summaryrefslogtreecommitdiff
path: root/t/t4015-diff-whitespace.sh
diff options
context:
space:
mode:
Diffstat (limited to 't/t4015-diff-whitespace.sh')
-rwxr-xr-xt/t4015-diff-whitespace.sh876
1 files changed, 627 insertions, 249 deletions
diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index 9059bcd69e..2434157aa7 100755
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -9,425 +9,705 @@ test_description='Test special whitespace in diff engine.
. ./test-lib.sh
. "$TEST_DIRECTORY"/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" 'test_cmp expect out'
-
-git diff -w > out
-test_expect_success "Ray's example with -w" 'test_cmp expect out'
-
-git diff -b > out
-test_expect_success "Ray's example with -b" 'test_cmp 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
-
-tr '_' ' ' << EOF > x
+test_expect_success "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_cmp expect out &&
+
+ git diff -w >out &&
+ test_cmp expect out &&
+
+ git diff -b >out &&
+ test_cmp expect out
+'
+
+test_expect_success 'another test, without options' '
+ tr Q "\015" <<-\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' 'test_cmp expect out'
-
-cat << EOF > expect
-EOF
-git diff -w > out
-test_expect_success 'another test, with -w' 'test_cmp expect out'
-git diff -w -b > out
-test_expect_success 'another test, with -w -b' 'test_cmp expect out'
-git diff -w --ignore-space-at-eol > out
-test_expect_success 'another test, with -w --ignore-space-at-eol' 'test_cmp expect out'
-git diff -w -b --ignore-space-at-eol > out
-test_expect_success 'another test, with -w -b --ignore-space-at-eol' 'test_cmp 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' 'test_cmp expect out'
-git diff -b --ignore-space-at-eol > out
-test_expect_success 'another test, with -b --ignore-space-at-eol' 'test_cmp 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 change
--whitespace in the middle
-+ whitespace at beginning
-+whitespace change
-+white space in the middle
- whitespace at end
- unchanged line
- CR at endQ
-EOF
-git diff --ignore-space-at-eol > out
-test_expect_success 'another test, with --ignore-space-at-eol' 'test_cmp expect out'
+ whitespace change
+ whitespace in the middle
+ whitespace at end
+ unchanged line
+ CR at endQ
+ EOF
+
+ git update-index x &&
+
+ tr "_" " " <<-\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..22d9f73 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_cmp expect out &&
+
+ >expect &&
+ git diff -w >out &&
+ test_cmp expect out &&
+
+ git diff -w -b >out &&
+ test_cmp expect out &&
+
+ git diff -w --ignore-space-at-eol >out &&
+ test_cmp expect out &&
+
+ git diff -w -b --ignore-space-at-eol >out &&
+ test_cmp expect out &&
+
+
+ tr "Q_" "\015 " <<-\EOF >expect &&
+ diff --git a/x b/x
+ index d99af23..22d9f73 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 end
+ EOF
+ git diff -b >out &&
+ test_cmp expect out &&
+
+ git diff -b --ignore-space-at-eol >out &&
+ test_cmp expect out &&
+
+ tr "Q_" "\015 " <<-\EOF >expect &&
