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test/parallel/test-file-write-stream4.js

@@ -0,0 +1,20 @@
+'use strict';
+
+// Test that 'close' emits once and not twice when `emitClose: true` is set.
+// Refs: https://github.com/nodejs/node/issues/31366
+
+const common = require('../common');
+const fs = require('fs');
+
+const tmpdir = require('../common/tmpdir');
+tmpdir.refresh();
+
+const filepath = tmpdir.resolve('write_pos.txt');
+
+const fileReadStream = fs.createReadStream(process.execPath);
+const fileWriteStream = fs.createWriteStream(filepath, {
+  emitClose: true
+});
+
+fileReadStream.pipe(fileWriteStream);
+fileWriteStream.on('close', common.mustCall());