xref: /vim-8.2.3635/src/testdir/test_expr.vim (revision 0b1cd52f)
1f0e86a0dSBram Moolenaar" Tests for expressions.
2f0e86a0dSBram Moolenaar
39d8d0b5cSBram Moolenaarsource check.vim
49d8d0b5cSBram Moolenaar
5f0e86a0dSBram Moolenaarfunc Test_equal()
6f0e86a0dSBram Moolenaar  let base = {}
7f0e86a0dSBram Moolenaar  func base.method()
8f0e86a0dSBram Moolenaar    return 1
9f0e86a0dSBram Moolenaar  endfunc
10f0e86a0dSBram Moolenaar  func base.other() dict
11f0e86a0dSBram Moolenaar    return 1
12f0e86a0dSBram Moolenaar  endfunc
13f0e86a0dSBram Moolenaar  let instance = copy(base)
14f0e86a0dSBram Moolenaar  call assert_true(base.method == instance.method)
15f0e86a0dSBram Moolenaar  call assert_true([base.method] == [instance.method])
16f0e86a0dSBram Moolenaar  call assert_true(base.other == instance.other)
17f0e86a0dSBram Moolenaar  call assert_true([base.other] == [instance.other])
18f0e86a0dSBram Moolenaar
19f0e86a0dSBram Moolenaar  call assert_false(base.method == base.other)
20f0e86a0dSBram Moolenaar  call assert_false([base.method] == [base.other])
21f0e86a0dSBram Moolenaar  call assert_false(base.method == instance.other)
22f0e86a0dSBram Moolenaar  call assert_false([base.method] == [instance.other])
23f0e86a0dSBram Moolenaar
24f0e86a0dSBram Moolenaar  call assert_fails('echo base.method > instance.method')
259d8d0b5cSBram Moolenaar  call assert_equal(0, test_null_function() == function('min'))
269d8d0b5cSBram Moolenaar  call assert_equal(1, test_null_function() == test_null_function())
2792b83ccfSBram Moolenaar  call assert_fails('eval 10 == test_unknown()', 'E685:')
28f0e86a0dSBram Moolenaarendfunc
29819821c5SBram Moolenaar
30819821c5SBram Moolenaarfunc Test_version()
31819821c5SBram Moolenaar  call assert_true(has('patch-7.4.001'))
32819821c5SBram Moolenaar  call assert_true(has('patch-7.4.01'))
33819821c5SBram Moolenaar  call assert_true(has('patch-7.4.1'))
34819821c5SBram Moolenaar  call assert_true(has('patch-6.9.999'))
35819821c5SBram Moolenaar  call assert_true(has('patch-7.1.999'))
36819821c5SBram Moolenaar  call assert_true(has('patch-7.4.123'))
37819821c5SBram Moolenaar
38819821c5SBram Moolenaar  call assert_false(has('patch-7'))
39819821c5SBram Moolenaar  call assert_false(has('patch-7.4'))
40819821c5SBram Moolenaar  call assert_false(has('patch-7.4.'))
41819821c5SBram Moolenaar  call assert_false(has('patch-9.1.0'))
42819821c5SBram Moolenaar  call assert_false(has('patch-9.9.1'))
43819821c5SBram Moolenaarendfunc
440921ecffSBram Moolenaar
450921ecffSBram Moolenaarfunc Test_dict()
460921ecffSBram Moolenaar  let d = {'': 'empty', 'a': 'a', 0: 'zero'}
470921ecffSBram Moolenaar  call assert_equal('empty', d[''])
480921ecffSBram Moolenaar  call assert_equal('a', d['a'])
490921ecffSBram Moolenaar  call assert_equal('zero', d[0])
500921ecffSBram Moolenaar  call assert_true(has_key(d, ''))
510921ecffSBram Moolenaar  call assert_true(has_key(d, 'a'))
5208f4157cSBram Moolenaar  call assert_fails("let i = has_key([], 'a')", 'E715:')
530921ecffSBram Moolenaar
540921ecffSBram Moolenaar  let d[''] = 'none'
550921ecffSBram Moolenaar  let d['a'] = 'aaa'
560921ecffSBram Moolenaar  call assert_equal('none', d[''])
570921ecffSBram Moolenaar  call assert_equal('aaa', d['a'])
580921ecffSBram Moolenaarendfunc
5958de0e2dSBram Moolenaar
6058de0e2dSBram Moolenaarfunc Test_strgetchar()
6158de0e2dSBram Moolenaar  call assert_equal(char2nr('a'), strgetchar('axb', 0))
62f6ed61e1SBram Moolenaar  call assert_equal(char2nr('x'), 'axb'->strgetchar(1))
6358de0e2dSBram Moolenaar  call assert_equal(char2nr('b'), strgetchar('axb', 2))
6458de0e2dSBram Moolenaar
6558de0e2dSBram Moolenaar  call assert_equal(-1, strgetchar('axb', -1))
6658de0e2dSBram Moolenaar  call assert_equal(-1, strgetchar('axb', 3))
6758de0e2dSBram Moolenaar  call assert_equal(-1, strgetchar('', 0))
680e05de46SBram Moolenaar  call assert_fails("let c=strgetchar([], 1)", 'E730:')
690e05de46SBram Moolenaar  call assert_fails("let c=strgetchar('axb', [])", 'E745:')
7058de0e2dSBram Moolenaarendfunc
7158de0e2dSBram Moolenaar
7258de0e2dSBram Moolenaarfunc Test_strcharpart()
7358de0e2dSBram Moolenaar  call assert_equal('a', strcharpart('axb', 0, 1))
74f6ed61e1SBram Moolenaar  call assert_equal('x', 'axb'->strcharpart(1, 1))
7558de0e2dSBram Moolenaar  call assert_equal('b', strcharpart('axb', 2, 1))
7658de0e2dSBram Moolenaar  call assert_equal('xb', strcharpart('axb', 1))
7758de0e2dSBram Moolenaar
7858de0e2dSBram Moolenaar  call assert_equal('', strcharpart('axb', 1, 0))
7958de0e2dSBram Moolenaar  call assert_equal('', strcharpart('axb', 1, -1))
8058de0e2dSBram Moolenaar  call assert_equal('', strcharpart('axb', -1, 1))
8158de0e2dSBram Moolenaar  call assert_equal('', strcharpart('axb', -2, 2))
8258de0e2dSBram Moolenaar
8358de0e2dSBram Moolenaar  call assert_equal('a', strcharpart('axb', -1, 2))
848b633135SBram Moolenaar
858b633135SBram Moolenaar  call assert_equal('edit', "editor"[-10:3])
8658de0e2dSBram Moolenaarendfunc
87517ffbeeSBram Moolenaar
88517ffbeeSBram Moolenaarfunc Test_getreg_empty_list()
89517ffbeeSBram Moolenaar  call assert_equal('', getreg('x'))
90517ffbeeSBram Moolenaar  call assert_equal([], getreg('x', 1, 1))
91517ffbeeSBram Moolenaar  let x = getreg('x', 1, 1)
92517ffbeeSBram Moolenaar  let y = x
93517ffbeeSBram Moolenaar  call add(x, 'foo')
94517ffbeeSBram Moolenaar  call assert_equal(['foo'], y)
95517ffbeeSBram Moolenaarendfunc
96d8585edeSBram Moolenaar
97d8585edeSBram Moolenaarfunc Test_loop_over_null_list()
98574860b5SBram Moolenaar  let null_list = test_null_list()
99d8585edeSBram Moolenaar  for i in null_list
10037175409SBram Moolenaar    call assert_report('should not get here')
101d8585edeSBram Moolenaar  endfor
102d8585edeSBram Moolenaarendfunc
10313ddc5c3SBram Moolenaar
10492b83ccfSBram Moolenaarfunc Test_setreg_null_list()
10513ddc5c3SBram Moolenaar  call setreg('x', test_null_list())
10613ddc5c3SBram Moolenaarendfunc
1071d90a5a5SBram Moolenaar
1081d90a5a5SBram Moolenaarfunc Test_special_char()
1091d90a5a5SBram Moolenaar  " The failure is only visible using valgrind.
