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-rw-r--r--tests/node_compat/test/parallel/test-stream-writable-needdrain-state.js32
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-stream-writable-needdrain-state.js b/tests/node_compat/test/parallel/test-stream-writable-needdrain-state.js
new file mode 100644
index 000000000..fe8c28921
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-stream-writable-needdrain-state.js
@@ -0,0 +1,32 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
+
+'use strict';
+
+const common = require('../common');
+const stream = require('stream');
+const assert = require('assert');
+
+const transform = new stream.Transform({
+ transform: _transform,
+ highWaterMark: 1
+});
+
+function _transform(chunk, encoding, cb) {
+ process.nextTick(() => {
+ assert.strictEqual(transform._writableState.needDrain, true);
+ cb();
+ });
+}
+
+assert.strictEqual(transform._writableState.needDrain, false);
+
+transform.write('asdasd', common.mustCall(() => {
+ assert.strictEqual(transform._writableState.needDrain, false);
+}));
+
+assert.strictEqual(transform._writableState.needDrain, true);