1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/large-arrays.js b/js/src/tests/non262/TypedArray/large-arrays.js
new file mode 100644
index 0000000000..feb0e05ac6
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/large-arrays.js
@@ -0,0 +1,24 @@
+// |reftest| skip-if(!xulRuntime.shell)
+
+// Test that we can access TypedArrays beyond the 4GB mark, if large buffers are
+// supported.
+
+const gb = 1024 * 1024 * 1024;
+
+if (largeArrayBufferSupported()) {
+    for (let TA of typedArrayConstructors) {
+        let ta = new TA(6*gb / TA.BYTES_PER_ELEMENT);
+
+        // Set element at the 5GB mark
+        ta[5*gb / TA.BYTES_PER_ELEMENT] = 37;
+
+        // Check that it was set
+        assertEq(ta[5*gb / TA.BYTES_PER_ELEMENT], 37);
+
+        // Check that we're not operating mod 4GB
+        assertEq(ta[1*gb / TA.BYTES_PER_ELEMENT], 0);
+    }
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);