905 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			V
		
	
	
			
		
		
	
	
			905 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			V
		
	
	
// import strings
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// Copyright (c) 2019-2022 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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struct Foo {
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	bar int
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mut:
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	str string
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}
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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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	s := 'V Programming Language'
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	assert s.ends_with('guage') == true
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	assert s.ends_with('Language') == true
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	assert s.ends_with('Programming Language') == true
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	assert s.ends_with('V') == false
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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',
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		'an',
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		'a',
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		'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_sort_reverse() {
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	mut vals := [
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		'arr',
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		'an',
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		'a',
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		'any',
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	]
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	len := vals.len
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	vals.sort(b > a)
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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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	println(c.split('').len)
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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 == 3
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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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	s = 'wavy turquoise bags'
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	vals = s.split(' bags')
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	assert vals.len == 2
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	assert vals[0] == 'wavy turquoise'
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	assert vals[1] == ''
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}
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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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/*
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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 = [
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		'one
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two ',
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		'three!
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four!',
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	]
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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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	empty := []string{len: 0}
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	assert empty.join('A') == ''
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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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	println(c.replace('', '-'))
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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',
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		'dude',
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		'hello',
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		'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]',
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		'<b>',
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		'[/b]',
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		'</b>',
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		'[code]',
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		'<code>',
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		'[/code]',
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		'</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]',
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		'<b>',
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		'[/b]',
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		'</b>',
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	]) == '<b>cool</b>'
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	t := 'aaaaaaaa'
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	y := t.replace_each([
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		'aa',
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		'b',
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	])
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	assert y == 'bbbb'
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	s2 := 'hello_world hello'
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	assert s2.replace_each(['hello_world', 'aaa', 'hello', 'bbb']) == 'aaa bbb'
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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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	println(s.len)
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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.runes()
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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[1..4].string().len == 6
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	assert u[1..4].string() == 'рив'
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	assert s2.substr(1, 2) == 'r'
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	assert u[1..2].string() == 'р'
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	assert s2.runes()[1] == `r`
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	assert u[1] == `р`
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	first := u[0]
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	last := u[u.len - 1]
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	assert first.str().len == 2
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	assert last.str().len == 2
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}
