Author: Mariano Anaya <[email protected]>
Branch: py3.6
Changeset: r91909:b6e947786fa5
Date: 2017-07-16 17:00 +0200
http://bitbucket.org/pypy/pypy/changeset/b6e947786fa5/
Log: Add test for async generator fail while running
Check when an exception is thrown by calling `.athrow()` while on
the middle of the execution.
diff --git a/pypy/interpreter/test/test_coroutine.py
b/pypy/interpreter/test/test_coroutine.py
--- a/pypy/interpreter/test/test_coroutine.py
+++ b/pypy/interpreter/test/test_coroutine.py
@@ -421,3 +421,30 @@
raises(RuntimeError, ag().athrow(ValueError).throw, LookupError)
# CPython's message makes little sense; PyPy's message is different
"""
+
+ def test_async_yield_athrow_while_running(self): """
+ values = []
+ async def ag():
+ try:
+ received = yield 1
+ except ValueError:
+ values.append(42)
+ return
+ yield 2
+
+
+ async def run():
+ running = ag()
+ x = await running.asend(None)
+ assert x == 1
+ try:
+ await running.athrow(ValueError)
+ except StopAsyncIteration:
+ pass
+
+
+ try:
+ run().send(None)
+ except StopIteration:
+ assert values == [42]
+ """
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