TST: Add a test for gh-22648

HaoZeke · HaoZeke · commit f1b69ae25e8f · 2023-02-11T13:50:36.000Z
diff --git a/numpy/f2py/tests/src/crackfortran/gh22648.pyf b/numpy/f2py/tests/src/crackfortran/gh22648.pyf
@@ -0,0 +1,7 @@
+python module iri16py ! in
+    interface  ! in :iri16py
+        block data  ! in :iri16py:iridreg_modified.for
+           COMMON /fircom/ eden,tabhe,tabla,tabmo,tabza,tabfl
+       end block data 
+    end interface 
+end python module iri16py
diff --git a/numpy/f2py/tests/test_crackfortran.py b/numpy/f2py/tests/test_crackfortran.py
@@ -7,6 +7,8 @@
 from . import util
 from numpy.f2py import crackfortran
 import textwrap
+import contextlib
+import io
 
 
 class TestNoSpace(util.F2PyTest):
@@ -276,3 +278,10 @@ class TestUnicodeComment(util.F2PyTest):
     )
     def test_encoding_comment(self):
         self.module.foo(3)
+
+class TestF77CommonBlockReader():
+    def test_gh22648(self, tmp_path):
+        fpath = util.getpath("tests", "src", "crackfortran", "gh22648.pyf")
+        with contextlib.redirect_stdout(io.StringIO()) as stdout_f2py:
+            mod = crackfortran.crackfortran([str(fpath)])
+        assert "Mismatch" not in stdout_f2py.getvalue()
