mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
811 lines
18 KiB
V
811 lines
18 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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fn test_add() {
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mut a := 'a'
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a += 'b'
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assert a==('ab')
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a = 'a'
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for i := 1; i < 1000; i++ {
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a += 'b'
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}
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assert a.len == 1000
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assert a.ends_with('bbbbb')
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a += '123'
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assert a.ends_with('3')
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mut foo := Foo{0, 'hi'}
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foo.str += '!'
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assert foo.str == 'hi!'
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}
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fn test_ends_with() {
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a := 'browser.v'
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assert a.ends_with('.v')
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}
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fn test_between() {
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s := 'hello [man] how you doing'
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assert s.find_between('[', ']') == 'man'
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}
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fn test_compare() {
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a := 'Music'
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b := 'src'
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assert b>=(a)
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}
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fn test_lt() {
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a := ''
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b := 'a'
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c := 'a'
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d := 'b'
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e := 'aa'
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f := 'ab'
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assert a < (b)
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assert !(b < c)
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assert c < (d)
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assert !(d < e)
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assert c < (e)
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assert e < (f)
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}
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fn test_ge() {
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a := 'aa'
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b := 'aa'
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c := 'ab'
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d := 'abc'
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e := 'aaa'
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assert b >= (a)
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assert c >= (b)
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assert d >= (c)
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assert !(c >= d)
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assert e >= (a)
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}
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fn test_compare_strings() {
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a := 'aa'
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b := 'aa'
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c := 'ab'
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d := 'abc'
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e := 'aaa'
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assert compare_strings(a, b) == 0
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assert compare_strings(b, c) == -1
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assert compare_strings(c, d) == -1
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assert compare_strings(d, e) == 1
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assert compare_strings(a, e) == -1
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assert compare_strings(e, a) == 1
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}
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fn test_sort() {
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mut vals := [
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'arr', 'an', 'a', 'any'
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]
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len := vals.len
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vals.sort()
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assert len == vals.len
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assert vals[0] == 'a'
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assert vals[1] == 'an'
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assert vals[2] == 'any'
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assert vals[3] == 'arr'
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}
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fn test_split_nth() {
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a := "1,2,3"
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assert (a.split(',').len == 3)
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assert (a.split_nth(',', -1).len == 3)
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assert (a.split_nth(',', 0).len == 3)
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assert (a.split_nth(',', 1).len == 1)
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assert (a.split_nth(',', 2).len == 2)
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assert (a.split_nth(',', 10).len == 3)
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b := "1::2::3"
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assert (b.split('::').len == 3)
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assert (b.split_nth('::', -1).len == 3)
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assert (b.split_nth('::', 0).len == 3)
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assert (b.split_nth('::', 1).len == 1)
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assert (b.split_nth('::', 2).len == 2)
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assert (b.split_nth('::', 10).len == 3)
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c := "ABCDEF"
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assert (c.split('').len == 6)
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assert (c.split_nth('', 3).len == 3)
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assert (c.split_nth('BC', -1).len == 2)
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d := ","
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assert (d.split(',').len == 2)
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assert (d.split_nth('', 3).len == 1)
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assert (d.split_nth(',', -1).len == 2)
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assert (d.split_nth(',', 3).len == 2)
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e := ",,,0,,,,,a,,b,"
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// assert (e.split(',,').len == 5)
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// assert (e.split_nth(',,', 3).len == 2)
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assert (e.split_nth(',', -1).len == 12)
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assert (e.split_nth(',', 3).len == 3)
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}
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fn test_split_nth_values() {
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line := 'CMD=eprintln(phase=1)'
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a0 := line.split_nth('=', 0)
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assert a0.len == 3
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assert a0[0] == 'CMD'
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assert a0[1] == 'eprintln(phase'
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assert a0[2] == '1)'
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a1 := line.split_nth('=', 1)
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assert a1.len == 1
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assert a1[0] == 'CMD=eprintln(phase=1)'
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a2 := line.split_nth('=', 2)
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assert a2.len == 2
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assert a2[0] == 'CMD'
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assert a2[1] == 'eprintln(phase=1)'
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a3 := line.split_nth('=', 3)
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assert a3.len == 3
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assert a3[0] == 'CMD'
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assert a3[1] == 'eprintln(phase'
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assert a3[2] == '1)'
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a4 := line.split_nth('=', 4)
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assert a4.len == 3
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assert a4[0] == 'CMD'
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assert a4[1] == 'eprintln(phase'
