1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ctypes/array-index.js b/js/src/jit-test/tests/ctypes/array-index.js
new file mode 100644
index 0000000000..e70add1a06
--- /dev/null
+++ b/js/src/jit-test/tests/ctypes/array-index.js
@@ -0,0 +1,29 @@
+load(libdir + 'asserts.js');
+
+function test() {
+  let a = ctypes.int32_t.array(10)();
+  assertTypeErrorMessage(() => { let x = a[-1]; },
+                          "the string \"-1\" is not a valid array index");
+  assertTypeErrorMessage(() => { a[-1] = 1; },
+                          "the string \"-1\" is not a valid array index");
+  assertTypeErrorMessage(() => { a.addressOfElement(-1); },
+                          "the number -1 is not a valid array index");
+
+  assertRangeErrorMessage(() => { let x = a[10]; },
+                          "array index 10 is out of bounds for array of length 10");
+  assertRangeErrorMessage(() => { a[10] = 1; },
+                          "array index 10 is out of bounds for array of length 10");
+  assertRangeErrorMessage(() => { a.addressOfElement(10); },
+                          "array index 10 is out of bounds for array of length 10");
+
+  let obj = {
+    toSource() {
+      throw 1;
+    }
+  };
+  assertTypeErrorMessage(() => { a.addressOfElement(obj); },
+                          "<<error converting value to string>> is not a valid array index");
+}
+
+if (typeof ctypes === "object")
+  test();