v8.run/go/exp@v0.0.26-0.20230226010534-afcdbd3f782d/util/slice/copy_test.go (about)

     1  package slice
     2  
     3  import (
     4  	"reflect"
     5  	"testing"
     6  )
     7  
     8  func TestCopy(t *testing.T) {
     9  	type args struct {
    10  		s []int
    11  	}
    12  	tests := []struct {
    13  		name string
    14  		args args
    15  		want []int
    16  	}{
    17  		{
    18  			name: "Copy len=1 cap=5",
    19  			args: args{
    20  				s: []int{1, 2, 3, 4, 5}[:1],
    21  			},
    22  			want: []int{1, 2, 3, 4, 5}[:1],
    23  		},
    24  		{
    25  			name: "Copy len=5 cap=5",
    26  			args: args{
    27  				s: []int{1, 2, 3, 4, 5}[:5],
    28  			},
    29  			want: []int{1, 2, 3, 4, 5}[:5],
    30  		},
    31  	}
    32  	for _, tt := range tests {
    33  		t.Run(tt.name, func(t *testing.T) {
    34  			if got := Copy(tt.args.s); !reflect.DeepEqual(got[:cap(got)], tt.want[:cap(tt.want)]) {
    35  				t.Errorf("Copy() = %v, want %v", got, tt.want)
    36  			}
    37  		})
    38  	}
    39  }