1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/sharedbuf/byteLength.js b/js/src/jit-test/tests/sharedbuf/byteLength.js
new file mode 100644
index 000000000..69f56a9ec
--- /dev/null
+++ b/js/src/jit-test/tests/sharedbuf/byteLength.js
@@ -0,0 +1,9 @@
+// SharedArrayBuffer.prototype.byteLength
+
+if (!this.SharedArrayBuffer)
+    quit(0);
+
+load(libdir + "asserts.js");
+
+let buffer = new SharedArrayBuffer(137);
+assertEq(buffer.byteLength, 137);