953 lines
20 KiB
V
953 lines
20 KiB
V
import strings
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// Copyright (c) 2019-2021 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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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 = [
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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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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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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_left_right() {
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s := 'ALOHA'
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assert s[..3] == 'ALO'
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assert s[..0] == ''
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assert s[..5] == s
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assert s[3..] == 'HA'
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// assert s.right(6) == ''
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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 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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assert ''.contains('')
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assert 'abc'.contains('')
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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('')
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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'])
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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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}
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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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// 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
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assert big.i64() == 93993993939322
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}
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fn test_inter_format_string() {
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float_num := 1.52345
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float_num_string := '-${float_num:.3f}-'
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assert float_num_string == '-1.523-'
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int_num := 7
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int_num_string := '-${int_num:03d}-'
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assert int_num_string == '-007-'
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ch := `a`
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ch_string := '-${ch:c}-'
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assert ch_string == '-a-'
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hex_n := 192
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hex_n_string := '-${hex_n:x}-'
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assert hex_n_string == '-c0-'
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oct_n := 192
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oct_n_string := '-${oct_n:o}-'
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assert oct_n_string == '-300-'
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str := 'abc'
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str_string := '-${str:s}-'
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assert str_string == '-abc-'
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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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assert s.trim_left('ban') == ''
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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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assert s.trim_right('ban') == ''
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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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}
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fn test_all_after() {
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s := 'fn hello'
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assert s.all_after('fn ') == 'hello'
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assert s.all_after('test') == s
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assert s.all_after('') == s
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assert s.after('e') == 'llo'
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x := s.after('e')
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assert x == 'llo'
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}
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fn test_reverse() {
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assert 'hello'.reverse() == 'olleh'
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assert ''.reverse() == ''
|
||
assert 'a'.reverse() == 'a'
|
||
}
|
||
|
||
fn test_bytes_to_string() {
|
||
mut buf := vcalloc(10)
|
||
unsafe {
|
||
buf[0] = `h`
|
||
buf[1] = `e`
|
||
buf[2] = `l`
|
||
buf[3] = `l`
|
||
buf[4] = `o`
|
||
}
|
||
assert unsafe { buf.vstring() } == 'hello'
|
||
assert unsafe { buf.vstring_with_len(2) } == 'he'
|
||
bytes := [byte(`h`), `e`, `l`, `l`, `o`]
|
||
assert bytes.bytestr() == 'hello'
|
||
}
|
||
|
||
fn test_charptr() {
|
||
foo := &char('VLANG'.str)
|
||
println(typeof(foo).name)
|
||
assert typeof(foo).name == '&char'
|
||
assert unsafe { foo.vstring() } == 'VLANG'
|
||
assert unsafe { foo.vstring_with_len(3) } == 'VLA'
|
||
}
|
||
|
||
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('testing double quotes')
|
||
b := 'hi'
|
||
assert b == 'hi'
|
||
assert a.str() == "'"
|
||
}
|
||
|
||
fn test_ustring_comparisons() {
|
||
/*
|
||
QTODO
|
||
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_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_trim_prefix() {
|
||
s := 'V Programming Language'
|
||
assert s.trim_prefix('V ') == 'Programming Language'
|
||
assert s.trim_prefix('V Programming ') == 'Language'
|
||
assert s.trim_prefix('Language') == s
|
||
|
||
s2 := 'TestTestTest'
|
||
assert s2.trim_prefix('Test') == 'TestTest'
|
||
assert s2.trim_prefix('TestTest') == 'Test'
|
||
|
||
s3 := '123Test123Test'
|
||
assert s3.trim_prefix('123') == 'Test123Test'
|
||
assert s3.trim_prefix('123Test') == '123Test'
|
||
}
|
||
|
||
fn test_trim_suffix() {
|
||
s := 'V Programming Language'
|
||
assert s.trim_suffix(' Language') == 'V Programming'
|
||
assert s.trim_suffix(' Programming Language') == 'V'
|
||
assert s.trim_suffix('V') == s
|
||
|
||
s2 := 'TestTestTest'
|
||
assert s2.trim_suffix('Test') == 'TestTest'
|
||
assert s2.trim_suffix('TestTest') == 'Test'
|
||
|
||
s3 := '123Test123Test'
|
||
assert s3.trim_suffix('123') == s3
|
||
assert s3.trim_suffix('123Test') == '123Test'
|
||
}
|
||
|
||
fn test_raw() {
|
||
raw := r'raw\nstring'
|
||
lines := raw.split('\n')
|
||
println(lines)
|
||
assert lines.len == 1
|
||
println('raw string: "$raw"')
|
||
|
||
raw2 := r'Hello V\0'
|
||
assert raw2[7] == `\\`
|
||
assert raw2[8] == `0`
|
||
|
||
raw3 := r'Hello V\x00'
|
||
assert raw3[7] == `\\`
|
||
assert raw3[8] == `x`
|
||
assert raw3[9] == `0`
|
||
assert raw3[10] == `0`
|
||
}
|
||
|
||
fn test_raw_with_quotes() {
|
||
raw := r"some'" + r'"thing' // " should be escaped in the generated C code
|
||
assert raw[0] == `s`
|
||
assert raw[5] == `"`
|
||
assert raw[6] == `t`
|
||
}
|
||
|
||
fn test_escape() {
|
||
a := 10
|
||
println("\"$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_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 $b' == '1 2'
|
||
}
|
||
|
||
fn foo(b byte) byte {
|
||
return b - 10
|
||
}
|
||
|
||
fn filter(b byte) bool {
|
||
return b != `a`
|
||
}
|
||
|
||
fn test_split_into_lines() {
|
||
line_content := 'Line'
|
||
text_crlf := '$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"'
|
||
}
|