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Diffstat (limited to 'src/nvim/testdir/test_expr.vim')
-rw-r--r-- | src/nvim/testdir/test_expr.vim | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_expr.vim b/src/nvim/testdir/test_expr.vim new file mode 100644 index 0000000000..7ea4ebc7df --- /dev/null +++ b/src/nvim/testdir/test_expr.vim @@ -0,0 +1,25 @@ +" Tests for expressions. + +func Test_strgetchar() + call assert_equal(char2nr('a'), strgetchar('axb', 0)) + call assert_equal(char2nr('x'), strgetchar('axb', 1)) + call assert_equal(char2nr('b'), strgetchar('axb', 2)) + + call assert_equal(-1, strgetchar('axb', -1)) + call assert_equal(-1, strgetchar('axb', 3)) + call assert_equal(-1, strgetchar('', 0)) +endfunc + +func Test_strcharpart() + call assert_equal('a', strcharpart('axb', 0, 1)) + call assert_equal('x', strcharpart('axb', 1, 1)) + call assert_equal('b', strcharpart('axb', 2, 1)) + call assert_equal('xb', strcharpart('axb', 1)) + + call assert_equal('', strcharpart('axb', 1, 0)) + call assert_equal('', strcharpart('axb', 1, -1)) + call assert_equal('', strcharpart('axb', -1, 1)) + call assert_equal('', strcharpart('axb', -2, 2)) + + call assert_equal('a', strcharpart('axb', -1, 2)) +endfunc |