Add prun transform test

IPython/core/tests/test_magic.py

@@ -490,6 +490,21 b' def test_timeit_special_syntax():'
     
 
 @dec.skipif(execution.profile is None)
+def test_prun_special_syntax():
+    "Test %%prun with IPython special syntax"
+    @register_line_magic
+    def lmagic(line):
+        ip = get_ipython()
+        ip.user_ns['lmagic_out'] = line
+
+    # line mode test
+    _ip.run_line_magic('prun', '-q %lmagic my line')
+    nt.assert_equal(_ip.user_ns['lmagic_out'], 'my line')
+    # cell mode test
+    _ip.run_cell_magic('prun', '-q', '%lmagic my line2')
+    nt.assert_equal(_ip.user_ns['lmagic_out'], 'my line2')
+
[e-mail](execution.profile is None)
 def test_prun_quotes():
     "Test that prun does not clobber string escapes (GH #1302)"
     _ip.magic(r"prun -q x = '\t'")