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stream: fix not calling cleanup() when unpiping all streams. #18266

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stream: fix not calling cleanup() when unpiping all streams. #18266

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3500d5f
stream: fix not calling cleanup() when unpiping all streams.
Jan 20, 2018
020956f
Add more test content
Jan 20, 2018
8da1b72
Fix lint
Jan 20, 2018
eba4582
Fix code style
Jan 22, 2018
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2 changes: 1 addition & 1 deletion lib/_stream_readable.js
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Original file line number Diff line number Diff line change
Expand Up @@ -759,7 +759,7 @@ Readable.prototype.unpipe = function(dest) {
state.flowing = false;

for (var i = 0; i < len; i++)
dests[i].emit('unpipe', this, unpipeInfo);
dests[i].emit('unpipe', this, { hasUnpiped: false });
return this;
}

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23 changes: 23 additions & 0 deletions test/parallel/test-stream-pipe-unpipe-streams.js
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Expand Up @@ -31,3 +31,26 @@ source.unpipe(dest2);
source.unpipe(dest1);

assert.strictEqual(source._readableState.pipes, null);

{
// unpipe all
const source = Readable({ read: () => {} });
const dest1 = Writable({ write: () => {} });
const dest2 = Writable({ write: () => {} });

source.pipe(dest1);
source.pipe(dest2);

checkDestCleanup(dest1);
checkDestCleanup(dest2);

source.unpipe();

function checkDestCleanup(dest) {
const unpipeChecker = common.mustCall(() => {
dest.removeListener('unpipe', unpipeChecker);
assert.strictEqual(dest.listenerCount('unpipe'), 0);
});
dest.on('unpipe', unpipeChecker);
}
}