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-- Test for floating point and logical operators.
local helpers = require('test.functional.helpers')(after_each)
local insert, source = helpers.insert, helpers.source
local clear, execute, expect = helpers.clear, helpers.execute, helpers.expect
describe('floating point and logical operators', function()
setup(clear)
it('is working', function()
insert([=[
Results of test65:]=])
source([[
$put =printf('%f', 123.456)
$put =printf('%e', 123.456)
$put =printf('%g', 123.456)
" Check we don't crash on division by zero.
echo 1.0 / 0.0
$put ='+='
let v = 1.234
let v += 6.543
$put =printf('%g', v)
let v = 1.234
let v += 5
$put =printf('%g', v)
let a = 5
let a += 3.333
$put =string(a)
$put ='=='
let v = 1.234
$put =v == 1.234
$put =v == 1.2341
$put ='add-subtract'
$put =printf('%g', 4 + 1.234)
$put =printf('%g', 1.234 - 8)
$put ='mult-div'
$put =printf('%g', 4 * 1.234)
$put =printf('%g', 4.0 / 1234)
$put ='dict'
$put =string({'x': 1.234, 'y': -2.0e20})
$put ='list'
$put =string([-123.4, 2.0e-20])
$put ='abs'
$put =printf('%d', abs(1456))
$put =printf('%d', abs(-4))
]])
-- The test will throw an error if this line is included in a source()
-- call. The vim expression throws a exception "E745: Using a List as a
-- Number" which is fatal in a source() call but not in a execute() call.
execute([[$put =printf('%d', abs([1, 2, 3]))]])
source([[
$put =printf('%g', abs(14.56))
$put =printf('%g', abs(-54.32))
$put ='ceil'
$put =printf('%g', ceil(1.456))
$put =printf('%g', ceil(-5.456))
$put =printf('%g', ceil(-4.000))
$put ='floor'
$put =printf('%g', floor(1.856))
$put =printf('%g', floor(-5.456))
$put =printf('%g', floor(4.0))
$put ='log10'
$put =printf('%g', log10(1000))
$put =printf('%g', log10(0.01000))
$put ='pow'
$put =printf('%g', pow(3, 3.0))
$put =printf('%g', pow(2, 16))
$put ='round'
$put =printf('%g', round(0.456))
$put =printf('%g', round(4.5))
$put =printf('%g', round(-4.50))
$put ='sqrt'
$put =printf('%g', sqrt(100))
echo sqrt(-4.01)
$put ='str2float'
$put =printf('%g', str2float('1e40'))
$put ='trunc'
$put =printf('%g', trunc(1.456))
$put =printf('%g', trunc(-5.456))
$put =printf('%g', trunc(4.000))
$put ='float2nr'
$put =float2nr(123.456)
$put =float2nr(-123.456)
$put ='AND'
$put =and(127, 127)
$put =and(127, 16)
$put =and(127, 128)
$put ='OR'
$put =or(16, 7)
$put =or(8, 7)
$put =or(0, 123)
$put ='XOR'
$put =xor(127, 127)
$put =xor(127, 16)
$put =xor(127, 128)
$put ='invert'
$put =and(invert(127), 65535)
$put =and(invert(16), 65535)
$put =and(invert(128), 65535)
]])
-- This line can not be included in a source() call. It throws a "E805:
-- Using a Float as a Number". Also compare comment above.
execute('$put =invert(1.0)')
-- Assert buffer contents.
expect([=[
Results of test65:
123.456000
1.234560e+02
123.456
+=
7.777
6.234
8.333
==
1
0
add-subtract
5.234
-6.766
mult-div
4.936
0.003241
dict
{'x': 1.234, 'y': -2.0e20}
list
[-123.4, 2.0e-20]
abs
1456
4
-1
14.56
54.32
ceil
2.0
-5.0
-4.0
floor
1.0
-6.0
4.0
log10
3.0
-2.0
pow
27.0
65536.0
round
0.0
5.0
-5.0
sqrt
10.0
str2float
1.0e40
trunc
1.0
-5.0
4.0
float2nr
123
-123
AND
127
16
0
OR
23
15
123
XOR
0
111
255
invert
65408
65519
65407
0]=])
end)
end)
|
