Mercurial > vim
comparison src/testdir/test_blob.vim @ 15581:c2382f0d1279 v8.1.0798
patch 8.1.0798: changing a blob while iterating over it works strangely
commit https://github.com/vim/vim/commit/dd29ea18050284526174b5685781469240f5bc4a
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Jan 23 21:56:21 2019 +0100
patch 8.1.0798: changing a blob while iterating over it works strangely
Problem: Changing a blob while iterating over it works strangely.
Solution: Make a copy of the Blob before iterating.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 23 Jan 2019 22:00:06 +0100 |
| parents | 4af72c724093 |
| children | 44ea60ca593b |
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| 15580:0bf6ce525d42 | 15581:c2382f0d1279 |
|---|---|
| 152 let i = 0 | 152 let i = 0 |
| 153 for byte in blob | 153 for byte in blob |
| 154 call assert_equal(i, byte) | 154 call assert_equal(i, byte) |
| 155 let i += 1 | 155 let i += 1 |
| 156 endfor | 156 endfor |
| 157 call assert_equal(4, i) | |
| 157 | 158 |
| 158 let blob = 0z00 | 159 let blob = 0z00 |
| 159 call remove(blob, 0) | 160 call remove(blob, 0) |
| 160 call assert_equal(0, len(blob)) | 161 call assert_equal(0, len(blob)) |
| 161 for byte in blob | 162 for byte in blob |
| 162 call assert_error('loop over empty blob') | 163 call assert_error('loop over empty blob') |
| 163 endfor | 164 endfor |
| 165 | |
| 166 let blob = 0z0001020304 | |
| 167 let i = 0 | |
| 168 for byte in blob | |
| 169 call assert_equal(i, byte) | |
| 170 if i == 1 | |
| 171 call remove(blob, 0) | |
| 172 elseif i == 3 | |
| 173 call remove(blob, 3) | |
| 174 endif | |
| 175 let i += 1 | |
| 176 endfor | |
| 177 call assert_equal(5, i) | |
| 164 endfunc | 178 endfunc |
| 165 | 179 |
| 166 func Test_blob_concatenate() | 180 func Test_blob_concatenate() |
| 167 let b = 0z0011 | 181 let b = 0z0011 |
| 168 let b += 0z2233 | 182 let b += 0z2233 |