git/t/t4015-diff-whitespace.sh
Johannes Schindelin c7c24889bb diff -b: ignore whitespace at end of line
This is _not_ the same as "treat eol as whitespace", since that would mean
that multiple empty lines would be treated as equal to e.g. a space.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-12-04 16:30:54 -08:00

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#!/bin/sh
#
# Copyright (c) 2006 Johannes E. Schindelin
#
test_description='Test special whitespace in diff engine.
'
. ./test-lib.sh
. ../diff-lib.sh
# Ray Lehtiniemi's example
cat << EOF > x
do {
nothing;
} while (0);
EOF
git-update-index --add x
cat << EOF > x
do
{
nothing;
}
while (0);
EOF
cat << EOF > expect
diff --git a/x b/x
index adf3937..6edc172 100644
--- a/x
+++ b/x
@@ -1,3 +1,5 @@
-do {
+do
+{
nothing;
-} while (0);
+}
+while (0);
EOF
git-diff > out
test_expect_success "Ray's example without options" 'diff -u expect out'
git-diff -w > out
test_expect_success "Ray's example with -w" 'diff -u expect out'
git-diff -b > out
test_expect_success "Ray's example with -b" 'diff -u expect out'
tr 'Q' '\015' << EOF > x
whitespace at beginning
whitespace change
whitespace in the middle
whitespace at end
unchanged line
CR at endQ
EOF
git-update-index x
cat << EOF > x
whitespace at beginning
whitespace change
white space in the middle
whitespace at end
unchanged line
CR at end
EOF
tr 'Q' '\015' << EOF > expect
diff --git a/x b/x
index d99af23..8b32fb5 100644
--- a/x
+++ b/x
@@ -1,6 +1,6 @@
-whitespace at beginning
-whitespace change
-whitespace in the middle
-whitespace at end
+ whitespace at beginning
+whitespace change
+white space in the middle
+whitespace at end
unchanged line
-CR at endQ
+CR at end
EOF
git-diff > out
test_expect_success 'another test, without options' 'diff -u expect out'
cat << EOF > expect
diff --git a/x b/x
index d99af23..8b32fb5 100644
EOF
git-diff -w > out
test_expect_success 'another test, with -w' 'diff -u expect out'
tr 'Q' '\015' << EOF > expect
diff --git a/x b/x
index d99af23..8b32fb5 100644
--- a/x
+++ b/x
@@ -1,6 +1,6 @@
-whitespace at beginning
+ whitespace at beginning
whitespace change
-whitespace in the middle
+white space in the middle
whitespace at end
unchanged line
CR at endQ
EOF
git-diff -b > out
test_expect_success 'another test, with -b' 'diff -u expect out'
test_done