test case for T316

tests/run/enumerate_T316.pyx

+__doc__ = u"""
+  >>> go_c_enumerate()
+  0 1
+  1 2
+  2 3
+  3 4
+
+  >>> go_py_enumerate()
+  0 1
+  1 2
+  2 3
+  3 4
+
+  >>> empty_c_enumerate()
+  (55, 99)
+
+  >>> go_c_enumerate_step()
+  0 1
+  1 3
+  2 5
+
+  >>> single_target_enumerate()
+  0 1
+  1 2
+  2 3
+  3 4
+
+  >>> multi_enumerate()
+  0 0 0 1
+  1 1 1 2
+  2 2 2 3
+  3 3 3 4
+
+"""
+
+def go_py_enumerate():
+    for i,k in enumerate(range(1,5)):
+        print i, k
+
+def go_c_enumerate():
+    cdef int i,k
+    for i,k in enumerate(range(1,5)):
+        print i, k
+
+def go_c_enumerate_step():
+    cdef int i,k
+    for i,k in enumerate(range(1,7,2)):
+        print i, k
+
+def empty_c_enumerate():
+    cdef int i = 55, k = 99
+    for i,k in enumerate(range(0)):
+        print i, k
+    return i, k
+
+def single_target_enumerate():
+    for t in enumerate(range(1,5)):
+        print t[0], t[1]
+
+def multi_enumerate():
+    for a,(b,(c,d)) in enumerate(enumerate(enumerate(range(1,5)))):
+        print a,b,c,d
+
+def multi_c_enumerate():
+    cdef int a,b,c,d
+    for a,(b,(c,d)) in enumerate(enumerate(enumerate(range(1,5)))):
+        print a,b,c,d