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33 lines
930 B
33 lines
930 B
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { Readable, Writable } = require('stream');
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const source = Readable({ read: () => {} });
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const dest1 = Writable({ write: () => {} });
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const dest2 = Writable({ write: () => {} });
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source.pipe(dest1);
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source.pipe(dest2);
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dest1.on('unpipe', common.mustCall());
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dest2.on('unpipe', common.mustCall());
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assert.strictEqual(source._readableState.pipes[0], dest1);
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assert.strictEqual(source._readableState.pipes[1], dest2);
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assert.strictEqual(source._readableState.pipes.length, 2);
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// Should be able to unpipe them in the reverse order that they were piped.
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source.unpipe(dest2);
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assert.strictEqual(source._readableState.pipes, dest1);
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assert.notStrictEqual(source._readableState.pipes, dest2);
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dest2.on('unpipe', common.mustNotCall());
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source.unpipe(dest2);
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source.unpipe(dest1);
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assert.strictEqual(source._readableState.pipes, null);
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