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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>
99 lines
2.3 KiB
JavaScript
99 lines
2.3 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 Readable = require('stream').Readable;
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test1();
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test2();
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function test1() {
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var r = new Readable();
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// should not end when we get a Buffer(0) or '' as the _read result
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// that just means that there is *temporarily* no data, but to go
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// ahead and try again later.
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//
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// note that this is very unusual. it only works for crypto streams
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// because the other side of the stream will call read(0) to cycle
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// data through openssl. that's why we set the timeouts to call
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// r.read(0) again later, otherwise there is no more work being done
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// and the process just exits.
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var buf = new Buffer(5);
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buf.fill('x');
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var reads = 5;
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r._read = function(n) {
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switch (reads--) {
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case 0:
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return r.push(null); // EOF
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case 1:
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return r.push(buf);
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case 2:
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setTimeout(r.read.bind(r, 0), 50);
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return r.push(new Buffer(0)); // Not-EOF!
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case 3:
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setTimeout(r.read.bind(r, 0), 50);
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return process.nextTick(function() {
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return r.push(new Buffer(0));
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});
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case 4:
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setTimeout(r.read.bind(r, 0), 50);
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return setTimeout(function() {
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return r.push(new Buffer(0));
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});
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case 5:
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return setTimeout(function() {
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return r.push(buf);
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});
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default:
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throw new Error('unreachable');
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}
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};
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var results = [];
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function flow() {
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var chunk;
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while (null !== (chunk = r.read()))
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results.push(chunk + '');
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}
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r.on('readable', flow);
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r.on('end', function() {
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results.push('EOF');
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});
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flow();
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process.on('exit', function() {
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assert.deepEqual(results, [ 'xxxxx', 'xxxxx', 'EOF' ]);
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console.log('ok');
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});
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}
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function test2() {
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var r = new Readable({ encoding: 'base64' });
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var reads = 5;
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r._read = function(n) {
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if (!reads--)
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return r.push(null); // EOF
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else
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return r.push(new Buffer('x'));
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};
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var results = [];
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function flow() {
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var chunk;
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while (null !== (chunk = r.read()))
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results.push(chunk + '');
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}
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r.on('readable', flow);
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r.on('end', function() {
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results.push('EOF');
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});
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flow();
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process.on('exit', function() {
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assert.deepEqual(results, [ 'eHh4', 'eHg=', 'EOF' ]);
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console.log('ok');
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});
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}
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