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test/parallel/test-fs-watch-abort-signal.js

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+// Flags: --expose-internals
+'use strict';
+
+// Verify that AbortSignal integration works for fs.watch
+
+const common = require('../common');
+
+if (common.isIBMi)
+  common.skip('IBMi does not support `fs.watch()`');
+
+const fs = require('fs');
+const fixtures = require('../common/fixtures');
+
+
+{
+  // Signal aborted after creating the watcher
+  const file = fixtures.path('empty.js');
+  const ac = new AbortController();
+  const { signal } = ac;
+  const watcher = fs.watch(file, { signal });
+  watcher.once('close', common.mustCall());
+  setImmediate(() => ac.abort());
+}
+{
+  // Signal aborted before creating the watcher
+  const file = fixtures.path('empty.js');
+  const signal = AbortSignal.abort();
+  const watcher = fs.watch(file, { signal });
+  watcher.once('close', common.mustCall());
+}