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abd9610530
This commit removes "Deno.core" namespace. It is strictly private API that has no stability guarantees, we were supposed to remove it long time ago. Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>
321 lines
8.2 KiB
TypeScript
321 lines
8.2 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import { assert, assertEquals, assertThrows } from "./test_util.ts";
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Deno.test(function btoaSuccess() {
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const text = "hello world";
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const encoded = btoa(text);
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assertEquals(encoded, "aGVsbG8gd29ybGQ=");
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});
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Deno.test(function atobSuccess() {
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const encoded = "aGVsbG8gd29ybGQ=";
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const decoded = atob(encoded);
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assertEquals(decoded, "hello world");
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});
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Deno.test(function atobWithAsciiWhitespace() {
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const encodedList = [
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" aGVsbG8gd29ybGQ=",
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" aGVsbG8gd29ybGQ=",
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"aGVsbG8gd29ybGQ= ",
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"aGVsbG8gd29ybGQ=\n",
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"aGVsbG\t8gd29ybGQ=",
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`aGVsbG\t8g
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d29ybGQ=`,
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];
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for (const encoded of encodedList) {
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const decoded = atob(encoded);
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assertEquals(decoded, "hello world");
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}
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});
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Deno.test(function atobThrows() {
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let threw = false;
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try {
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atob("aGVsbG8gd29ybGQ==");
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} catch (_e) {
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threw = true;
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}
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assert(threw);
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});
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Deno.test(function atobThrows2() {
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let threw = false;
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try {
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atob("aGVsbG8gd29ybGQ===");
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} catch (_e) {
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threw = true;
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}
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assert(threw);
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});
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Deno.test(function atobThrows3() {
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let threw = false;
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try {
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atob("foobar!!");
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} catch (e) {
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if (
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e instanceof DOMException &&
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e.toString().startsWith("InvalidCharacterError:")
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) {
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threw = true;
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}
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}
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assert(threw);
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});
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Deno.test(function btoaFailed() {
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const text = "你好";
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assertThrows(() => {
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btoa(text);
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}, DOMException);
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});
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Deno.test(function textDecoder2() {
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// deno-fmt-ignore
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const fixture = new Uint8Array([
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0xf0, 0x9d, 0x93, 0xbd,
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0xf0, 0x9d, 0x93, 0xae,
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0xf0, 0x9d, 0x94, 0x81,
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0xf0, 0x9d, 0x93, 0xbd
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]);
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const decoder = new TextDecoder();
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assertEquals(decoder.decode(fixture), "𝓽𝓮𝔁𝓽");
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});
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// ignoreBOM is tested through WPT
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Deno.test(function textDecoderASCII() {
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const fixture = new Uint8Array([0x89, 0x95, 0x9f, 0xbf]);
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const decoder = new TextDecoder("ascii");
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assertEquals(decoder.decode(fixture), "‰•Ÿ¿");
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});
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Deno.test(function textDecoderErrorEncoding() {
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let didThrow = false;
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try {
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new TextDecoder("Foo");
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} catch (e) {
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didThrow = true;
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assert(e instanceof Error);
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assertEquals(e.message, "The encoding label provided ('Foo') is invalid.");
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}
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assert(didThrow);
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});
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Deno.test(function textEncoder() {
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const fixture = "𝓽𝓮𝔁𝓽";
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const encoder = new TextEncoder();
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// deno-fmt-ignore
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assertEquals(Array.from(encoder.encode(fixture)), [
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0xf0, 0x9d, 0x93, 0xbd,
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0xf0, 0x9d, 0x93, 0xae,
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0xf0, 0x9d, 0x94, 0x81,
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0xf0, 0x9d, 0x93, 0xbd
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]);
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});
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Deno.test(function textEncodeInto() {
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const fixture = "text";
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const encoder = new TextEncoder();
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const bytes = new Uint8Array(5);
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const result = encoder.encodeInto(fixture, bytes);
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assertEquals(result.read, 4);
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assertEquals(result.written, 4);
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// deno-fmt-ignore
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assertEquals(Array.from(bytes), [
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0x74, 0x65, 0x78, 0x74, 0x00,
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]);
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});
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Deno.test(function textEncodeInto2() {
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const fixture = "𝓽𝓮𝔁𝓽";
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const encoder = new TextEncoder();
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const bytes = new Uint8Array(17);
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const result = encoder.encodeInto(fixture, bytes);
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assertEquals(result.read, 8);
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assertEquals(result.written, 16);
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// deno-fmt-ignore
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assertEquals(Array.from(bytes), [
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0xf0, 0x9d, 0x93, 0xbd,
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0xf0, 0x9d, 0x93, 0xae,
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0xf0, 0x9d, 0x94, 0x81,
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0xf0, 0x9d, 0x93, 0xbd, 0x00,
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]);
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});
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Deno.test(function textEncodeInto3() {
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const fixture = "𝓽𝓮𝔁𝓽";
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const encoder = new TextEncoder();
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const bytes = new Uint8Array(5);
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const result = encoder.encodeInto(fixture, bytes);
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assertEquals(result.read, 2);
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assertEquals(result.written, 4);
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// deno-fmt-ignore
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assertEquals(Array.from(bytes), [
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0xf0, 0x9d, 0x93, 0xbd, 0x00,
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]);
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});
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Deno.test(function loneSurrogateEncodeInto() {
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const fixture = "lone𝄞\ud888surrogate";
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const encoder = new TextEncoder();
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const bytes = new Uint8Array(20);
