Add m-esr52 at 52.6.0

49 files changed, 2413 insertions, 0 deletions

diff --git a/js/src/tests/js1_7/geniter/326466-01.js b/js/src/tests/js1_7/geniter/326466-01.js
new file mode 100644
index 000000000..4c9bf1ad3
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/326466-01.js
@@ -0,0 +1,45 @@
+/* -*- 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 = 326466;
+var summary = 'Implement Pythonic generators and iteration protocol support';
+var actual;
+var expect;
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+ 
+function fib()
+{
+  var a = 0, b = 1;
+
+  while (true)
+  {
+    yield a;
+    var t = a;
+    a = b;
+    b += t;
+  }
+}
+
+var g = fib();
+
+expect = '[object Generator]';
+actual = g.toString();
+reportCompare(expect, actual, summary);
+
+var actual = [];
+var expect = [0, 1, 1, 2, 3, 5, 8, 13];
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+actual.push(g.next());
+reportCompare(expect.join(), actual.join(), summary);
+
diff --git a/js/src/tests/js1_7/geniter/browser.js b/js/src/tests/js1_7/geniter/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/browser.js
diff --git a/js/src/tests/js1_7/geniter/builtin-Iterator-function.js b/js/src/tests/js1_7/geniter/builtin-Iterator-function.js
new file mode 100644
index 000000000..01b659e7d
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/builtin-Iterator-function.js
@@ -0,0 +1,89 @@
+/* -*- 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 = "Iterator() test";
+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 meow = "meow", oink = "oink", baa = "baa";
+
+var it = Iterator([meow, oink, baa]);
+var it2 = Iterator([meow, oink, baa], true);
+
+try
+{
+  if (!Array_equals(it.next(), [0, meow]))
+    throw [0, meow];
+  if (!Array_equals(it.next(), [1, oink]))
+    throw [1, oink];
+  if (!Array_equals(it.next(), [2, baa]))
+    throw [2, baa];
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it: missing or incorrect StopIteration";
+
+  if (it2.next() != 0)
+    throw "wanted key=0";
+  if (it2.next() != 1)
+    throw "wanted key=1";
+  if (it2.next() != 2)
+    throw "wanted key=2";
+
+  var stopPassed = false;
+  try
+  {
+    it2.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it2: missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/close-returns-undefined.js b/js/src/tests/js1_7/geniter/close-returns-undefined.js
new file mode 100644
index 000000000..a1f81ec5b
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/close-returns-undefined.js
@@ -0,0 +1,20 @@
+function gen() {
+    yield 3;
+}
+
+var g = gen();
+assertEq(g.close(), undefined);
+
+var h = gen();
+assertEq(h.next(), 3);
+var caught = false;
+try {
+    h.next();
+} catch (e) {
+    caught = true;
+    assertEq(e instanceof StopIteration, true);
+}
+assertEq(caught, true);
+assertEq(h.close(), undefined);
+
+reportCompare();
diff --git a/js/src/tests/js1_7/geniter/fibonacci-matrix-generator.js b/js/src/tests/js1_7/geniter/fibonacci-matrix-generator.js
new file mode 100644
index 000000000..e1c9efb13
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/fibonacci-matrix-generator.js
@@ -0,0 +1,64 @@
+/* -*- 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 = "Fibonacci generator by matrix multiplication";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function fib()
+{
+  var init = [1, 0];
+  var mx = [[1, 1], [1, 0]];
+  while (true)
+  {
+    yield init[1];
+    var tmp = [,];
+    tmp[0] =
+      mx[0][0]*init[0] + mx[0][1]*init[1];
+    tmp[1] =
+      mx[1][0]*init[0] + mx[1][1]*init[1];
+    init = tmp;
+  }
+}
+
+var failed = false;
+var it = fib();
+
+try
+{
+  if (it.next() != 0)
+    throw "F_0 failed";
+  if (it.next() != 1)
+    throw "F_1 failed";
+  if (it.next() != 1)
+    throw "F_2 failed";
+  if (it.next() != 2)
+    throw "F_3 failed";
+  if (it.next() != 3)
+    throw "F_4 failed";
+  if (it.next() != 5)
+    throw "F_5 failed";
+  if (it.next() != 8)
+    throw "F_6 failed";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/gen-with-call-obj.js b/js/src/tests/js1_7/geniter/gen-with-call-obj.js
new file mode 100644
index 000000000..90c6f09c5
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/gen-with-call-obj.js
@@ -0,0 +1,36 @@
+var foo;
+
+function gen() {
+    var x = 0;
+    foo = function() { return x++; }
+    for (var i = 0; i < 10; ++i)
+        yield x++;
+}
+
+var j = 0;
+for (i in gen())
+    assertEq(i, j++);
+
+// now mess up the stack
+
+function f1(x) {
+    var a, b, c, d, e, f, g;
+    return x <= 0 ? 0 : f1(x-1);
+}
+f1(10);
+function f2(x) {
+    var a = x, b = x;
+    return x <= 0 ? 0 : f2(x-1);
+}
+f2(10);
+
+// now observe gen's call object (which should have been put)
+
+gc();
+assertEq(foo(), 10);
+gc();
+assertEq(foo(), 11);
+gc();
+assertEq(foo(), 12);
+
+reportCompare(true,true);
diff --git a/js/src/tests/js1_7/geniter/iterator-toString.js b/js/src/tests/js1_7/geniter/iterator-toString.js
new file mode 100644
index 000000000..686ec0c8b
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/iterator-toString.js
