A set of regressions to test diff(1).

Currently standard, context and unified diffs are tested by diffing
two files and then applying the patch on a copy of the first file
using patch(1).  Next, the result is compared with the original
first file using cmp(1).

ok millert@ tedu@

1 files changed, 42 insertions, 0 deletions

diff --git a/regress/usr.bin/diff/Makefile b/regress/usr.bin/diff/Makefile
new file mode 100644
index 00000000000..43f39e80ee0
--- /dev/null
+++ b/regress/usr.bin/diff/Makefile
@@ -0,0 +1,42 @@
+# $OpenBSD: Makefile,v 1.1 2003/07/17 21:04:03 otto Exp $
+
+REGRESS_TARGETS=t1 t2 t3 t4 t5 t6 t7 t8 t9 t10
+
+DIFF=diff
+
+# .1 and .2: 	input files
+
+# t1: two empty files
+# t2: basic editing
+# t3: one empty, other contains text
+# t4: one contains text, other empty
+# t5: files are the same
+# t6: one file with no newline at end, other does contain newline
+# t7: one file with newline at end, the other not
+# t8: revisison 1.1 and 1.54 of kern_malloc.c
+# t9: revisison 1.1 and 1.104 of vfs_syscalls.c
+# t10: two files with no end of line at the end, line in second file is longer
+
+.SUFFIXES: .1 .2
+
+all: clean ${REGRESS_TARGET}
+
+.1:
+	@cp ${.CURDIR}/${*}.1 ${*}.copy
+	@cp ${.CURDIR}/${*}.1 ${*}.c.copy
+	@cp ${.CURDIR}/${*}.1 ${*}.u.copy
+	@${DIFF}  ${.CURDIR}/${*}.1 ${.CURDIR}/${*}.2 > ${*}.patch || true
+	@${DIFF} -c  ${.CURDIR}/${*}.1 ${.CURDIR}/${*}.2 > ${*}.c.patch || true
+	@${DIFF} -u  ${.CURDIR}/${*}.1 ${.CURDIR}/${*}.2 > ${*}.u.patch || true
+	@patch -s ${*}.copy ${*}.patch || true
+	@patch -s ${*}.c.copy ${*}.c.patch || true
+	@patch -s ${*}.u.copy ${*}.u.patch || true
+	@cmp -s ${.CURDIR}/${*}.2 ${*}.copy || (echo "XXX ${*} standard diff failed" && false)
+	@cmp -s ${.CURDIR}/${*}.2 ${*}.c.copy || (echo "XXX ${*} context diff failed" && false)
+	@cmp -s ${.CURDIR}/${*}.2 ${*}.u.copy || (echo "XXX ${*} unified diff failed" && false)
+	
+# Clean all files generated
+clean:
+	rm -f *.copy *.patch *.orig
+
+.include <bsd.regress.mk>