1101d90a5a5SBram Moolenaar  call assert_fails('echo "\<C-">')
1111d90a5a5SBram Moolenaarendfunc
1122acfbed9SBram Moolenaar
113*0b1cd52fSBram Moolenaarfunc Test_method_with_prefix()
114*0b1cd52fSBram Moolenaar  call assert_equal(1, !range(5)->empty())
115*0b1cd52fSBram Moolenaar  call assert_equal([0, 1, 2], --3->range())
116*0b1cd52fSBram Moolenaar  call assert_equal(0, !-3)
117*0b1cd52fSBram Moolenaar  call assert_equal(1, !+-+0)
118*0b1cd52fSBram Moolenaarendfunc
119*0b1cd52fSBram Moolenaar
1202acfbed9SBram Moolenaarfunc Test_option_value()
1212acfbed9SBram Moolenaar  " boolean
1222acfbed9SBram Moolenaar  set bri
1232acfbed9SBram Moolenaar  call assert_equal(1, &bri)
1242acfbed9SBram Moolenaar  set nobri
1252acfbed9SBram Moolenaar  call assert_equal(0, &bri)
1262acfbed9SBram Moolenaar
1272acfbed9SBram Moolenaar  " number
1282acfbed9SBram Moolenaar  set ts=1
1292acfbed9SBram Moolenaar  call assert_equal(1, &ts)
1302acfbed9SBram Moolenaar  set ts=8
1312acfbed9SBram Moolenaar  call assert_equal(8, &ts)
1322acfbed9SBram Moolenaar
1332acfbed9SBram Moolenaar  " string
1342acfbed9SBram Moolenaar  exe "set cedit=\<Esc>"
1352acfbed9SBram Moolenaar  call assert_equal("\<Esc>", &cedit)
1362acfbed9SBram Moolenaar  set cpo=
1372acfbed9SBram Moolenaar  call assert_equal("", &cpo)
1382acfbed9SBram Moolenaar  set cpo=abcdefgi
1392acfbed9SBram Moolenaar  call assert_equal("abcdefgi", &cpo)
1402acfbed9SBram Moolenaar  set cpo&vim
1412acfbed9SBram Moolenaarendfunc
14238ee6b04SBram Moolenaar
14376efafbaSBram Moolenaarfunction Test_printf_misc()
144c71807dbSBram Moolenaar  call assert_equal('123', printf('123'))
145c71807dbSBram Moolenaar  call assert_fails("call printf('123', 3)", "E767:")
146c71807dbSBram Moolenaar
14776efafbaSBram Moolenaar  call assert_equal('123', printf('%d', 123))
14876efafbaSBram Moolenaar  call assert_equal('123', printf('%i', 123))
14976efafbaSBram Moolenaar  call assert_equal('123', printf('%D', 123))
15076efafbaSBram Moolenaar  call assert_equal('123', printf('%U', 123))
15176efafbaSBram Moolenaar  call assert_equal('173', printf('%o', 123))
15276efafbaSBram Moolenaar  call assert_equal('173', printf('%O', 123))
15376efafbaSBram Moolenaar  call assert_equal('7b', printf('%x', 123))
15476efafbaSBram Moolenaar  call assert_equal('7B', printf('%X', 123))
15521e551ccSBram Moolenaar
15621e551ccSBram Moolenaar  call assert_equal('123', printf('%hd', 123))
15721e551ccSBram Moolenaar  call assert_equal('-123', printf('%hd', -123))
15821e551ccSBram Moolenaar  call assert_equal('-1', printf('%hd', 0xFFFF))
15921e551ccSBram Moolenaar  call assert_equal('-1', printf('%hd', 0x1FFFFF))
16021e551ccSBram Moolenaar
16121e551ccSBram Moolenaar  call assert_equal('123', printf('%hu', 123))
16221e551ccSBram Moolenaar  call assert_equal('65413', printf('%hu', -123))
16321e551ccSBram Moolenaar  call assert_equal('65535', printf('%hu', 0xFFFF))
16421e551ccSBram Moolenaar  call assert_equal('65535', printf('%hu', 0x1FFFFF))
16521e551ccSBram Moolenaar
16621e551ccSBram Moolenaar  call assert_equal('123', printf('%ld', 123))
16721e551ccSBram Moolenaar  call assert_equal('-123', printf('%ld', -123))
16821e551ccSBram Moolenaar  call assert_equal('65535', printf('%ld', 0xFFFF))
16921e551ccSBram Moolenaar  call assert_equal('131071', printf('%ld', 0x1FFFF))
17021e551ccSBram Moolenaar
17176efafbaSBram Moolenaar  if has('ebcdic')
17276efafbaSBram Moolenaar    call assert_equal('#', printf('%c', 123))
17376efafbaSBram Moolenaar  else