@@ -0,0 +1,43 @@
+/* -*- 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 = "gen.toString() omitting 'yield' from value";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function gen()
+{
+  yield 17;
+}
+
+try
+{
+  var str = gen.toString();
+  var index = str.search(/yield/);
+
+  if (index < 0)
+    throw "yield not found in str: " + str;
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/message-value-passing.js b/js/src/tests/js1_7/geniter/message-value-passing.js
new file mode 100644
index 000000000..626c788be
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/message-value-passing.js
@@ -0,0 +1,88 @@
+/* -*- 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     = 326466;
+var summary = "Generator value/exception passing";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function gen()
+{
+  var rv, rv2, rv3, rv4;
+  rv = yield 1;
+
+  if (rv)
+    rv2 = yield rv;
+  else
+    rv3 = yield 2;
+
+  try
+  {
+    if (rv2)
+      yield rv2;
+    else
+      rv3 = yield 3;
+  }
+  catch (e)
+  {
+    if (e == 289)
+      yield "exception caught";
+  }
+
+  yield 5;
+}
+
+var failed = false;
+var it = gen();
+
+try
+{
+  if (it.next() != 1)
+    throw "failed on 1";
+
+  if (it.send(17) != 17)
+    throw "failed on 17";
+
+  if (it.next() != 3)
+    throw "failed on 3";
+
+  if (it.throw(289) != "exception caught")
+    throw "it.throw(289) failed";
+
+  if (it.next() != 5)
+    throw "failed on 5";
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/multiple-close.js b/js/src/tests/js1_7/geniter/multiple-close.js
new file mode 100644
index 000000000..7864459ef
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/multiple-close.js
@@ -0,0 +1,65 @@
+/* -*- 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 = "calling it.close multiple times is harmless";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function fib()
+{
+  yield 0; // 0
+  yield 1; // 1
+  yield 1; // 2
+  yield 2; // 3
+  yield 3; // 4
+  yield 5; // 5
+  yield 8; // 6
+}
+
+var failed = false;
+var it = fib();
+
+try
+{
+  if (it.next() != 0)
+    throw "0 failed";
+
+  // closing an already-closed generator is a no-op
+  it.close();
+  it.close();
+  it.close();
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+  if (!stopPassed)
+    throw "a closed iterator throws StopIteration on next";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/nested-yield.js b/js/src/tests/js1_7/geniter/nested-yield.js
new file mode 100644
index 000000000..a5a1bf59e
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/nested-yield.js
@@ -0,0 +1,58 @@
+/* -*- 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 = "YieldExpression is and contains an AssignmentExpression";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function gen()
+{
+  yield (yield (yield 7));
+}
+
+var it = gen();
+
+try
+{
+  if (it.next() != 7)
+    throw "7 not yielded";
+  if (it.send(17) != 17)
+    throw "passed-in 17 not yielded";
+  if (it.send(undefined) !== undefined)
+    throw "should be able to yield undefined";
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it: missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/pi-generator.js b/js/src/tests/js1_7/geniter/pi-generator.js
new file mode 100644
index 000000000..5be593ab4
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/pi-generator.js
@@ -0,0 +1,59 @@
+/* -*- 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 = "A (slow) generator of pi";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function pi()
+{
+  var val = 0;
+  var curr = 1;
+  var isNeg = false;
+  while (true)
+  {
+    if (isNeg)
+      yield val -= 4/curr;
+    else
+      yield val += 4/curr;
+    curr += 2;
+    isNeg = !isNeg;
+  }
+}
+
+var failed = false;
+var it = pi();
+
+var vals =
+  [4,
+   4 - 4/3,
+   4 - 4/3 + 4/5,
+   4 - 4/3 + 4/5 - 4/7];
+
+try
+{
+  for (var i = 0, sz = vals.length; i < sz; i++)
+    if (it.next() != vals[i])
+      throw vals[i];
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/regress-345855.js b/js/src/tests/js1_7/geniter/regress-345855.js
new file mode 100644
index 000000000..a88ccd440
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-345855.js
@@ -0,0 +1,93 @@
+/* -*- 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 = 345855;
+var summary = 'Blank yield expressions are not syntax errors';
+var actual = '';
+var expect = 'No Error';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = "SyntaxError";
+  try
+  {
+    eval('(function() {x = 12 + yield;})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary + ': function() {x = 12 + yield;}');
+
+  expect = "SyntaxError";
+  try
+  {
+    eval('(function() {x = 12 + yield 42})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary + ': function() {x = 12 + yield 42}');
+
+  expect = 'No Error';
+  try
+  {
+    eval('(function() {x = 12 + (yield);})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function() {x = 12 + (yield);}');
+
+  try
+  {
+    eval('(function () {foo((yield))})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function () {foo((yield))}');
