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linked_list_test.go
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linked_list_test.go
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package list
import (
"fmt"
"testing"
)
func TestLinkedList(t *testing.T) {
// Test Prepend/Get
l := NewList()
l.Prepend(NewNode(1))
l.Prepend(NewNode(2))
l.Prepend(NewNode(3))
zero := *slice(l.Get(0))[0].(*Node).Value.(*Node)
one := *slice(l.Get(1))[0].(*Node).Value.(*Node)
two := *slice(l.Get(2))[0].(*Node).Value.(*Node)
if zero != *NewNode(3) ||
one != *NewNode(2) ||
two != *NewNode(1) {
fmt.Println(*one.Value.(*Node), *NewNode(2))
fmt.Println(zero.Value)
fmt.Println(one.Value)
fmt.Println(two.Value)
t.Error()
}
// Test Append
k := NewList()
k.Append(NewNode(1))
k.Append(NewNode(2))
k.Append(NewNode(3))
zero = *slice(k.Get(0))[0].(*Node).Value.(*Node)
one = *slice(k.Get(1))[0].(*Node).Value.(*Node)
two = *slice(k.Get(2))[0].(*Node).Value.(*Node)
if zero != *NewNode(1) ||
one != *NewNode(2) ||
two != *NewNode(3) {
fmt.Println(zero.Value)
fmt.Println(one.Value)
fmt.Println(two.Value)
t.Error()
}
// Test Add
k.Add(NewNode(8), 1)
zero = *slice(k.Get(0))[0].(*Node).Value.(*Node)
one = *slice(k.Get(1))[0].(*Node).Value.(*Node)
two = *slice(k.Get(2))[0].(*Node).Value.(*Node)
if zero != *NewNode(1) ||
one != *NewNode(8) ||
two != *NewNode(2) {
fmt.Println(zero.Value)
fmt.Println(one.Value)
fmt.Println(two.Value)
t.Error()
}
// Test Concat
l.Concat(k)
if l.Len() != 7 {
t.Error()
}
// Test Each
counter := 0
f := func(node *Node) {
counter += node.Value.(int)
}
l.Map(f)
if counter != 20 {
t.Error()
}
// Test Find
index, _ := l.Find(NewNode(1))
if index != 3 {
fmt.Println(index)
t.Error()
}
// Test Remove
l.Remove(*NewNode(8))
counter = 0
l.Map(func(n *Node) {
counter += n.Value.(int)
})
if counter != 12 {
t.Error()
}
// Test Clear
l.Clear()
if l.Len() != 0 {
t.Error()
}
}
func slice(args ...interface{}) []interface{} {
return args
}