+ diff --git a/x b/x
+ index d99af23..22d9f73 100644
+ --- a/x
+ +++ b/x
+ @@ -1,6 +1,6 @@
+ -whitespace at beginning
+ -whitespace change
+ -whitespace in the middle
+ +_ whitespace at beginning
+ +whitespace change
+ +white space in the middle
+ whitespace at end__
+ unchanged line
+ CR at end
+ EOF
+ git diff --ignore-space-at-eol >out &&
+ test_cmp expect out
+'
+
+test_expect_success 'ignore-blank-lines: only new lines' '
+ test_seq 5 >x &&
+ git update-index x &&
+ test_seq 5 | sed "/3/i\\
+" >x &&
+ git diff --ignore-blank-lines >out &&
+ >expect &&
+ test_cmp out expect
+'
+
+test_expect_success 'ignore-blank-lines: only new lines with space' '
+ test_seq 5 >x &&
+ git update-index x &&
+ test_seq 5 | sed "/3/i\\
+ " >x &&
+ git diff -w --ignore-blank-lines >out &&
+ >expect &&
+ test_cmp out expect
+'
+
+test_expect_success 'ignore-blank-lines: after change' '
+ cat <<-\EOF >x &&
+ 1
+ 2
+
+ 3
+ 4
+ 5
+
+ 6
+ 7
+ EOF
+ git update-index x &&
+ cat <<-\EOF >x &&
+ change
+
+ 1
+ 2
+ 3
+ 4
+ 5
+ 6
+
+ 7
+ EOF
+ git diff --inter-hunk-context=100 --ignore-blank-lines >out.tmp &&
+ cat <<-\EOF >expected &&
+ diff --git a/x b/x
+ --- a/x
+ +++ b/x
+ @@ -1,6 +1,7 @@
+ +change
+ +
+ 1
+ 2
+ -
+ 3
+ 4
+ 5
+ EOF
+ compare_diff_patch expected out.tmp
+'
+
+test_expect_success 'ignore-blank-lines: before change' '
+ cat <<-\EOF >x &&
+ 1
+ 2
+
+ 3
+ 4
+ 5
+ 6
+ 7
+ EOF
+ git update-index x &&
+ cat <<-\EOF >x &&
+
+ 1
+ 2
+ 3
+ 4
+ 5
+
+ 6
+ 7
+ change
+ EOF
+ git diff --inter-hunk-context=100 --ignore-blank-lines >out.tmp &&
+ cat <<-\EOF >expected &&
+ diff --git a/x b/x
+ --- a/x
+ +++ b/x
+ @@ -4,5 +4,7 @@
+ 3
+ 4
+ 5
+ +
+ 6
+ 7
+ +change
+ EOF
+ compare_diff_patch expected out.tmp
+'
+
+test_expect_success 'ignore-blank-lines: between changes' '
+ cat <<-\EOF >x &&
+ 1
+ 2
+ 3
+ 4
+ 5
+
+
+ 6
+ 7
+ 8
+ 9
+ 10
+ EOF
+ git update-index x &&
+ cat <<-\EOF >x &&
+ change
+ 1
+ 2
+
+ 3
+ 4
+ 5
+ 6
+ 7
+ 8
+
+ 9
+ 10
+ change
+ EOF
+ git diff --ignore-blank-lines >out.tmp &&
+ cat <<-\EOF >expected &&
+ diff --git a/x b/x
+ --- a/x
+ +++ b/x
+ @@ -1,5 +1,7 @@
+ +change
+ 1
+ 2
+ +
+ 3
+ 4
+ 5
+ @@ -8,5 +8,7 @@
+ 6
+ 7
+ 8
+ +
+ 9
+ 10
+ +change
+ EOF
+ compare_diff_patch expected out.tmp
+'
+
+test_expect_success 'ignore-blank-lines: between changes (with interhunkctx)' '
+ test_seq 10 >x &&
+ git update-index x &&
+ cat <<-\EOF >x &&
+ change
+ 1
+ 2
+
+ 3
+ 4
+ 5
+
+ 6
+ 7
+ 8
+ 9
+
+ 10
+ change
+ EOF
+ git diff --inter-hunk-context=2 --ignore-blank-lines >out.tmp &&
+ cat <<-\EOF >expected &&
+ diff --git a/x b/x
+ --- a/x
+ +++ b/x
+ @@ -1,10 +1,15 @@
+ +change
+ 1
+ 2
+ +
+ 3
+ 4
+ 5
+ +
+ 6
+ 7
+ 8
+ 9
+ +
+ 10
+ +change
+ EOF
+ compare_diff_patch expected out.tmp
+'
+
+test_expect_success 'ignore-blank-lines: scattered spaces' '
+ test_seq 10 >x &&
+ git update-index x &&
+ cat <<-\EOF >x &&
+ change
+ 1
+ 2
+ 3
+
+ 4
+
+ 5
+
+ 6
+
+
+ 7
+
+ 8
+ 9
+ 10
+ change
+ EOF
+ git diff --inter-hunk-context=4 --ignore-blank-lines >out.tmp &&
+ cat <<-\EOF >expected &&
