Add a test for the new -P option. ok espie@

3 files changed, 53 insertions, 2 deletions

diff --git a/regress/usr.bin/m4/Makefile b/regress/usr.bin/m4/Makefile
index 6a0d5d64306..8c5ea31a2cb 100644
--- a/regress/usr.bin/m4/Makefile
+++ b/regress/usr.bin/m4/Makefile
@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.26 2009/06/26 08:44:07 espie Exp $
+#	$OpenBSD: Makefile,v 1.27 2009/10/14 17:22:15 sthen Exp $
 
 FIBOMAX=25
 M4=m4
@@ -11,7 +11,7 @@ REGRESS_TARGETS= test-ff_after_dnl test-m4wrap test-m4wrap2 \
     test-patterns trip test-strangequotes test-redef test-quotes \
     test-weird test-args test-args2 test-esyscmd test-eval test-gnupatterns \
     test-gnupatterns2 test-comments test-synch1 test-synch1bis \
-    test-gnuformat test-includes test-dumpdef
+    test-gnuformat test-includes test-dumpdef test-gnuprefix
 
 test-ff_after_dnl: ff_after_dnl.m4
 	${M4} ff_after_dnl.m4 | diff - ${.CURDIR}/ff_after_dnl.out
@@ -95,6 +95,10 @@ test-synch1bis:
 test-dumpdef:
 	${M4} ${.CURDIR}/dumpdef.m4 2>/dev/null
 
+test-gnuprefix:
+	${M4} -P ${.CURDIR}/gnuprefix.m4 2>&1 | \
+		diff -u - ${.CURDIR}/gnuprefix.out
+
 .PHONY:	${REGRESS_TARGETS}
 
 .include <bsd.regress.mk>
diff --git a/regress/usr.bin/m4/gnuprefix.m4 b/regress/usr.bin/m4/gnuprefix.m4
new file mode 100644
index 00000000000..fff9784ed2c
--- /dev/null
+++ b/regress/usr.bin/m4/gnuprefix.m4
@@ -0,0 +1,2 @@
+dumpdef()
+m4_dumpdef()
diff --git a/regress/usr.bin/m4/gnuprefix.out b/regress/usr.bin/m4/gnuprefix.out
new file mode 100644
index 00000000000..aff4c01d863
--- /dev/null
+++ b/regress/usr.bin/m4/gnuprefix.out
@@ -0,0 +1,45 @@
+`m4_ifelse'	`m4_ifelse'
+`m4_dnl'	`m4_dnl'
+`m4_expr'	`m4_expr'
+`m4_builtin'	`m4_builtin'
+`m4_popdef'	`m4_popdef'
+`m4_eval'	`m4_eval'
+`m4_len'	`m4_len'
+`m4_indir'	`m4_indir'
+`m4_sinclude'	`m4_sinclude'
+`m4_index'	`m4_index'
+`m4_traceoff'	`m4_traceoff'
+`m4___file__'	`m4___file__'
+`m4_unix'	`m4_unix'
+`m4_changecom'	`m4_changecom'
+`m4_defn'	`m4_defn'
+`m4_decr'	`m4_decr'
+`m4_translit'	`m4_translit'
+`m4_patsubst'	`m4_patsubst'
+`m4_dumpdef'	`m4_dumpdef'
+`m4___line__'	`m4___line__'
+`m4_esyscmd'	`m4_esyscmd'
+`m4_traceon'	`m4_traceon'
+`m4_incr'	`m4_incr'
+`m4_shift'	`m4_shift'
+`m4_syscmd'	`m4_syscmd'
+`m4_include'	`m4_include'
+`m4_pushdef'	`m4_pushdef'
+`m4_paste'	`m4_paste'
+`m4_regexp'	`m4_regexp'
+`m4_changequote'	`m4_changequote'
+`m4_undivert'	`m4_undivert'
+`m4_m4exit'	`m4_m4exit'
+`m4_substr'	`m4_substr'
+`m4_m4wrap'	`m4_m4wrap'
+`m4_ifdef'	`m4_ifdef'
+`m4_sysval'	`m4_sysval'
+`m4_divert'	`m4_divert'
+`m4_maketemp'	`m4_maketemp'
+`m4_spaste'	`m4_spaste'
+`m4_define'	`m4_define'
+`m4_undefine'	`m4_undefine'
+`m4_divnum'	`m4_divnum'
+`m4_errprint'	`m4_errprint'
+dumpdef()
+