package ptr

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestDerefOrZero(t *testing.T) {
	// Test with nil pointer
	var nilPtr *int
	result := DerefOrZero(nilPtr)
	assert.Equal(t, 0, result)

	// Test with non-nil pointer
	value := 42
	ptr := &value
	result = DerefOrZero(ptr)
	assert.Equal(t, 42, result)

	// Test with string
	var nilString *string
	resultStr := DerefOrZero(nilString)
	assert.Equal(t, "", resultStr)

	// Test with non-nil string
	strValue := "hello"
	strPtr := &strValue
	resultStr = DerefOrZero(strPtr)
	assert.Equal(t, "hello", resultStr)
}

func TestOf(t *testing.T) {
	// Test with int
	value := 42
	ptr := Of(value)
	assert.NotNil(t, ptr)
	assert.Equal(t, 42, *ptr)

	// Test with string - using explicit typing
	var strPtr *string
	strValue := "hello"
	strPtr = Of(strValue)
	assert.NotNil(t, strPtr)
	assert.Equal(t, "hello", *strPtr)

	// Test with bool - using explicit typing
	var boolPtr *bool
	boolValue := true
	boolPtr = Of(boolValue)
	assert.NotNil(t, boolPtr)
	assert.Equal(t, true, *boolPtr)
}