17476efafbaSBram Moolenaar    call assert_equal('{', printf('%c', 123))
17576efafbaSBram Moolenaar  endif
17676efafbaSBram Moolenaar  call assert_equal('abc', printf('%s', 'abc'))
17776efafbaSBram Moolenaar  call assert_equal('abc', printf('%S', 'abc'))
17876efafbaSBram Moolenaar
17976efafbaSBram Moolenaar  call assert_equal('+123', printf('%+d', 123))
18076efafbaSBram Moolenaar  call assert_equal('-123', printf('%+d', -123))
18176efafbaSBram Moolenaar  call assert_equal('+123', printf('%+ d', 123))
18276efafbaSBram Moolenaar  call assert_equal(' 123', printf('% d', 123))
18376efafbaSBram Moolenaar  call assert_equal(' 123', printf('%  d', 123))
18476efafbaSBram Moolenaar  call assert_equal('-123', printf('% d', -123))
18576efafbaSBram Moolenaar
186e999782eSBram Moolenaar  call assert_equal('123', printf('%2d', 123))
187e999782eSBram Moolenaar  call assert_equal('   123', printf('%6d', 123))
188e999782eSBram Moolenaar  call assert_equal('000123', printf('%06d', 123))
189e999782eSBram Moolenaar  call assert_equal('+00123', printf('%+06d', 123))
190e999782eSBram Moolenaar  call assert_equal(' 00123', printf('% 06d', 123))
191e999782eSBram Moolenaar  call assert_equal('  +123', printf('%+6d', 123))
192e999782eSBram Moolenaar  call assert_equal('   123', printf('% 6d', 123))
193e999782eSBram Moolenaar  call assert_equal('  -123', printf('% 6d', -123))
19404186095SBram Moolenaar
19504186095SBram Moolenaar  " Test left adjusted.
19604186095SBram Moolenaar  call assert_equal('123   ', printf('%-6d', 123))
197e999782eSBram Moolenaar  call assert_equal('+123  ', printf('%-+6d', 123))
198e999782eSBram Moolenaar  call assert_equal(' 123  ', printf('%- 6d', 123))
199e999782eSBram Moolenaar  call assert_equal('-123  ', printf('%- 6d', -123))
200e999782eSBram Moolenaar
20104186095SBram Moolenaar  call assert_equal('  00123', printf('%7.5d', 123))
20204186095SBram Moolenaar  call assert_equal(' -00123', printf('%7.5d', -123))
20304186095SBram Moolenaar  call assert_equal(' +00123', printf('%+7.5d', 123))
20404186095SBram Moolenaar  " Precision field should not be used when combined with %0
20504186095SBram Moolenaar  call assert_equal('  00123', printf('%07.5d', 123))
20604186095SBram Moolenaar  call assert_equal(' -00123', printf('%07.5d', -123))
20704186095SBram Moolenaar
20804186095SBram Moolenaar  call assert_equal('  123', printf('%*d', 5, 123))
20904186095SBram Moolenaar  call assert_equal('123  ', printf('%*d', -5, 123))
21076efafbaSBram Moolenaar  call assert_equal('00123', printf('%.*d', 5, 123))
21176efafbaSBram Moolenaar  call assert_equal('  123', printf('% *d', 5, 123))
21276efafbaSBram Moolenaar  call assert_equal(' +123', printf('%+ *d', 5, 123))
21376efafbaSBram Moolenaar
21421e551ccSBram Moolenaar  call assert_equal('foobar', printf('%.*s',  9, 'foobar'))
21521e551ccSBram Moolenaar  call assert_equal('foo',    printf('%.*s',  3, 'foobar'))
21621e551ccSBram Moolenaar  call assert_equal('',       printf('%.*s',  0, 'foobar'))
21721e551ccSBram Moolenaar  call assert_equal('foobar', printf('%.*s', -1, 'foobar'))
21821e551ccSBram Moolenaar
21904186095SBram Moolenaar  " Simple quote (thousand grouping char) is ignored.
22004186095SBram Moolenaar  call assert_equal('+00123456', printf("%+'09d", 123456))
22104186095SBram Moolenaar
22204186095SBram Moolenaar  " Unrecognized format specifier kept as-is.
22304186095SBram Moolenaar  call assert_equal('_123', printf("%_%d", 123))
22404186095SBram Moolenaar
22504186095SBram Moolenaar  " Test alternate forms.
