From 178b92d380eea8a787fc9e3623d35c320785eed8 Mon Sep 17 00:00:00 2001
From: Samuel Mannehed <samuel@cendio.se>
Date: Fri, 15 Jun 2018 11:53:51 +0200
Subject: [PATCH] Add rQshiftStr unit test for large strings

---
 tests/test.websock.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/test.websock.js b/tests/test.websock.js
index 02ec2703..eb46df58 100644
--- a/tests/test.websock.js
+++ b/tests/test.websock.js
@@ -86,6 +86,30 @@ describe('Websock', function() {
                 sock.rQshiftStr();
                 expect(sock.rQlen()).to.equal(0);
             });
+
+            it('should be able to handle very large strings', function () {
+                const BIG_LEN = 500000;
+                const RQ_BIG = new Uint8Array(BIG_LEN);
+                let expected = "";
+                let letterCode = 'a'.charCodeAt(0);
+                for (let i = 0; i < BIG_LEN; i++) {
+                    RQ_BIG[i] = letterCode;
+                    expected += String.fromCharCode(letterCode);
+
+                    if (letterCode < 'z'.charCodeAt(0)) {
+                        letterCode++;
+                    } else {
+                        letterCode = 'a'.charCodeAt(0);
+                    }
+                }
+                sock._rQ.set(RQ_BIG);
+                sock._rQlen = RQ_BIG.length;
+
+                const shifted = sock.rQshiftStr();
+
+                expect(shifted).to.be.equal(expected);
+                expect(sock.rQlen()).to.equal(0);
+            });
         });
 
         describe('rQshiftBytes', function () {