package xx_test

import (
	"testing"
	"unsafe"

	"git.brut.systems/judah/xx"
)

func TestNew(t *testing.T) {
	a := xx.New(uint32(1024))
	if *a != 1024 {
		t.Fail()
	}

	if unsafe.Sizeof(*a) != xx.SizeOf[uint32]() {
		t.Fail()
	}

	b := xx.New(struct{ x, y, z float32 }{10, 20, 30})
	if b.x != 10 {
		t.Fail()
	}
	if b.y != 20 {
		t.Fail()
	}
	if b.z != 30 {
		t.Fail()
	}

	c := xx.New(b)
	if c == &b {
		t.Fail()
	}
	if (*c).x != 10 {
		t.Fail()
	}
	if (*c).y != 20 {
		t.Fail()
	}
	if (*c).z != 30 {
		t.Fail()
	}
}

func TestBitcast(t *testing.T) {
	a := uint32(0xFFFF_FFFF)
	b := xx.Bitcast[float32](a)
	c := xx.Bitcast[uint32](b)
	if a != c {
		t.Fail()
	}

	d := xx.Bitcast[int8](uint8(0xFF))
	if d != -1 {
		t.Fail()
	}
	e := xx.Bitcast[uint8](d)
	if e != 255 {
		t.Fail()
	}
}