mirror of
https://github.com/neovim/neovim.git
synced 2025-09-07 11:58:17 +00:00
12b062b2c8
Used
sed -r -i -e '/ helpers =/ s/$/\nlocal itp = helpers.gen_itp(it)/; s/^(\s*)it\(/\1itp(/' test/unit/**/*_spec.lua
to alter all tests. Locally they all run fine now.
Reasoning:
1. General: state from one test should not affect other tests.
2. Local: travis build is failing with something which may be an output of
garbage collector. This should prevent state of the garbage collector from
interferring as well.
144 lines
6.2 KiB
Lua
144 lines
6.2 KiB
Lua
local helpers = require('test.unit.helpers')
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local itp = helpers.gen_itp(it)
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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 neq = helpers.neq
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local ffi = helpers.ffi
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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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'./src/nvim/message.h')
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describe('json_decode_string()', function()
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local saved_p_enc = nil
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before_each(function()
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saved_p_enc = decode.p_enc
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end)
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after_each(function()
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decode.emsg_silent = 0
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decode.p_enc = saved_p_enc
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while decode.delete_first_msg() == 1 do
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-- Delete all messages
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end
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end)
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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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itp('does not overflow when running with `n…`, `t…`, `f…`', function()
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local rettv = ffi.new('typval_T', {v_type=decode.VAR_UNKNOWN})
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decode.emsg_silent = 1
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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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itp('does not overflow and crash when running with `n`, `t`, `f`', function()
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local rettv = ffi.new('typval_T', {v_type=decode.VAR_UNKNOWN})
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decode.emsg_silent = 1
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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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itp('does not overflow when running with `"…`', function()
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local rettv = ffi.new('typval_T', {v_type=decode.VAR_UNKNOWN})
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decode.emsg_silent = 1
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eq(0, decode.json_decode_string('"t"', 2, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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eq(0, decode.json_decode_string('""', 1, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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end)
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local check_failure = function(s, len, msg)
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local rettv = ffi.new('typval_T', {v_type=decode.VAR_UNKNOWN})
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eq(0, decode.json_decode_string(s, len, rettv))
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eq(decode.VAR_UNKNOWN, rettv.v_type)
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neq(nil, decode.last_msg_hist)
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eq(msg, ffi.string(decode.last_msg_hist.msg))
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end
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itp('does not overflow in error messages', function()
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check_failure(']test', 1, 'E474: No container to close: ]')
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check_failure('[}test', 2, 'E474: Closing list with curly bracket: }')
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check_failure('{]test', 2,
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'E474: Closing dictionary with square bracket: ]')
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check_failure('[1,]test', 4, 'E474: Trailing comma: ]')
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check_failure('{"1":}test', 6, 'E474: Expected value after colon: }')
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check_failure('{"1"}test', 5, 'E474: Expected value: }')
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check_failure(',test', 1, 'E474: Comma not inside container: ,')
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check_failure('[1,,1]test', 6, 'E474: Duplicate comma: ,1]')
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check_failure('{"1":,}test', 7, 'E474: Comma after colon: ,}')
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check_failure('{"1",}test', 6, 'E474: Using comma in place of colon: ,}')
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check_failure('{,}test', 3, 'E474: Leading comma: ,}')
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check_failure('[,]test', 3, 'E474: Leading comma: ,]')
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check_failure(':test', 1, 'E474: Colon not inside container: :')
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check_failure('[:]test', 3, 'E474: Using colon not in dictionary: :]')
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check_failure('{:}test', 3, 'E474: Unexpected colon: :}')
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check_failure('{"1"::1}test', 8, 'E474: Duplicate colon: :1}')
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check_failure('ntest', 1, 'E474: Expected null: n')
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check_failure('ttest', 1, 'E474: Expected true: t')
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check_failure('ftest', 1, 'E474: Expected false: f')
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check_failure('"\\test', 2, 'E474: Unfinished escape sequence: "\\')
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check_failure('"\\u"test', 4,
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'E474: Unfinished unicode escape sequence: "\\u"')
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check_failure('"\\uXXXX"est', 8,
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'E474: Expected four hex digits after \\u: \\uXXXX"')
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check_failure('"\\?"test', 4, 'E474: Unknown escape sequence: \\?"')
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check_failure(
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'"\t"test', 3,
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'E474: ASCII control characters cannot be present inside string: \t"')
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check_failure('"\194"test', 3, 'E474: Only UTF-8 strings allowed: \194"')
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check_failure('"\252\144\128\128\128\128"test', 8, 'E474: Only UTF-8 code points up to U+10FFFF are allowed to appear unescaped: \252\144\128\128\128\128"')
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check_failure('"test', 1, 'E474: Expected string end: "')
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decode.p_enc = to_cstr('latin1')
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check_failure('"\\uABCD"test', 8,
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'E474: Failed to convert string "ꯍ" from UTF-8')
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decode.p_enc = saved_p_enc
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check_failure('-test', 1, 'E474: Missing number after minus sign: -')
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check_failure('-1.test', 3, 'E474: Missing number after decimal dot: -1.')
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check_failure('-1.0etest', 5, 'E474: Missing exponent: -1.0e')
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check_failure('?test', 1, 'E474: Unidentified byte: ?')
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check_failure('1?test', 2, 'E474: Trailing characters: ?')
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check_failure('[1test', 2, 'E474: Unexpected end of input: [1')
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end)
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itp('does not overflow with `-`', function()
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check_failure('-0', 1, 'E474: Missing number after minus sign: -')
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end)
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itp('does not overflow and crash when running with `"`', function()
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local rettv = ffi.new('typval_T', {v_type=decode.VAR_UNKNOWN})
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decode.emsg_silent = 1
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eq(0, decode.json_decode_string(char('"'), 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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