1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/arrayPopShift.js b/js/src/jit-test/tests/basic/arrayPopShift.js
new file mode 100644
index 000000000..9213f3c9a
--- /dev/null
+++ b/js/src/jit-test/tests/basic/arrayPopShift.js
@@ -0,0 +1,30 @@
+
+/* Test pop/shift compiler paths. */
+
+function a() {
+  var x = [];
+  for (var i = 0; i < 50; i++)
+    x.push(i);
+  for (var j = 0; j < 100; j++) {
+    var z = x.shift();
+    if (j < 50)
+      assertEq(z, j);
+    else
+      assertEq(z, undefined);
+  }
+}
+a();
+
+function b() {
+  var x = [];
+  for (var i = 0; i < 50; i++)
+    x.push(i);
+  for (var j = 0; j < 100; j++) {
+    var z = x.pop();
+    if (j < 50)
+      assertEq(z, 49 - j);
+    else
+      assertEq(z, undefined);
+  }
+}
+b();