v2 / vlib / v / tests / nested_map_test.v
46 lines · 41 sloc · 881 bytes · 19f080ffb8f8f01976692f6b79d9f857c685e109
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1fn test_map_of_map() {


2    mut x := map[string]map[string]int{}


3    x['a'] = map[string]int{}


4    assert x['a']['b'] == 0


5    x['a']['b'] = 5


6    assert x['a']['b'] == 5


7    x['a']['b'] = 7


8    assert x['a']['b'] == 7


9}


10


11fn test_map_of_map_of_map() {


12    mut y := map[string]map[string]map[string]int{}


13    y['a'] = map[string]map[string]int{}


14    y['a']['b'] = map[string]int{}


15    assert y['a']['b']['c'] == 0


16    y['a']['b']['c'] = 5


17    assert y['a']['b']['c'] == 5


18    y['a']['b']['c'] = 7


19    assert y['a']['b']['c'] == 7


20}


21


22struct Foo {


23mut:


24    name string


25}


26


27fn test_map_of_map_to_struct() {


28    mut foos := map[string]map[string]Foo{}


29    foos['zza']['zzb'] = Foo{'bar'}


30    assert foos['zza']['zzb'].name == 'bar'


31


32    foos['zza']['zzb'].name = 'baz'


33    assert foos['zza']['zzb'].name == 'baz'


34}


35


36fn test_map_of_map_key_plus_assign() {


37    m := {


38        'a': 'x'


39    }


40    mut n := {


41        'x': 1


42    }


43    n[m['a']] += 2


44    println(n)


45    assert n['x'] == 3


46}


47