1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T1.js b/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T1.js
new file mode 100644
index 0000000000..3767112626
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T1.js
@@ -0,0 +1,44 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    The join function is intentionally generic.
+    It does not require that its this value be an Array object
+esid: sec-array.prototype.join
+description: If ToUint32(length) is zero, return the empty string
+---*/
+
+var obj = {};
+obj.join = Array.prototype.join;
+
+if (obj.length !== undefined) {
+  throw new Test262Error('#0: var obj = {}; obj.length === undefined. Actual: ' + (obj.length));
+} else {
+  if (obj.join() !== "") {
+    throw new Test262Error('#1: var obj = {}; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
+  }
+  if (obj.length !== undefined) {
+    throw new Test262Error('#2: var obj = {}; obj.join = Array.prototype.join; obj.join(); obj.length === undefined. Actual: ' + (obj.length));
+  }
+}
+
+obj.length = undefined;
+if (obj.join() !== "") {
+  throw new Test262Error('#3: var obj = {}; obj.length = undefined; obj.join = Array.prototype.join; obj.join() === ". Actual: ' + (obj.join()));
+}
+
+if (obj.length !== undefined) {
+  throw new Test262Error('#4: var obj = {}; obj.length = undefined; obj.join = Array.prototype.join; obj.join(); obj.length === undefined. Actual: ' + (obj.length));
+}
+
+obj.length = null
+if (obj.join() !== "") {
+  throw new Test262Error('#5: var obj = {}; obj.length = null; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
+}
+
+if (obj.length !== null) {
+  throw new Test262Error('#6: var obj = {}; obj.length = null; obj.join = Array.prototype.join; obj.join(); obj.length === null. Actual: ' + (obj.length));
+}
+
+reportCompare(0, 0);