github.com/kaydxh/golang@v0.0.131/go/container/set/set_test.go (about)

     1  package set_test
     2  
     3  import (
     4  	"testing"
     5  
     6  	set_ "github.com/kaydxh/golang/go/container/set"
     7  )
     8  
     9  func TestGenericSetNew(t *testing.T) {
    10  	s := set_.New[int]()
    11  	s.Insert(2)
    12  	t.Logf("s: %v", s)
    13  }
    14  
    15  func TestGenericSetInsert(t *testing.T) {
    16  	s := set_.New("10", "2", "5")
    17  	s.Insert("a", "d", "e")
    18  	if len(s) != 5 {
    19  		t.Errorf("Expected  len=5: %d", len(s))
    20  	}
    21  
    22  	if !s.Has("a") || !s.Has("b") || !s.Has("c") || !s.Has("d") || !s.Has("e") {
    23  		t.Errorf("UnExpected  contents: %#v", s)
    24  	}
    25  
    26  	//%v output value
    27  	//map[a:{} b:{} c:{} d:{} e:{}]
    28  	t.Logf("s: %v", s)
    29  
    30  	//%+v output field name + value
    31  	//map[a:{} b:{} c:{} d:{} e:{}]
    32  	t.Logf("s: %+v", s)
    33  
    34  	//%#v output struct name + field name + value
    35  	//set.Object{"a":set.Empty{}, "b":set.Empty{}, "c":set.Empty{}, "d":set.Empty{}, "e":set.Empty{}}
    36  	t.Logf("s: %#v", s)
    37  
    38  	//[a b c d e]
    39  	t.Logf("s: %v", s.List())
    40  
    41  }
    42  
    43  func TestGenericSetEquals(t *testing.T) {
    44  
    45  	a := set_.New("1", "2")
    46  	b := set_.New("2", "1")
    47  
    48  	if !a.Equal(b) {
    49  		t.Errorf("Expected to be equal: %v vs %v", a, b)
    50  	}
    51  
    52  	//It is a set; duplicates are ignored
    53  	b = set_.New("2", "1", "1")
    54  	if !a.Equal(b) {
    55  		t.Errorf("Expected to be equal: %v vs %v", a, b)
    56  	}
    57  }
    58  
    59  func TestGenericSetUnion(t *testing.T) {
    60  	tests := []struct {
    61  		s1       set_.Set[string]
    62  		s2       set_.Set[string]
    63  		expected set_.Set[string]
    64  	}{
    65  		{
    66  			set_.New("1", "2", "3", "4"),
    67  			set_.New("3", "4", "5", "6"),
    68  			set_.New("1", "2", "3", "4", "5", "6"),
    69  		},
    70  		{
    71  			set_.New("1", "2", "3", "4"),
    72  			set_.New[string](),
    73  			set_.New("1", "2", "3", "4"),
    74  		},
    75  		{
    76  			set_.New[string](),
    77  			set_.New("1", "2", "3", "4"),
    78  			set_.New("1", "2", "3", "4"),
    79  		},
    80  		{
    81  			set_.New[string](),
    82  			set_.New[string](),
    83  			set_.New[string](),
    84  		},
    85  	}
    86  
    87  	for _, test := range tests {
    88  		union := test.s1.Union(test.s2)
    89  		if union.Len() != test.expected.Len() {
    90  			t.Errorf("Expected union.Len()=%d but got %d", test.expected.Len(), union.Len())
    91  		}
    92  
    93  		if !union.Equal(test.expected) {
    94  			t.Errorf(
    95  				"Expected union.Equal(expected) but not true.  union:%v expected:%v",
    96  				union.List(),
    97  				test.expected.List(),
    98  			)
    99  		}
   100  	}
   101  
   102  }