22676efafbaSBram Moolenaar  call assert_equal('0x7b', printf('%#x', 123))
22776efafbaSBram Moolenaar  call assert_equal('0X7B', printf('%#X', 123))
22876efafbaSBram Moolenaar  call assert_equal('0173', printf('%#o', 123))
22976efafbaSBram Moolenaar  call assert_equal('0173', printf('%#O', 123))
23076efafbaSBram Moolenaar  call assert_equal('abc', printf('%#s', 'abc'))
23176efafbaSBram Moolenaar  call assert_equal('abc', printf('%#S', 'abc'))
23204186095SBram Moolenaar  call assert_equal('  0173', printf('%#6o', 123))
23304186095SBram Moolenaar  call assert_equal(' 00173', printf('%#6.5o', 123))
23404186095SBram Moolenaar  call assert_equal('  0173', printf('%#6.2o', 123))
23504186095SBram Moolenaar  call assert_equal('  0173', printf('%#6.2o', 123))
23604186095SBram Moolenaar  call assert_equal('0173', printf('%#2.2o', 123))
23776efafbaSBram Moolenaar
23876efafbaSBram Moolenaar  call assert_equal(' 00123', printf('%6.5d', 123))
23976efafbaSBram Moolenaar  call assert_equal(' 0007b', printf('%6.5x', 123))
24076efafbaSBram Moolenaar
24121e551ccSBram Moolenaar  call assert_equal('123', printf('%.2d', 123))
24221e551ccSBram Moolenaar  call assert_equal('0123', printf('%.4d', 123))
24321e551ccSBram Moolenaar  call assert_equal('0000000123', printf('%.10d', 123))
24421e551ccSBram Moolenaar  call assert_equal('123', printf('%.0d', 123))
24521e551ccSBram Moolenaar
24676efafbaSBram Moolenaar  call assert_equal('abc', printf('%2s', 'abc'))
24776efafbaSBram Moolenaar  call assert_equal('abc', printf('%2S', 'abc'))
24876efafbaSBram Moolenaar  call assert_equal('abc', printf('%.4s', 'abc'))
24976efafbaSBram Moolenaar  call assert_equal('abc', printf('%.4S', 'abc'))
25076efafbaSBram Moolenaar  call assert_equal('ab', printf('%.2s', 'abc'))
25176efafbaSBram Moolenaar  call assert_equal('ab', printf('%.2S', 'abc'))
25276efafbaSBram Moolenaar  call assert_equal('', printf('%.0s', 'abc'))
25376efafbaSBram Moolenaar  call assert_equal('', printf('%.s', 'abc'))
25476efafbaSBram Moolenaar  call assert_equal(' abc', printf('%4s', 'abc'))
25576efafbaSBram Moolenaar  call assert_equal(' abc', printf('%4S', 'abc'))
25676efafbaSBram Moolenaar  call assert_equal('0abc', printf('%04s', 'abc'))
25776efafbaSBram Moolenaar  call assert_equal('0abc', printf('%04S', 'abc'))
25876efafbaSBram Moolenaar  call assert_equal('abc ', printf('%-4s', 'abc'))
25976efafbaSBram Moolenaar  call assert_equal('abc ', printf('%-4S', 'abc'))
26076efafbaSBram Moolenaar
261ce0fac28SBram Moolenaar  call assert_equal('��', printf('%.2S', '����'))
262ce0fac28SBram Moolenaar  call assert_equal('', printf('%.1S', '����'))
263ce0fac28SBram Moolenaar
26476efafbaSBram Moolenaar  call assert_equal('1%', printf('%d%%', 1))
26576efafbaSBram Moolenaarendfunc
26676efafbaSBram Moolenaar
26776efafbaSBram Moolenaarfunction Test_printf_float()
26876efafbaSBram Moolenaar  if has('float')
26904186095SBram Moolenaar    call assert_equal('1.000000', printf('%f', 1))
27076efafbaSBram Moolenaar    call assert_equal('1.230000', printf('%f', 1.23))
27176efafbaSBram Moolenaar    call assert_equal('1.230000', printf('%F', 1.23))
272e999782eSBram Moolenaar    call assert_equal('9999999.9', printf('%g', 9999999.9))
273e999782eSBram Moolenaar    call assert_equal('9999999.9', printf('%G', 9999999.9))
274e999782eSBram Moolenaar    call assert_equal('1.00000001e7', printf('%.8g', 10000000.1))
275e999782eSBram Moolenaar    call assert_equal('1.00000001E7', printf('%.8G', 10000000.1))
27676efafbaSBram Moolenaar    call assert_equal('1.230000e+00', printf('%e', 1.23))
27776efafbaSBram Moolenaar    call assert_equal('1.230000E+00', printf('%E', 1.23))
27876efafbaSBram Moolenaar    call assert_equal('1.200000e-02', printf('%e', 0.012))
27976efafbaSBram Moolenaar    call assert_equal('-1.200000e-02', printf('%e', -0.012))
280e999782eSBram Moolenaar    call assert_equal('0.33', printf('%.2f', 1.0/3.0))
281e999782eSBram Moolenaar    call assert_equal('  0.33', printf('%6.2f', 1.0/3.0))
282e999782eSBram Moolenaar    call assert_equal(' -0.33', printf('%6.2f', -1.0/3.0))
283e999782eSBram Moolenaar    call assert_equal('000.33', printf('%06.2f', 1.0/3.0))
28404186095SBram Moolenaar    call assert_equal('-00.33', printf('%06.2f', -1.0/3.0))
28504186095SBram Moolenaar    call assert_equal('-00.33', printf('%+06.2f', -1.0/3.0))
28604186095SBram Moolenaar    call assert_equal('+00.33', printf('%+06.2f', 1.0/3.0))
28704186095SBram Moolenaar    call assert_equal(' 00.33', printf('% 06.2f', 1.0/3.0))
28804186095SBram Moolenaar    call assert_equal('000.33', printf('%06.2g', 1.0/3.0))
28904186095SBram Moolenaar    call assert_equal('-00.33', printf('%06.2g', -1.0/3.0))
29004186095SBram Moolenaar    call assert_equal('0.33', printf('%3.2f', 1.0/3.0))
29104186095SBram Moolenaar    call assert_equal('003.33e-01', printf('%010.2e', 1.0/3.0))
29204186095SBram Moolenaar    call assert_equal(' 03.33e-01', printf('% 010.2e', 1.0/3.0))
29304186095SBram Moolenaar    call assert_equal('+03.33e-01', printf('%+010.2e', 1.0/3.0))
29404186095SBram Moolenaar    call assert_equal('-03.33e-01', printf('%010.2e', -1.0/3.0))
29504186095SBram Moolenaar
29604186095SBram Moolenaar    " When precision is 0, the dot should be omitted.
29704186095SBram Moolenaar    call assert_equal('  2', printf('%3.f', 7.0/3.0))
29804186095SBram Moolenaar    call assert_equal('  2', printf('%3.g', 7.0/3.0))
29904186095SBram Moolenaar    call assert_equal('  2e+00', printf('%7.e', 7.0/3.0))
30004186095SBram Moolenaar
30104186095SBram Moolenaar    " Float zero can be signed.
30204186095SBram Moolenaar    call assert_equal('+0.000000', printf('%+f', 0.0))
30304186095SBram Moolenaar    call assert_equal('0.000000', printf('%f', 1.0/(1.0/0.0)))
30404186095SBram Moolenaar    call assert_equal('-0.000000', printf('%f', 1.0/(-1.0/0.0)))
30504186095SBram Moolenaar    call assert_equal('0.0', printf('%s', 1.0/(1.0/0.0)))
30604186095SBram Moolenaar    call assert_equal('-0.0', printf('%s', 1.0/(-1.0/0.0)))
30704186095SBram Moolenaar    call assert_equal('0.0', printf('%S', 1.0/(1.0/0.0)))
30804186095SBram Moolenaar    call assert_equal('-0.0', printf('%S', 1.0/(-1.0/0.0)))
30976efafbaSBram Moolenaar
310e999782eSBram Moolenaar    " Float infinity can be signed.