+
+  try
+  {
+    eval('(function() {x = 12 + (yield 42)})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function() {x = 12 + (yield 42)}');
+
+  try
+  {
+    eval('(function (){foo((yield 42))})');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary + ': function (){foo((yield 42))}');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-345879-01.js b/js/src/tests/js1_7/geniter/regress-345879-01.js
new file mode 100644
index 000000000..540852a23
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-345879-01.js
@@ -0,0 +1,33 @@
+/* -*- 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 = 345879;
+var summary = 'Crash when calling a function from a generator with less arguments than its arity ';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function gen() {
+    yield isNaN();
+  }
+
+  f = gen();
+  f.next();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-345879-02.js b/js/src/tests/js1_7/geniter/regress-345879-02.js
new file mode 100644
index 000000000..aec3d81a1
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-345879-02.js
@@ -0,0 +1,34 @@
+/* -*- 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 = 345879;
+var summary = 'Crash when calling a function from a generator with less arguments than its arity ';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen() {
+    (yield 5)();
+    yield;
+  }
+  f = gen();
+  f.next();
+  f.send(Function());
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-347593.js b/js/src/tests/js1_7/geniter/regress-347593.js
new file mode 100644
index 000000000..353d9412c
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-347593.js
@@ -0,0 +1,60 @@
+/* -*- 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 = 347593;
+var summary = 'For-each loop with destructuring assignment';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+  // the expected result was '23'.
+  expect = 'TypeError';
+  actual = '';
+  try {
+    for (let [, { a: b }] in [{ a: 2 }, { a: 3 }]) {
+      actual += b;
+    }
+    reportCompare(expect, actual, summary);
+  } catch (ex) {
+    actual = ex.name;
+  }
+
+  expect = '23';
+  actual = '';
+  for each (let { a: b } in [{ a: 2 }, { a: 3 }])
+  {
+    actual += b;
+  }
+  reportCompare(expect, actual, summary);
+
+  expect = 'TypeError';
+  actual = '';
+  try
+  {
+    for each (let [, { a: b }] in [{ a: 2 }, { a: 3 }])
+    {
+      actual += b;
+    }
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-347739.js b/js/src/tests/js1_7/geniter/regress-347739.js
new file mode 100644
index 000000000..46c749ec7
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-347739.js
@@ -0,0 +1,49 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 = 347739;
+var summary = 'generator_instance.close readonly and immune';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen_test(test_index)
+  {
+    try {
+      yield 1;
+    } finally {
+      actual += "Inside finally: "+test_index + ' ';
+    }
+  }
+
+  actual = '';
+  expect = 'Inside finally: 1 Inside finally: 2 ';
+
+  var iter1 = gen_test(1);
+  iter1.next();
+  iter1.close = null;
+  iter1 = null;
+  gc();
+
+  var iter2 = gen_test(2);
+  for (i in iter2)
+    iter2.close = null;
+
+  reportCompare(expect, actual, summary + ': 2');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-01.js b/js/src/tests/js1_7/geniter/regress-349012-01.js
new file mode 100644
index 000000000..297b03732
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-01.js
@@ -0,0 +1,52 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 = 349012;
+var summary = 'closing a generator fails to report error if yield during close is ignored';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+if (typeof quit != 'undefined')
+{
+  quit(0);
+}
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = "Inner finally,Outer finally";
+
+  function gen()
+  {
+    try {
+      try {
+        yield 1;
+      } finally {
+        actual += "Inner finally";
+        yield 2;
+      }
+    } finally {
+      actual += ",Outer finally";
+    }
+  }
+
+  var iter = gen();
+  iter.next();
+  iter = null;
+  gc();
+
+  reportCompare(expect, actual, summary);
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-02.js b/js/src/tests/js1_7/geniter/regress-349012-02.js
new file mode 100644
index 000000000..5c78423cd
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-02.js
@@ -0,0 +1,61 @@
+/* -*- 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 = 349012;
+var summary = 'generators with nested try finally blocks';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = "[object StopIteration]";
+  var expectyield   = "12";
+  var expectfinally = "Inner finally,Outer finally";
+  var actualyield = "";
+  var actualfinally = "";
+
+  function gen()
+  {
+    try {
+      try {
+        yield 1;
+      } finally {
+        actualfinally += "Inner finally";
+        yield 2;
+      }
+    } finally {
+      actualfinally += ",Outer finally";
+    }
+  }
+
+  var iter = gen();
+  actualyield += iter.next();
