1 files changed, 77 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/getelem.js b/js/src/jit-test/tests/ion/getelem.js
new file mode 100644
index 0000000000..3fd11586a5
--- /dev/null
+++ b/js/src/jit-test/tests/ion/getelem.js
@@ -0,0 +1,77 @@
+function testValue() {
+    function f(arr, x) {
+        return arr[x];
+    }
+    var a = [1, undefined, null, Math, 2.1, ""];
+    for (var i=0; i<50; i++) {
+        assertEq(f(a, 0), 1);
+        assertEq(f(a, 1), undefined);
+        assertEq(f(a, 2), null);
+        assertEq(f(a, 3), Math);
+        assertEq(f(a, 4), 2.1);
+        assertEq(f(a, 5), "");
+        assertEq(f(a, -1), undefined);
+        assertEq(f(a, 6), undefined);
+    }
+}
+testValue();
+
+function testOutOfBounds() {
+    function f(arr, x) {
+        return arr[x];
+    }
+    var a = [0, 1, 2, 3, 4];
+
+    for (var j=0; j<4; j++) {
+        for (var i=0; i<5; i++) {
+            assertEq(f(a, i), i);
+        }
+        for (var i=5; i<10; i++) {
+            assertEq(f(a, i), undefined);
+        }
+        for (var i=-1; i>-10; i--) {
+            assertEq(f(a, i), undefined);
+        }
+    }
+}
+testOutOfBounds();
+
+function testHole() {
+    function f(arr, x) {
+        return arr[x];
+    }
+    var a = [0, , 2, ];
+    for (var i=0; i<70; i++) {
+        assertEq(f(a, 0), 0);
+        assertEq(f(a, 1), undefined);
+        assertEq(f(a, 2), 2);
+        assertEq(f(a, 3), undefined);
+    }
+}
+testHole();
+
+function testClassGuard() {
+    function f(arr) {
+        return arr[2];
+    }
+    var a = [1, 2, 3, 4];
+    for (var i=0; i<90; i++) {
+        assertEq(f(a), 3);
+    }
+    var b = {2: 100};
+    assertEq(f(b), 100);
+}
+testClassGuard();
+
+function testGeneric1() {
+    function f(o, i) {
+        return o[i];
+    }
+    for (var i=0; i<100; i++) {
+        assertEq(f("abc", 1), "b");
+        assertEq(f("foo", "length"), 3);
+        assertEq(f([], -1), undefined);
+        assertEq(f({x: 1}, "x"), 1);
+    }
+}
+testGeneric1();