Mercurial > vim
view src/testdir/test_blob.vim @ 15454:1d2b5c016f17 v8.1.0735
patch 8.1.0735: cannot handle binary data
commit https://github.com/vim/vim/commit/6e5ea8d2a995b32bbc5972edc4f827b959f2702f
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jan 12 22:47:31 2019 +0100
patch 8.1.0735: cannot handle binary data
Problem: Cannot handle binary data.
Solution: Add the Blob type. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/3638)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 12 Jan 2019 23:00:06 +0100 |
parents | |
children | f01eb1aed348 |
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" Tests for the Blob types func TearDown() " Run garbage collection after every test call test_garbagecollect_now() endfunc " Tests for Blob type " Blob creation from constant func Test_blob_create() let b = 0zDEADBEEF call assert_equal(v:t_blob, type(b)) call assert_equal(4, len(b)) call assert_equal(0xDE, b[0]) call assert_equal(0xAD, b[1]) call assert_equal(0xBE, b[2]) call assert_equal(0xEF, b[3]) call assert_fails('let x = b[4]') call assert_equal(0xDE, get(b, 0)) call assert_equal(0xEF, get(b, 3)) call assert_fails('let x = get(b, 4)') endfunc " assignment to a blob func Test_blob_assign() let b = 0zDEADBEEF let b2 = b[1:2] call assert_equal(0zADBE, b2) let bcopy = b[:] call assert_equal(b, bcopy) call assert_false(b is bcopy) endfunc func Test_blob_to_string() let b = 0zDEADBEEF call assert_equal('[0xDE,0xAD,0xBE,0xEF]', string(b)) call remove(b, 0, 3) call assert_equal('[]', string(b)) endfunc func Test_blob_compare() let b1 = 0z0011 let b2 = 0z1100 call assert_false(b1 == b2) call assert_true(b1 != b2) call assert_true(b1 == 0z0011) call assert_false(b1 is b2) let b2 = b1 call assert_true(b1 is b2) call assert_fails('let x = b1 > b2') call assert_fails('let x = b1 < b2') call assert_fails('let x = b1 - b2') call assert_fails('let x = b1 / b2') call assert_fails('let x = b1 * b2') endfunc " test for range assign func Test_blob_range_assign() let b = 0z00 let b[1] = 0x11 let b[2] = 0x22 call assert_equal(0z001122, b) call assert_fails('let b[4] = 0x33') endfunc func Test_blob_for_loop() let blob = 0z00010203 let i = 0 for byte in blob call assert_equal(i, byte) let i += 1 endfor let blob = 0z00 call remove(blob, 0) call assert_equal(0, len(blob)) for byte in blob call assert_error('loop over empty blob') endfor endfunc func Test_blob_concatenate() let b = 0z0011 let b += 0z2233 call assert_equal(0z00112233, b) call assert_fails('let b += "a"') call assert_fails('let b += 88') let b = 0zDEAD + 0zBEEF call assert_equal(0zDEADBEEF, b) endfunc " Test removing items in blob func Test_blob_func_remove() " Test removing 1 element let b = 0zDEADBEEF call assert_equal(0xDE, remove(b, 0)) call assert_equal(0zADBEEF, b) let b = 0zDEADBEEF call assert_equal(0xEF, remove(b, -1)) call assert_equal(0zDEADBE, b) let b = 0zDEADBEEF call assert_equal(0xAD, remove(b, 1)) call assert_equal(0zDEBEEF, b) " Test removing range of element(s) let b = 0zDEADBEEF call assert_equal(0zBE, remove(b, 2, 2)) call assert_equal(0zDEADEF, b) let b = 0zDEADBEEF call assert_equal(0zADBE, remove(b, 1, 2)) call assert_equal(0zDEEF, b) " Test invalid cases let b = 0zDEADBEEF call assert_fails("call remove(b, 5)", 'E979:') call assert_fails("call remove(b, 1, 5)", 'E979:') call assert_fails("call remove(b, 3, 2)", 'E979:') call assert_fails("call remove(1, 0)", 'E712:') call assert_fails("call remove(b, b)", 'E974:') endfunc func Test_blob_read_write() let b = 0zDEADBEEF call writefile(b, 'Xblob') let br = readfile('Xblob', 'B') call assert_equal(b, br) call delete('Xblob') endfunc " filter() item in blob func Test_blob_filter() let b = 0zDEADBEEF call filter(b, 'v:val != 0xEF') call assert_equal(0zDEADBE, b) endfunc " map() item in blob func Test_blob_map() let b = 0zDEADBEEF call map(b, 'v:val + 1') call assert_equal(0zDFAEBFF0, b) endfunc func Test_blob_index() call assert_equal(2, index(0zDEADBEEF, 0xBE)) call assert_equal(-1, index(0zDEADBEEF, 0)) endfunc func Test_blob_insert() let b = 0zDEADBEEF call insert(b, 0x33) call assert_equal(0z33DEADBEEF, b) let b = 0zDEADBEEF call insert(b, 0x33, 2) call assert_equal(0zDEAD33BEEF, b) endfunc func Test_blob_reverse() call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF)) call assert_equal(0zBEADDE, reverse(0zDEADBE)) call assert_equal(0zADDE, reverse(0zDEAD)) call assert_equal(0zDE, reverse(0zDE)) endfunc func Test_blob_json_encode() call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF)) call assert_equal('[]', json_encode(0z)) endfunc