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test(listx): test range

This commit is contained in:
bandl 2021-10-22 22:01:58 +08:00
parent 8883abd461
commit 74e42e78ac
1 changed files with 27 additions and 0 deletions
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27
pkg/structure/listx/listx_test.go
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@ -177,3 +177,30 @@ func TestListx_Slice(t *testing.T) {
values, _ = list3.LPop(list3.Length())
require.Equal(t, values, []string{"1", "2", "3", "4"})
}
func TestListx_Range(t *testing.T) {
list := NewListXSingle()
list.RPush("a", "b", "c", "d", "e")
val, err := list.Range(0, 2)
require.NoError(t, err)
require.Equal(t, val, []string{"a", "b"})
val, err = list.Range(0, -1)
require.NoError(t, err)
require.Equal(t, val, []string{"a", "b", "c", "d"})
val, err = list.Range(-3, 3)
require.NoError(t, err)
require.Equal(t, val, []string{"c"})
val, err = list.Range(-1, list.Length())
require.NoError(t, err)
require.Equal(t, val, []string{})
_, err = list.Range(6, -1)
require.Error(t, err)
}