+ diff --git a/x b/x
+ --- a/x
+ +++ b/x
+ @@ -1,3 +1,4 @@
+ +change
+ 1
+ 2
+ 3
+ @@ -8,3 +15,4 @@
+ 8
+ 9
+ 10
+ +change
+ EOF
+ compare_diff_patch expected out.tmp
+'
+
+test_expect_success 'ignore-blank-lines: spaces coalesce' '
+ test_seq 6 >x &&
+ git update-index x &&
+ cat <<-\EOF >x &&
+ change
+ 1
+ 2
+ 3
+
+ 4
+
+ 5
+
+ 6
+ change
+ EOF
+ git diff --inter-hunk-context=4 --ignore-blank-lines >out.tmp &&
+ cat <<-\EOF >expected &&
+ diff --git a/x b/x
+ --- a/x
+ +++ b/x
+ @@ -1,6 +1,11 @@
+ +change
+ 1
+ 2
+ 3
+ +
+ 4
+ +
+ 5
+ +
+ 6
+ +change
+ EOF
+ compare_diff_patch expected out.tmp
+'
+
+test_expect_success 'ignore-blank-lines: mix changes and blank lines' '
+ test_seq 16 >x &&
+ git update-index x &&
+ cat <<-\EOF >x &&
+ change
+ 1
+ 2
+
+ 3
+ 4
+ 5
+ change
+ 6
+ 7
+ 8
+
+ 9
+ 10
+ 11
+ change
+ 12
+ 13
+ 14
+
+ 15
+ 16
+ change
+ EOF
+ git diff --ignore-blank-lines >out.tmp &&
+ cat <<-\EOF >expected &&
+ diff --git a/x b/x
+ --- a/x
+ +++ b/x
+ @@ -1,8 +1,11 @@
+ +change
+ 1
+ 2
+ +
+ 3
+ 4
+ 5
+ +change
+ 6
+ 7
+ 8
+ @@ -9,8 +13,11 @@
+ 9
+ 10
+ 11
+ +change
+ 12
+ 13
+ 14
+ +
+ 15
+ 16
+ +change
+ EOF
+ compare_diff_patch expected out.tmp
+'
test_expect_success 'check mixed spaces and tabs in indent' '
-
# This is indented with SP HT SP.
- echo " foo();" > x &&
+ echo " foo();" >x &&
git diff --check | grep "space before tab in indent"
-
'
test_expect_success 'check mixed tabs and spaces in indent' '
-
# This is indented with HT SP HT.
- echo " foo();" > x &&
+ echo " foo();" >x &&
git diff --check | grep "space before tab in indent"
-
'
test_expect_success 'check with no whitespace errors' '
-
git commit -m "snapshot" &&
- echo "foo();" > x &&
+ echo "foo();" >x &&
git diff --check
-
'
test_expect_success 'check with trailing whitespace' '
-
- echo "foo(); " > x &&
+ echo "foo(); " >x &&
test_must_fail git diff --check
-
'
test_expect_success 'check with space before tab in indent' '
-
# indent has space followed by hard tab
- echo " foo();" > x &&
+ echo " foo();" >x &&
test_must_fail git diff --check
-
'
test_expect_success '--check and --exit-code are not exclusive' '
-
git checkout x &&
git diff --check --exit-code
-
'
test_expect_success '--check and --quiet are not exclusive' '
-
git diff --check --quiet
-
'
test_expect_success 'check staged with no whitespace errors' '
-
- echo "foo();" > x &&
+ echo "foo();" >x &&
git add x &&
git diff --cached --check
-
'
test_expect_success 'check staged with trailing whitespace' '
-
- echo "foo(); " > x &&
+ echo "foo(); " >x &&
git add x &&
test_must_fail git diff --cached --check
-
'
test_expect_success 'check staged with space before tab in indent' '
-
# indent has space followed by hard tab
- echo " foo();" > x &&
+ echo " foo();" >x &&
git add x &&
test_must_fail git diff --cached --check
-
'
test_expect_success 'check with no whitespace errors (diff-index)' '
-
- echo "foo();" > x &&
+ echo "foo();" >x &&
git add x &&
git diff-index --check HEAD
-
'
