extend test

tests/run/if_else_expr.pyx

@@ -9,6 +9,7 @@ cdef class Foo:
     def __repr__(self):
         return '<Foo>'
 
+
 cpdef test_type_cast(Foo obj, cond):
     """
     # Regression test: obj must be cast to (PyObject *) here
@@ -42,3 +43,15 @@ def test_charptr_coercion(x):
     """
     cdef char* s = b'abc' if x else b'def'
     return s.decode('ascii')
+
+
+def test_syntax():
+    """
+    >>> test_syntax()
+    (0, 0, 0)
+    """
+    # Py3 allows the 'else' keyword to directly follow a number
+    x = 0 if 1else 1
+    y = 0 if 1.0else 1
+    z = 0 if 1.else 1
+    return x, y, z