+  actualyield += iter.next();
+  try
+  {
+    actualyield += iter.next();
+    actual = "No exception";
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+ 
+  reportCompare(expect, actual, summary);
+  reportCompare(expectyield, actualyield, summary);
+  reportCompare(expectfinally, actualfinally, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-03.js b/js/src/tests/js1_7/geniter/regress-349012-03.js
new file mode 100644
index 000000000..4d1747597
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-03.js
@@ -0,0 +1,42 @@
+/* -*- 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 = 349012;
+var summary = 'generator recursively calling itself via send is a TypeError';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen() {
+    var iter = yield;
+    try {
+      iter.send(1);
+    } catch (e) {
+      yield e;
+    }
+  }
+
+  expect = true;
+  var iter = gen();
+  iter.next();
+  var ex = iter.send(iter);
+  print(ex + '');
+  actual = (ex instanceof TypeError);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-04.js b/js/src/tests/js1_7/geniter/regress-349012-04.js
new file mode 100644
index 000000000..705bbd909
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-04.js
@@ -0,0 +1,42 @@
+/* -*- 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 = 349012;
+var summary = 'generator recursively calling itself via next is an Error';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen() {
+    var iter = yield;
+    try {
+      iter.next(1);
+    } catch (e) {
+      yield e;
+    }
+  }
+
+  expect = true;
+  var iter = gen();
+  iter.next();
+  var ex = iter.send(iter);
+  print(ex + '');
+  actual = (ex instanceof TypeError);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349012-05.js b/js/src/tests/js1_7/geniter/regress-349012-05.js
new file mode 100644
index 000000000..5eb442b9a
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349012-05.js
@@ -0,0 +1,43 @@
+/* -*- 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 = 349012;
+var summary = 'generator recursively calling itself via close is an Error';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var iter;
+  function gen() {
+    iter.close();
+    yield 1;
+  }
+
+  expect = /TypeError.*[aA]lready executing generator/;
+  try
+  {
+    iter = gen();
+    var i = iter.next();
+    print("i="+i);
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349023-01.js b/js/src/tests/js1_7/geniter/regress-349023-01.js
new file mode 100644
index 000000000..3eab5eb94
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349023-01.js
@@ -0,0 +1,42 @@
+/* -*- 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 = 349023;
+var summary = 'Bogus JSCLASS_IS_EXTENDED in the generator class';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  function gen() {
+    var i = 0;
+    yield i;
+  }
+
+  try
+  {
+    var g = gen();
+    for (var i = 0; i < 10; i++) {
+      print(g.next());
+    }
+  }
+  catch(ex)
+  {
+  }
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349023-02.js b/js/src/tests/js1_7/geniter/regress-349023-02.js
new file mode 100644
index 000000000..25bde697c
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349023-02.js
@@ -0,0 +1,29 @@
+/* -*- 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 = 349023;
+var summary = 'Bogus JSCLASS_IS_EXTENDED in the generator class';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var gen = (function() { yield 3; })();
+  gen.foopy;
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349023-03.js b/js/src/tests/js1_7/geniter/regress-349023-03.js
new file mode 100644
index 000000000..26201061d
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349023-03.js
@@ -0,0 +1,29 @@
+/* -*- 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 = 349023;
+var summary = 'Bogus JSCLASS_IS_EXTENDED in the generator class';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var gen = (function() { yield 3; })();
+  var x = (gen ==gen);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349331.js b/js/src/tests/js1_7/geniter/regress-349331.js
new file mode 100644
index 000000000..091fbb1f0
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349331.js
@@ -0,0 +1,95 @@
+// |reftest| skip -- obsolete test
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 = 349331;
+var summary = 'generator.close without GeneratorExit';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var catch1, catch2, catch3, finally1, finally2, finally3;
+  var iter;
+
+  function gen()
+  {
+    yield 1;
+    try {
+      try {
+        try {
+          yield 1;
+        } catch (e) {
+          catch1 = true;
+        } finally {
+          finally1 = true;
+        }
+      } catch (e) {
+        catch2 = true;
+      } finally {
+        finally2 = true;
+      }
+    } catch (e) {
+      catch3 = true;
+    } finally {
+      finally3 = true;
+    }
+  }
+
+// test explicit close call
+  catch1 = catch2 = catch3 = finally1 = finally2 = finally3 = false;
+  iter = gen();
+  iter.next();
+  iter.next();
+  iter.close();