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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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	assert ''.contains('')
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	assert 'abc'.contains('')
 | 
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}
 | 
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 | 
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fn test_contains_any() {
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	assert !'team'.contains_any('i')
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	assert 'fail'.contains_any('ui')
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	assert 'ure'.contains_any('ui')
 | 
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	assert 'failure'.contains_any('ui')
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	assert !'foo'.contains_any('')
 | 
						||
	assert !''.contains_any('')
 | 
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}
 | 
						||
 | 
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fn test_contains_any_substr() {
 | 
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	s := 'Some random text'
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	assert s.contains_any_substr(['false', 'not', 'rand'])
 | 
						||
	assert !s.contains_any_substr(['ABC', 'invalid'])
 | 
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	assert ''.contains_any_substr([])
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	assert 'abc'.contains_any_substr([''])
 | 
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}
 | 
						||
 | 
						||
fn test_arr_contains() {
 | 
						||
	a := ['a', 'b', 'c']
 | 
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	assert a.contains('b')
 | 
						||
	ints := [1, 2, 3]
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	assert ints.contains(2)
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}
 | 
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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.u8() == 7
 | 
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	assert s.u64() == 7
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	f := '71.5 hasdf'
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	// QTODO
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	assert f.f32() == 71.5
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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
 | 
						||
	assert big.i64() == 93993993939322
 | 
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}
 | 
						||
 | 
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/*
 | 
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fn test_inter_format_string() {
 | 
						||
	float_num := 1.52345
 | 
						||
	float_num_string := '-${float_num:.3f}-'
 | 
						||
	//assert float_num_string == '-1.523-'
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						||
	int_num := 7
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	int_num_string := '-${int_num:03d}-'
 | 
						||
	//assert int_num_string == '-007-'
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	ch := `a`
 | 
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	ch_string := '-${ch:c}-'
 | 
						||
	//assert ch_string == '-a-'
 | 
						||
	hex_n := 192
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						||
	hex_n_string := '-${hex_n:x}-'
 | 
						||
	assert hex_n_string == '-c0-'
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						||
	oct_n := 192
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	oct_n_string := '-${oct_n:o}-'
 | 
						||
	assert oct_n_string == '-300-'
 | 
						||
	str := 'abc'
 | 
						||
	str_string := '-${str:s}-'
 | 
						||
	assert str_string == '-abc-'
 | 
						||
}*/
 | 
						||
 | 
						||
/*
 | 
						||
fn test_hash() {
 | 
						||
	s := '10000'
 | 
						||
	assert s.hash() == 46730161
 | 
						||
	s2 := '24640'
 | 
						||
	assert s2.hash() == 47778736
 | 
						||
	s3 := 'Content-Type'
 | 
						||
	assert s3.hash() == 949037134
 | 
						||
	s4 := 'bad_key'
 | 
						||
	assert s4.hash() == -346636507
 | 
						||
	s5 := '24640'
 | 
						||
	// From a map collision test
 | 
						||
	assert s5.hash() % ((1 << 20) - 1) == s.hash() % ((1 << 20) - 1)
 | 
						||
	assert s5.hash() % ((1 << 20) - 1) == 592861
 | 
						||
}*/
 | 
						||
fn test_trim() {
 | 
						||
	assert 'banana'.trim('bna') == ''
 | 
						||
	assert 'abc'.trim('ac') == 'b'
 | 
						||
	assert 'aaabccc'.trim('ac') == 'b'
 | 
						||
}
 | 
						||
 | 
						||
fn test_trim_left() {
 | 
						||
	mut s := 'module main'
 | 
						||
	assert s.trim_left(' ') == 'module main'
 | 
						||
	s = ' module main'
 | 
						||
	assert s.trim_left(' ') == 'module main'
 | 
						||
	// test cutset
 | 
						||
	s = 'banana'
 | 
						||
	assert s.trim_left('ba') == 'nana'
 | 
						||
	assert s.trim_left('ban') == ''
 | 
						||
}
 | 
						||
 | 
						||
fn test_trim_right() {
 | 
						||
	mut s := 'module main'
 | 
						||
	assert s.trim_right(' ') == 'module main'
 | 
						||
	s = 'module main '
 | 
						||
	assert s.trim_right(' ') == 'module main'
 | 
						||
	// test cutset
 | 
						||
	s = 'banana'
 | 
						||
	assert s.trim_right('na') == 'b'
 | 
						||
	assert s.trim_right('ban') == ''
 | 
						||
}
 | 
						||
 | 
						||
fn test_all_before() {
 | 
						||
	s := 'fn hello fn'
 | 
						||
	assert s.all_before(' ') == 'fn'
 | 
						||
	assert s.all_before('2') == s
 | 
						||
	assert s.all_before('') == s
 | 
						||
}
 | 
						||
 | 
						||
fn test_all_before_last() {
 | 
						||
	s := 'fn hello fn'
 | 
						||
	assert s.all_before_last(' ') == 'fn hello'
 | 
						||
	assert s.all_before_last('2') == s
 | 
						||
	assert s.all_before_last('') == s
 | 
						||
}
 | 
						||
 | 
						||
fn test_all_after() {
 | 
						||
	s := 'fn hello'
 | 
						||
	assert s.all_after('fn ') == 'hello'
 | 
						||
	assert s.all_after('test') == s
 | 
						||
	assert s.all_after('') == s
 | 
						||
	assert s.after('e') == 'llo'
 | 
						||
	x := s.after('e')
 | 
						||
	assert x == 'llo'
 | 
						||
}
 | 
						||
 | 
						||
fn test_reverse() {
 | 
						||
	println('hello'.reverse())
 | 
						||
	assert 'hello'.reverse() == 'olleh'
 | 
						||
	assert ''.reverse() == ''
 | 
						||
	assert 'a'.reverse() == 'a'
 | 
						||
}
 | 
						||
 | 
						||
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_lower() {
 | 
						||
	mut s := 'A'
 | 
						||
	assert !s.is_lower()
 | 
						||
	assert s.to_lower() == 'a'
 | 
						||
	assert s.to_lower().len == 1
 | 
						||
	s = 'HELLO'
 | 
						||
	assert !s.is_lower()
 | 
						||
	assert s.to_lower() == 'hello'
 | 
						||
	assert s.to_lower().len == 5
 | 
						||
	s = 'Aloha'
 | 
						||
	assert !s.is_lower()
 | 
						||
	assert s.to_lower() == 'aloha'
 | 
						||
	s = 'Have A nice Day!'
