v2 / vlib / v / tests / comptime / comptime_match_value_check_test.v
114 lines · 105 sloc · 1.21 KB · 603cd903374f915e72df23d559d648f5804ae770
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1const version = 123


2const other = 456


3


4fn test_comptime_match_value_check() {


5    x := version


6    mut result := ''


7


8    $match x {


9        1 {


10            result += 'v1'


11        }


12        2 {


13            result += 'v2'


14        }


15        3 {


16            result += 'v3'


17        }


18        123 {


19            result += 'v123'


20        }


21        $else {


22            result += 'unknown'


23        }


24    }


25    assert result == 'v123'


26


27    result = ''


28    y := true


29    $match y {


30        true {


31            result += 'true'


32        }


33        false {


34            result += 'false'


35        }


36    }


37    assert result == 'true'


38


39    result = ''


40    z := 'abc'


41    $match z {


42        '123' {


43            result += 'a'


44        }


45        'abc' {


46            result += 'b'


47        }


48        $else {


49            result += 'c'


50        }


51    }


52    assert result == 'b'


53}


54


55fn test_comptime_match_value_check_reverse() {


56    x := version


57    y := 124


58    z := 125


59


60    mut result := ''


61    $match 124 {


62        x {


63            result += 'x'


64        }


65        y {


66            result += 'y'


67        }


68        z {


69            result += 'z'


70        }


71    }


72


73    assert result == 'y'


74


75    result = ''


76    a := true


77    b := true


78    c := false


79    $match true {


80        a {


81            result += 'a'


82        }


83        b {


84            result += 'b'


85        }


86        c {


87            result += 'c'


88        }


89        $else {


90            result += 'else'


91        }


92    }


93    assert result == 'a'


94


95    result = ''


96    s1 := '123'


97    s2 := 'abc'


98    s3 := 'kml'


99    $match 'abc' {


100        s1 {


101            result += 'a'


102        }


103        s2 {


104            result += 'b'


105        }


106        s3 {


107            result += 'c'


108        }


109        $else {


110            result += 'else'


111        }


112    }


113    assert result == 'b'


114}


115