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| 1 <!DOCTYPE html> |
| 2 <script src="../resources/testharness.js"></script> |
| 3 <script src="../resources/testharnessreport.js"></script> |
| 4 |
| 5 <div id="container"> |
| 6 <div id="element"></div> |
| 7 </div> |
| 8 |
| 9 <script> |
| 10 "use strict"; |
| 11 |
| 12 promise_test(function () { |
| 13 let request, source; |
| 14 { |
| 15 const holder = internals.createReadableStreamTestCase(); |
| 16 request = holder.request; |
| 17 source = holder.source; |
| 18 } |
| 19 |
| 20 const body = request.body; |
| 21 const reader = body.getReader(); |
| 22 request = undefined; |
| 23 |
| 24 gc(); |
| 25 |
| 26 source.enqueue(1); |
| 27 |
| 28 return reader.read().then(function (result) { |
| 29 assert_equals(result.value, 1); |
| 30 assert_equals(result.done, false); |
| 31 |
| 32 source.close(); |
| 33 |
| 34 return reader.read().then(function (result) { |
| 35 assert_equals(result.value, undefined); |
| 36 assert_equals(result.done, true); |
| 37 }); |
| 38 }); |
| 39 }, "when the request is GCed (but not the stream), enqueue and close should stil
l work"); |
| 40 |
| 41 promise_test(function (t) { |
| 42 let request, source; |
| 43 { |
| 44 const holder = internals.createReadableStreamTestCase(); |
| 45 request = holder.request; |
| 46 source = holder.source; |
| 47 } |
| 48 |
| 49 let body = request.body; |
| 50 const reader = body.getReader(); |
| 51 request = undefined; |
| 52 body = undefined; |
| 53 |
| 54 gc(); |
| 55 |
| 56 source.enqueue(2); |
| 57 |
| 58 return reader.read().then(function (result) { |
| 59 assert_equals(result.value, 2); |
| 60 assert_equals(result.done, false); |
| 61 |
| 62 const e = new Error("boo!"); |
| 63 source.error(e); |
| 64 |
| 65 const unreached = t.unreached_func('promise should not be fulfilled'); |
| 66 return reader.read().then( |
| 67 unreached, |
| 68 function (err) { |
| 69 assert_equals(err, e); |
| 70 } |
| 71 ); |
| 72 }); |
| 73 }, "when the request and stream are GCed (but not the reader), enqueue and error
should still work"); |
| 74 |
| 75 promise_test(function () { |
| 76 let request, source; |
| 77 { |
| 78 const holder = internals.createReadableStreamTestCase(); |
| 79 request = holder.request; |
| 80 source = holder.source; |
| 81 } |
| 82 |
| 83 let body = request.body; |
| 84 let reader = body.getReader(); |
| 85 const closed = reader.closed; |
| 86 request = undefined; |
| 87 body = undefined; |
| 88 reader = undefined; |
| 89 |
| 90 gc(); |
| 91 |
| 92 source.close(); |
| 93 |
| 94 return closed; |
| 95 }, "when the request and stream and reader are GCed (but a closed promise is kep
t), close should still work"); |
| 96 |
| 97 promise_test(function (t) { |
| 98 let request, source; |
| 99 { |
| 100 const holder = internals.createReadableStreamTestCase(); |
| 101 request = holder.request; |
| 102 source = holder.source; |
| 103 } |
| 104 |
| 105 let body = request.body; |
| 106 let reader = body.getReader(); |
| 107 const closed = reader.closed; |
| 108 request = undefined; |
| 109 body = undefined; |
| 110 reader = undefined; |
| 111 |
| 112 gc(); |
| 113 |
| 114 const e = new Error("boo!"); |
| 115 source.error(e); |
| 116 |
| 117 const unreached = t.unreached_func('promise should not be fulfilled'); |
| 118 return closed.then( |
| 119 unreached, |
| 120 function (err) { |
| 121 assert_equals(err, e); |
| 122 } |
| 123 ); |
| 124 }, "when the request and stream and reader are GCed (but a closed promise is kep
t), error should still work"); |
| 125 |
| 126 test(function () { |
| 127 let request, source; |
| 128 { |
| 129 const holder = internals.createReadableStreamTestCase(); |
| 130 request = holder.request; |
| 131 source = holder.source; |
| 132 } |
| 133 |
| 134 request = undefined; |
| 135 |
| 136 gc(); |
| 137 |
| 138 source.enqueue("a"); |
| 139 source.enqueue(2); |
| 140 source.close(); |
| 141 }, "enqueuing and closing after the request/stream/etc. are collected should be
a no-op, not a crash"); |
| 142 |
| 143 test(function () { |
| 144 let request, source; |
| 145 { |
| 146 const holder = internals.createReadableStreamTestCase(); |
| 147 request = holder.request; |
| 148 source = holder.source; |
| 149 } |
| 150 |
| 151 request.body.cancel(); |
| 152 |
| 153 request = undefined; |
| 154 |
| 155 gc(); |
| 156 |
| 157 source.enqueue("a"); |
| 158 source.enqueue(2); |
| 159 source.close(); |
| 160 }, "enqueuing and closing after the stream has been canceled should be a no-op,
not a crash"); |
| 161 |
| 162 test(function () { |
| 163 let request = internals.createReadableStreamTestCase().request; |
| 164 let body = request.body; |
| 165 |
| 166 body.request = request; |
| 167 |
| 168 request = undefined; |
| 169 body = undefined; |
| 170 |
| 171 gc(); |
| 172 }, "attaching a request to a stream should not cause a leak or crash"); |
| 173 |
| 174 </script> |
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