test_expect_success 'check with trailing whitespace (diff-index)' '
-
- echo "foo(); " > x &&
+ echo "foo(); " >x &&
git add x &&
test_must_fail git diff-index --check HEAD
-
'
test_expect_success 'check with space before tab in indent (diff-index)' '
-
# indent has space followed by hard tab
- echo " foo();" > x &&
+ echo " foo();" >x &&
git add x &&
test_must_fail git diff-index --check HEAD
-
'
test_expect_success 'check staged with no whitespace errors (diff-index)' '
-
- echo "foo();" > x &&
+ echo "foo();" >x &&
git add x &&
git diff-index --cached --check HEAD
-
'
test_expect_success 'check staged with trailing whitespace (diff-index)' '
-
- echo "foo(); " > x &&
+ echo "foo(); " >x &&
git add x &&
test_must_fail git diff-index --cached --check HEAD
-
'
test_expect_success 'check staged with space before tab in indent (diff-index)' '
-
# indent has space followed by hard tab
- echo " foo();" > x &&
+ echo " foo();" >x &&
git add x &&
test_must_fail git diff-index --cached --check HEAD
-
'
test_expect_success 'check with no whitespace errors (diff-tree)' '
-
- echo "foo();" > x &&
+ echo "foo();" >x &&
git commit -m "new commit" x &&
git diff-tree --check HEAD^ HEAD
-
'
test_expect_success 'check with trailing whitespace (diff-tree)' '
-
- echo "foo(); " > x &&
+ echo "foo(); " >x &&
git commit -m "another commit" x &&
test_must_fail git diff-tree --check HEAD^ HEAD
-
'
test_expect_success 'check with space before tab in indent (diff-tree)' '
-
# indent has space followed by hard tab
- echo " foo();" > x &&
+ echo " foo();" >x &&
git commit -m "yet another" x &&
test_must_fail git diff-tree --check HEAD^ HEAD
-
'
test_expect_success 'check trailing whitespace (trailing-space: off)' '
-
git config core.whitespace "-trailing-space" &&
- echo "foo (); " > x &&
+ echo "foo (); " >x &&
git diff --check
-
'
test_expect_success 'check trailing whitespace (trailing-space: on)' '
-
git config core.whitespace "trailing-space" &&
- echo "foo (); " > x &&
+ echo "foo (); " >x &&
test_must_fail git diff --check
-
'
test_expect_success 'check space before tab in indent (space-before-tab: off)' '
-
# indent contains space followed by HT
git config core.whitespace "-space-before-tab" &&
- echo " foo ();" > x &&
+ echo " foo ();" >x &&
git diff --check
-
'
test_expect_success 'check space before tab in indent (space-before-tab: on)' '
-
# indent contains space followed by HT
git config core.whitespace "space-before-tab" &&
- echo " foo (); " > x &&
+ echo " foo (); " >x &&
test_must_fail git diff --check
-
'
test_expect_success 'check spaces as indentation (indent-with-non-tab: off)' '
-
git config core.whitespace "-indent-with-non-tab" &&
- echo " foo ();" > x &&
+ echo " foo ();" >x &&
git diff --check
-
'
test_expect_success 'check spaces as indentation (indent-with-non-tab: on)' '
-
git config core.whitespace "indent-with-non-tab" &&
- echo " foo ();" > x &&
+ echo " foo ();" >x &&
test_must_fail git diff --check
-
'
test_expect_success 'ditto, but tabwidth=9' '
-
