1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T3.js b/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T3.js
new file mode 100644
index 0000000000..edd94bbfb1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T3.js
@@ -0,0 +1,51 @@
+// 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;
+
+obj.length = 4.5;
+if (obj.join() !== ",,,") {
+  throw new Test262Error('#1: var obj = {}; obj.length = 4.5; obj.join = Array.prototype.join; obj.join() === ",,,". Actual: ' + (obj.join()));
+}
+
+obj[0] = undefined;
+obj[1] = 1;
+obj[2] = null;
+if (obj.join() !== ",1,,") {
+  throw new Test262Error('#1: var obj = {}; obj.length = 4.5; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join() === ",1,,". Actual: ' + (obj.join()));
+}
+
+if (obj.length !== 4.5) {
+  throw new Test262Error('#1: var obj = {}; obj.length = 4.5; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join(); obj.length === 4.5. Actual: ' + (obj.length));
+}
+
+var obj = {};
+obj.join = Array.prototype.join;
+
+var x = new Number(4.5);
+obj.length = x;
+if (obj.join() !== ",,,") {
+  throw new Test262Error('#4: var obj = {}; var x = new Number(4.5); obj.length = x; obj.join = Array.prototype.join; obj.join() === ",,,". Actual: ' + (obj.join()));
+}
+
+obj[0] = undefined;
+obj[1] = 1;
+obj[2] = null;
+if (obj.join() !== ",1,,") {
+  throw new Test262Error('#5: var obj = {}; var x = new Number(4.5); obj.length = x; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join() === ",1,,". Actual: ' + (obj.join()));
+}
+
+if (obj.length !== x) {
+  throw new Test262Error('#6: var obj = {}; var x = new Number(4.5); obj.length = x; obj[0] = undefined; obj[1] = 1; obj[2] = null; obj.join = Array.prototype.join; obj.join(); obj.length === x. Actual: ' + (obj.length));
+}
+
+reportCompare(0, 0);