v2 / vlib / v / tests / builtin_maps / map_to_string_test.v
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1struct Test {


2    a bool


3    b int


4    y string


5}


6


7fn test_interpolation_map_to_string() {


8    mut a := map[string]string{}


9    a['1'] = 'one'


10    a['2'] = 'two'


11    a['3'] = 'three'


12    assert '${a}' == "{'1': 'one', '2': 'two', '3': 'three'}"


13


14    mut b := map[string]int{}


15    b['1'] = 1


16    b['2'] = 2


17    b['3'] = 3


18    assert '${b}' == "{'1': 1, '2': 2, '3': 3}"


19


20    mut c := map[string]bool{}


21    c['1'] = true


22    c['2'] = false


23    assert '${c}' == "{'1': true, '2': false}"


24


25    d := {


26        'f1': 1.1


27        'f2': 2.2


28        'f3': 3.3


29        'f4': 4.4


30    }


31    println('d: ${d}')


32    assert '${d}' == "{'f1': 1.1, 'f2': 2.2, 'f3': 3.3, 'f4': 4.4}"


33


34    mut e := map[string]Test{}


35    e['1'] = Test{true, 0, 'abc'}


36    e['2'] = Test{true, 1, 'def'}


37    e['3'] = Test{false, 2, 'ghi'}


38    s := '${e}'


39    assert s.contains("{'1': Test{")


40    assert s.contains('a: true')


41    assert s.contains("y: 'abc'")


42    assert s.contains("}, '2': Test{")


43    assert s.contains("y: 'def'")


44


45    f := {


46        'hello': [1, 2, 3]!


47    }


48    assert '${f}' == "{'hello': [1, 2, 3]}"


49}


50


51fn test_interpolation_map_to_string_with_delete() {


52    mut m1 := map[string]int{}


53    m1['one'] = 1


54    m1['two'] = 2


55    m1.delete('two')


56    println(m1)


57    assert '${m1}' == "{'one': 1}"


58


59    mut m2 := map[string]int{}


60    m2['one'] = 1


61    m2['two'] = 2


62    m2.delete('one')


63    println(m2)


64    assert '${m2}' == "{'two': 2}"


65}


66