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f29762f4dd
Enable linting for the test directory. A number of changes was made so all tests conform the current rules used by lib and src directories. The only exception for tests is that unreachable (dead) code is allowed. test-fs-non-number-arguments-throw had to be excluded from the changes because of a weird issue on Windows CI. PR-URL: https://github.com/nodejs/io.js/pull/1721 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var util = require('util');
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var stream = require('stream');
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var passed = false;
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function PassThrough() {
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stream.Transform.call(this);
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};
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util.inherits(PassThrough, stream.Transform);
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PassThrough.prototype._transform = function(chunk, encoding, done) {
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this.push(chunk);
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done();
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};
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function TestStream() {
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stream.Transform.call(this);
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};
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util.inherits(TestStream, stream.Transform);
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TestStream.prototype._transform = function(chunk, encoding, done) {
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if (!passed) {
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// Char 'a' only exists in the last write
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passed = chunk.toString().indexOf('a') >= 0;
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}
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done();
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};
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var s1 = new PassThrough();
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var s2 = new PassThrough();
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var s3 = new TestStream();
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s1.pipe(s3);
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// Don't let s2 auto close which may close s3
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s2.pipe(s3, {end: false});
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// We must write a buffer larger than highWaterMark
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var big = new Buffer(s1._writableState.highWaterMark + 1);
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big.fill('x');
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// Since big is larger than highWaterMark, it will be buffered internally.
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assert(!s1.write(big));
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// 'tiny' is small enough to pass through internal buffer.
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assert(s2.write('tiny'));
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// Write some small data in next IO loop, which will never be written to s3
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// Because 'drain' event is not emitted from s1 and s1 is still paused
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setImmediate(s1.write.bind(s1), 'later');
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// Assert after two IO loops when all operations have been done.
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process.on('exit', function() {
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assert(passed, 'Large buffer is not handled properly by Writable Stream');
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});
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