git config core.whitespace "indent-with-non-tab,tabwidth=9" &&
git diff --check
-
'
test_expect_success 'check tabs and spaces as indentation (indent-with-non-tab: on)' '
-
git config core.whitespace "indent-with-non-tab" &&
- echo " foo ();" > x &&
+ echo " foo ();" >x &&
test_must_fail git diff --check
-
'
test_expect_success 'ditto, but tabwidth=10' '
-
git config core.whitespace "indent-with-non-tab,tabwidth=10" &&
test_must_fail git diff --check
-
'
test_expect_success 'ditto, but tabwidth=20' '
-
git config core.whitespace "indent-with-non-tab,tabwidth=20" &&
git diff --check
-
'
test_expect_success 'check tabs as indentation (tab-in-indent: off)' '
-
git config core.whitespace "-tab-in-indent" &&
- echo " foo ();" > x &&
+ echo " foo ();" >x &&
git diff --check
-
'
test_expect_success 'check tabs as indentation (tab-in-indent: on)' '
-
git config core.whitespace "tab-in-indent" &&
- echo " foo ();" > x &&
+ echo " foo ();" >x &&
test_must_fail git diff --check
-
'
test_expect_success 'check tabs and spaces as indentation (tab-in-indent: on)' '
-
git config core.whitespace "tab-in-indent" &&
- echo " foo ();" > x &&
+ echo " foo ();" >x &&
test_must_fail git diff --check
-
'
test_expect_success 'ditto, but tabwidth=1 (must be irrelevant)' '
-
git config core.whitespace "tab-in-indent,tabwidth=1" &&
test_must_fail git diff --check
-
'
test_expect_success 'check tab-in-indent and indent-with-non-tab conflict' '
-
git config core.whitespace "tab-in-indent,indent-with-non-tab" &&
- echo "foo ();" > x &&
+ echo "foo ();" >x &&
test_must_fail git diff --check
-
'
test_expect_success 'check tab-in-indent excluded from wildcard whitespace attribute' '
-
git config --unset core.whitespace &&
- echo "x whitespace" > .gitattributes &&
- echo " foo ();" > x &&
+ echo "x whitespace" >.gitattributes &&
+ echo " foo ();" >x &&
git diff --check &&
rm -f .gitattributes
-
'
test_expect_success 'line numbers in --check output are correct' '
-
- echo "" > x &&
- echo "foo(); " >> x &&
+ echo "" >x &&
+ echo "foo(); " >>x &&
git diff --check | grep "x:2:"
-
'
test_expect_success 'checkdiff detects new trailing blank lines (1)' '
@@ -530,29 +810,127 @@ test_expect_success 'setup diff colors' '
git config color.diff.old red &&
git config color.diff.new green &&
git config color.diff.commit yellow &&
- git config color.diff.whitespace "normal red" &&
+ git config color.diff.whitespace blue &&
git config core.autocrlf false
'
-cat >expected <<\EOF
-<BOLD>diff --git a/x b/x<RESET>
-<BOLD>index 9daeafb..2874b91 100644<RESET>
-<BOLD>--- a/x<RESET>
-<BOLD>+++ b/x<RESET>
-<CYAN>@@ -1 +1,4 @@<RESET>
- test<RESET>
-<GREEN>+<RESET><GREEN>{<RESET>
-<GREEN>+<RESET><BRED> <RESET>
-<GREEN>+<RESET><GREEN>}<RESET>
-EOF
test_expect_success 'diff that introduces a line with only tabs' '
git config core.whitespace blank-at-eol &&
git reset --hard &&
- echo "test" > x &&
+ echo "test" >x &&
git commit -m "initial" x &&
- echo "{NTN}" | tr "NT" "\n\t" >> x &&
+ echo "{NTN}" | tr "NT" "\n\t" >>x &&
