1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/ch11/11.9/11.9.1/S11.9.1_A6.1.js b/js/src/tests/test262/ch11/11.9/11.9.1/S11.9.1_A6.1.js
new file mode 100644
index 000000000..95e8b80d7
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.9/11.9.1/S11.9.1_A6.1.js
@@ -0,0 +1,40 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(x) as well as Type(y) is undefined or null, return true
+ *
+ * @path ch11/11.9/11.9.1/S11.9.1_A6.1.js
+ * @description Checking all combinations
+ */
+
+//CHECK#1
+if ((undefined == undefined) !== true) {
+  $ERROR('#1: (undefined == undefined) === true');
+}
+
+//CHECK#2
+if ((void 0 == undefined) !== true) {
+  $ERROR('#2: (void 0 == undefined) === true');
+}
+
+//CHECK#3
+if ((undefined == eval("var x")) !== true) {
+  $ERROR('#3: (undefined == eval("var x")) === true');
+}
+
+//CHECK#4
+if ((undefined == null) !== true) {
+  $ERROR('#4: (undefined == null) === true');
+}
+
+//CHECK#5
+if ((null == void 0) !== true) {
+  $ERROR('#5: (null == void 0) === true');
+}
+
+//CHECK#6
+if ((null == null) !== true) {
+  $ERROR('#6: (null == null) === true');
+}
+