31176efafbaSBram Moolenaar    call assert_equal('inf', printf('%f', 1.0/0.0))
312e999782eSBram Moolenaar    call assert_equal('-inf', printf('%f', -1.0/0.0))
313e999782eSBram Moolenaar    call assert_equal('inf', printf('%g', 1.0/0.0))
314e999782eSBram Moolenaar    call assert_equal('-inf', printf('%g', -1.0/0.0))
315e999782eSBram Moolenaar    call assert_equal('inf', printf('%e', 1.0/0.0))
316e999782eSBram Moolenaar    call assert_equal('-inf', printf('%e', -1.0/0.0))
31704186095SBram Moolenaar    call assert_equal('INF', printf('%F', 1.0/0.0))
31804186095SBram Moolenaar    call assert_equal('-INF', printf('%F', -1.0/0.0))
319e999782eSBram Moolenaar    call assert_equal('INF', printf('%E', 1.0/0.0))
320e999782eSBram Moolenaar    call assert_equal('-INF', printf('%E', -1.0/0.0))
321e999782eSBram Moolenaar    call assert_equal('INF', printf('%E', 1.0/0.0))
322e999782eSBram Moolenaar    call assert_equal('-INF', printf('%G', -1.0/0.0))
323e999782eSBram Moolenaar    call assert_equal('+inf', printf('%+f', 1.0/0.0))
324e999782eSBram Moolenaar    call assert_equal('-inf', printf('%+f', -1.0/0.0))
325e999782eSBram Moolenaar    call assert_equal(' inf', printf('% f',  1.0/0.0))
326e999782eSBram Moolenaar    call assert_equal('   inf', printf('%6f', 1.0/0.0))
327e999782eSBram Moolenaar    call assert_equal('  -inf', printf('%6f', -1.0/0.0))
328e999782eSBram Moolenaar    call assert_equal('   inf', printf('%6g', 1.0/0.0))
329e999782eSBram Moolenaar    call assert_equal('  -inf', printf('%6g', -1.0/0.0))
330e999782eSBram Moolenaar    call assert_equal('  +inf', printf('%+6f', 1.0/0.0))
331e999782eSBram Moolenaar    call assert_equal('   inf', printf('% 6f', 1.0/0.0))
332e999782eSBram Moolenaar    call assert_equal('  +inf', printf('%+06f', 1.0/0.0))
333e999782eSBram Moolenaar    call assert_equal('inf   ', printf('%-6f', 1.0/0.0))
334e999782eSBram Moolenaar    call assert_equal('-inf  ', printf('%-6f', -1.0/0.0))
335e999782eSBram Moolenaar    call assert_equal('+inf  ', printf('%-+6f', 1.0/0.0))
336e999782eSBram Moolenaar    call assert_equal(' inf  ', printf('%- 6f', 1.0/0.0))
33704186095SBram Moolenaar    call assert_equal('-INF  ', printf('%-6F', -1.0/0.0))
33804186095SBram Moolenaar    call assert_equal('+INF  ', printf('%-+6F', 1.0/0.0))
33904186095SBram Moolenaar    call assert_equal(' INF  ', printf('%- 6F', 1.0/0.0))
340e999782eSBram Moolenaar    call assert_equal('INF   ', printf('%-6G', 1.0/0.0))
341e999782eSBram Moolenaar    call assert_equal('-INF  ', printf('%-6G', -1.0/0.0))
342e999782eSBram Moolenaar    call assert_equal('INF   ', printf('%-6E', 1.0/0.0))
343e999782eSBram Moolenaar    call assert_equal('-INF  ', printf('%-6E', -1.0/0.0))
344e999782eSBram Moolenaar    call assert_equal('inf', printf('%s', 1.0/0.0))
345e999782eSBram Moolenaar    call assert_equal('-inf', printf('%s', -1.0/0.0))
34676efafbaSBram Moolenaar
34721e551ccSBram Moolenaar    " Test special case where max precision is truncated at 340.
34821e551ccSBram Moolenaar    call assert_equal('1.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.330f', 1.0))
34921e551ccSBram Moolenaar    call assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.340f', 1.0))
35021e551ccSBram Moolenaar    call assert_equal('1.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', printf('%.350f', 1.0))
35121e551ccSBram Moolenaar
352e999782eSBram Moolenaar    " Float nan (not a number) has no sign.
353e999782eSBram Moolenaar    call assert_equal('nan', printf('%f', sqrt(-1.0)))
354e999782eSBram Moolenaar    call assert_equal('nan', printf('%f', 0.0/0.0))
355e999782eSBram Moolenaar    call assert_equal('nan', printf('%f', -0.0/0.0))
356e999782eSBram Moolenaar    call assert_equal('nan', printf('%g', 0.0/0.0))
357e999782eSBram Moolenaar    call assert_equal('nan', printf('%e', 0.0/0.0))
35804186095SBram Moolenaar    call assert_equal('NAN', printf('%F', 0.0/0.0))
359e999782eSBram Moolenaar    call assert_equal('NAN', printf('%G', 0.0/0.0))
360e999782eSBram Moolenaar    call assert_equal('NAN', printf('%E', 0.0/0.0))
36104186095SBram Moolenaar    call assert_equal('NAN', printf('%F', -0.0/0.0))
362e999782eSBram Moolenaar    call assert_equal('NAN', printf('%G', -0.0/0.0))
363e999782eSBram Moolenaar    call assert_equal('NAN', printf('%E', -0.0/0.0))
364e999782eSBram Moolenaar    call assert_equal('   nan', printf('%6f', 0.0/0.0))
365e999782eSBram Moolenaar    call assert_equal('   nan', printf('%06f', 0.0/0.0))
366e999782eSBram Moolenaar    call assert_equal('nan   ', printf('%-6f', 0.0/0.0))
367e999782eSBram Moolenaar    call assert_equal('nan   ', printf('%- 6f', 0.0/0.0))
368e999782eSBram Moolenaar    call assert_equal('nan', printf('%s', 0.0/0.0))
369e999782eSBram Moolenaar    call assert_equal('nan', printf('%s', -0.0/0.0))
