patch 8.0.0381: diff mode is not sufficiently tested
Problem: Diff mode is not sufficiently tested.
Solution: Add more diff mode tests. (Dominique Pelle, closes #1515)
diff --git a/src/testdir/test_diffmode.vim b/src/testdir/test_diffmode.vim
index 8ee82bd..c3d4be9 100644
--- a/src/testdir/test_diffmode.vim
+++ b/src/testdir/test_diffmode.vim
@@ -272,3 +272,78 @@
call delete('Xtest1')
call delete('Xtest2')
endfunc
+
+func Test_diff_move_to()
+ new
+ call setline(1, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
+ diffthis
+ vnew
+ call setline(1, [1, '2x', 3, 4, 4, 5, '6x', 7, '8x', 9, '10x'])
+ diffthis
+ norm ]c
+ call assert_equal(2, line('.'))
+ norm 3]c
+ call assert_equal(9, line('.'))
+ norm 10]c
+ call assert_equal(11, line('.'))
+ norm [c
+ call assert_equal(9, line('.'))
+ norm 2[c
+ call assert_equal(5, line('.'))
+ norm 10[c
+ call assert_equal(2, line('.'))
+ %bwipe!
+endfunc
+
+func Test_diffpatch()
+ " The patch program on MS-Windows may fail or hang.
+ if !executable('patch') || !has('unix')
+ return
+ endif
+ new
+ insert
+***************
+*** 1,3 ****
+ 1
+! 2
+ 3
+--- 1,4 ----
+ 1
+! 2x
+ 3
++ 4
+.
+ saveas Xpatch
+ bwipe!
+ new
+ call assert_fails('diffpatch Xpatch', 'E816:')
+ call setline(1, ['1', '2', '3'])
+ diffpatch Xpatch
+ call assert_equal(['1', '2x', '3', '4'], getline(1, '$'))
+ call delete('Xpatch')
+ bwipe!
+endfunc
+
+func Test_diff_too_many_buffers()
+ for i in range(1, 8)
+ exe "new Xtest" . i
+ diffthis
+ endfor
+ new Xtest9
+ call assert_fails('diffthis', 'E96:')
+ %bwipe!
+endfunc
+
+func Test_diff_nomodifiable()
+ new
+ call setline(1, [1, 2, 3, 4])
+ setl nomodifiable
+ diffthis
+ vnew
+ call setline(1, ['1x', 2, 3, 3, 4])
+ diffthis
+ call assert_fails('norm dp', 'E793:')
+ setl nomodifiable
+ call assert_fails('norm do', 'E21:')
+ %bwipe!
+endfunc
diff --git a/src/version.c b/src/version.c
index 7408b6d..ccde26d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 381,
+/**/
380,
/**/
379,