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package student_test
import (
"strconv"
"testing"
solution "./solutions"
student "./student"
"github.com/01-edu/z01"
)
type Node8 = student.NodeL
type List8 = solution.List
type NodeS8 = solution.NodeL
type ListS8 = student.List
// function to apply, in listforeachif
func addOneS(node *NodeS8) {
data := node.Data.(int)
data++
node.Data = interface{}(data)
}
// function to apply, in listforeachif
func addOne(node *Node8) {
data := node.Data.(int)
data++
node.Data = interface{}(data)
}
func subtract1_sol(node *NodeS8) {
data := node.Data.(int)
data--
node.Data = interface{}(data)
}
func subtractOne(node *Node8) {
data := node.Data.(int)
data--
node.Data = interface{}(data)
}
func listToStringStu7(l *ListS8) string {
var res string
it := l.Head
for it != nil {
switch it.Data.(type) {
case int:
res += strconv.Itoa(it.Data.(int)) + "-> "
case string:
res += it.Data.(string) + "-> "
}
it = it.Next
}
res += "<nil>"
return res
}
func listPushBackTest8(l *ListS8, l1 *List8, data interface{}) {
n := &Node8{Data: data}
n1 := &NodeS8{Data: data}
if l.Head == nil {
l.Head = n
} else {
iterator := l.Head
for iterator.Next != nil {
iterator = iterator.Next
}
iterator.Next = n
}
if l1.Head == nil {
l1.Head = n1
} else {
iterator1 := l1.Head
for iterator1.Next != nil {
iterator1 = iterator1.Next
}
iterator1.Next = n1
}
}
func comparFuncList8(l *List8, l1 *ListS8, t *testing.T, f func(*Node8) bool, comp func(*Node8)) {
funcFName := solution.GetName(f)
funcComp := solution.GetName(comp)
for l.Head != nil || l1.Head != nil {
if (l.Head == nil && l1.Head != nil) || (l.Head != nil && l1.Head == nil) {
t.Fatalf("\nstudent list:%s\nlist:%s\nfunction f used: %s\nfunction comp: %s\n\nListForEachIf() == %v instead of %v\n\n",
listToStringStu7(l1), solution.ListToString(l.Head), funcComp, funcFName, l1.Head, l.Head)
return
} else if l.Head.Data != l1.Head.Data {
t.Fatalf("\nstudent list:%s\nlist:%s\nfunction f used: %s\nfunction comp: %s\n\nListForEachIf() == %v instead of %v\n\n",
listToStringStu7(l1), solution.ListToString(l.Head), funcComp, funcFName, l1.Head.Data, l.Head.Data)
return
}
l.Head = l.Head.Next
l1.Head = l1.Head.Next
}
}
// exercise 10
// applies a function to an element of the linked solution.ListS
func TestListForEachIf(t *testing.T) {
link := &ListS8{}
link2 := &List8{}
table := []solution.NodeTest{}
table = append(table,
solution.NodeTest{
Data: []interface{}{},
},
)
// just numbers/ints
for i := 0; i < 3; i++ {
val := solution.NodeTest{
Data: solution.ConvertIntToInterface(z01.MultRandInt()),
}
table = append(table, val)
}
// just strings
for i := 0; i < 3; i++ {
val := solution.NodeTest{
Data: solution.ConvertIntToStringface(z01.MultRandWords()),
}
table = append(table, val)
}
table = append(table,
solution.NodeTest{
Data: []interface{}{"I", 1, "something", 2},
},
)
for _, arg := range table {
for i := 0; i < len(arg.Data); i++ {
listPushBackTest8(link, link2, arg.Data[i])
}
solution.ListForEachIf(link2, addOneS, solution.IsPositive_node)
student.ListForEachIf(link, addOne, student.IsPositive_node)
comparFuncList8(link2, link, t, student.IsPositive_node, addOne)
solution.ListForEachIf(link2, subtract1_sol, solution.IsPositive_node)
student.ListForEachIf(link, subtractOne, student.IsPositive_node)
comparFuncList8(link2, link, t, student.IsPositive_node, subtractOne)
link = &ListS8{}
link2 = &List8{}
}
}