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71 lines
2.8 KiB
JavaScript
71 lines
2.8 KiB
JavaScript
// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
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'use strict';
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// Tests zlib streams with truncated compressed input
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require('../common');
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const assert = require('assert');
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const zlib = require('zlib');
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const inputString = 'ΩΩLorem ipsum dolor sit amet, consectetur adipiscing eli' +
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't. Morbi faucibus, purus at gravida dictum, libero arcu ' +
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'convallis lacus, in commodo libero metus eu nisi. Nullam' +
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' commodo, neque nec porta placerat, nisi est fermentum a' +
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'ugue, vitae gravida tellus sapien sit amet tellus. Aenea' +
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'n non diam orci. Proin quis elit turpis. Suspendisse non' +
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' diam ipsum. Suspendisse nec ullamcorper odio. Vestibulu' +
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'm arcu mi, sodales non suscipit id, ultrices ut massa. S' +
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'ed ac sem sit amet arcu malesuada fermentum. Nunc sed. ';
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const errMessage = /unexpected end of file/;
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[
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{ comp: 'gzip', decomp: 'gunzip', decompSync: 'gunzipSync' },
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{ comp: 'gzip', decomp: 'unzip', decompSync: 'unzipSync' },
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{ comp: 'deflate', decomp: 'inflate', decompSync: 'inflateSync' },
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{ comp: 'deflateRaw', decomp: 'inflateRaw', decompSync: 'inflateRawSync' },
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].forEach(function(methods) {
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zlib[methods.comp](inputString, function(err, compressed) {
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assert.ifError(err);
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const truncated = compressed.slice(0, compressed.length / 2);
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const toUTF8 = (buffer) => buffer.toString('utf-8');
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// sync sanity
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const decompressed = zlib[methods.decompSync](compressed);
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assert.strictEqual(toUTF8(decompressed), inputString);
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// async sanity
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zlib[methods.decomp](compressed, function(err, result) {
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assert.ifError(err);
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assert.strictEqual(toUTF8(result), inputString);
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});
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// Sync truncated input test
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assert.throws(function() {
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zlib[methods.decompSync](truncated);
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}, errMessage);
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// Async truncated input test
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zlib[methods.decomp](truncated, function(err, result) {
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assert.match(err.message, errMessage);
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});
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const syncFlushOpt = { finishFlush: zlib.constants.Z_SYNC_FLUSH };
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// Sync truncated input test, finishFlush = Z_SYNC_FLUSH
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const result = toUTF8(zlib[methods.decompSync](truncated, syncFlushOpt));
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assert.strictEqual(result, inputString.substr(0, result.length));
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// Async truncated input test, finishFlush = Z_SYNC_FLUSH
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zlib[methods.decomp](truncated, syncFlushOpt, function(err, decompressed) {
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assert.ifError(err);
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const result = toUTF8(decompressed);
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assert.strictEqual(result, inputString.substr(0, result.length));
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});
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});
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});
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