1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testDetach.js b/js/src/jit-test/tests/basic/testDetach.js
new file mode 100644
index 0000000000..fc49e3f99e
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testDetach.js
@@ -0,0 +1,23 @@
+var ab = new ArrayBuffer(4);
+var i32 = new Int32Array(ab);
+i32[0] = 42;
+detachArrayBuffer(ab);
+assertEq(i32.length, 0);
+assertEq(ab.byteLength, 0);
+assertEq(i32[0], undefined);
+
+var ab = new ArrayBuffer(12);
+var i32 = new Int32Array(ab);
+i32[0] = 42;
+detachArrayBuffer(ab);
+assertEq(i32.length, 0);
+assertEq(ab.byteLength, 0);
+assertEq(i32[0], undefined);
+
+var ab = new ArrayBuffer(4096);
+var i32 = new Int32Array(ab);
+i32[0] = 42;
+detachArrayBuffer(ab);
+assertEq(i32.length, 0);
+assertEq(ab.byteLength, 0);
+assertEq(i32[0], undefined);