#!/bin/sh

# This is a flipdiff(1) testcase.


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

cat << EOF > file.orig
1
2
3
3a
4
5
6
7
pad
8
9
10
11
12
13
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad1
pad2
pad3
padx
pda
padx
pad3
pad2
pad1
pad
pad
pad
pad
pad
a
b
c
pad
pad
pad
pad
pad
pad
pad
A
B
C
pad
pad
pad
EOF

cat << EOF > file
1
2
3
4
5
6
7
pad
8
9
10
11
12
13
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad1
pad2
pad3
padx
pady
padx
pad3
pad2
pad1
pad
pad
pad
pad
pad
a
b
c
pad
pad
pad
pad
pad
pad
pad
A
B
C
pad
pad
pad
EOF

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

mv -f file.orig file.orig.orig
mv -f file file.orig
cat << EOF > file
1
2
3
4
4a
5
6
7
pad
8
9
10
11a
12a
13a
14
15
16
17
18
19
20
11
12
13
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad
pad1
pad2
pad3
padx
pady
padx
pad3
pad2
pad1
pad
pad
pad
pad
pad
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
pad
pad
pad
pad
pad
pad
pad
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
pad
pad
pad
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
@@ -3,6 +3,7 @@
 3
 3a
 4
+4a
 5
 6
 7
@@ -10,6 +11,16 @@
 8
 9
 10
+11a
+12a
+13a
+14
+15
+16
+17
+18
+19
+20
 11
 12
 13
@@ -116,6 +127,29 @@
 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
 pad
 pad
 pad
@@ -126,6 +160,29 @@
 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
 pad
 pad
 pad

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

--- file.orig
+++ file
@@ -1,7 +1,6 @@
 1
 2
 3
-3a
 4
 4a
 5
@@ -114,7 +113,7 @@
 pad2
 pad3
 padx
-pda
+pady
 padx
 pad3
 pad2
EOF