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assert a4[2] == '1)'
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}
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fn test_split() {
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mut s := 'volt/twitch.v:34'
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mut vals := s.split(':')
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assert vals.len == 2
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assert vals[0] == 'volt/twitch.v'
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assert vals[1] == '34'
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// /////////
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s = '2018-01-01z13:01:02'
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vals = s.split('z')
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assert vals.len == 2
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assert vals[0] =='2018-01-01'
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assert vals[1] == '13:01:02'
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// //////////
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s = '4627a862c3dec29fb3182a06b8965e0025759e18___1530207969___blue'
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vals = s.split('___')
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assert vals.len == 3
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assert vals[0]== '4627a862c3dec29fb3182a06b8965e0025759e18'
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assert vals[1]=='1530207969'
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assert vals[2]== 'blue'
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// /////////
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s = 'lalala'
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vals = s.split('a')
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assert vals.len == 4
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assert vals[0] == 'l'
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assert vals[1] == 'l'
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assert vals[2] == 'l'
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assert vals[3] == ''
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// /////////
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s = 'awesome'
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a := s.split('')
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assert a.len == 7
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assert a[0] == 'a'
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assert a[1] == 'w'
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assert a[2] == 'e'
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assert a[3] == 's'
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assert a[4] == 'o'
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assert a[5] == 'm'
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assert a[6] == 'e'
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}
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fn test_trim_space() {
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a := ' a '
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assert a.trim_space() == 'a'
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code := '
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fn main() {
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println(2)
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}
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'
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code_clean := 'fn main() {
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println(2)
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}'
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assert code.trim_space() == code_clean
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}
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fn test_join() {
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mut strings := [ 'a', 'b', 'c' ]
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mut s := strings.join(' ')
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assert s == 'a b c'
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strings = ['one
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two ',
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'three!
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four!']
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s = strings.join(' ')
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assert s.contains('one') && s.contains('two ') && s.contains('four')
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}
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fn test_clone() {
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mut a := 'a'
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a += 'a'
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a += 'a'
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b := a
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c := a.clone()
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assert c == a
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assert c == 'aaa'
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assert b == 'aaa'
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}
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fn test_replace() {
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a := 'hello man!'
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mut b := a.replace('man', 'world')
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assert b==('hello world!')
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b = b.replace('!', '')
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assert b==('hello world')
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b = b.replace('h', 'H')
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assert b==('Hello world')
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b = b.replace('foo', 'bar')
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assert b==('Hello world')
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s := 'hey man how are you'
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assert s.replace('man ', '') == 'hey how are you'
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lol := 'lol lol lol'
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assert lol.replace('lol', 'LOL') == 'LOL LOL LOL'
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b = 'oneBtwoBBthree'
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assert b.replace('B', '') == 'onetwothree'
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b = '*charptr'
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assert b.replace('charptr', 'byteptr') == '*byteptr'
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c :='abc'
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assert c.replace('','-') == c
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v :='a b c d'
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assert v.replace(' ',' ') == 'a b c d'
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}
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fn test_replace_each() {
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s := 'hello man man :)'
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q := s.replace_each([
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'man', 'dude',
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'hello', 'hey'
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])
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assert q == 'hey dude dude :)'
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bb := '[b]bold[/b] [code]code[/code]'
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assert bb.replace_each([
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'[b]', '<b>',
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'[/b]', '</b>',
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'[code]', '<code>',
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'[/code]', '</code>'
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]) == '<b>bold</b> <code>code</code>'
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bb2 := '[b]cool[/b]'
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assert bb2.replace_each([
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'[b]', '<b>',
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'[/b]', '</b>',
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]) == '<b>cool</b>'
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}
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fn test_itoa() {
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num := 777
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assert num.str() == '777'
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big := 7779998
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assert big.str() == '7779998'
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a := 3
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assert a.str() == '3'
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b := 5555
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assert b.str() == '5555'
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zero := 0
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assert zero.str() == '0'
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neg := -7
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assert neg.str() == '-7'
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}
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fn test_reassign() {
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a := 'hi'
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mut b := a
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b += '!'
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assert a == 'hi'
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assert b == 'hi!'