 | 
						||
	assert !s.is_lower()
 | 
						||
	assert s.to_lower() == 'have a nice day!'
 | 
						||
	s = 'hi'
 | 
						||
	assert s.is_lower()
 | 
						||
	assert s.to_lower() == 'hi'
 | 
						||
	assert 'aloha!'[0] == `a`
 | 
						||
	assert 'aloha!'[5] == `!`
 | 
						||
}
 | 
						||
 | 
						||
fn test_upper() {
 | 
						||
	mut s := 'a'
 | 
						||
	assert !s.is_upper()
 | 
						||
	assert s.to_upper() == 'A'
 | 
						||
	assert s.to_upper().len == 1
 | 
						||
	s = 'hello'
 | 
						||
	assert !s.is_upper()
 | 
						||
	assert s.to_upper() == 'HELLO'
 | 
						||
	assert s.to_upper().len == 5
 | 
						||
	s = 'Aloha'
 | 
						||
	assert !s.is_upper()
 | 
						||
	assert s.to_upper() == 'ALOHA'
 | 
						||
	s = 'have a nice day!'
 | 
						||
	assert !s.is_upper()
 | 
						||
	assert s.to_upper() == 'HAVE A NICE DAY!'
 | 
						||
	s = 'HI'
 | 
						||
	assert s.is_upper()
 | 
						||
	assert s.to_upper() == 'HI'
 | 
						||
}
 | 
						||
 | 
						||
fn test_capitalize() {
 | 
						||
	mut s := 'hello'
 | 
						||
	assert !s.is_capital()
 | 
						||
	assert s.capitalize() == 'Hello'
 | 
						||
	s = 'test'
 | 
						||
	assert !s.is_capital()
 | 
						||
	assert s.capitalize() == 'Test'
 | 
						||
	s = 'i am ray'
 | 
						||
	assert !s.is_capital()
 | 
						||
	assert s.capitalize() == 'I am ray'
 | 
						||
	s = ''
 | 
						||
	assert !s.is_capital()
 | 
						||
	assert s.capitalize() == ''
 | 
						||
	s = 'TEST IT'
 | 
						||
	assert !s.is_capital()
 | 
						||
	assert s.capitalize() == 'TEST IT'
 | 
						||
	s = 'Test it'
 | 
						||
	assert s.is_capital()
 | 
						||
	assert s.capitalize() == 'Test it'
 | 
						||
	assert 'GameMission_t'.capitalize() == 'GameMission_t'
 | 
						||
}
 | 
						||
 | 
						||
fn test_title() {
 | 
						||
	mut s := 'hello world'
 | 
						||
	assert !s.is_title()
 | 
						||
	assert s.title() == 'Hello World'
 | 
						||
	s = 'HELLO WORLD'
 | 
						||
	assert !s.is_title()
 | 
						||
	assert s.title() == 'HELLO WORLD'
 | 
						||
	s = 'Hello World'
 | 
						||
	assert s.is_title()
 | 
						||
	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(a)
 | 
						||
	println('testing double quotes')
 | 
						||
	b := 'hi'
 | 
						||
	assert b == 'hi'
 | 
						||
	// assert a.str() == "'"
 | 
						||
}
 | 
						||
 | 
						||
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_starts_with() {
 | 
						||
	s := 'V Programming Language'
 | 
						||
	assert s.starts_with('V') == true
 | 
						||
	assert s.starts_with('V Programming') == true
 | 
						||
	assert s.starts_with('Language') == false
 | 
						||
}
 | 
						||
 | 
						||
fn test_starts_with_capital() {
 | 
						||
	assert 'A sentence'.starts_with_capital()
 | 
						||
	assert 'A paragraph. It also does.'.starts_with_capital()
 | 
						||
	assert ''.starts_with_capital() == false
 | 
						||
	assert 'no'.starts_with_capital() == false
 | 
						||
	assert ' No'.starts_with_capital() == false
 | 
						||
}
 | 
						||
 | 
						||
fn test_trim_string_left() {
 | 
						||
	s := 'V Programming Language'
 | 
						||
	assert s.trim_string_left('V ') == 'Programming Language'
 | 
						||
	assert s.trim_string_left('V Programming ') == 'Language'
 | 
						||
	assert s.trim_string_left('Language') == s
 | 
						||
 | 
						||
