diff --git a/modules/io/tests/testfiles/pdb/charmm_longcname.pdb b/modules/io/tests/testfiles/pdb/charmm_longcname.pdb
new file mode 100644
index 0000000000000000000000000000000000000000..6617df6645502703e8a27a9a7e3eb7c7461ed04d
--- /dev/null
+++ b/modules/io/tests/testfiles/pdb/charmm_longcname.pdb
@@ -0,0 +1,3 @@
+ATOM      1  N   ALA     1      32.000-128.000  -2.500  1.00  0.00      PROT    
+ATOM      2  N   GLY     2      35.000 -99.000 -10.500  1.00  0.00      PROT    
+END   
diff --git a/modules/io/tests/testfiles/pdb/charmm_rname.pdb b/modules/io/tests/testfiles/pdb/charmm_rname.pdb
new file mode 100644
index 0000000000000000000000000000000000000000..54ffc118b4623659452daa7baa572ebe86af898e
--- /dev/null
+++ b/modules/io/tests/testfiles/pdb/charmm_rname.pdb
@@ -0,0 +1,3 @@
+ATOM      1  N   ALA     1      32.000-128.000  -2.500  1.00  0.00      A       
+ATOM      2  N   G3AG    2      32.000-128.000  -2.500  1.00  0.00      A       
+END