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}
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fn test_runes() {
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s := 'привет'
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assert s.len == 12
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s2 := 'privet'
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assert s2.len == 6
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u := s.ustring()
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assert u.len == 6
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assert s2.substr(1, 4).len == 3
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assert s2.substr(1, 4) == 'riv'
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assert s2[1..4].len == 3
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assert s2[1..4] == 'riv'
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assert s2[..4].len == 4
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assert s2[..4] == 'priv'
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assert s2[2..].len == 4
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assert s2[2..] == 'ivet'
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assert u.substr(1, 4).len == 6
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assert u.substr(1, 4) == 'рив'
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assert s2.substr(1, 2) == 'r'
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assert u.substr(1, 2) == 'р'
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assert s2.ustring().at(1) == 'r'
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assert u.at(1) == 'р'
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first := u.at(0)
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last := u.at(u.len - 1)
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assert first.len == 2
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assert last.len == 2
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}
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fn test_lower() {
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mut s := 'A'
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assert s.to_lower() == 'a'
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assert s.to_lower().len == 1
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s = 'HELLO'
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assert s.to_lower() == 'hello'
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assert s.to_lower().len == 5
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s = 'Aloha'
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assert s.to_lower() == 'aloha'
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s = 'Have A nice Day!'
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assert s.to_lower() == 'have a nice day!'
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s = 'hi'
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assert s.to_lower() == 'hi'
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}
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fn test_upper() {
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mut s := 'a'
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assert s.to_upper() == 'A'
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assert s.to_upper().len == 1
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s = 'hello'
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assert s.to_upper() == 'HELLO'
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assert s.to_upper().len == 5
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s = 'Aloha'
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assert s.to_upper() == 'ALOHA'
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s = 'have a nice day!'
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assert s.to_upper() == 'HAVE A NICE DAY!'
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s = 'hi'
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assert s.to_upper() == 'HI'
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}
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fn test_left_right() {
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s := 'ALOHA'
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assert s.left(3) == 'ALO'
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assert s.left(0) == ''
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assert s.left(8) == s
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assert s.right(3) == 'HA'
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assert s.right(6) == ''
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assert s[3..] == 'HA'
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u := s.ustring()
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assert u.left(3) == 'ALO'
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assert u.left(0) == ''
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assert s.left(8) == s
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assert u.right(3) == 'HA'
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assert u.right(6) == ''
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}
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fn test_contains() {
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s := 'view.v'
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assert s.contains('vi')