370e999782eSBram Moolenaar    call assert_equal('nan', printf('%S', 0.0/0.0))
371e999782eSBram Moolenaar    call assert_equal('nan', printf('%S', -0.0/0.0))
37276efafbaSBram Moolenaar
37376efafbaSBram Moolenaar    call assert_fails('echo printf("%f", "a")', 'E807:')
37476efafbaSBram Moolenaar  endif
37576efafbaSBram Moolenaarendfunc
37676efafbaSBram Moolenaar
37776efafbaSBram Moolenaarfunction Test_printf_errors()
37876efafbaSBram Moolenaar  call assert_fails('echo printf("%d", {})', 'E728:')
37976efafbaSBram Moolenaar  call assert_fails('echo printf("%d", [])', 'E745:')
38076efafbaSBram Moolenaar  call assert_fails('echo printf("%d", 1, 2)', 'E767:')
38176efafbaSBram Moolenaar  call assert_fails('echo printf("%*d", 1)', 'E766:')
382067297e1SBram Moolenaar  call assert_fails('echo printf("%s")', 'E766:')
3835feabe00SBram Moolenaar  if has('float')
38476efafbaSBram Moolenaar    call assert_fails('echo printf("%d", 1.2)', 'E805:')
385067297e1SBram Moolenaar    call assert_fails('echo printf("%f")')
3865feabe00SBram Moolenaar  endif
38776efafbaSBram Moolenaarendfunc
38876efafbaSBram Moolenaar
38926b84339SBram Moolenaarfunction Test_max_min_errors()
39026b84339SBram Moolenaar  call assert_fails('call max(v:true)', 'E712:')
39126b84339SBram Moolenaar  call assert_fails('call max(v:true)', 'max()')
39226b84339SBram Moolenaar  call assert_fails('call min(v:true)', 'E712:')
39326b84339SBram Moolenaar  call assert_fails('call min(v:true)', 'min()')
39426b84339SBram Moolenaarendfunc
39526b84339SBram Moolenaar
39638ee6b04SBram Moolenaarfunction Test_printf_64bit()
39738ee6b04SBram Moolenaar  call assert_equal("123456789012345", printf('%d', 123456789012345))
39838ee6b04SBram Moolenaarendfunc
39972ab729cSBram Moolenaar
400e5a8f35bSBram Moolenaarfunction Test_printf_spec_s()
401e5a8f35bSBram Moolenaar  " number
402e5a8f35bSBram Moolenaar  call assert_equal("1234567890", printf('%s', 1234567890))
403e5a8f35bSBram Moolenaar
404e5a8f35bSBram Moolenaar  " string
405e5a8f35bSBram Moolenaar  call assert_equal("abcdefgi", printf('%s', "abcdefgi"))
406e5a8f35bSBram Moolenaar
407e5a8f35bSBram Moolenaar  " float
408e5a8f35bSBram Moolenaar  if has('float')
409e5a8f35bSBram Moolenaar    call assert_equal("1.23", printf('%s', 1.23))
410e5a8f35bSBram Moolenaar  endif
411e5a8f35bSBram Moolenaar
412e5a8f35bSBram Moolenaar  " list
413e5a8f35bSBram Moolenaar  let value = [1, 'two', ['three', 4]]
414e5a8f35bSBram Moolenaar  call assert_equal(string(value), printf('%s', value))
415e5a8f35bSBram Moolenaar
416e5a8f35bSBram Moolenaar  " dict
417e5a8f35bSBram Moolenaar  let value = {'key1' : 'value1', 'key2' : ['list', 'value'], 'key3' : {'dict' : 'value'}}
418e5a8f35bSBram Moolenaar  call assert_equal(string(value), printf('%s', value))
419e5a8f35bSBram Moolenaar
420e5a8f35bSBram Moolenaar  " funcref
421a4208966SBram Moolenaar  call assert_equal('printf', printf('%s', 'printf'->function()))
422e5a8f35bSBram Moolenaar
423e5a8f35bSBram Moolenaar  " partial
424e5a8f35bSBram Moolenaar  call assert_equal(string(function('printf', ['%s'])), printf('%s', function('printf', ['%s'])))
425e5a8f35bSBram Moolenaarendfunc
426e5a8f35bSBram Moolenaar
42791984b90SBram Moolenaarfunction Test_printf_spec_b()
42891984b90SBram Moolenaar  call assert_equal("0", printf('%b', 0))
42991984b90SBram Moolenaar  call assert_equal("00001100", printf('%08b', 12))
43091984b90SBram Moolenaar  call assert_equal("11111111", printf('%08b', 0xff))
43191984b90SBram Moolenaar  call assert_equal("   1111011", printf('%10b', 123))
43291984b90SBram Moolenaar  call assert_equal("0001111011", printf('%010b', 123))
43391984b90SBram Moolenaar  call assert_equal(" 0b1111011", printf('%#10b', 123))
43491984b90SBram Moolenaar  call assert_equal("0B01111011", printf('%#010B', 123))
43591984b90SBram Moolenaar  call assert_equal("1001001100101100000001011010010", printf('%b', 1234567890))
43691984b90SBram Moolenaar  call assert_equal("11100000100100010000110000011011101111101111001", printf('%b', 123456789012345))
43791984b90SBram Moolenaar  call assert_equal("1111111111111111111111111111111111111111111111111111111111111111", printf('%b', -1))
43891984b90SBram Moolenaarendfunc
43991984b90SBram Moolenaar
440b54c3ff3SBram Moolenaarfunc Test_function_with_funcref()
441b54c3ff3SBram Moolenaar  let s:f = function('type')
442b54c3ff3SBram Moolenaar  let s:fref = function(s:f)
443b54c3ff3SBram Moolenaar  call assert_equal(v:t_string, s:fref('x'))
444b54c3ff3SBram Moolenaar  call assert_fails("call function('s:f')", 'E700:')
4455582ef14SBram Moolenaar
4465582ef14SBram Moolenaar  call assert_fails("call function('foo()')", 'E475:')
4475582ef14SBram Moolenaar  call assert_fails("call function('foo()')", 'foo()')
4488b633135SBram Moolenaar  call assert_fails("function('')", 'E129:')