+
+  var passed = !catch1 && !catch2 && !catch3 && finally1 && finally2 &&
+    finally3;
+
+  if (!passed) {
+    print("Failed!");
+    print("catch1=" + catch1 + " catch2=" + catch2 + " catch3=" +
+	  catch3);
+    print("finally1=" + finally1 + " finally2=" + finally2 +
+	  " finally3=" + finally3);
+  }
+
+  reportCompare(true, passed, 'test explicit close call');
+
+// test GC-invoked close
+  catch1 = catch2 = catch3 = finally1 = finally2 = finally3 = false;
+  iter = gen();
+  iter.next();
+  iter.next();
+  iter = null;
+  gc();
+  gc();
+
+  var passed = !catch1 && !catch2 && !catch3 && finally1 && finally2 &&
+    finally3;
+
+  if (!passed) {
+    print("Failed!");
+    print("catch1=" + catch1 + " catch2=" + catch2 + " catch3=" +
+	  catch3);
+    print("finally1=" + finally1 + " finally2=" + finally2 +
+	  " finally3="+finally3);
+  }
+  reportCompare(true, passed, 'test GC-invoke close');
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349362.js b/js/src/tests/js1_7/geniter/regress-349362.js
new file mode 100644
index 000000000..e87c25d16
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349362.js
@@ -0,0 +1,29 @@
+/* -*- 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 = 349362;
+var summary = 'generator toString should be [object Generator]';
+var actual = '';
+var expect = '[object Generator]';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var y = function(){ yield 3};
+  actual = y().toString();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-349851.js b/js/src/tests/js1_7/geniter/regress-349851.js
new file mode 100644
index 000000000..efd4ee626
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-349851.js
@@ -0,0 +1,36 @@
+/* -*- 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 = 349851;
+var summary = 'decompilation of yield \\n, 3';
+var actual = '';
+var expect = 'SyntaxError';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  // note the newline after yield is required for this test
+  try
+  {
+    var f = eval('function(){ yield \n,3 }');
+  }
+  catch(ex)
+  {
+    actual = ex.name;
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-350621.js b/js/src/tests/js1_7/geniter/regress-350621.js
new file mode 100644
index 000000000..60d7d5491
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-350621.js
@@ -0,0 +1,63 @@
+/* -*- 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 = 350621;
+var summary = 'for-in loops over generator objects';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var LOOPS = 500;
+
+  function gen1() {
+    for (var a = 1; a <= LOOPS; ++a)
+      yield;
+  }
+
+  function gen2() {
+    for (var b in gen1())
+      yield;
+  }
+
+  function test_it(RUNS) {
+    for (var c = 1; c <= RUNS; ++c) {
+      var count = 0;
+      for (var d in gen2()) {
+        // The next line is needed to demonstrate the bug.
+        // Note that simply omitting the "x" triggers the bug far less often.
+        Object("x");
+        ++count;
+      }
+      if (count != LOOPS) {
+        print("Test run " + c + ": test failed, count = " + count +
+	      ", should be " + LOOPS);
+        var failed = true;
+      }
+    }
+    actual = !failed;
+    if (!failed)
+    {
+      print("Test passed.");
+    }
+  }
+
+  expect = true;
+  test_it(20);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-350809.js b/js/src/tests/js1_7/geniter/regress-350809.js
new file mode 100644
index 000000000..fd1f600c8
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-350809.js
@@ -0,0 +1,36 @@
+/* -*- 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 = 350809;
+var summary = 'Do not assertion: if yield in xml filtering predicate';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  try
+  {
+    eval('(function(){ <x/>.(yield 4) })().next();');
+  }
+  catch(ex)
+  {
+    actual = expect =
+      'InternalError: yield not yet supported from filtering predicate';
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-351120.js b/js/src/tests/js1_7/geniter/regress-351120.js
new file mode 100644
index 000000000..e01c2595a
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-351120.js
@@ -0,0 +1,36 @@
+/* -*- 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 = 351120;
+var summary = 'Incorrect error messages with yield expressions';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = /TypeError:.*(is not a function|Cannot find function).*/;
+  actual = '';
+  try
+  {
+    (function() { yield [].z({}); })().next();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-352197.js b/js/src/tests/js1_7/geniter/regress-352197.js
new file mode 100644
index 000000000..7982e12ee
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-352197.js
@@ -0,0 +1,36 @@
+/* -*- 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 = 352197;
+var summary = 'TypeError if yield after return value in a block';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = /TypeError: anonymous generator function returns a value/;
+  try
+  {
+    var gen = eval('(function() { { return 5; } yield 3; })');
