1 files changed, 109 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/setelem.js b/js/src/jit-test/tests/ion/setelem.js
new file mode 100644
index 0000000000..34b900d596
--- /dev/null
+++ b/js/src/jit-test/tests/ion/setelem.js
@@ -0,0 +1,109 @@
+function testInt32() {
+    function f(arr, i) {
+        arr[0] = 1;
+        arr[1] = arr[0] + 1;
+        arr[2] = arr[1] + arr[0];
+        var x = arr[2]; // 3
+        arr[x] = arr[x-1] + 1;
+        arr[x+1] = arr[x] + i;
+        return arr[4];
+    }
+    var a = [1, 2, 3, 4, 5, 6, 7, 8];
+    for (var i=0; i<70; i++) {
+        assertEq(f(a, i), i + 4);
+    }
+}
+testInt32();
+
+function testDouble() {
+    function f(arr, d) {
+        arr[0] = d;
+        for (var i=1; i<8; i++) {
+            arr[i] = arr[i-1] + d;
+        }
+        return arr[7];
+    }
+    var a = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0];
+    for (var i=0; i<50; i++) {
+        assertEq(f(a, Math.PI + i)|0, ((Math.PI + i) * 8)|0);
+    }
+}
+testDouble();
+
+function testOutOfBounds() {
+    function f(arr, i, v) {
+        arr[i] = v;
+    }
+    var a = [1, 2];
+    for (var i=0; i<90; i++) {
+        f(a, 1, i);
+    }
+    assertEq(a[1], 89);
+
+    f(a, 2, 40);
+    f(a, 100, 50);
+    f(a, -1, 3);
+
+    assertEq(a[2], 40);
+    assertEq(a[100], 50);
+    assertEq(a[-1], 3);
+}
+testOutOfBounds();
+
+function testClassGuard() {
+    function f(arr, v) {
+        arr[1] = v;
+    }
+    var a = [1, 2, 3, 4];
+    for (var i=0; i<90; i++) {
+        f(a, i);
+    }
+    assertEq(a[1], 89);
+
+    var b = {};
+    f(b, 100);
+    assertEq(b[1], 100);
+}
+testClassGuard();
+
+function testMultipleTypes() {
+    function f(arr, v) {
+        arr[1] = v;
+    }
+    var a = [1, 2, 3, 4];
+    var b = [1.1, -233.2, 3.3];
+
+    for (var i=0; i<90; i++) {
+        f(a, i);
+    }
+    assertEq(a[1], 89);
+    f(b, 20);
+    assertEq(b[1], 20);
+}
+testMultipleTypes();
+
+function testNull() {
+    function f(arr) {
+        arr[0] = null;
+    }
+
+    var arr = [undefined];
+    for (var i=0; i<100; i++) {
+        f(arr);
+    }
+    assertEq(arr[0], null);
+}
+testNull();
+
+// Bug 722245.
+function testConstantGcThing() {
+    function f(arr, x) {
+        arr[x] = "abc";
+    }
+    var arr = ["", ""];
+    for (var i=0; i<100; i++) {
+        f(arr, 1);
+    }
+    assertEq(arr[1], "abc");
+}
+testConstantGcThing();