(decoder.end(), "");
decoder = new StringDecoder("utf8");
assertEquals(decoder.write(Buffer.from("EFBFBDE2", "hex")), "\ufffd");
assertEquals(decoder.end(), "\ufffd");
decoder = new StringDecoder("utf8");
assertEquals(decoder.write(Buffer.from("F1", "hex")), "");
assertEquals(decoder.write(Buffer.from("41F2", "hex")), "\ufffdA");
assertEquals(decoder.end(), "\ufffd");
decoder = new StringDecoder("utf8");
assertEquals(decoder.text(Buffer.from([0x41]), 2), "");
},
});
Deno.test({
name: "String decoder is encoding base64 correctly",
fn() {
let decoder;
decoder = new StringDecoder("base64");
assertEquals(decoder.write(Buffer.from("E1", "hex")), "4Q==");
assertEquals(decoder.end(), "4QAA");
decoder = new StringDecoder("base64");
assertEquals(decoder.write(Buffer.from("E18B", "hex")), "4Ys=");
assertEquals(decoder.end(), "4YsA");
decoder = new StringDecoder("base64");
assertEquals(decoder.write(Buffer.from("\ufffd")), "77+9");
assertEquals(decoder.end(), "");
decoder = new StringDecoder("base64");
assertEquals(
decoder.write(Buffer.from("\ufffd\ufffd\ufffd")),
"77+977+977+9",
);
assertEquals(decoder.end(), "");
decoder = new StringDecoder("base64");
assertEquals(decoder.write(Buffer.from("EFBFBDE2", "hex")), "77+94g==");
assertEquals(decoder.end(), "4gAA");
decoder = new StringDecoder("base64");
assertEquals(decoder.write(Buffer.from("F1", "hex")), "8Q==");
assertEquals(decoder.write(Buffer.from("41F2", "hex")), "8UHy");
assertEquals(decoder.end(), "");
decoder = new StringDecoder("base64");
assertEquals(decoder.text(Buffer.from([0x41]), 2), "QQ==");
},
});
Deno.test({
name: "String decoder is encoding hex correctly",
fn() {
let decoder;
decoder = new StringDecoder("hex");
assertEquals(decoder.write(Buffer.from("E1", "hex")), "e1");
assertEquals(decoder.end(), "");
decoder = new StringDecoder("hex");
assertEquals(decoder.write(Buffer.from("E18B", "hex")), "e18b");
assertEquals(decoder.end(), "");
decoder = new StringDecoder("hex");
assertEquals(decoder.write(Buffer.from("\ufffd")), "efbfbd");
assertEquals(decoder.end(), "");
decoder = new StringDecoder("hex");
assertEquals(
decoder.write(Buffer.from("\ufffd\ufffd\ufffd")),
"efbfbdefbfbdefbfbd",
);
assertEquals(decoder.end(), "");
decoder = new StringDecoder("hex");
assertEquals(decoder.write(Buffer.from("EFBFBDE2", "hex")), "efbfbde2");
assertEquals(decoder.end(), "");
decoder = new StringDecoder("hex");
assertEquals(decoder.write(Buffer.from("F1", "hex")), "f1");
assertEquals(decoder.write(Buffer.from("41F2", "hex")), "41f2");
assertEquals(decoder.end(), "");
decoder = new StringDecoder("hex");
assertEquals(decoder.text(Buffer.from([0x41]), 2), "");
},
});