Add test capturing new expectation. Ref #3314.

pytest-dev · Mar 16, 2018 · 3c3fc3b · 3c3fc3b
1 parent fbcf1a9
commit 3c3fc3b
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/testing/test_capture.py b/testing/test_capture.py
@@ -751,7 +751,8 @@ def test_dontreadfrominput():
  assert not f.isatty()
  pytest.raises(IOError, f.read)
  pytest.raises(IOError, f.readlines)
- pytest.raises(IOError, iter, f)
+ iter_f = iter(f)
+ pytest.raises(IOError, next, iter_f)
  pytest.raises(UnsupportedOperation, f.fileno)
  f.close() # just for completeness
 
@@ -764,7 +765,8 @@ def test_dontreadfrominput_buffer_python3():
  assert not fb.isatty()
  pytest.raises(IOError, fb.read)
  pytest.raises(IOError, fb.readlines)
- pytest.raises(IOError, iter, fb)
+ iter_f = iter(f)
+ pytest.raises(IOError, next, iter_f)
  pytest.raises(ValueError, fb.fileno)
  f.close() # just for completeness