	s2 := 'TestTestTest'
 | 
						||
	assert s2.trim_string_left('Test') == 'TestTest'
 | 
						||
	assert s2.trim_string_left('TestTest') == 'Test'
 | 
						||
 | 
						||
	s3 := '123Test123Test'
 | 
						||
	assert s3.trim_string_left('123') == 'Test123Test'
 | 
						||
	assert s3.trim_string_left('123Test') == '123Test'
 | 
						||
}
 | 
						||
 | 
						||
fn test_trim_string_right() {
 | 
						||
	s := 'V Programming Language'
 | 
						||
	assert s.trim_string_right(' Language') == 'V Programming'
 | 
						||
	assert s.trim_string_right(' Programming Language') == 'V'
 | 
						||
	assert s.trim_string_right('V') == s
 | 
						||
 | 
						||
	s2 := 'TestTestTest'
 | 
						||
	assert s2.trim_string_right('Test') == 'TestTest'
 | 
						||
	assert s2.trim_string_right('TestTest') == 'Test'
 | 
						||
 | 
						||
	s3 := '123Test123Test'
 | 
						||
	assert s3.trim_string_right('123') == s3
 | 
						||
	assert s3.trim_string_right('123Test') == '123Test'
 | 
						||
}
 | 
						||
 | 
						||
fn test_raw() {
 | 
						||
	raw := r'raw\nstring'
 | 
						||
	lines := raw.split('\n')
 | 
						||
	println(lines)
 | 
						||
	assert lines.len == 1
 | 
						||
	println('raw string: "$raw"')
 | 
						||
 | 
						||
	raw2 := r'Hello V\0'
 | 
						||
	assert raw2[7] == `\\`
 | 
						||
	assert raw2[8] == `0`
 | 
						||
 | 
						||
	raw3 := r'Hello V\x00'
 | 
						||
	assert raw3[7] == `\\`
 | 
						||
	assert raw3[8] == `x`
 | 
						||
	assert raw3[9] == `0`
 | 
						||
	assert raw3[10] == `0`
 | 
						||
}
 | 
						||
 | 
						||
fn test_raw_with_quotes() {
 | 
						||
	raw := r"some'" + r'"thing' // " should be escaped in the generated C code
 | 
						||
	println(raw)
 | 
						||
	// assert raw[0] == `s`
 | 
						||
	// assert raw[5] == `"`
 | 
						||
	// assert raw[6] == `t`
 | 
						||
}
 | 
						||
 | 
						||
fn test_escape() {
 | 
						||
	a := 10
 | 
						||
	println("\"$a")
 | 
						||
	// assert "\"$a" == '"10'
 | 
						||
}
 | 
						||
 | 
						||
fn test_atoi() {
 | 
						||
	assert '234232'.int() == 234232
 | 
						||
	assert '-9009'.int() == -9009
 | 
						||
	assert '0'.int() == 0
 | 
						||
	for n in -10000 .. 100000 {
 | 
						||
		s := n.str()
 | 
						||
		assert s.int() == n
 | 
						||
	}
 | 
						||
}
 | 
						||
 | 
						||
fn test_raw_inter() {
 | 
						||
	world := 'world'
 | 
						||
	println(world)
 | 
						||
	s := r'hello\n$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_comptime_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 $b' == '1 2'
 | 
						||
}
 | 
						||
 | 
						||
fn foo(b u8) u8 {
 | 
						||
	return b - 10
 | 
						||
}
 | 
						||
 | 
						||
fn filter(b u8) bool {
 | 
						||
	return b != `a`
 | 
						||
}
 | 
						||
 | 
						||
/*
 | 
						||
fn test_split_into_lines() {
 | 
						||
	line_content := 'Line'
 | 
						||
	text_crlf := '$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_string_literal_with_backslash() {
 | 
						||
	a := 'HelloWorld'
 | 
						||
	assert a == 'HelloWorld'
 | 
						||
 | 
						||
	b := 'OneTwoThree'
 | 
						||
	assert b == 'OneTwoThree'
 | 
						||
}
 | 
						||
 | 
						||
/*
 | 
						||
type MyString = string
 | 
						||
 | 
						||
fn test_string_alias() {
 | 
						||
	s := MyString('hi')
 | 
						||
	ss := s + '!'
