Forgot to add a test

runtests.py

@@ -11,6 +11,7 @@ import unittest
 import doctest
 import operator
 import tempfile
+import warnings
 import traceback
 try:
     from StringIO import StringIO

tests/run/sequential_parallel.pyx

+# tag: run
+
+cimport cython.parallel
+from cython.parallel import prange, threadid
+from libc.stdlib cimport malloc, free
+from libc.stdio cimport puts
+
+import sys
+
+try:
+    from builtins import next # Py3k
+except ImportError:
+    def next(it):
+        return it.next()
+
+#@cython.test_assert_path_exists(
+#    "//ParallelWithBlockNode//ParallelRangeNode[@schedule = 'dynamic']",
+#    "//GILStatNode[@state = 'nogil]//ParallelRangeNode")
+def test_prange():
+    """
+    >>> test_prange()
+    (9, 9, 45, 45)
+    """
+    cdef Py_ssize_t i, j, sum1 = 0, sum2 = 0
+
+    with nogil, cython.parallel.parallel:
+        for i in prange(10, schedule='dynamic'):
+            sum1 += i
+
+    for j in prange(10, nogil=True):
+        sum2 += j
+
+    return i, j, sum1, sum2
+
+def test_descending_prange():
+    """
+    >>> test_descending_prange()
+    5
+    """
+    cdef int i, start = 5, stop = -5, step = -2
+    cdef int sum = 0
+
+    for i in prange(start, stop, step, nogil=True):
+        sum += i
+
+    return sum
+
+def test_propagation():
+    """
+    >>> test_propagation()
+    (9, 9, 9, 9, 450, 450)
+    """
+    cdef int i, j, x, y
+    cdef int sum1 = 0, sum2 = 0
+
+    for i in prange(10, nogil=True):
+        for j in prange(10):
+            sum1 += i
+
+    with nogil, cython.parallel.parallel:
+        for x in prange(10):
+            with cython.parallel.parallel:
+                for y in prange(10):
+                    sum2 += y
+
+    return i, j, x, y, sum1, sum2
+
+def test_unsigned_operands():
+    """
+    This test is disabled, as this currently does not work (neither does it
+    for 'for i from x < i < y:'. I'm not sure we should strife to support
+    this, at least the C compiler gives a warning.
+
+    test_unsigned_operands()
+    10
+    """
+    cdef int i
+    cdef int start = -5
+    cdef unsigned int stop = 5
+    cdef int step = 1
+
+    cdef int steps_taken = 0
+
+    for i in prange(start, stop, step, nogil=True):
+        steps_taken += 1
+
+    return steps_taken
+
+def test_reassign_start_stop_step():
+    """
+    >>> test_reassign_start_stop_step()
+    20
+    """
+    cdef int start = 0, stop = 10, step = 2
+    cdef int i
+    cdef int sum = 0
+
+    for i in prange(start, stop, step, nogil=True):
+        start = -2
+        stop = 2
+        step = 0
+
+        sum += i
+
+    return sum
+
+def test_closure_parallel_privates():
+    """
+    >>> test_closure_parallel_privates()
+    9 9
+    45 45
+    0 0 9 9
+    """
+    cdef int x
+
+    def test_target():
+        nonlocal x
+        for x in prange(10, nogil=True):
+            pass
+        return x
+
+    print test_target(), x
+
+    def test_reduction():
+        nonlocal x
+        cdef int i
+
+        x = 0
+        for i in prange(10, nogil=True):
+            x += i
+
+        return x
+
+    print test_reduction(), x
+
+    def test_generator():
+        nonlocal x
+        cdef int i
+
+        x = 0
+        yield x
+        x = 2
+
+        for i in prange(10, nogil=True):
+            x = i
+
+        yield x
+
+    g = test_generator()
+    print next(g), x, next(g), x
+
+def test_pure_mode():
+    """
+    >>> test_pure_mode()
+    0
+    1
+    2
+    3
+    4
+    4
+    3
+    2
+    1
+    0
+    0
+    """
+    import Cython.Shadow
+    pure_parallel = sys.modules['cython.parallel']
+
+    for i in pure_parallel.prange(5):
+        print i
+
+    for i in pure_parallel.prange(4, -1, -1, schedule='dynamic', nogil=True):
+        print i
+
+    with pure_parallel.parallel:
+        print pure_parallel.threadid()
+