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Catching exceptions from iterator MoveNext(), additional testing (issue #475, original pull request #523) #693

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Merged
merged 6 commits into from
Jun 26, 2018
Merged

Catching exceptions from iterator MoveNext(), additional testing (issue #475, original pull request #523) #693

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d0f34e9
crashing exception test
Aug 9, 2017
6b03c63
Catch exceptions from iterator.MoveNext()
rickardraysearch Aug 9, 2017
9aac609
Updated changelog
rickardraysearch Aug 9, 2017
d119c6c
Add test throwing exception with inner exception in iterator
rickardraysearch Aug 9, 2017
a1bb354
Add exception argument to test method
rickardraysearch Aug 9, 2017
2131292
Test that after exception is thrown iterator is no longer valid
Jun 25, 2018
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crashing exception test 
(cherry picked from commit 31a4482)
  • Loading branch information
Rickard Holmberg authored and abessen committed Jun 25, 2018
commit d0f34e928d482badd8f9df9d1061c17d253071fe
9 changes: 9 additions & 0 deletions src/testing/exceptiontest.cs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
using System;
using System.Collections;
using System.Collections.Generic;

namespace Python.Test
{
Expand Down Expand Up @@ -54,6 +56,13 @@ public static bool ThrowException()
throw new OverflowException("error");
}

public static IEnumerable<int> ThrowExceptionInIterator()
{
yield return 1;
yield return 2;
throw new OverflowException("error");
}

public static void ThrowChainedExceptions()
{
try
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14 changes: 14 additions & 0 deletions src/tests/test_exceptions.py
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Expand Up @@ -345,3 +345,17 @@ def test_chained_exceptions():
assert exc.Message == msg
assert exc.__cause__ == exc.InnerException
exc = exc.__cause__

def test_iteration_exception():
from Python.Test import ExceptionTest
from System import OverflowException

val = ExceptionTest.ThrowExceptionInIterator().__iter__()
assert next(val) == 1
assert next(val) == 2
with pytest.raises(OverflowException) as cm:
next(val)

exc = cm.value

assert isinstance(exc, OverflowException)