+    actual = 'No Error';
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportMatch(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-352876.js b/js/src/tests/js1_7/geniter/regress-352876.js
new file mode 100644
index 000000000..600c82899
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-352876.js
@@ -0,0 +1,42 @@
+/* -*- 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 = 352876;
+var summary = 'Do not assert with nested finally return|yield';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = '[object StopIteration]';
+  actual = '';
+  try
+  {
+    var g = (function() {
+	       try { try { } finally { return; } } finally { yield 3; }
+	     })();
+
+    g.next();
+    g.next();
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-355834.js b/js/src/tests/js1_7/geniter/regress-355834.js
new file mode 100644
index 000000000..37624fa53
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-355834.js
@@ -0,0 +1,30 @@
+/* -*- 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 = 355834;
+var summary = 'new Function("yield")';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = '[object Generator]';
+  var g = (new Function('yield'))(1);
+  actual = g + '';
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-359062.js b/js/src/tests/js1_7/geniter/regress-359062.js
new file mode 100644
index 000000000..9a806d7cf
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-359062.js
@@ -0,0 +1,41 @@
+/* -*- 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 = 359062;
+var summary = 'Access generator local variables from nested functions';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = "Generator string";
+
+  var scope = "Global";
+
+  function gen() {
+    var scope = "Generator";
+    function inner() {
+      actual = scope + " " + typeof scope;
+    }
+    inner();
+    yield;
+  }
+
+  gen().next();
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-366941.js b/js/src/tests/js1_7/geniter/regress-366941.js
new file mode 100644
index 000000000..74ee3a937
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-366941.js
@@ -0,0 +1,83 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor: Robert Sayre
+ */
+
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 366941;
+var summary = 'Destructuring enumerations, iterations';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var list1 = [[1,2],[3,4],[5,6]];
+  var list2 = [[1,2,3],[4,5,6],[7,8,9]];
+
+  expect = '1,2;3,4;5,6;';
+  actual = '';
+
+  for each (var [foo, bar] in list1) {
+    actual += foo + "," + bar + ";";
+  }
+
+  reportCompare(expect, actual, summary + ': 1');
+
+  expect = '1,2,3;4,5,6;7,8,9;';
+  actual = '';
+  for each (var [foo, bar, baz] in list2) {
+    actual += foo + "," + bar + "," + baz + ";";
+  }
+
+  reportCompare(expect, actual, summary + ': 2');
+
+  function gen(list) {
+    for each (var test in list) {
+      yield test;
+    }
+  }
+
+  var iter1 = gen(list1);
+
+  expect = '1,2;3,4;5,6;';
+  actual = '';
+
+  for (var [foo, bar] in iter1) {
+    actual += foo + "," + bar + ";";
+  }
+
+  reportCompare(expect, actual, summary + ': 3');
+
+  // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+  // the expected result was a SyntaxError about the for…in loop's lhs.
+  var iter2 = gen(list2);
+  expect = '1,2,3;4,5,6;7,8,9;';
+  actual = '';
+
+  try
+  {
+    eval('for (var [foo, bar, baz] in iter2) {' +
+         'actual += foo + "," + bar + "," + baz + ";";' +
+         '}');
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+
+  reportCompare(expect, actual, summary + ': 4');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-382335.js b/js/src/tests/js1_7/geniter/regress-382335.js
new file mode 100644
index 000000000..357156ce1
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-382335.js
@@ -0,0 +1,36 @@
+/* -*- 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 = 382335;
+var summary = 'Trampolining threads using generators and iterators';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function make_gen() { yield 1; }
+
+  var gen2 = make_gen();
+
+  gen2.next();
+  gen2.close();
+
+  print(10);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-387871.js b/js/src/tests/js1_7/geniter/regress-387871.js
new file mode 100644
index 000000000..bb5202dae
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-387871.js
@@ -0,0 +1,41 @@
+/* -*- 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 = 387871;
+var summary = 'Do not assert: gen->state != JSGEN_RUNNING && gen->state != JSGEN_CLOSING';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var a = gen();
+
+  try {
+    a.next();
+    throw "a.next() should throw about already invoked generator";
+  } catch (e) {
+    if (!(e instanceof TypeError))
+      throw e;
+  }
+
+  function gen()
+  {
+    for (x in a)
+      yield 1;
+  }
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-390918.js b/js/src/tests/js1_7/geniter/regress-390918.js
new file mode 100644
index 000000000..fdd19e2ad
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-390918.js