449b54c3ff3SBram Moolenaarendfunc
450437bafe4SBram Moolenaar
451437bafe4SBram Moolenaarfunc Test_funcref()
452437bafe4SBram Moolenaar  func! One()
453437bafe4SBram Moolenaar    return 1
454437bafe4SBram Moolenaar  endfunc
455437bafe4SBram Moolenaar  let OneByName = function('One')
456437bafe4SBram Moolenaar  let OneByRef = funcref('One')
457437bafe4SBram Moolenaar  func! One()
458437bafe4SBram Moolenaar    return 2
459437bafe4SBram Moolenaar  endfunc
460437bafe4SBram Moolenaar  call assert_equal(2, OneByName())
461437bafe4SBram Moolenaar  call assert_equal(1, OneByRef())
462a4208966SBram Moolenaar  let OneByRef = 'One'->funcref()
463437bafe4SBram Moolenaar  call assert_equal(2, OneByRef())
464843b8844SBram Moolenaar  call assert_fails('echo funcref("{")', 'E475:')
4654c054e9fSBram Moolenaar  let OneByRef = funcref("One", repeat(["foo"], 20))
4664c054e9fSBram Moolenaar  call assert_fails('let OneByRef = funcref("One", repeat(["foo"], 21))', 'E118:')
467ee4e0c1eSBram Moolenaar  call assert_fails('echo function("min") =~ function("min")', 'E694:')
468437bafe4SBram Moolenaarendfunc
4697dc5e2e4SBram Moolenaar
4707dc5e2e4SBram Moolenaarfunc Test_setmatches()
4717dc5e2e4SBram Moolenaar  hi def link 1 Comment
4727dc5e2e4SBram Moolenaar  hi def link 2 PreProc
4737ab6defcSBram Moolenaar  let set = [{"group": 1, "pattern": 2, "id": 3, "priority": 4}]
4747ab6defcSBram Moolenaar  let exp = [{"group": '1', "pattern": '2', "id": 3, "priority": 4}]
4757ab6defcSBram Moolenaar  if has('conceal')
4767ab6defcSBram Moolenaar    let set[0]['conceal'] = 5
4777ab6defcSBram Moolenaar    let exp[0]['conceal'] = '5'
4787ab6defcSBram Moolenaar  endif
479aad222c9SBram Moolenaar  eval set->setmatches()
4807dc5e2e4SBram Moolenaar  call assert_equal(exp, getmatches())
48199fa7219SBram Moolenaar  call assert_fails('let m = setmatches([], [])', 'E957:')
4827dc5e2e4SBram Moolenaarendfunc
48321842689SBram Moolenaar
48421842689SBram Moolenaarfunc Test_empty_concatenate()
48521842689SBram Moolenaar  call assert_equal('b', 'a'[4:0] . 'b')
48621842689SBram Moolenaar  call assert_equal('b', 'b' . 'a'[4:0])
48721842689SBram Moolenaarendfunc
48816e9b851SBram Moolenaar
48916e9b851SBram Moolenaarfunc Test_broken_number()
49016e9b851SBram Moolenaar  let X = 'bad'
49116e9b851SBram Moolenaar  call assert_fails('echo 1X', 'E15:')
49216e9b851SBram Moolenaar  call assert_fails('echo 0b1X', 'E15:')
49316e9b851SBram Moolenaar  call assert_fails('echo 0b12', 'E15:')
49416e9b851SBram Moolenaar  call assert_fails('echo 0x1X', 'E15:')
49516e9b851SBram Moolenaar  call assert_fails('echo 011X', 'E15:')
49616e9b851SBram Moolenaar  call assert_equal(2, str2nr('2a'))
49716e9b851SBram Moolenaar  call assert_fails('inoremap <Char-0b1z> b', 'E474:')
49816e9b851SBram Moolenaarendfunc
499a76b3154SBram Moolenaar
500a76b3154SBram Moolenaarfunc Test_eval_after_if()
501a76b3154SBram Moolenaar  let s:val = ''
502a76b3154SBram Moolenaar  func SetVal(x)
503a76b3154SBram Moolenaar    let s:val ..= a:x
504a76b3154SBram Moolenaar  endfunc
505a76b3154SBram Moolenaar  if 0 | eval SetVal('a') | endif | call SetVal('b')
506a76b3154SBram Moolenaar  call assert_equal('b', s:val)
507a76b3154SBram Moolenaarendfunc
5088b633135SBram Moolenaar
5098b633135SBram Moolenaar" Test for command-line completion of expressions
5108b633135SBram Moolenaarfunc Test_expr_completion()
5118b633135SBram Moolenaar  if !has('cmdline_compl')
5128b633135SBram Moolenaar    return
5138b633135SBram Moolenaar  endif
5148b633135SBram Moolenaar  for cmd in [
5158b633135SBram Moolenaar	\ 'let a = ',
5168b633135SBram Moolenaar	\ 'const a = ',
5178b633135SBram Moolenaar	\ 'if',
5188b633135SBram Moolenaar	\ 'elseif',
5198b633135SBram Moolenaar	\ 'while',
5208b633135SBram Moolenaar	\ 'for',
5218b633135SBram Moolenaar	\ 'echo',
5228b633135SBram Moolenaar	\ 'echon',
5238b633135SBram Moolenaar	\ 'execute',
5248b633135SBram Moolenaar	\ 'echomsg',
5258b633135SBram Moolenaar	\ 'echoerr',
5268b633135SBram Moolenaar	\ 'call',
5278b633135SBram Moolenaar	\ 'return',
5288b633135SBram Moolenaar	\ 'cexpr',
5298b633135SBram Moolenaar	\ 'caddexpr',
5308b633135SBram Moolenaar	\ 'cgetexpr',
5318b633135SBram Moolenaar	\ 'lexpr',
5328b633135SBram Moolenaar	\ 'laddexpr',
5338b633135SBram Moolenaar	\ 'lgetexpr']
5348b633135SBram Moolenaar    call feedkeys(":" . cmd . " getl\<Tab>\<Home>\"\<CR>", 'xt')
5358b633135SBram Moolenaar    call assert_equal('"' . cmd . ' getline(', getreg(':'))
5368b633135SBram Moolenaar  endfor
5378b633135SBram Moolenaar
5388b633135SBram Moolenaar  " completion for the expression register
5398b633135SBram Moolenaar  call feedkeys(":\"\<C-R>=float2\t\"\<C-B>\"\<CR>", 'xt')
5408b633135SBram Moolenaar  call assert_equal('"float2nr("', @=)
5418b633135SBram Moolenaar
5428b633135SBram Moolenaar  " completion for window local variables
