fs: fix options.end of fs.ReadStream()

Fixes: https://github.com/nodejs/node/issues/18116
PR-URL: https://github.com/nodejs/node/pull/18121
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Weijia Wang <starkwang@126.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/test/parallel/test-fs-read-stream.js b/test/parallel/test-fs-read-stream.js
index 1b9cc4aa90..7fc7a0d56b 100644
--- a/test/parallel/test-fs-read-stream.js
+++ b/test/parallel/test-fs-read-stream.js
@@ -165,6 +165,20 @@ common.expectsError(
 }
 
 {
+  // Verify that end works when start is not specified.
+  const stream = new fs.createReadStream(rangeFile, { end: 1 });
+  stream.data = '';
+
+  stream.on('data', function(chunk) {
+    stream.data += chunk;
+  });
+
+  stream.on('end', common.mustCall(function() {
+    assert.strictEqual('xy', stream.data);
+  }));
+}
+
+{
   // pause and then resume immediately.
   const pauseRes = fs.createReadStream(rangeFile);
   pauseRes.pause();