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-rw-r--r--js/src/jit-test/tests/sharedbuf/byteLength.js8
1 files changed, 8 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 0000000000..f2501c55e3
--- /dev/null
+++ b/js/src/jit-test/tests/sharedbuf/byteLength.js
@@ -0,0 +1,8 @@
+// |jit-test| skip-if: !this.SharedArrayBuffer
+
+// SharedArrayBuffer.prototype.byteLength
+
+load(libdir + "asserts.js");
+
+let buffer = new SharedArrayBuffer(137);
+assertEq(buffer.byteLength, 137);