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81 lines
2.6 KiB
TypeScript
81 lines
2.6 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// This code has been ported almost directly from Go's src/bytes/buffer_test.go
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// Copyright 2009 The Go Authors. All rights reserved. BSD license.
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// https://github.com/golang/go/blob/master/LICENSE
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import { assertEquals } from "@std/assert";
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import { Buffer } from "./buffer.ts";
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import { readLines } from "./read_lines.ts";
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import { readStringDelim } from "./read_string_delim.ts";
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/** @todo (iuioiua) Can these tests be separated? */
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Deno.test("readStringDelimAndLines", async function () {
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const enc = new TextEncoder();
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const data = new Buffer(
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enc.encode("Hello World\tHello World 2\tHello World 3"),
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);
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const chunks_ = [];
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for await (const c of readStringDelim(data, "\t")) {
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chunks_.push(c);
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}
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assertEquals(chunks_.length, 3);
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assertEquals(chunks_, ["Hello World", "Hello World 2", "Hello World 3"]);
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const linesData = new Buffer(enc.encode("0\n1\n2\n3\n4\n5\n6\n7\n8\n9"));
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const linesDataWithTrailingNewLine = new Buffer(enc.encode("1\n2\n3\n"));
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// consider data with windows newlines too
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const linesDataWindows = new Buffer(
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enc.encode("0\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9"),
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);
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const lines_ = [];
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for await (const l of readLines(linesData)) {
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lines_.push(l);
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}
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assertEquals(lines_.length, 10);
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assertEquals(lines_, ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"]);
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lines_.length = 0;
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for await (const l of readLines(linesDataWithTrailingNewLine)) {
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lines_.push(l);
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}
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assertEquals(lines_.length, 3);
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assertEquals(lines_, ["1", "2", "3"]); // No empty line at the end
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// Now test for "windows" lines
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lines_.length = 0;
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for await (const l of readLines(linesDataWindows)) {
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lines_.push(l);
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}
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assertEquals(lines_.length, 10);
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assertEquals(lines_, ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"]);
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});
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Deno.test("readLinesWithEncodingISO-8859-15", async function () {
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const lines_ = [];
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using file_ = await Deno.open("./io/testdata/iso-8859-15.txt");
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for await (const l of readLines(file_, { encoding: "iso-8859-15" })) {
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lines_.push(l);
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}
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assertEquals(lines_.length, 12);
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assertEquals(lines_, [
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"\u0020!\"#$%&'()*+,-./",
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"0123456789:;<=>?",
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"@ABCDEFGHIJKLMNO",
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"PQRSTUVWXYZ[\\]^_",
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"`abcdefghijklmno",
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"pqrstuvwxyz{|}~",
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"\u00a0¡¢£€¥Š§š©ª«¬\u00ad®¯",
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"°±²³Žµ¶·ž¹º»ŒœŸ¿",
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"ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏ",
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"ÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞß",
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"àáâãäåæçèéêëìíîï",
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"ðñòóôõö÷øùúûüýþÿ",
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]);
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});
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