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assert !s.contains('random')
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}
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fn test_arr_contains() {
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a := ['a', 'b', 'c']
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assert a.contains('b')
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ints := [1, 2, 3]
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assert ints.contains(2)
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}
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fn test_to_num() {
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s := '7'
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assert s.int() == 7
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assert s.u64() == 7
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f := '71.5 hasdf'
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assert f.f32() == 71.5
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b := 1.52345
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mut a := '${b:.03f}'
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assert a == '1.523'
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num := 7
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a = '${num:03d}'
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vals := ['9']
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assert vals[0].int() == 9
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big := '93993993939322'
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assert big.u64() == 93993993939322
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assert big.i64() == 93993993939322
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}
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fn test_hash() {
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s := '10000'
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assert s.hash() == 46730161
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s2 := '24640'
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assert s2.hash() == 47778736
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s3 := 'Content-Type'
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assert s3.hash() == 949037134
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s4 := 'bad_key'
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assert s4.hash() == -346636507
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s5 := '24640'
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// From a map collision test
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assert s5.hash() % ((1 << 20) -1) == s.hash() % ((1 << 20) -1)
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assert s5.hash() % ((1 << 20) -1) == 592861
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}
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fn test_trim() {
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assert 'banana'.trim('bna') == ''
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assert 'abc'.trim('ac') == 'b'
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assert 'aaabccc'.trim('ac') == 'b'
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}
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fn test_trim_left() {
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mut s := 'module main'
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assert s.trim_left(' ') == 'module main'
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s = ' module main'
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assert s.trim_left(' ') == 'module main'
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// test cutset
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s = 'banana'
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assert s.trim_left('ba') == 'nana'
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}
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fn test_trim_right() {
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mut s := 'module main'
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assert s.trim_right(' ') == 'module main'
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s = 'module main '
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assert s.trim_right(' ') == 'module main'
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// test cutset
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s = 'banana'
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assert s.trim_right('na') == 'b'
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}
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|
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fn test_all_before() {
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s := 'fn hello fn'
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assert s.all_before(' ') == 'fn'
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assert s.all_before('2') == s
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assert s.all_before('') == s
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}
|
||
|
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fn test_all_before_last() {
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s := 'fn hello fn'
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assert s.all_before_last(' ') == 'fn hello'
