1 files changed, 107 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-stream2-readable-wrap.js b/tests/node_compat/test/parallel/test-stream2-readable-wrap.js
new file mode 100644
index 000000000..2bf8e99b0
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-stream2-readable-wrap.js
@@ -0,0 +1,107 @@
+// 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.
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const { Readable, Writable } = require('stream');
+const EE = require('events').EventEmitter;
+
+function runTest(highWaterMark, objectMode, produce) {
+
+  const old = new EE();
+  const r = new Readable({ highWaterMark, objectMode });
+  assert.strictEqual(r, r.wrap(old));
+
+  r.on('end', common.mustCall());
+
+  old.pause = function() {
+    old.emit('pause');
+    flowing = false;
+  };
+
+  old.resume = function() {
+    old.emit('resume');
+    flow();
+  };
+
+  // Make sure pause is only emitted once.
+  let pausing = false;
+  r.on('pause', () => {
+    assert.strictEqual(pausing, false);
+    pausing = true;
+    process.nextTick(() => {
+      pausing = false;
+    });
+  });
+
+  let flowing;
+  let chunks = 10;
+  let oldEnded = false;
+  const expected = [];
+  function flow() {
+    flowing = true;
+    while (flowing && chunks-- > 0) {
+      const item = produce();
+      expected.push(item);
+      old.emit('data', item);
+    }
+    if (chunks <= 0) {
+      oldEnded = true;
+      old.emit('end');
+    }
+  }
+
+  const w = new Writable({ highWaterMark: highWaterMark * 2,
+                           objectMode });
+  const written = [];
+  w._write = function(chunk, encoding, cb) {
+    written.push(chunk);
+    setTimeout(cb, 1);
+  };
+
+  w.on('finish', common.mustCall(function() {
+    performAsserts();
+  }));
+
+  r.pipe(w);
+
+  flow();
+
+  function performAsserts() {
+    assert(oldEnded);
+    assert.deepStrictEqual(written, expected);
+  }
+}
+
+runTest(100, false, function() { return Buffer.allocUnsafe(100); });
+runTest(10, false, function() { return Buffer.from('xxxxxxxxxx'); });
+runTest(1, true, function() { return { foo: 'bar' }; });
+
+const objectChunks = [ 5, 'a', false, 0, '', 'xyz', { x: 4 }, 7, [], 555 ];
+runTest(1, true, function() { return objectChunks.shift(); });