@@ -0,0 +1,46 @@
+/* -*- 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 = 390918;
+var summary = 'Do not assert: !gen->frame.down" with gc in generator';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  function gen()
+  {
+    var c = [1, "x"];
+    gc();
+    try {
+      yield c;
+    } finally {
+      gc();
+    }
+  }
+
+  var iter = gen();
+  var i;
+  for (i in iter) {
+    gc();
+    iter.close();
+  }
+
+  if (!(i.length === 2 && i[0] === 1 && i[1] === "x"))
+    throw "Unexpected yield result: "+i;
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-392310.js b/js/src/tests/js1_7/geniter/regress-392310.js
new file mode 100644
index 000000000..a6edd25f7
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-392310.js
@@ -0,0 +1,42 @@
+/* -*- 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 = 392310;
+var summary = 'send on newborn generator';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  print("See http://developer.mozilla.org/en/docs/New_in_JavaScript_1.7");
+
+  function yielder() {
+    actual = 'before yield';
+    yield;
+    actual = 'after yield';
+  }
+
+  var gen = yielder();
+  expect = 'before yield';
+  gen.send('foo');
+  reportCompare(expect, actual, 'send(value) to newborn generator');
+
+  var gen = yielder();
+  expect = 'before yield';
+  gen.send(undefined);
+  reportCompare(expect, actual, 'send(undefined) to newborn generator');
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/regress-466206.js b/js/src/tests/js1_7/geniter/regress-466206.js
new file mode 100644
index 000000000..fc6b2fe9e
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/regress-466206.js
@@ -0,0 +1,38 @@
+/* -*- 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 = 466206;
+var summary = 'Do not crash due to unrooted function variables';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var f;
+
+  function g() {
+    var x = {};
+    f = function () { x.y; };
+    if (0) yield;
+  }
+
+  try { g().next(); } catch (e) {}
+  gc();
+  f();
+ 
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}
diff --git a/js/src/tests/js1_7/geniter/send-no-rhs.js b/js/src/tests/js1_7/geniter/send-no-rhs.js
new file mode 100644
index 000000000..e37681ba9
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/send-no-rhs.js
@@ -0,0 +1,57 @@
+/* -*- 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 = "|it.send(o)| without an RHS";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function gen()
+{
+  yield 7;
+  yield 3;
+}
+
+var it = gen();
+
+try
+{
+  if (it.next() != 7)
+    throw "7 not yielded";
+  if (it.send(12) != 3)
+    throw "3 not yielded";
+
+  var stopPassed = false;
+  try
+  {
+    it.send(35); // resultant value of |yield 3;|
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it: missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/sequential-yields.js b/js/src/tests/js1_7/geniter/sequential-yields.js
new file mode 100644
index 000000000..b829907b6
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/sequential-yields.js
@@ -0,0 +1,72 @@
+/* -*- 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 = "Sequential yields";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function fib()
+{
+  yield 0; // 0
+  yield 1; // 1
+  yield 1; // 2
+  yield 2; // 3
+  yield 3; // 4
+  yield 5; // 5
+  yield 8; // 6
+}
+
+var failed = false;
+var it = fib();
+
+try
+{
+  if (it.next() != 0)
+    throw "0 failed";
+  if (it.next() != 1)
+    throw "1 failed";
+  if (it.next() != 1)
+    throw "2 failed";
+  if (it.next() != 2)
+    throw "3 failed";
+  if (it.next() != 3)
+    throw "4 failed";
+  if (it.next() != 5)
+    throw "5 failed";
+  if (it.next() != 8)
+    throw "6 failed";
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+  if (!stopPassed)
+    throw "missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/shell.js b/js/src/tests/js1_7/geniter/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/shell.js
diff --git a/js/src/tests/js1_7/geniter/simple-fib.js b/js/src/tests/js1_7/geniter/simple-fib.js
new file mode 100644
index 000000000..51c144ab9
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/simple-fib.js
@@ -0,0 +1,55 @@
+/* -*- 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     = 326466;  // bug 326466, comment 1
+var summary = "Simple Fibonacci iterator";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function fib()
+{
+  var a = 0, b = 1;
+  while (true)
+  {
+    yield a;
+    var t = a;
+    a = b;
+    b += t;
+  }
+}
+
+var failed = false;
+
+try
+{
+  var g = fib();
+
+  if (g.next() != 0)
+    throw "F_0 = 0";
+  if (g.next() != 1)
+    throw "F_1 = 1";
+  if (g.next() != 1)
+    throw "F_2 = 1";
+  if (g.next() != 2)
+    throw "F_3 = 2";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/throw-after-close.js b/js/src/tests/js1_7/geniter/throw-after-close.js
new file mode 100644
index 000000000..3aef5e306
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/throw-after-close.js
@@ -0,0 +1,90 @@
