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caee112e52
There is actually no reason to use `assert.doesNotThrow()` in the tests. If a test throws, just let the error bubble up right away instead of first catching it and then rethrowing it. PR-URL: https://github.com/nodejs/node/pull/18669 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
137 lines
3.1 KiB
JavaScript
137 lines
3.1 KiB
JavaScript
'use strict';
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const common = require('../common');
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const zlib = require('zlib');
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const assert = require('assert');
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// Work with and without `new` keyword
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assert.ok(zlib.Deflate() instanceof zlib.Deflate);
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assert.ok(new zlib.Deflate() instanceof zlib.Deflate);
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assert.ok(zlib.DeflateRaw() instanceof zlib.DeflateRaw);
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assert.ok(new zlib.DeflateRaw() instanceof zlib.DeflateRaw);
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// Throws if `opts.chunkSize` is invalid
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common.expectsError(
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() => new zlib.Deflate({ chunkSize: -Infinity }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: RangeError
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}
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);
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// Confirm that maximum chunk size cannot be exceeded because it is `Infinity`.
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assert.strictEqual(zlib.constants.Z_MAX_CHUNK, Infinity);
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// Throws if `opts.windowBits` is invalid
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common.expectsError(
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() => new zlib.Deflate({ windowBits: -Infinity }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: RangeError
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}
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);
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common.expectsError(
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() => new zlib.Deflate({ windowBits: Infinity }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: RangeError
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}
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);
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// Throws if `opts.level` is invalid
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common.expectsError(
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() => new zlib.Deflate({ level: -Infinity }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: RangeError
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}
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);
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common.expectsError(
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() => new zlib.Deflate({ level: Infinity }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: RangeError
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}
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);
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// Throws a RangeError if `level` invalid in `Deflate.prototype.params()`
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common.expectsError(
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() => new zlib.Deflate().params(-Infinity),
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{
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code: 'ERR_INVALID_ARG_VALUE',
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type: RangeError
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}
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);
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common.expectsError(
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() => new zlib.Deflate().params(Infinity),
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{
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code: 'ERR_INVALID_ARG_VALUE',
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type: RangeError
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}
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);
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// Throws if `opts.memLevel` is invalid
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common.expectsError(
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() => new zlib.Deflate({ memLevel: -Infinity }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: RangeError
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}
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);
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common.expectsError(
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() => new zlib.Deflate({ memLevel: Infinity }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: RangeError
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}
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);
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// Does not throw if opts.strategy is valid
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new zlib.Deflate({ strategy: zlib.constants.Z_FILTERED });
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new zlib.Deflate({ strategy: zlib.constants.Z_HUFFMAN_ONLY });
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new zlib.Deflate({ strategy: zlib.constants.Z_RLE });
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new zlib.Deflate({ strategy: zlib.constants.Z_FIXED });
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new zlib.Deflate({ strategy: zlib.constants.Z_DEFAULT_STRATEGY });
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// Throws if opt.strategy is the wrong type.
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common.expectsError(
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() => new zlib.Deflate({ strategy: String(zlib.constants.Z_RLE) }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: TypeError
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}
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);
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// Throws if opts.strategy is invalid
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common.expectsError(
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() => new zlib.Deflate({ strategy: 'this is a bogus strategy' }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: TypeError
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}
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);
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// Throws TypeError if `strategy` is invalid in `Deflate.prototype.params()`
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common.expectsError(
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() => new zlib.Deflate().params(0, 'I am an invalid strategy'),
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{
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code: 'ERR_INVALID_ARG_VALUE',
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type: TypeError
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}
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);
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// Throws if opts.dictionary is not a Buffer
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common.expectsError(
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() => new zlib.Deflate({ dictionary: 'not a buffer' }),
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{
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code: 'ERR_INVALID_OPT_VALUE',
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type: TypeError
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}
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);
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