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tests: Stabilize float format and %e in format_luav and format_string

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This commit is contained in:
ZyX
2017-11-19 21:40:34 +03:00
parent 731dc82f8c
commit ebb33eddd9
3 changed files with 15 additions and 4 deletions
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15
test/helpers.lua
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@@ -395,6 +395,13 @@ local function dedent(str, leave_indent)
return str
end
local function format_float(v)
-- On windows exponent appears to have three digits and not two
local ret = ('%.6e'):format(v)
local l, f, es, e = ret:match('^(%-?%d)%.(%d+)e([+%-])0*(%d%d+)$')
return l .. '.' .. f .. 'e' .. es .. e
end
local SUBTBL = {
'\\000', '\\001', '\\002', '\\003', '\\004',
'\\005', '\\006', '\\007', '\\008', '\\t',
@@ -468,7 +475,7 @@ format_luav = function(v, indent, opts)
if v % 1 == 0 then
ret = ('%d'):format(v)
else
ret = ('%e'):format(v)
ret = format_float(v)
end
elseif type(v) == 'nil' then
ret = 'nil'
@@ -501,7 +508,11 @@ local function format_string(fmt, ...)
subfmt = subfmt:sub(1, -2) .. 's'
arg = format_luav(arg)
end
return subfmt:format(arg)
if subfmt == '%e' then
return format_float(arg)
else
return subfmt:format(arg)
end
end)
return ret
end