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LinkedList_test.go
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LinkedList_test.go
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package d8astruct
import (
"fmt"
"github.com/stretchr/testify/assert"
"testing"
)
func TestLinkedList_Print(t *testing.T) {
ll := LinkedList{}
n1 := &llNode{data: "Hello, World"}
n2 := &llNode{data: 412}
ll.First(n1)
ll.First(n2)
fLength := ll.Length()
fmt.Println(fLength)
ll.Print()
nLength := ll.Length()
fmt.Println(nLength)
}
func TestLinkedList_AddFirst(t *testing.T) {
ll := LinkedList{}
n1 := &llNode{data: "Hello, World"}
n2 := &llNode{data: 412}
ll.First(n1)
ll.First(n2)
assert.Equal(t, n2, ll.GetFirst())
}
func TestLinkedList_Add(t *testing.T) {
ll := LinkedList{}
ll.Add(412)
ll.Add("Hello, World")
assert.Equal(t, "Hello, World", ll.GetLast())
}
func TestLinkedList_GetFirst(t *testing.T) {
t.Run("Assert GetFirst returns nil with empty list", func(t *testing.T) {
ll := LinkedList{}
var got = ll.GetFirst()
assert.Nil(t, got)
})
t.Run("Assert GetFirst gets the correct item", func(t *testing.T) {
ll := LinkedList{}
n1 := &llNode{data: "Hello, World"}
n2 := &llNode{data: 412}
ll.First(n1)
ll.First(n2)
assert.Equal(t, n2, ll.GetFirst())
})
}
func TestLinkedList_GetLast(t *testing.T) {
t.Run("Assert GetLast returns nil with empty list", func(t *testing.T) {
ll := LinkedList{}
var got = ll.GetLast()
assert.Nil(t, got)
})
t.Run("Assert GetLast gets the correct item", func(t *testing.T) {
ll := LinkedList{}
n1 := &llNode{data: "Hello, World"}
n2 := &llNode{data: 412}
n3 := &llNode{data: 121}
ll.First(n1)
ll.First(n2)
ll.First(n3)
assert.Equal(t, n1, ll.GetLast())
})
}