1 files changed, 165 insertions, 0 deletions
diff --git a/js/src/tests/js1_7/extensions/basic-Iterator.js b/js/src/tests/js1_7/extensions/basic-Iterator.js
new file mode 100644
index 000000000..b35f46d03
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/basic-Iterator.js
@@ -0,0 +1,165 @@
+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER     = "(none)";
+var summary = "Basic support for accessing iterable objects using Iterator";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function Array_equals(a, b)
+{
+  if (!(a instanceof Array) || !(b instanceof Array))
+    throw new Error("Arguments not both of type Array");
+  if (a.length != b.length)
+    return false;
+  for (var i = 0, sz = a.length; i < sz; i++)
+    if (a[i] !== b[i])
+      return false;
+  return true;
+}
+
+var iterable = { persistedProp: 17 };
+
+try
+{
+  // nothing unusual so far -- verify basic properties
+  for (var i in iterable)
+  {
+    if (i != "persistedProp")
+      throw "no persistedProp!";
+    if (iterable[i] != 17)
+      throw "iterable[\"persistedProp\"] == 17";
+  }
+
+  var keys = ["foo", "bar", "baz"];
+  var vals = [6, 5, 14];
+
+  iterable.__iterator__ =
+    function(keysOnly)
+    {
+      var gen =
+      function()
+      {
+	for (var i = 0; i < keys.length; i++)
+	{
+	  if (keysOnly)
+	    yield keys[i];
+	  else
+	    yield [keys[i], vals[i]];
+	}
+      };
+      return gen();
+    };
+
+  /* Test [key, value] Iterator */
+  var index = 0;
+  var lastSeen = "INITIALVALUE";
+  var it = Iterator(iterable);
+  try
+  {
+    while (true)
+    {
+      var nextVal = it.next();
+      if (!Array_equals(nextVal, [keys[index], vals[index]]))
+        throw "Iterator(iterable): wrong next result\n" +
+	  "  expected: " + [keys[index], vals[index]] + "\n" +
+	  "  actual:   " + nextVal;
+      lastSeen = keys[index];
+      index++;
+    }
+  }
+  catch (e)
+  {
+    if (lastSeen !== keys[keys.length - 1])
+      throw "Iterator(iterable): not everything was iterated!\n" +
+	"  last iterated was: " + lastSeen + "\n" +
+	"  error: " + e;
+    if (e !== StopIteration)
+      throw "Iterator(iterable): missing or invalid StopIteration";
+  }
+
+  if (iterable.persistedProp != 17)
+    throw "iterable.persistedProp not persisted!";
+
+  /* Test [key, value] Iterator, called with an explicit |false| parameter */
+  var index = 0;
+  lastSeen = "INITIALVALUE";
+  it = Iterator(iterable, false);
+  try
+  {
+    while (true)
+    {
+      var nextVal = it.next();
+      if (!Array_equals(nextVal, [keys[index], vals[index]]))
+        throw "Iterator(iterable, false): wrong next result\n" +
+	  "  expected: " + [keys[index], vals[index]] + "\n" +
+	  "  actual:   " + nextVal;
+      lastSeen = keys[index];
+      index++;
+    }
+  }
+  catch (e)
+  {
+    if (lastSeen !== keys[keys.length - 1])
+      throw "Iterator(iterable, false): not everything was iterated!\n" +
+	"  last iterated was: " + lastSeen + "\n" +
+	"  error: " + e;
+    if (e !== StopIteration)
+      throw "Iterator(iterable, false): missing or invalid StopIteration";
+  }
+
+  if (iterable.persistedProp != 17)
+    throw "iterable.persistedProp not persisted!";
+
+  /* Test key-only Iterator */
+  index = 0;
+  lastSeen = undefined;
+  it = Iterator(iterable, true);
+  try
+  {
+    while (true)
+    {
+      var nextVal = it.next();
+      if (nextVal !== keys[index])
+        throw "Iterator(iterable, true): wrong next result\n" +
+	  "  expected: " + keys[index] + "\n" +
+	  "  actual:   " + nextVal;
+      lastSeen = keys[index];
+      index++;
+    }
+  }
+  catch (e)
+  {
+    if (lastSeen !== keys[keys.length - 1])
+      throw "Iterator(iterable, true): not everything was iterated!\n" +
+	"  last iterated was: " + lastSeen + "\n" +
+	"  error: " + e;
+    if (e !== StopIteration)
+      throw "Iterator(iterable, true): missing or invalid StopIteration";
+  }
+
+  if (iterable.persistedProp != 17)
+    throw "iterable.persistedProp not persisted!";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);