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patch 8.1.0755: error message for get() on a Blob with invalid index

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Problem:    Error message for get() on a Blob with invalid index.
Solution:   Return an empty Blob, like get() on a List does.
This commit is contained in:
Bram Moolenaar
2019-01-15 22:16:42 +01:00
parent 177ab9e026
commit 2ea773b468
3 changed files with 21 additions and 3 deletions
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13
src/testdir/test_blob.vim
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@@ -20,7 +20,6 @@ func Test_blob_create()
call assert_equal(0xDE, get(b, 0))
call assert_equal(0xEF, get(b, 3))
call assert_fails('let x = get(b, 4)')
call assert_fails('let b = 0z1', 'E973:')
call assert_fails('let b = 0z1x', 'E973:')
@@ -79,6 +78,18 @@ func Test_blob_get_range()
call assert_equal(0z, b[5:6])
endfunc
func Test_blob_get()
let b = 0z0011223344
call assert_equal(0x00, get(b, 0))
call assert_equal(0x22, get(b, 2, 999))
call assert_equal(0x44, get(b, 4))
call assert_equal(0x44, get(b, -1))
call assert_equal(-1, get(b, 5))
call assert_equal(999, get(b, 5, 999))
call assert_equal(-1, get(b, -8))
call assert_equal(999, get(b, -8, 999))
endfunc
func Test_blob_to_string()
let b = 0zDEADBEEF
call assert_equal('[0xDE,0xAD,0xBE,0xEF]', string(b))