5438b633135SBram Moolenaar  let w:wvar1 = 10
5448b633135SBram Moolenaar  let w:wvar2 = 10
5458b633135SBram Moolenaar  call feedkeys(":echo w:wvar\<C-A>\<C-B>\"\<CR>", 'xt')
5468b633135SBram Moolenaar  call assert_equal('"echo w:wvar1 w:wvar2', @:)
5478b633135SBram Moolenaar  unlet w:wvar1 w:wvar2
5488b633135SBram Moolenaar
5498b633135SBram Moolenaar  " completion for tab local variables
5508b633135SBram Moolenaar  let t:tvar1 = 10
5518b633135SBram Moolenaar  let t:tvar2 = 10
5528b633135SBram Moolenaar  call feedkeys(":echo t:tvar\<C-A>\<C-B>\"\<CR>", 'xt')
5538b633135SBram Moolenaar  call assert_equal('"echo t:tvar1 t:tvar2', @:)
5548b633135SBram Moolenaar  unlet t:tvar1 t:tvar2
5558b633135SBram Moolenaar
5568b633135SBram Moolenaar  " completion for variables
5578b633135SBram Moolenaar  let g:tvar1 = 1
5588b633135SBram Moolenaar  let g:tvar2 = 2
5598b633135SBram Moolenaar  call feedkeys(":let g:tv\<C-A>\<C-B>\"\<CR>", 'xt')
5608b633135SBram Moolenaar  call assert_equal('"let g:tvar1 g:tvar2', @:)
5618b633135SBram Moolenaar  " completion for variables after a ||
5628b633135SBram Moolenaar  call feedkeys(":echo 1 || g:tv\<C-A>\<C-B>\"\<CR>", 'xt')
5638b633135SBram Moolenaar  call assert_equal('"echo 1 || g:tvar1 g:tvar2', @:)
5648b633135SBram Moolenaar
5658b633135SBram Moolenaar  " completion for options
5668b633135SBram Moolenaar  call feedkeys(":echo &compat\<C-A>\<C-B>\"\<CR>", 'xt')
5678b633135SBram Moolenaar  call assert_equal('"echo &compatible', @:)
5688b633135SBram Moolenaar  call feedkeys(":echo 1 && &compat\<C-A>\<C-B>\"\<CR>", 'xt')
5698b633135SBram Moolenaar  call assert_equal('"echo 1 && &compatible', @:)
5708b633135SBram Moolenaar  call feedkeys(":echo &g:equala\<C-A>\<C-B>\"\<CR>", 'xt')
5718b633135SBram Moolenaar  call assert_equal('"echo &g:equalalways', @:)
5728b633135SBram Moolenaar
5738b633135SBram Moolenaar  " completion for string
5748b633135SBram Moolenaar  call feedkeys(":echo \"Hello\\ World\"\<C-A>\<C-B>\"\<CR>", 'xt')
5758b633135SBram Moolenaar  call assert_equal("\"echo \"Hello\\ World\"\<C-A>", @:)
5768b633135SBram Moolenaar  call feedkeys(":echo 'Hello World'\<C-A>\<C-B>\"\<CR>", 'xt')
5778b633135SBram Moolenaar  call assert_equal("\"echo 'Hello World'\<C-A>", @:)
5788b633135SBram Moolenaar
5798b633135SBram Moolenaar  " completion for command after a |
5808b633135SBram Moolenaar  call feedkeys(":echo 'Hello' | cwin\<C-A>\<C-B>\"\<CR>", 'xt')
5818b633135SBram Moolenaar  call assert_equal("\"echo 'Hello' | cwindow", @:)
5828b633135SBram Moolenaar
5838b633135SBram Moolenaar  " completion for environment variable
5848b633135SBram Moolenaar  let $X_VIM_TEST_COMPLETE_ENV = 'foo'
5858b633135SBram Moolenaar  call feedkeys(":let $X_VIM_TEST_COMPLETE_E\<C-A>\<C-B>\"\<CR>", 'tx')
5868b633135SBram Moolenaar  call assert_match('"let $X_VIM_TEST_COMPLETE_ENV', @:)
5878b633135SBram Moolenaar  unlet $X_VIM_TEST_COMPLETE_ENV
5888b633135SBram Moolenaarendfunc
5898b633135SBram Moolenaar
5908b633135SBram Moolenaar" Test for errors in expression evaluation
5918b633135SBram Moolenaarfunc Test_expr_eval_error()
5928b633135SBram Moolenaar  call assert_fails("let i = 'abc' . []", 'E730:')
5938b633135SBram Moolenaar  call assert_fails("let l = [] + 10", 'E745:')
5948b633135SBram Moolenaar  call assert_fails("let v = 10 + []", 'E745:')
5958b633135SBram Moolenaar  call assert_fails("let v = 10 / []", 'E745:')
5968b633135SBram Moolenaar  call assert_fails("let v = -{}", 'E728:')
5978b633135SBram Moolenaarendfunc
5988b633135SBram Moolenaar
5999d8d0b5cSBram Moolenaar" Test for float value comparison
6009d8d0b5cSBram Moolenaarfunc Test_float_compare()
6019d8d0b5cSBram Moolenaar  CheckFeature float
6029d8d0b5cSBram Moolenaar  call assert_true(1.2 == 1.2)
6039d8d0b5cSBram Moolenaar  call assert_true(1.0 != 1.2)
6049d8d0b5cSBram Moolenaar  call assert_true(1.2 > 1.0)
6059d8d0b5cSBram Moolenaar  call assert_true(1.2 >= 1.2)
6069d8d0b5cSBram Moolenaar  call assert_true(1.0 < 1.2)
6079d8d0b5cSBram Moolenaar  call assert_true(1.2 <= 1.2)
6089d8d0b5cSBram Moolenaar  call assert_true(+0.0 == -0.0)
6099d8d0b5cSBram Moolenaar  " two NaNs (not a number) are not equal
6109d8d0b5cSBram Moolenaar  call assert_true(sqrt(-4.01) != (0.0 / 0.0))
6119d8d0b5cSBram Moolenaar  " two inf (infinity) are equal
6129d8d0b5cSBram Moolenaar  call assert_true((1.0 / 0) == (2.0 / 0))
6139d8d0b5cSBram Moolenaar  " two -inf (infinity) are equal
6149d8d0b5cSBram Moolenaar  call assert_true(-(1.0 / 0) == -(2.0 / 0))
6159d8d0b5cSBram Moolenaar  " +infinity != -infinity
6169d8d0b5cSBram Moolenaar  call assert_true((1.0 / 0) != -(2.0 / 0))
6179d8d0b5cSBram Moolenaarendfunc
6189d8d0b5cSBram Moolenaar
6198b633135SBram Moolenaar" vim: shiftwidth=2 sts=2 expandtab
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