Changes to m4/tests/freeze.at,v

[Gary V. Vaughan]

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Gary V. Vaughan <gary>  06/07/13 23:35:16

Index: tests/freeze.at
===================================================================
RCS file: /sources/m4/m4/tests/freeze.at,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -b -r1.1 -r1.2
--- tests/freeze.at     7 Jul 2006 15:47:39 -0000       1.1
+++ tests/freeze.at     13 Jul 2006 23:35:16 -0000      1.2
@@ -102,3 +102,40 @@
 ]])
 
 AT_CLEANUP
+
+
+## ---------------------- ##
+## Freezing regexp syntax ##
+## ---------------------- ##
+
+AT_SETUP([regexp syntax])
+AT_KEYWORDS([frozen])
+
+# Check that regular expression syntax is maintained across freeze baundaries.
+
+AT_DATA([[frozen.m4]],
+[[changeresyntax(`POSIX_EXTENDED')dnl
+]])
+
+AT_DATA([[unfrozen.m4]],
+[[regexp(`GNUs not Unix', `\w(\w*)$')
+regexp(`GNUs not Unix', `\w\(\w*\)$', `GNU_M4')
+]])
+
+# First generate the `expout' output by running over the sources before
+# freezing.
+AT_CHECK_M4([frozen.m4 unfrozen.m4], 0,
+           [stdout], [stderr])
+
+mv stdout expout
+mv stderr experr
+
+# Now freeze the first source file.
+AT_CHECK_M4([-F frozen.m4f frozen.m4], 0,
+           [ignore], [ignore])
+
+# Now rerun the original sequence, but using the frozen file.
+AT_CHECK_M4([-R frozen.m4f unfrozen.m4], 0,
+           [expout], [experr])
+
+AT_CLEANUP([frozen.m4f])