+/* -*- 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 = "gen.close(); gen.throw(ex) throws ex forever";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function gen()
+{
+  var x = 5, y = 7;
+  var z = x + y;
+  yield z;
+}
+
+var failed = false;
+var it = gen();
+
+try
+{
+  it.close();
+
+  // throw on closed generators just rethrows
+  var doThrow = true;
+  var thrown = "foobar";
+  try
+  {
+    it.throw(thrown);
+  }
+  catch (e)
+  {
+    if (e === thrown)
+      doThrow = false;
+  }
+
+  if (doThrow)
+    throw "it.throw(\"" + thrown + "\") failed";
+
+  // you can throw stuff at a closed generator forever
+  doThrow = true;
+  thrown = "sparky";
+  try
+  {
+    it.throw(thrown);
+  }
+  catch (e)
+  {
+    if (e === thrown)
+      doThrow = false;
+  }
+
+  if (doThrow)
+    throw "it.throw(\"" + thrown + "\") failed";
+
+  // don't execute a yield -- the uncaught exception
+  // exhausted the generator
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "invalid or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/throw-forever.js b/js/src/tests/js1_7/geniter/throw-forever.js
new file mode 100644
index 000000000..2e28b39f9
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/throw-forever.js
@@ -0,0 +1,85 @@
+/* -*- 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 = "gen.throw(ex) returns ex for an exhausted gen";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function gen()
+{
+  var x = 5, y = 7;
+  var z = x + y;
+  yield z;
+}
+
+var failed = false;
+var it = gen();
+
+try
+{
+  // throw works even on newly-initialized generators
+  var thrown = "foobar";
+  var doThrow = true;
+  try
+  {
+    it.throw(thrown);
+  }
+  catch (e)
+  {
+    if (e === thrown)
+      doThrow = false;
+  }
+  if (doThrow)
+    throw "it.throw(\"" + thrown + "\") failed";
+
+  // you can throw stuff at a generator which hasn't
+  // been used yet forever
+  thrown = "baz";
+  doThrow = true;
+  try
+  {
+    it.throw(thrown);
+  }
+  catch (e)
+  {
+    if (e === thrown)
+      doThrow = false;
+  }
+  if (doThrow)
+    throw "it.throw(\"" + thrown + "\") failed";
+
+  // don't execute a yield -- the uncaught exception
+  // exhausted the generator
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/unreachable-yield.js b/js/src/tests/js1_7/geniter/unreachable-yield.js
new file mode 100644
index 000000000..b1338ff64
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/unreachable-yield.js
@@ -0,0 +1,57 @@
+/* -*- 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 = "Iterator with unreachable yield statement";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function gen()
+{
+  // this is still a generator even if yield can't
+  // be invoked, because yield is a syntactical
+  // part of the language
+  if (false)
+    yield "failed";
+}
+
+var failed = false;
+try
+{
+  var it = gen();
+  if (it == undefined)
+    throw "gen() not recognized as generator";
+
+  // no yields to execute
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "incorrect or invalid StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/js1_7/geniter/yield-new.js b/js/src/tests/js1_7/geniter/yield-new.js
new file mode 100644
index 000000000..726da3944
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/yield-new.js
@@ -0,0 +1,28 @@
+const K = 20;
+
+var obj;
+
+var g = new function() {
+    this.x = "puppies";
+    obj = this;
+    for (var i = 0; i < K; ++i)
+        yield i;
+    yield this;
+}
+
+var ct = 0;
+for (var i in g)
+    assertEq((ct < K && ct++ == i) || i == obj, true);
+assertEq(i.x, "puppies");
+
+function g2() {
+    for (var i=0; i<20; i++)
+	yield i;
+}
+var i = 0;
+for (var x of new g2()) {
+    assertEq(i, x);
+    i++;
+}
+
+reportCompare(true,true);
diff --git a/js/src/tests/js1_7/geniter/yield-undefined.js b/js/src/tests/js1_7/geniter/yield-undefined.js
new file mode 100644
index 000000000..5e75fb601
--- /dev/null
+++ b/js/src/tests/js1_7/geniter/yield-undefined.js
@@ -0,0 +1,63 @@
+/* -*- 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/. */
+
+//-----------------------------------------------------------------------------
+// Note that this syntax isn't in the most recently posted ES4 TG1 wiki export,
+// either in the specification parts or in the grammar, so this test might be
+// Spidermonkey-specific.
+var BUGNUMBER     = "(none)";
+var summary = "|yield;| is equivalent to |yield undefined;| ";
+var actual, expect;
+
+printBugNumber(BUGNUMBER);
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function gen()
+{
+  yield 7;
+  yield;
+  yield 3;
+}
+
+var it = gen();
+
+try
+{
+  if (it.next() != 7)
+    throw "7 not yielded";
+  if (it.next() !== undefined)
+    throw "|yield;| should be equivalent to |yield undefined;|";
+  if (it.next() != 3)
+    throw "3 not yielded";
+
+  var stopPassed = false;
+  try
+  {
+    it.next();
+  }
+  catch (e)
+  {
+    if (e === StopIteration)
+      stopPassed = true;
+  }
+
+  if (!stopPassed)
+    throw "it: missing or incorrect StopIteration";
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);