'
done
+test_expect_success 'splitting previous hunk marks split hunks as undecided' '
+ test_write_lines a " " b c d e f g h i j k >file &&
+ git add file &&
+ test_write_lines x " " b y d e f g h i j x >file &&
+ test_write_lines n K s n y q | git add -p file &&
+ git cat-file blob :file >actual &&
+ test_write_lines a " " b y d e f g h i j k >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'splitting edited hunk' '
+ # Before the first hunk is edited it can be split into two
+ # hunks, after editing it can be split into three hunks.
+
+ write_script fake-editor.sh <<-\EOF &&
+ sed "s/^ c/-c/" "$1" >"$1.tmp" &&
+ mv "$1.tmp" "$1"
+ EOF
+
+ test_write_lines a b c d e f g h i j k l m n >file &&
+ git add file &&
+ test_write_lines A b c d E f g h i j k l M n >file &&
+ (
+ test_set_editor "$(pwd)/fake-editor.sh" &&
+ test_write_lines e K s j y n y q | git add -p file
+ ) &&
+ git cat-file blob :file >actual &&
+ test_write_lines a b d e f g h i j k l M n >expect &&
+ test_cmp expect actual
+'
+
+ test_expect_success 'options J, K roll over' '
+ test_write_lines a b c d e f g h i >file &&
+ git add file &&
+ test_write_lines X b c d e f g h X >file &&
+ test_write_lines J J K q | git add -p >out &&
+ test_write_lines 1 2 1 2 >expect &&
+ sed -n -e "s-/.*--" -e "s/^(//p" <out >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success 'options y, n, j, k, e roll over to next undecided (1)' '
+ test_write_lines a b c d e f g h i j k l m n o p q >file &&
+ git add file &&
+ test_write_lines X b c d e f g h X j k l m n o p X >file &&
+ test_set_editor : &&
+ test_write_lines g3 y g3 n g3 j g3 e k q | git add -p >out &&
+ test_write_lines 1 3 1 3 1 3 1 3 1 2 >expect &&
+ sed -n -e "s-/.*--" -e "s/^(//p" <out >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success 'options y, n, j, k, e roll over to next undecided (2)' '
+ test_write_lines a b c d e f g h i j k l m n o p q >file &&
+ git add file &&
+ test_write_lines X b c d e f g h X j k l m n o p X >file &&
+ test_set_editor : &&
+ test_write_lines y g3 y g3 n g3 j g3 e g1 k q | git add -p >out &&
+ test_write_lines 1 2 3 2 3 2 3 2 3 2 1 2 >expect &&
+ sed -n -e "s-/.*--" -e "s/^(//p" <out >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success 'invalid option s is rejected' '
+ test_write_lines a b c d e f g h i j k >file &&
+ git add file &&
+ test_write_lines X b X d e f g h i j X >file &&
+ test_write_lines j s q | git add -p >out &&
+ sed -ne "s/ @@.*//" -e "s/ \$//" -e "/^(/p" <out >actual &&
+ cat >expect <<-EOF &&
+ (1/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,s,e,p,?]?
+ (2/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,e,p,?]? Sorry, cannot split this hunk
+ (2/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,e,p,?]?
+ EOF
+ test_cmp expect actual
+ '
+
test_done