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-rw-r--r--src/testdir/test_utf8.vim35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/testdir/test_utf8.vim b/src/testdir/test_utf8.vim
index 8a71f5035..98793c397 100644
--- a/src/testdir/test_utf8.vim
+++ b/src/testdir/test_utf8.vim
@@ -1,5 +1,6 @@
" Tests for Unicode manipulations
+source view_util.vim
" Visual block Insert adjusts for multi-byte char
func Test_visual_block_insert()
@@ -60,3 +61,37 @@ func Test_getvcol()
call assert_equal(2, virtcol("'["))
call assert_equal(2, virtcol("']"))
endfunc
+
+func Test_screenchar_utf8()
+ new
+
+ " 1-cell, with composing characters
+ call setline(1, ["ABC\u0308"])
+ redraw
+ call assert_equal([0x0041], screenchars(1, 1))
+ call assert_equal([0x0042], screenchars(1, 2))
+ call assert_equal([0x0043, 0x0308], screenchars(1, 3))
+ call assert_equal("A", screenstring(1, 1))
+ call assert_equal("B", screenstring(1, 2))
+ call assert_equal("C\u0308", screenstring(1, 3))
+
+ " 2-cells, with composing characters
+ let text = "\u3042\u3044\u3046\u3099"
+ call setline(1, text)
+ redraw
+ call assert_equal([0x3042], screenchars(1, 1))
+ call assert_equal([0], screenchars(1, 2))
+ call assert_equal([0x3044], screenchars(1, 3))
+ call assert_equal([0], screenchars(1, 4))
+ call assert_equal([0x3046, 0x3099], screenchars(1, 5))
+
+ call assert_equal("\u3042", screenstring(1, 1))
+ call assert_equal("", screenstring(1, 2))
+ call assert_equal("\u3044", screenstring(1, 3))
+ call assert_equal("", screenstring(1, 4))
+ call assert_equal("\u3046\u3099", screenstring(1, 5))
+
+ call assert_equal([text . ' '], ScreenLinesUtf8(1, 8))
+
+ bwipe!
+endfunc