1 files changed, 59 insertions, 0 deletions
diff --git a/tests/build/cythonize_pep420_namespace.srctree b/tests/build/cythonize_pep420_namespace.srctree
new file mode 100644
index 000000000..99649376a
--- /dev/null
+++ b/tests/build/cythonize_pep420_namespace.srctree
@@ -0,0 +1,59 @@
+PYTHON setup.py build_ext --inplace
+PYTHON -c "import runner"
+
+######## setup.py ########
+
+from Cython.Build.Dependencies import cythonize
+
+from distutils.core import setup, Extension
+
+setup(
+  ext_modules=cythonize([
+    Extension("nsp.m1.a", ["nsp/m1/a.pyx"]),
+    Extension("nsp.m2.b", ["nsp/m2/b.pyx"]),
+    Extension("nsp.m3.c.d", ["nsp/m3/c/d.pyx"]),
+  ]),
+)
+
+######## nsp/m1/__init__.py ########
+
+######## nsp/m1/a.pyx ########
+
+cdef class A:
+    pass
+
+######## nsp/m1/a.pxd ########
+
+cdef class A:
+    pass
+
+######## nsp/m2/__init__.py ########
+
+######## nsp/m2/b.pyx ########
+
+from nsp.m1.a cimport A
+from nsp.m3.c.d cimport D
+
+cdef class B(A):
+    pass
+
+######## nsp/m3/__init__.py ########
+
+######## nsp/m3/c/d.pyx ########
+
+cdef class D:
+  pass
+
+######## nsp/m3/c/d.pxd ########
+
+cdef class D:
+  pass
+
+######## runner.py ########
+
+from nsp.m1.a import A
+from nsp.m2.b import B
+from nsp.m3.c.d import D
+
+a = A()
+b = B()