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assert s.all_before_last('2') == s
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assert s.all_before_last('') == s
|
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}
|
||
|
||
fn test_all_after() {
|
||
s := 'fn hello'
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||
assert s.all_after('fn ') == 'hello'
|
||
assert s.all_after('test') == s
|
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assert s.all_after('') == s
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}
|
||
|
||
fn test_reverse() {
|
||
assert 'hello'.reverse() == 'olleh'
|
||
assert ''.reverse() == ''
|
||
assert 'a'.reverse() == 'a'
|
||
}
|
||
|
||
struct Foo {
|
||
bar int
|
||
mut:
|
||
str string
|
||
}
|
||
|
||
fn (f Foo) baz() string {
|
||
return 'baz'
|
||
}
|
||
|
||
fn test_interpolation() {
|
||
num := 7
|
||
mut s := 'number=$num'
|
||
assert s == 'number=7'
|
||
foo := Foo{}
|
||
s = 'baz=${foo.baz()}'
|
||
assert s == 'baz=baz'
|
||
|
||
}
|
||
|
||
fn test_bytes_to_string() {
|
||
mut buf := vcalloc(10)
|
||
buf[0] = `h`
|
||
buf[1] = `e`
|
||
buf[2] = `l`
|
||
buf[3] = `l`
|
||
buf[4] = `o`
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||
assert string(buf) == 'hello'
|
||
assert string(buf, 2) == 'he'
|
||
bytes := [`h`, `e`, `l`, `l`, `o`]
|
||
assert string(bytes, 5) == 'hello'
|
||
}
|
||
|
||
fn test_count() {
|
||
assert ''.count('') == 0
|
||
assert ''.count('a') == 0
|
||
assert 'a'.count('') == 0
|
||
assert 'aa'.count('a') == 2
|
||
assert 'aa'.count('aa') == 1
|
||
assert 'aabbaa'.count('aa') == 2
|
||
assert 'bbaabb'.count('aa') == 1
|
||
}
|
||
|
||
fn test_capitalize() {
|
||
mut s := 'hello'
|
||
assert s.capitalize() == 'Hello'
|
||
s = 'test'
|
||
assert s.capitalize() == 'Test'
|
||
s = 'i am ray'
|
||
assert s.capitalize() == 'I am ray'
|
||
s = ''
|
||
assert s.capitalize() == ''
|
||
}
|
||
|
||
fn test_title() {
|
||
s := 'hello world'
|
||
assert s.title() == 'Hello World'
|
||
s.to_upper()
|
||
assert s.title() == 'Hello World'
|
||
s.to_lower()
|
||
assert s.title() == 'Hello World'
|
||
}
|
||
|
||
fn test_for_loop() {
|
||
mut i := 0
|
||
s := 'abcd'
|
||
|
||
for c in s {
|
||
assert c == s[i]
|
||
i++
|
||
}
|
||
}
|
||
|
||
fn test_for_loop_two() {
|
||
s := 'abcd'
|
||
|
||
for i, c in s {
|
||
assert c == s[i]
|
||
}
|
||
}
|
||
|
||
fn test_quote() {
|
||
a := `'`
|
||
println("testing double quotes")
|
||
b := "hi"
|
||
assert b == 'hi'
|
||
assert a.str() == '\''
|
||
}
|
||
|
||
fn test_ustring_comparisons() {
|
||
assert ('h€llô !'.ustring() == 'h€llô !'.ustring()) == true
|
||
assert ('h€llô !'.ustring() == 'h€llô'.ustring()) == false
|
||
assert ('h€llô !'.ustring() == 'h€llo !'.ustring()) == false
|
||
|
||
assert ('h€llô !'.ustring() != 'h€llô !'.ustring()) == false
|
||
assert ('h€llô !'.ustring() != 'h€llô'.ustring()) == true
|
||
|
||
assert ('h€llô'.ustring() < 'h€llô!'.ustring()) == true
|
||
assert ('h€llô'.ustring() < 'h€llo'.ustring()) == false
|
||
assert ('h€llo'.ustring() < 'h€llô'.ustring()) == true
|
||
|
||
assert ('h€llô'.ustring() <= 'h€llô!'.ustring()) == true
|
||
assert ('h€llô'.ustring() <= 'h€llô'.ustring()) == true
|
||
assert ('h€llô!'.ustring() <= 'h€llô'.ustring()) == false
|
||
|
||
assert ('h€llô!'.ustring() > 'h€llô'.ustring()) == true
|
||
assert ('h€llô'.ustring() > 'h€llô'.ustring()) == false
|
||
|
||
assert ('h€llô!'.ustring() >= 'h€llô'.ustring()) == true
|
||
assert ('h€llô'.ustring() >= 'h€llô'.ustring()) == true
|
||
assert ('h€llô'.ustring() >= 'h€llô!'.ustring()) == false
|
||
}
|
||
|
||
fn test_ustring_count() {
|
||
a := 'h€llôﷰ h€llô ﷰ'.ustring()
|
||
assert (a.count('l'.ustring())) == 4
|
||
assert (a.count('€'.ustring())) == 2
|
||
assert (a.count('h€llô'.ustring())) == 2
|
||
assert (a.count('ﷰ'.ustring())) == 2
|
||
assert (a.count('a'.ustring())) == 0
|
||
}
|
||
|
||
fn test_limit() {
|
||
s := 'hello'
|
||
assert s.limit(2) == 'he'
|
||
assert s.limit(9) == s
|
||
assert s.limit(0) == ''
|
||
// assert s.limit(-1) == ''
|
||
}
|
||
|
||
fn test_repeat() {
|
||
s1 := 'V! '
|
||
assert s1.repeat(5) == 'V! V! V! V! V! '
|
||
assert s1.repeat(1) == s1
|
||
assert s1.repeat(0) == ''
|
||
s2 := ''
|
||
assert s2.repeat(5) == s2
|
||
assert s2.repeat(1) == s2
|
||
assert s2.repeat(0) == s2
|
||
// TODO Add test for negative values
|
||
}
|
||
|
||
fn test_raw() {
|
||
raw := r'raw\nstring'
|
||
lines := raw.split('\n')
|
||
assert lines.len == 1
|
||
println('raw string: "$raw"')
|
||
}
|
||
|
||
fn test_raw_with_quotes() {
|
||
raw := r"some'" + r'"thing' // " should be escaped in the generated C code
|
||
assert raw[0] == `s`
|
||
assert raw[5] == `"`
|
||
assert raw[6] == `t`
|
||
}
|
||
|
||
fn test_escape() {
|
||
// TODO
|
||
//a := 10
|
||
//println("\"$a")
|
||
}
|
||
|
||
fn test_atoi() {
|
||
assert '234232'.int() == 234232
|
||
assert '-9009'.int() == -9009
|
||
assert '0'.int() == 0
|
||
for n in -10000 .. 100000 {
|
||
s := n.str()
|
||
assert s.int() == n
|
||
}
|
||
}
|
||
|
||
fn test_raw_inter() {
|
||
world := 'world'
|
||
println(world)
|
||
s := r'hello\n$world'
|
||
assert s == r'hello\n$world'
|
||
assert s.contains('$')
|
||
}
|
||
|
||
fn test_c_r() {
|
||
// This used to break because of r'' and c''
|
||
c := 42
|
||
println('$c')
|
||
r := 50
|
||
println('$r')
|
||
}
|
||
|
||
fn test_inter_before_comp_if() {
|
||
s := '123'
|
||
// This used to break ('123 $....')