 | 
						||
}
 | 
						||
*/
 | 
						||
 | 
						||
// sort an array of structs, by their string field values
 | 
						||
 | 
						||
struct Ka {
 | 
						||
	s string
 | 
						||
	i int
 | 
						||
}
 | 
						||
 | 
						||
fn test_sorter() {
 | 
						||
	mut arr := [
 | 
						||
		Ka{
 | 
						||
			s: 'bbb'
 | 
						||
			i: 100
 | 
						||
		},
 | 
						||
		Ka{
 | 
						||
			s: 'aaa'
 | 
						||
			i: 101
 | 
						||
		},
 | 
						||
		Ka{
 | 
						||
			s: 'ccc'
 | 
						||
			i: 102
 | 
						||
		},
 | 
						||
	]
 | 
						||
	cmp := fn (a &Ka, b &Ka) int {
 | 
						||
		return compare_strings(a.s, b.s)
 | 
						||
	}
 | 
						||
	arr.sort_with_compare(cmp)
 | 
						||
	assert arr[0].s == 'aaa'
 | 
						||
	assert arr[0].i == 101
 | 
						||
	assert arr[1].s == 'bbb'
 | 
						||
	assert arr[1].i == 100
 | 
						||
	assert arr[2].s == 'ccc'
 | 
						||
	assert arr[2].i == 102
 | 
						||
}
 | 
						||
 | 
						||
fn test_fields() {
 | 
						||
	assert 'a bcde'.fields() == ['a', 'bcde']
 | 
						||
	assert '  sss \t  ssss '.fields() == ['sss', 'ssss']
 | 
						||
	assert '\n xyz \t abc   def'.fields() == ['xyz', 'abc', 'def']
 | 
						||
	assert 'hello'.fields() == ['hello']
 | 
						||
	assert ''.fields() == []
 | 
						||
}
 | 
						||
 | 
						||
/*
 | 
						||
fn test_interpolation_after_quoted_variable_still_works() {
 | 
						||
	rr := 'abc'
 | 
						||
	tt := 'xyz'
 | 
						||
 | 
						||
	// Basic interpolation, no internal quotes
 | 
						||
	yy := 'Replacing $rr with $tt'
 | 
						||
	assert yy == 'Replacing abc with xyz'
 | 
						||
 | 
						||
	// Interpolation after quoted variable ending with 'r'quote
 | 
						||
	// that may be mistaken with the start of a raw string,
 | 
						||
	// ensure that it is not.
 | 
						||
	ss := 'Replacing "$rr" with "$tt"'
 | 
						||
	assert ss == 'Replacing "abc" with "xyz"'
 | 
						||
	zz := "Replacing '$rr' with '$tt'"
 | 
						||
	assert zz == "Replacing 'abc' with 'xyz'"
 | 
						||
 | 
						||
	// Interpolation after quoted variable ending with 'c'quote
 | 
						||
	// may be mistaken with the start of a c string, so
 | 
						||
	// check it is not.
 | 
						||
	cc := 'abc'
 | 
						||
	ccc := "Replacing '$cc' with '$tt'"
 | 
						||
	assert ccc == "Replacing 'abc' with 'xyz'"
 | 
						||
	cccq := 'Replacing "$cc" with "$tt"'
 | 
						||
	assert cccq == 'Replacing "abc" with "xyz"'
 | 
						||
}
 | 
						||
*/
 | 
						||
fn test_index_any() {
 | 
						||
	x := 'abcdefghij'
 | 
						||
	assert x.index_any('ef') == 4
 | 
						||
	assert x.index_any('fe') == 4
 | 
						||
}
 |