mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
104 lines
3.0 KiB
V
104 lines
3.0 KiB
V
import time
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fn test_match_glob_on_empty_string() {
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assert ''.match_glob('')
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assert !''.match_glob('x')
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}
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fn test_match_glob_on_x() {
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assert !'x'.match_glob('')
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assert 'x'.match_glob('x')
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assert 'xxx'.match_glob('*x')
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assert 'xxx'.match_glob('x*')
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}
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fn test_match_glob_on_abc() {
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assert !'abc'.match_glob('')
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assert 'abc'.match_glob('*')
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//
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assert !'abc'.match_glob('ab')
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assert 'abc'.match_glob('abc')
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assert 'abc'.match_glob('abc*')
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//
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assert 'abc'.match_glob('*c')
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assert !'abc'.match_glob('*b')
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assert 'abc'.match_glob('*bc')
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assert 'abc'.match_glob('*abc')
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//
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assert 'abc'.match_glob('a*')
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assert !'abc'.match_glob('b*')
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assert 'abc'.match_glob('a*c')
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//
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assert 'abc'.match_glob('ab?')
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assert 'abc'.match_glob('a??')
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assert 'abc'.match_glob('???')
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assert !'abc'.match_glob('??')
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assert !'abc'.match_glob('?')
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}
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fn test_match_glob_on_a() {
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assert 'a'.match_glob('a')
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assert 'a'.match_glob('?')
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assert !'a'.match_glob('??')
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assert 'a'.match_glob('*')
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assert 'a'.match_glob('a*')
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assert 'a'.match_glob('*a')
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}
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fn test_match_glob_with_any_charset_patterns() {
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assert 'axbxcxdxe'.match_glob('*c[xyz]d*')
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assert 'axbxcxdxe'.match_glob('*c[yxz]d*')
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assert 'axbxcxdxe'.match_glob('*c[zyx]d*')
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//
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assert 'axbxcxdxe'.match_glob('*dx[QeW]')
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assert 'axbxcxdxe'.match_glob('*dx[QeW]*')
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//
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assert !'axbxcxdxe'.match_glob('*bx[QcW]')
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assert 'axbxcxdxe'.match_glob('*bx[QcW]*')
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//
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assert !'axbxcxdxe'.match_glob('*zx[QeW]')
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assert !'axbxcxdxe'.match_glob('*zx[QeW]*')
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}
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fn test_match_glob_with_none_of_charset_patterns() {
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assert 'axbxcxdxe'.match_glob('*c[^XYZ]d*')
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assert !'axbxcxdxe'.match_glob('*c[^xYZ]d*')
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assert !'axbxcxdxe'.match_glob('*c[^YxZ]d*')
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assert !'axbxcxdxe'.match_glob('*c[^YZx]d*')
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}
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fn test_match_glob_with_escaped_metachars() {
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assert 'axbx?cxdxe'.match_glob('*x[?]c*')
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assert !'axbxXcxdxe'.match_glob('*x[?]c*')
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assert 'zaxbx*cxdxez'.match_glob('*x[Q*W]c*')
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assert 'zaxbx*cxdxez'.match_glob('*x[QW*]c*')
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assert 'zaxbx*cxdxez'.match_glob('*bx[*QW]c*')
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assert 'zaxbW*cxdxez'.match_glob('*W[*nmk]c*')
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assert 'zaxbW*cxdxez'.match_glob('*W[n*mk]c*')
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assert 'zaxbW*cxdxez'.match_glob('*W[nm*k]c*')
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assert 'zaxbW*cxdxez'.match_glob('*W[nmk*]c*')
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}
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fn test_match_glob_with_complex_patterns() {
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assert 'axbxcxdxe'.match_glob('*xdx*')
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assert !'axbxcxdxe'.match_glob('*xzx*')
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assert 'axbxcxdxe'.match_glob('a*b*c*d*e*')
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assert 'axbxcxdxexxx'.match_glob('a*b*c*d*e*')
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assert 'abxbbxdbxebxczzx'.match_glob('a*b?c*x')
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assert !'abxbbxdbxebxczzy'.match_glob('a*b?c*x')
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}
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fn test_match_glob_search_is_linear() {
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// Note: these are pathological cases, when matches are performed
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// using the exponential recursive approach, that can take many
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// seconds, even minutes, but take usually only microseconds,
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// using the linear approach from https://research.swtch.com/glob
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// that does not backtrack.
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long_a := 'a'.repeat(500)
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sw := time.new_stopwatch()
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assert !long_a.match_glob('a*a*a*a*b')
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assert sw.elapsed().milliseconds() < 10
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assert !long_a.match_glob('a*a*a*a*a*a*a*a*a*b')
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assert sw.elapsed().milliseconds() < 10
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}
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