mirror of
https://github.com/neovim/neovim.git
synced 2026-01-04 10:26:42 +10:00
66 lines
2.5 KiB
Lua
66 lines
2.5 KiB
Lua
local ffi = require('ffi')
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local helpers = require('test.unit.helpers')
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local eval_helpers = require('test.unit.eval.helpers')
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local cimport = helpers.cimport
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local to_cstr = helpers.to_cstr
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local eq = helpers.eq
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local list = eval_helpers.list
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local lst2tbl = eval_helpers.lst2tbl
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local type_key = eval_helpers.type_key
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local list_type = eval_helpers.list_type
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local null_string = eval_helpers.null_string
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local decode = cimport('./src/nvim/eval/decode.h', './src/nvim/eval_defs.h',
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'./src/nvim/globals.h', './src/nvim/memory.h')
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describe('json_decode_string()', function()
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after_each(function()
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decode.emsg_silent = 0
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end)
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it('does not overflow when running with `n…`, `t…`, `f…`', function()
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local rettv = ffi.new('typval_T')
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decode.emsg_silent = 1
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rettv.v_type = decode.VAR_UNKNOWN
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-- This will not crash, but if `len` argument will be ignored it will parse
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-- `null` as `null` and if not it will parse `null` as `n`.
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eq(0, decode.json_decode_string('null', 1, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('true', 1, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('false', 1, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('null', 2, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('true', 2, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('false', 2, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('null', 3, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('true', 3, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('false', 3, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('false', 4, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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end)
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it('does not overflow and crash when running with `n`, `t`, `f`', function()
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local rettv = ffi.new('typval_T')
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decode.emsg_silent = 1
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rettv.v_type = decode.VAR_UNKNOWN
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local char = function(c)
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return ffi.gc(decode.xmemdup(c, 1), decode.xfree)
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end
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eq(0, decode.json_decode_string(char('n'), 1, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string(char('t'), 1, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string(char('f'), 1, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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end)
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end)
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