mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
341 lines
6.1 KiB
Go
341 lines
6.1 KiB
Go
// Copyright (c) 2019 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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}
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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() {
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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 == 3
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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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}
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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 = '**char'
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assert b.replace('*char', 'byteptr') == '*byteptr'
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mut c :='abc'
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assert c.replace('','-') == c
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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 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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// ///////
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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_left_right() {
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s := 'ALOHA'
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assert s.left(3) == 'ALO'
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assert s.right(3) == 'HA'
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u := s.ustring()
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assert u.left(3) == 'ALO'
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assert u.right(3) == 'HA'
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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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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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}
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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_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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}
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fn test_all_after() {
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s := 'fn hello'
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q := s.all_after('fn ')
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assert q == 'hello'
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}
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fn test_reverse() {
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s := 'hello'
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assert s.reverse() == 'olleh'
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t := ''
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assert t.reverse() == t
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}
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struct Foo {
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bar int
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}
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fn (f Foo) baz() string {
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return 'baz'
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}
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fn test_interpolation() {
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num := 7
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mut s := 'number=$num'
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assert s == 'number=7'
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foo := Foo{}
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s = 'baz=${foo.baz()}'
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assert s == 'baz=baz'
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}
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fn test_bytes_to_string() {
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mut buf := malloc(10)
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buf[0] = `h`
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buf[1] = `e`
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buf[2] = `l`
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buf[3] = `l`
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buf[4] = `o`
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assert string(buf) == 'hello'
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assert string(buf, 2) == 'he'
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bytes := [`h`, `e`, `l`, `l`, `o`]
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assert string(bytes) == 'hello'
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}
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