1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A1.2_T2.js b/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A1.2_T2.js
new file mode 100644
index 0000000000..bea80dc36e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A1.2_T2.js
@@ -0,0 +1,28 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If separator is undefined, a single comma is used as the separator
+esid: sec-array.prototype.join
+description: Checking this use new Array() and []
+---*/
+
+var x = new Array(0, 1, 2, 3);
+if (x.join(undefined) !== "0,1,2,3") {
+  throw new Test262Error('#1: x = new Array(0,1,2,3); x.join(undefined) === "0,1,2,3". Actual: ' + (x.join(undefined)));
+}
+
+x = [];
+x[0] = 0;
+x[3] = 3;
+if (x.join(undefined) !== "0,,,3") {
+  throw new Test262Error('#2: x = []; x[0] = 0; x[3] = 3; x.join(undefined) === "0,,,3". Actual: ' + (x.join(undefined)));
+}
+
+x = [];
+x[0] = 0;
+if (x.join(undefined) !== "0") {
+  throw new Test262Error('#3: x = []; x[0] = 0; x.join(undefined) === "0". Actual: ' + (x.join(undefined)));
+}
+
+reportCompare(0, 0);