1 files changed, 83 insertions, 0 deletions
diff --git a/js/src/tests/ecma_5/Array/join-01.js b/js/src/tests/ecma_5/Array/join-01.js
new file mode 100644
index 000000000..3cc6cccd0
--- /dev/null
+++ b/js/src/tests/ecma_5/Array/join-01.js
@@ -0,0 +1,83 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor:
+ *   Jeff Walden <jwalden+code@mit.edu>
+ */
+
+//-----------------------------------------------------------------------------
+print("ES5: Array.prototype.join");
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var count;
+var stringifyCounter = { toString: function() { count++; return "obj"; } };
+
+var arr = [1, 2, 3, 4, 5];
+assertEq(arr.join(), "1,2,3,4,5");
+assertEq(arr.join(","), "1,2,3,4,5");
+assertEq(arr.join(undefined), "1,2,3,4,5");
+assertEq(arr.join(4), "142434445");
+assertEq(arr.join(""), "12345");
+
+count = 0;
+assertEq(arr.join(stringifyCounter), "1obj2obj3obj4obj5");
+assertEq(count, 1);
+
+var holey = [1, 2, , 4, 5];
+assertEq(holey.join(), "1,2,,4,5");
+assertEq(holey.join(","), "1,2,,4,5");
+assertEq(holey.join(undefined), "1,2,,4,5");
+assertEq(holey.join(4), "14244445");
+
+count = 0;
+assertEq(holey.join(stringifyCounter), "1obj2objobj4obj5");
+assertEq(count, 1);
+
+var nully = [1, 2, 3, null, 5];
+assertEq(nully.join(), "1,2,3,,5");
+assertEq(nully.join(","), "1,2,3,,5");
+assertEq(nully.join(undefined), "1,2,3,,5");
+assertEq(nully.join(4), "14243445");
+
+count = 0;
+assertEq(nully.join(stringifyCounter), "1obj2obj3objobj5");
+assertEq(count, 1);
+
+var undefiney = [1, undefined, 3, 4, 5];
+assertEq(undefiney.join(), "1,,3,4,5");
+assertEq(undefiney.join(","), "1,,3,4,5");
+assertEq(undefiney.join(undefined), "1,,3,4,5");
+assertEq(undefiney.join(4), "14434445");
+
+count = 0;
+assertEq(undefiney.join(stringifyCounter), "1objobj3obj4obj5");
+assertEq(count, 1);
+
+var log = '';
+arr = {length: {valueOf: function () { log += "L"; return 2; }},
+      0: "x", 1: "z"};
+var sep = {toString: function () { log += "S"; return "y"; }};
+assertEq(Array.prototype.join.call(arr, sep), "xyz");
+assertEq(log, "LS");
+
+var funky =
+  {
+    toString: function()
+    {
+      Array.prototype[1] = "chorp";
+      Object.prototype[3] = "fnord";
+      return "funky";
+    }
+  };
+var trailingHoles = [0, funky, /* 2 */, /* 3 */,];
+assertEq(trailingHoles.join(""), "0funkyfnord");
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");