package extypes

import (
	"fmt"
	"testing"
)

type A struct {
	i int
	b bool
	s string
}

func TestSlice_Index(t *testing.T) {
	s := make(Slice[int], 10)
	for i := 0; i < 10; i++ {
		s[i] = i + 1
	}

	if s.Index(0) != -1 {
		t.Errorf("s.Index(0) != -1")
	}
	if s.Index(5) != 4 {
		t.Errorf("s.Index(5) != 4")
	}

	s2 := make(Slice[A], 5)
	for i := 0; i < 5; i++ {
		s2[i] = A{i + 1, false, fmt.Sprint(i)}
	}
	if s2.Index(A{2, false, "1"}) != 1 {
		t.Errorf("s2 wrong index")
	}
}
func TestSlice_Equal(t *testing.T) {
	a1 := make(Slice[int], 10)
	a2 := make(Slice[int], 10)
	a3 := make(Slice[int], 5)

	for i := 0; i < 10; i++ {
		a1[i] = i
		a2[i] = i + 1
	}
	for i := 0; i < 5; i++ {
		a3[i] = i
	}

	if a1.Equal(a2) {
		t.Errorf("a1 == a2")
	}
	if a1.Equal(a3) {
		t.Errorf("a1 == a3")
	}
	if a2.Equal(a3) {
		t.Errorf("a2 == a3")
	}
}

func TestSlice_Pop(t *testing.T) {
	a1 := make(Slice[int], 10)
	a2 := make(Slice[int], 9)

	for i := 0; i < 10; i++ {
		a1[i] = i
	}
	for i := 0; i < 9; i++ {
		a2[i] = i
	}

	a1 = a1.Pop(a1.Len() - 1)

	if a1.Len() != 9 {
		t.Errorf("a1.Len() != 9")
	}
	if !a1.Equal(a2) {
		t.Errorf("a1 != a2")
	}
}