|
| 1 | +'use strict'; |
| 2 | + |
| 3 | +const common = require('../common'); |
| 4 | +const stream = require('stream'); |
| 5 | +const assert = require('assert'); |
| 6 | + |
| 7 | +{ |
| 8 | + const r = new stream.Readable({ |
| 9 | + read: common.mustCall(function() { |
| 10 | + this.push('content'); |
| 11 | + this.push(null); |
| 12 | + }) |
| 13 | + }); |
| 14 | + |
| 15 | + const t = new stream.Transform({ |
| 16 | + transform: common.mustCall(function(chunk, encoding, callback) { |
| 17 | + this.push(chunk); |
| 18 | + return callback(); |
| 19 | + }), |
| 20 | + flush: common.mustCall(function(callback) { |
| 21 | + return callback(); |
| 22 | + }) |
| 23 | + }); |
| 24 | + |
| 25 | + r.pipe(t); |
| 26 | + t.on('readable', common.mustCall(function() { |
| 27 | + while (true) { |
| 28 | + const chunk = t.read(); |
| 29 | + if (!chunk) |
| 30 | + break; |
| 31 | + |
| 32 | + assert.strictEqual(chunk.toString(), 'content'); |
| 33 | + } |
| 34 | + }, 2)); |
| 35 | +} |
| 36 | + |
| 37 | +{ |
| 38 | + const t = new stream.Transform({ |
| 39 | + transform: common.mustCall(function(chunk, encoding, callback) { |
| 40 | + this.push(chunk); |
| 41 | + return callback(); |
| 42 | + }), |
| 43 | + flush: common.mustCall(function(callback) { |
| 44 | + return callback(); |
| 45 | + }) |
| 46 | + }); |
| 47 | + |
| 48 | + t.end('content'); |
| 49 | + |
| 50 | + t.on('readable', common.mustCall(function() { |
| 51 | + while (true) { |
| 52 | + const chunk = t.read(); |
| 53 | + if (!chunk) |
| 54 | + break; |
| 55 | + assert.strictEqual(chunk.toString(), 'content'); |
| 56 | + } |
| 57 | + }, 2)); |
| 58 | +} |
| 59 | + |
| 60 | +{ |
| 61 | + const t = new stream.Transform({ |
| 62 | + transform: common.mustCall(function(chunk, encoding, callback) { |
| 63 | + this.push(chunk); |
| 64 | + return callback(); |
| 65 | + }), |
| 66 | + flush: common.mustCall(function(callback) { |
| 67 | + return callback(); |
| 68 | + }) |
| 69 | + }); |
| 70 | + |
| 71 | + t.write('content'); |
| 72 | + t.end(); |
| 73 | + |
| 74 | + t.on('readable', common.mustCall(function() { |
| 75 | + while (true) { |
| 76 | + const chunk = t.read(); |
| 77 | + if (!chunk) |
| 78 | + break; |
| 79 | + assert.strictEqual(chunk.toString(), 'content'); |
| 80 | + } |
| 81 | + }, 2)); |
| 82 | +} |
| 83 | + |
| 84 | +{ |
| 85 | + const t = new stream.Readable({ |
| 86 | + read() { |
| 87 | + } |
| 88 | + }); |
| 89 | + |
| 90 | + t.on('readable', common.mustCall(function() { |
| 91 | + while (true) { |
| 92 | + const chunk = t.read(); |
| 93 | + if (!chunk) |
| 94 | + break; |
| 95 | + assert.strictEqual(chunk.toString(), 'content'); |
| 96 | + } |
| 97 | + }, 2)); |
| 98 | + |
| 99 | + t.push('content'); |
| 100 | + t.push(null); |
| 101 | +} |
| 102 | + |
| 103 | +{ |
| 104 | + const t = new stream.Readable({ |
| 105 | + read() { |
| 106 | + } |
| 107 | + }); |
| 108 | + |
| 109 | + t.on('readable', common.mustCall(function() { |
| 110 | + while (true) { |
| 111 | + const chunk = t.read(); |
| 112 | + if (!chunk) |
| 113 | + break; |
| 114 | + assert.strictEqual(chunk.toString(), 'content'); |
| 115 | + } |
| 116 | + }, 2)); |
| 117 | + |
| 118 | + process.nextTick(() => { |
| 119 | + t.push('content'); |
| 120 | + t.push(null); |
| 121 | + }); |
| 122 | +} |
| 123 | + |
| 124 | +{ |
| 125 | + const t = new stream.Transform({ |
| 126 | + transform: common.mustCall(function(chunk, encoding, callback) { |
| 127 | + this.push(chunk); |
| 128 | + return callback(); |
| 129 | + }), |
| 130 | + flush: common.mustCall(function(callback) { |
| 131 | + return callback(); |
| 132 | + }) |
| 133 | + }); |
| 134 | + |
| 135 | + t.on('readable', common.mustCall(function() { |
| 136 | + while (true) { |
| 137 | + const chunk = t.read(); |
| 138 | + if (!chunk) |
| 139 | + break; |
| 140 | + assert.strictEqual(chunk.toString(), 'content'); |
| 141 | + } |
| 142 | + }, 2)); |
| 143 | + |
| 144 | + t.write('content'); |
| 145 | + t.end(); |
| 146 | +} |
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