1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try.js b/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try.js
new file mode 100644
index 0000000000..b011444a4f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/return/try-finally-nested-try-catch-within-inner-try.js
@@ -0,0 +1,62 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.3.1.3
+description: >
+    When a generator is paused within a `try` block that is declared within a
+    `try` block of a `try..catch` statement, `return` should interrupt control
+    flow as if a `return` statement had appeared at that location in the
+    function body.
+features: [generators]
+---*/
+
+var inTry = 0;
+var inFinally = 0;
+var unreachable = 0;
+function* g() {
+  try {
+    try {
+      inTry += 1;
+      yield;
+      unreachable += 1;
+    } catch (e) {
+      throw e;
+    }
+    unreachable += 1;
+  } finally {
+    inFinally += 1;
+  }
+  unreachable += 1;
+}
+var iter = g();
+var result;
+
+iter.next();
+
+assert.sameValue(inTry, 1, 'Nested `try` code patch executed');
+assert.sameValue(inFinally, 0, '`finally` code path not executed');
+
+result = iter.return(45);
+
+assert.sameValue(result.value, 45, 'Result `value` following `return`');
+assert.sameValue(result.done, true, 'Result `done` flag following `return`');
+assert.sameValue(inFinally, 1, '`finally` code path executed');
+
+assert.sameValue(
+  unreachable,
+  0,
+  'statement following `yield` not executed (following `return`)'
+);
+
+result = iter.next();
+assert.sameValue(
+  result.value, undefined, 'Result `value` is undefined when complete'
+);
+assert.sameValue(
+  result.done, true, 'Result `done` flag is `true` when complete'
+);
+assert.sameValue(
+  unreachable, 0, 'statement following `yield` not executed (once "completed")'
+);
+
+reportCompare(0, 0);