Add failing test for issue gh-6009

IPython/core/tests/test_magic.py

@@ -381,6 +381,17 b' def test_time3():'
                     "run = 0\n"
                     "run += 1")
 
[e-mail](sys.version_info[0] >= 3, "no differences with __future__ in py3")
+def test_time_futures():
+    "Test %time with __future__ environments"
+    ip = get_ipython()
+    ip.run_cell("from __future__ import division")
+    with tt.AssertPrints('0.25'):
+        ip.run_line_magic('time', 'print(1/4)')
+    ip.compile.reset_compiler_flags()
+    with tt.AssertNotPrints('0.25'):
+        ip.run_line_magic('time', 'print(1/4)')
+
 def test_doctest_mode():
     "Toggle doctest_mode twice, it should be a no-op and run without error"
     _ip.magic('doctest_mode')
@@ -560,6 +571,17 b' def test_timeit_quiet():'
     with tt.AssertNotPrints("loops"):
         _ip.run_cell("%timeit -n1 -r1 -q 1")
 
[e-mail](sys.version_info[0] >= 3, "no differences with __future__ in py3")
+def test_timeit_futures():
+    "Test %timeit with __future__ environments"
+    ip = get_ipython()
+    ip.run_cell("from __future__ import division")
+    with tt.AssertPrints('0.25'):
+        ip.run_line_magic('timeit', '-n1 -r1 print(1/4)')
+    ip.compile.reset_compiler_flags()
+    with tt.AssertNotPrints('0.25'):
+        ip.run_line_magic('timeit', '-n1 -r1 print(1/4)')
+
 @dec.skipif(execution.profile is None)
 def test_prun_special_syntax():
     "Test %%prun with IPython special syntax"