1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/throw/try-catch-before-try.js b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/try-catch-before-try.js
new file mode 100644
index 0000000000..743e7674da
--- /dev/null
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/try-catch-before-try.js
@@ -0,0 +1,56 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 25.3.1.4
+description: >
+    When a generator is paused before a `try..catch` statement, `throw` should
+    interrupt control flow as if a `throw` statement had appeared at that
+    location in the function body.
+features: [generators]
+---*/
+
+var unreachable = 0;
+
+function* g() {
+  yield 1;
+  unreachable += 1;
+  try {
+    yield 2;
+  } catch (e) {
+    yield e;
+  }
+  yield 3;
+}
+var iter, result;
+
+iter = g();
+
+result = iter.next();
+assert.sameValue(result.value, 1, 'First result `value`');
+assert.sameValue(result.done, false, 'First result `done` flag');
+assert.sameValue(
+  unreachable, 0, 'statement following `yield` not executed (paused at yield)'
+);
+
+assert.throws(Test262Error, function() {
+  iter.throw(new Test262Error());
+});
+
+assert.sameValue(
+  unreachable,
+  0,
+  'statement following `yield` not executed (following `throw`)'
+);
+
+result = iter.next();
+assert.sameValue(result.value,
+  undefined, 'Result `value` is undefined when done'
+);
+assert.sameValue(result.done, true, 'Result `done` flag is `true` when done');
+assert.sameValue(
+  unreachable, 0, 'statement following `yield` not executed (once "completed")'
+);
+
+iter.next();
+
+reportCompare(0, 0);