git -c color.diff=always diff | test_decode_color >current &&
+
+ cat >expected <<-\EOF &&
+ <BOLD>diff --git a/x b/x<RESET>
+ <BOLD>index 9daeafb..2874b91 100644<RESET>
+ <BOLD>--- a/x<RESET>
+ <BOLD>+++ b/x<RESET>
+ <CYAN>@@ -1 +1,4 @@<RESET>
+ test<RESET>
+ <GREEN>+<RESET><GREEN>{<RESET>
+ <GREEN>+<RESET><BLUE> <RESET>
+ <GREEN>+<RESET><GREEN>}<RESET>
+ EOF
+
+ test_cmp expected current
+'
+
+test_expect_success 'diff that introduces and removes ws breakages' '
+ git reset --hard &&
+ {
+ echo "0. blank-at-eol " &&
+ echo "1. blank-at-eol "
+ } >x &&
+ git commit -a --allow-empty -m preimage &&
+ {
+ echo "0. blank-at-eol " &&
+ echo "1. still-blank-at-eol " &&
+ echo "2. and a new line "
+ } >x &&
+
+ git -c color.diff=always diff |
+ test_decode_color >current &&
+
+ cat >expected <<-\EOF &&
+ <BOLD>diff --git a/x b/x<RESET>
+ <BOLD>index d0233a2..700886e 100644<RESET>
+ <BOLD>--- a/x<RESET>
+ <BOLD>+++ b/x<RESET>
+ <CYAN>@@ -1,2 +1,3 @@<RESET>
+ 0. blank-at-eol <RESET>
+ <RED>-1. blank-at-eol <RESET>
+ <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET>
+ <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET>
+ EOF
+
+ test_cmp expected current
+'
+
+test_expect_success 'the same with --ws-error-highlight' '
+ git reset --hard &&
+ {
+ echo "0. blank-at-eol " &&
+ echo "1. blank-at-eol "
+ } >x &&
+ git commit -a --allow-empty -m preimage &&
+ {
+ echo "0. blank-at-eol " &&
+ echo "1. still-blank-at-eol " &&
+ echo "2. and a new line "
+ } >x &&
+
+ git -c color.diff=always diff --ws-error-highlight=default,old |
+ test_decode_color >current &&
+
+ cat >expected <<-\EOF &&
+ <BOLD>diff --git a/x b/x<RESET>
+ <BOLD>index d0233a2..700886e 100644<RESET>
+ <BOLD>--- a/x<RESET>
+ <BOLD>+++ b/x<RESET>
+ <CYAN>@@ -1,2 +1,3 @@<RESET>
+ 0. blank-at-eol <RESET>
+ <RED>-<RESET><RED>1. blank-at-eol<RESET><BLUE> <RESET>
+ <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET>
+ <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET>
+ EOF
+
+ test_cmp expected current &&
+
+ git -c color.diff=always diff --ws-error-highlight=all |
+ test_decode_color >current &&
+
+ cat >expected <<-\EOF &&
+ <BOLD>diff --git a/x b/x<RESET>
+ <BOLD>index d0233a2..700886e 100644<RESET>
+ <BOLD>--- a/x<RESET>
+ <BOLD>+++ b/x<RESET>
+ <CYAN>@@ -1,2 +1,3 @@<RESET>
+ <RESET>0. blank-at-eol<RESET><BLUE> <RESET>
+ <RED>-<RESET><RED>1. blank-at-eol<RESET><BLUE> <RESET>
+ <GREEN>+<RESET><GREEN>1. still-blank-at-eol<RESET><BLUE> <RESET>
+ <GREEN>+<RESET><GREEN>2. and a new line<RESET><BLUE> <RESET>
+ EOF
+
+ test_cmp expected current &&
+
+ git -c color.diff=always diff --ws-error-highlight=none |
+ test_decode_color >current &&
+
+ cat >expected <<-\EOF &&
+ <BOLD>diff --git a/x b/x<RESET>
+ <BOLD>index d0233a2..700886e 100644<RESET>
+ <BOLD>--- a/x<RESET>
+ <BOLD>+++ b/x<RESET>
+ <CYAN>@@ -1,2 +1,3 @@<RESET>
+ 0. blank-at-eol <RESET>
+ <RED>-1. blank-at-eol <RESET>
+ <GREEN>+1. still-blank-at-eol <RESET>
+ <GREEN>+2. and a new line <RESET>
+ EOF
+
test_cmp expected current
'