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-rwxr-xr-xt/t4015-diff-whitespace.sh96
1 files changed, 96 insertions, 0 deletions
diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index 4da30e5a1e..2434157aa7 100755
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -838,4 +838,100 @@ test_expect_success 'diff that introduces a line with only tabs' '
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
+'
+
test_done