From b3abfea626241afd979400d9b19e86492b7af9d4 Mon Sep 17 00:00:00 2001
From: Otto Moerbeek <otto@cvs.openbsd.org>
Date: Thu, 7 Aug 2003 21:01:30 +0000
Subject: Two new regressions concerning detection of already applied patches.

ok millert@
---
 regress/usr.bin/patch/Makefile | 23 +++++++++++++++++++----
 regress/usr.bin/patch/t3.diff  |  4 ++++
 regress/usr.bin/patch/t3.in    |  1 +
 regress/usr.bin/patch/t3.out   |  2 ++
 regress/usr.bin/patch/t4.diff  |  6 ++++++
 regress/usr.bin/patch/t4.in    |  1 +
 regress/usr.bin/patch/t4.out   |  1 +
 7 files changed, 34 insertions(+), 4 deletions(-)
 create mode 100644 regress/usr.bin/patch/t3.diff
 create mode 100644 regress/usr.bin/patch/t3.in
 create mode 100644 regress/usr.bin/patch/t3.out
 create mode 100644 regress/usr.bin/patch/t4.diff
 create mode 100644 regress/usr.bin/patch/t4.in
 create mode 100644 regress/usr.bin/patch/t4.out

diff --git a/regress/usr.bin/patch/Makefile b/regress/usr.bin/patch/Makefile
index 8b268e262a6..7478261e421 100644
--- a/regress/usr.bin/patch/Makefile
+++ b/regress/usr.bin/patch/Makefile
@@ -1,25 +1,40 @@
-# $OpenBSD: Makefile,v 1.1 2003/07/22 19:31:51 otto Exp $
+# $OpenBSD: Makefile,v 1.2 2003/08/07 21:01:29 otto Exp $
 
 PATCH=patch
+PATCHOPTIONS=-sN
 
-REGRESS_TARGETS=t1 t2
+REGRESS_TARGETS=t1 t2 t3 t4
 
 # .in: input file
 # .diff: patch
 # .out: desired result after patching
 
-# t1: diff contains invalid line number 0. Fails.
+# t1: diff contains invalid line number 0.
 # t2: diff contains invalid line numbers beyond end of input file.
+# t3: a case where it patch should detect a previously applied patch.
+#     Diff transform an empty file into a single line one. Patch cannot
+#     detect this because it has an empty context.
+# t4: a case where patch has to detect a previously applied patch.
+#     Diff transform an file with a single line without eol into a single
+#     line with eol. Fails because patch does not detect the previously
+#     applied diff.
 
 all: clean ${REGRESS_TARGET}
 
 .SUFFIXES: .in
 
 .in:
+	@echo ${*}
 	@cp ${.CURDIR}/${*}.in ${*}.copy
-	@${PATCH} -s ${*}.copy ${.CURDIR}/${*}.diff
+	@${PATCH} ${PATCHOPTIONS} ${*}.copy ${.CURDIR}/${*}.diff
 	@cmp -s ${*}.copy ${.CURDIR}/${*}.out || (echo "XXX ${*} failed" && false)
 
+t4:
+	@echo ${*}
+	@cp ${.CURDIR}/${*}.in ${*}.copy
+	@(! ${PATCH} ${PATCHOPTIONS} ${*}.copy ${.CURDIR}/${*}.diff)
+	@cmp -s ${*}.copy ${.CURDIR}/${*}.out || (echo "XXX ${*} failed" && false)
+	
 # Clean all files generated
 clean:
 	rm -f *.copy *.orig *.rej
diff --git a/regress/usr.bin/patch/t3.diff b/regress/usr.bin/patch/t3.diff
new file mode 100644
index 00000000000..b3b005d9c6c
--- /dev/null
+++ b/regress/usr.bin/patch/t3.diff
@@ -0,0 +1,4 @@
+--- t3.in	Mon Aug  4 10:04:58 2003
++++ t3.out	Mon Aug  4 10:05:11 2003
+@@ -0,0 +1 @@
++A line of text
diff --git a/regress/usr.bin/patch/t3.in b/regress/usr.bin/patch/t3.in
new file mode 100644
index 00000000000..0f24bc045a8
--- /dev/null
+++ b/regress/usr.bin/patch/t3.in
@@ -0,0 +1 @@
+A line of text
diff --git a/regress/usr.bin/patch/t3.out b/regress/usr.bin/patch/t3.out
new file mode 100644
index 00000000000..c9ffc909a19
--- /dev/null
+++ b/regress/usr.bin/patch/t3.out
@@ -0,0 +1,2 @@
+A line of text
+A line of text
diff --git a/regress/usr.bin/patch/t4.diff b/regress/usr.bin/patch/t4.diff
new file mode 100644
index 00000000000..83d480eece1
--- /dev/null
+++ b/regress/usr.bin/patch/t4.diff
@@ -0,0 +1,6 @@
+--- t4.in	Thu Aug  7 16:05:20 2003
++++ t4.out	Thu Aug  7 16:05:37 2003
+@@ -1 +1 @@
+-A line of text
++A line of text
+\ No newline at end of file
diff --git a/regress/usr.bin/patch/t4.in b/regress/usr.bin/patch/t4.in
new file mode 100644
index 00000000000..c585375388e
--- /dev/null
+++ b/regress/usr.bin/patch/t4.in
@@ -0,0 +1 @@
+A line of text
\ No newline at end of file
diff --git a/regress/usr.bin/patch/t4.out b/regress/usr.bin/patch/t4.out
new file mode 100644
index 00000000000..c585375388e
--- /dev/null
+++ b/regress/usr.bin/patch/t4.out
@@ -0,0 +1 @@
+A line of text
\ No newline at end of file
-- 
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