|
||
$if linux {
|
||
println(s)
|
||
}
|
||
assert s == '123'
|
||
}
|
||
|
||
fn test_double_quote_inter() {
|
||
a := 1
|
||
b := 2
|
||
println("${a} ${b}")
|
||
assert "${a} ${b}" == "1 2"
|
||
assert '${a} ${b}' == "1 2"
|
||
}
|
||
|
||
fn test_split_into_lines() {
|
||
line_content := 'Line'
|
||
text_crlf := '${line_content}\r\n${line_content}\r\n${line_content}'
|
||
lines_crlf := text_crlf.split_into_lines()
|
||
|
||
assert lines_crlf.len == 3
|
||
for line in lines_crlf {
|
||
assert line == line_content
|
||
}
|
||
|
||
text_lf := '${line_content}\n${line_content}\n${line_content}'
|
||
lines_lf := text_lf.split_into_lines()
|
||
|
||
assert lines_lf.len == 3
|
||
for line in lines_lf {
|
||
assert line == line_content
|
||
}
|
||
}
|
||
|
||
fn test_strip_margins_no_tabs() {
|
||
no_tabs := ['Hello there',
|
||
'This is a string',
|
||
'With multiple lines',
|
||
].join('\n')
|
||
no_tabs_stripped := 'Hello there
|
||
|This is a string
|
||
|With multiple lines'.strip_margin()
|
||
assert no_tabs == no_tabs_stripped
|
||
}
|
||
|
||
fn test_strip_margins_text_before() {
|
||
text_before := ['There is text',
|
||
'before the delimiter',
|
||
'that should be removed as well',
|
||
].join('\n')
|
||
text_before_stripped := 'There is text
|
||
f lasj asldfj j lksjdf |before the delimiter
|
||
Which is removed hello |that should be removed as well'.strip_margin()
|
||
assert text_before_stripped == text_before
|
||
}
|
||
|
||
fn test_strip_margins_white_space_after_delim() {
|
||
tabs := [' Tab',
|
||
' spaces',
|
||
' another tab',
|
||
].join('\n')
|
||
tabs_stripped := ' Tab
|
||
| spaces
|
||
| another tab'.strip_margin()
|
||
assert tabs == tabs_stripped
|
||
}
|
||
|
||
fn test_strip_margins_alternate_delim() {
|
||
alternate_delimiter := ['This has a different delim,',
|
||
'but that is ok',
|
||
'because everything works',
|
||
].join('\n')
|
||
alternate_delimiter_stripped := 'This has a different delim,
|
||
#but that is ok
|
||
#because everything works'.strip_margin(`#`)
|
||
assert alternate_delimiter_stripped == alternate_delimiter
|
||
}
|
||
|
||
fn test_strip_margins_multiple_delims_after_first() {
|
||
delim_after_first_instance := ['The delimiter used',
|
||
'only matters the |||| First time it is seen',
|
||
'not any | other | times',
|
||
].join('\n')
|
||
delim_after_first_instance_stripped := 'The delimiter used
|
||
|only matters the |||| First time it is seen
|
||
|not any | other | times'.strip_margin()
|
||
assert delim_after_first_instance_stripped == delim_after_first_instance
|
||
}
|
||
|
||
fn test_strip_margins_uneven_delims() {
|
||
uneven_delims := ['It doesn\'t matter if the delims are uneven,',
|
||
'The text will still be delimited correctly.',
|
||
'Maybe not everything needs 3 lines?',
|
||
'Let us go for 4 then',
|
||
].join('\n')
|
||
uneven_delims_stripped := 'It doesn\'t matter if the delims are uneven,
|
||
|The text will still be delimited correctly.
|
||
|Maybe not everything needs 3 lines?
|
||
|Let us go for 4 then'.strip_margin()
|
||
assert uneven_delims_stripped == uneven_delims
|
||
}
|
||
|
||
fn test_strip_margins_multiple_blank_lines() {
|
||
multi_blank_lines := ['Multiple blank lines will be removed.',
|
||
' I actually consider this a feature.',
|
||
].join('\n')
|
||
multi_blank_lines_stripped := 'Multiple blank lines will be removed.
|
||
|
||
|
||
|
||
| I actually consider this a feature.'.strip_margin()
|
||
assert multi_blank_lines == multi_blank_lines_stripped
|
||
}
|
||
|
||
fn test_strip_margins_end_newline() {
|
||
end_with_newline := ['This line will end with a newline',
|
||
'Something cool or something.',
|
||
'',
|
||
].join('\n')
|
||
end_with_newline_stripped := 'This line will end with a newline
|
||
|Something cool or something.
|
||
|
||
'.strip_margin()
|
||
assert end_with_newline_stripped == end_with_newline
|
||
}
|
||
|
||
fn test_strip_margins_space_delimiter() {
|
||
space_delimiter := ['Using a white-space char will',
|
||
'revert back to default behavior.',
|
||
].join('\n')
|
||
space_delimiter_stripped := 'Using a white-space char will
|
||
|revert back to default behavior.'.strip_margin(`\n`)
|
||
assert space_delimiter == space_delimiter_stripped
|
||
}
|
||
|
||
fn test_strip_margins_crlf() {
|
||
crlf := ['This string\'s line endings have CR as well as LFs.',
|
||
'This should pass',
|
||
'Definitely',
|
||
].join('\r\n')
|
||
crlf_stripped := 'This string\'s line endings have CR as well as LFs.\r
|
||
|This should pass\r
|
||
|Definitely'.strip_margin()
|
||
|
||
assert crlf == crlf_stripped
|
||
}
|