v2 / vlib / hash / fnv1a / fnv1a_test.v
67 lines · 61 sloc · 1.11 KB · 19f080ffb8f8f01976692f6b79d9f857c685e109
Raw 


1import hash.fnv1a


2


3struct MyStruct {


4mut:


5    x int


6    y int


7    z int


8}


9


10struct Abc {


11mut:


12    a [5]u64


13}


14


15fn test_fnv1a_sum32() {


16    $if windows {


17        return


18    }


19    ahash := '10bc2abf'


20    a := 'apple'


21    b := fnv1a.sum32_string(a)


22    c := fnv1a.sum32(a.bytes())


23    d := unsafe { fnv1a.sum32_bytes(a.str, a.len) }


24    assert b.hex() == ahash


25    assert c.hex() == ahash


26    assert d.hex() == ahash


27


28    mut aa := Abc{}


29    x := fnv1a.sum32_struct(aa)


30    aa.a[3] = 5


31    y := fnv1a.sum32_struct(aa)


32    assert x != y


33    mut ms := MyStruct{}


34    xx := fnv1a.sum32_struct(ms)


35    ms.x = 77


36    yy := fnv1a.sum32_struct(ms)


37    assert xx != yy


38    assert x != xx


39    assert y != yy


40}


41


42fn test_fnv1a_sum64() {


43    $if windows {


44        return


45    }


46    a := 'apple'


47    ahash := 'f74a62a458befdbf'


48    b := fnv1a.sum64_string(a)


49    c := fnv1a.sum64(a.bytes())


50    d := unsafe { fnv1a.sum64_bytes(a.str, a.len) }


51    assert b.hex() == ahash


52    assert c.hex() == ahash


53    assert d.hex() == ahash


54


55    mut aa := Abc{}


56    x := fnv1a.sum64_struct(aa)


57    aa.a[3] = 5


58    y := fnv1a.sum64_struct(aa)


59    assert x != y


60    mut ms := MyStruct{}


61    xx := fnv1a.sum64_struct(ms)


62    ms.x = 77


63    yy := fnv1a.sum64_struct(ms)


64    assert xx != yy


65    assert x != xx


66    assert y != yy


67}


68