comparison_test.go

package pointy_test

import (
	"fmt"
	"testing"

	"github.com/stretchr/testify/assert"
	"go.openly.dev/pointy"
)

// This example demonstrates comparing two pointers using dereferenced value equality.
func ExamplePointersValueEqual() {
	a := pointy.Int(1)
	b := pointy.Int(1)
	if pointy.PointersValueEqual(a, b) {
		fmt.Println("a and b contain equal dereferenced values")
	}
}

// This example demonstrates comparing a pointer to a value using dereferenced value equality.
func ExamplePointerValueEqual() {
	a := pointy.Int(1)
	b := 1
	if pointy.PointerValueEqual(a, b) {
		fmt.Println("a and b contain equal dereferenced values")
	}
}

func TestPointersValueEqual_float64(t *testing.T) {

	a := pointy.Float64(1.0)
	b := pointy.Float64(2.0)

	assert.False(t, pointy.PointersValueEqual(a, b), "expected both values to be not equal")
	assert.False(t, pointy.PointersValueEqual(a, nil), "expected both values to be not equal")
	assert.False(t, pointy.PointersValueEqual(nil, b), "expected both values to be not equal")
	var aNil, bNil *float64
	assert.True(t, pointy.PointersValueEqual(aNil, bNil), "expected nil values to be equal")

	a1 := pointy.Float64(1.0)
	assert.True(t, pointy.PointersValueEqual(a, a1), "expected both values to be equal")
}

func TestPointersValueEqual_string(t *testing.T) {

	a := pointy.String("a")
	b := pointy.String("b")

	assert.False(t, pointy.PointersValueEqual(a, b), "expected both values to be not equal")
	assert.False(t, pointy.PointersValueEqual(a, nil), "expected both values to be not equal")
	assert.False(t, pointy.PointersValueEqual(nil, b), "expected both values to be not equal")
	var aNil, bNil *float64
	assert.True(t, pointy.PointersValueEqual(aNil, bNil), "expected nil values to be equal")

	a1 := pointy.String("a")
	assert.True(t, pointy.PointersValueEqual(a, a1), "expected both values to be equal")
}

func TestPointerValueEqual_float64(t *testing.T) {

	a := pointy.Float64(1.0)
	b := 2.0

	assert.False(t, pointy.PointerValueEqual(a, b), "expected both values to be not equal")
	assert.False(t, pointy.PointerValueEqual(nil, b), "expected both values to be not equal")

	a1 := 1.0
	assert.True(t, pointy.PointerValueEqual(a, a1), "expected both values to be equal")
}

func TestPointerValueEqual_string(t *testing.T) {

	a := pointy.String("a")
	b := "b"

	assert.False(t, pointy.PointerValueEqual(a, b), "expected both values to be not equal")
	assert.False(t, pointy.PointerValueEqual(nil, b), "expected both values to be not equal")

	a1 := "a"
	assert.True(t, pointy.PointerValueEqual(a, a1), "expected both values to be equal")
}