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const result = encoder.encodeInto(fixture, bytes);
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assertEquals(result.read, 16);
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assertEquals(result.written, 20);
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// deno-fmt-ignore
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assertEquals(Array.from(bytes), [
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0x6c, 0x6f, 0x6e, 0x65,
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0xf0, 0x9d, 0x84, 0x9e,
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0xef, 0xbf, 0xbd, 0x73,
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0x75, 0x72, 0x72, 0x6f,
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0x67, 0x61, 0x74, 0x65
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]);
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});
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Deno.test(function loneSurrogateEncodeInto2() {
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const fixture = "\ud800";
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const encoder = new TextEncoder();
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const bytes = new Uint8Array(3);
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const result = encoder.encodeInto(fixture, bytes);
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assertEquals(result.read, 1);
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assertEquals(result.written, 3);
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// deno-fmt-ignore
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assertEquals(Array.from(bytes), [
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0xef, 0xbf, 0xbd
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]);
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});
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Deno.test(function loneSurrogateEncodeInto3() {
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const fixture = "\udc00";
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const encoder = new TextEncoder();
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const bytes = new Uint8Array(3);
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const result = encoder.encodeInto(fixture, bytes);
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assertEquals(result.read, 1);
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assertEquals(result.written, 3);
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// deno-fmt-ignore
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assertEquals(Array.from(bytes), [
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0xef, 0xbf, 0xbd
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]);
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});
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Deno.test(function swappedSurrogatePairEncodeInto4() {
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const fixture = "\udc00\ud800";
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const encoder = new TextEncoder();
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const bytes = new Uint8Array(8);
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const result = encoder.encodeInto(fixture, bytes);
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assertEquals(result.read, 2);
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assertEquals(result.written, 6);
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// deno-fmt-ignore
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assertEquals(Array.from(bytes), [
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0xef, 0xbf, 0xbd, 0xef, 0xbf, 0xbd, 0x00, 0x00
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]);
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});
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Deno.test(function textDecoderSharedUint8Array() {
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const ab = new SharedArrayBuffer(6);
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const dataView = new DataView(ab);
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const charCodeA = "A".charCodeAt(0);
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for (let i = 0; i < ab.byteLength; i++) {
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dataView.setUint8(i, charCodeA + i);
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}
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const ui8 = new Uint8Array(ab);
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const decoder = new TextDecoder();
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const actual = decoder.decode(ui8);
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assertEquals(actual, "ABCDEF");
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});
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Deno.test(function textDecoderSharedInt32Array() {
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const ab = new SharedArrayBuffer(8);
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const dataView = new DataView(ab);
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const charCodeA = "A".charCodeAt(0);
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for (let i = 0; i < ab.byteLength; i++) {
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dataView.setUint8(i, charCodeA + i);
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}
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const i32 = new Int32Array(ab);
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const decoder = new TextDecoder();
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const actual = decoder.decode(i32);
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assertEquals(actual, "ABCDEFGH");
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});
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Deno.test(function toStringShouldBeWebCompatibility() {
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const encoder = new TextEncoder();
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assertEquals(encoder.toString(), "[object TextEncoder]");
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const decoder = new TextDecoder();
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assertEquals(decoder.toString(), "[object TextDecoder]");
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});
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Deno.test(function textEncoderShouldCoerceToString() {
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const encoder = new TextEncoder();
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const fixutreText = "text";
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const fixture = {
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toString() {
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return fixutreText;
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},
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};
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const bytes = encoder.encode(fixture as unknown as string);
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const decoder = new TextDecoder();
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const decoded = decoder.decode(bytes);
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assertEquals(decoded, fixutreText);
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});
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Deno.test(function binaryEncode() {
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// @ts-ignore: Deno[Deno.internal].core allowed
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const ops = Deno[Deno.internal].core.ops;
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function asBinaryString(bytes: Uint8Array): string {
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return Array.from(bytes).map(
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(v: number) => String.fromCodePoint(v),
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).join("");
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}
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function decodeBinary(binaryString: string) {
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const chars: string[] = Array.from(binaryString);
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return chars.map((v: string): number | undefined => v.codePointAt(0));
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}
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// invalid utf-8 code points
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const invalid = new Uint8Array([0xC0]);
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assertEquals(
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ops.op_encode_binary_string(invalid),
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asBinaryString(invalid),
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);
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const invalid2 = new Uint8Array([0xC1]);
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assertEquals(
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ops.op_encode_binary_string(invalid2),
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asBinaryString(invalid2),
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);
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for (let i = 0, j = 255; i <= 255; i++, j--) {
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const bytes = new Uint8Array([i, j]);
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const binaryString = ops.op_encode_binary_string(bytes);
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assertEquals(
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binaryString,
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asBinaryString(bytes),
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);
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assertEquals(Array.from(bytes), decodeBinary(binaryString));
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}
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const inputs = [
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"σ😀",
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"Кириллица is Cyrillic",
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"𝓽𝓮𝔁𝓽",
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"lone𝄞\ud888surrogate",
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"\udc00\ud800",
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"\ud800",
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];
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for (const input of inputs) {
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const bytes = new TextEncoder().encode(input);
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const binaryString = ops.op_encode_binary_string(bytes);
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assertEquals(
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binaryString,
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asBinaryString(bytes),
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);
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assertEquals(Array.from(bytes), decodeBinary(binaryString));
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}
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});
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