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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.// This code has been ported almost directly from Go's src/bytes/buffer_test.go// Copyright 2009 The Go Authors. All rights reserved. BSD license.// https://github.com/golang/go/blob/master/LICENSEimport { assertEquals } from "../testing/asserts.ts";import { readStringDelim } from "./read_string_delim.ts";import { StringReader } from "./string_reader.ts";
Deno.test("[io] readStringDelim basic", async () => {  const delim = "!#$%&()=~";  const exp = [    "",    "a",    "bc",    "def",    "",    "!",    "!#",    "!#$%&()=",    "#$%&()=~",    "",    "",  ];  const str = exp.join(delim);  const arr: string[] = [];  for await (const v of readStringDelim(new StringReader(str), delim)) {    arr.push(v);  }  assertEquals(arr, exp);});
Deno.test("[io] readStringDelim bigger delim than buf size", async () => {  // 0123456789...  const delim = Array.from({ length: 1025 }).map((_, i) => i % 10).join("");  const exp = ["", "a", "bc", "def", "01", "012345678", "123456789", "", ""];  const str = exp.join(delim);  const arr: string[] = [];  for await (const v of readStringDelim(new StringReader(str), delim)) {    arr.push(v);  }  assertEquals(arr, exp);});
Deno.test("[io] readStringDelim delim=1213", async () => {  const delim = "1213";  const exp = ["", "a", "bc", "def", "01", "012345678", "123456789", "", ""];  const str = exp.join(delim);  const arr: string[] = [];  for await (const v of readStringDelim(new StringReader(str), "1213")) {    arr.push(v);  }  assertEquals(arr, exp);});