#!/bin/sh

# This is a flipdiff(1) testcase.


. ${top_srcdir-.}/tests/common.sh

cat << EOF > file.orig
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
EOF

cat << EOF > file
a
b
c
D
D
D
e
f
g
h
i
j
k
L
L
L
m
n
o
p
q
r
s
T
T
T
u
v
w
x
y
z
EOF

${DIFF} -u file.orig file > patch1

mv -f file file.orig
cat << EOF > file
a
b
c
D
D
D
e
f
g
h
i
j
k
L
L
L
m
n
o
p
q
r
s
T
T
T
u
v
x
y
z
EOF

${DIFF} -u file.orig file > patch2

${FLIPDIFF} patch1 patch2 > patch-flipped || exit 1
sed -e "s/$(/bin/echo -ne '\t').*$//" patch-flipped > patch-cmp
cmp - patch-cmp << EOF || exit 1
--- file.orig
+++ file
@@ -20,7 +20,6 @@
 t
 u
 v
-w
 x
 y
 z

=== 8< === cut here === 8< ===

--- file.orig
+++ file
@@ -1,7 +1,9 @@
 a
 b
 c
-d
+D
+D
+D
 e
 f
 g
@@ -9,7 +11,9 @@
 i
 j
 k
-l
+L
+L
+L
 m
 n
 o
@@ -17,7 +21,9 @@
 q
 r
 s
-t
+T
+T
+T
 u
 v
 x
EOF