decimal64decParts_test.go

package decimal

import (
	"testing"

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

func TestPartsInf(t *testing.T) {
	var a decParts
	a.unpack(Infinity64)
	require.True(t, a.isInf())

	a.unpack(NegInfinity64)
	require.True(t, a.isInf())
}

func TestIsNaN(t *testing.T) {
	require := require.New(t)
	var a decParts
	a.unpack(Zero64)
	require.Equal(false, a.isNaN())

	a.unpack(SNaN64)
	require.Equal(true, a.isSNaN())
}

func TestPartsSubnormal(t *testing.T) {
	require := require.New(t)

	d := MustParse64("0.1E-383")
	var subnormal64Parts decParts
	subnormal64Parts.unpack(d)
	require.Equal(true, subnormal64Parts.isSubnormal())

	e := New64FromInt64(42)
	var fortyTwoParts decParts
	fortyTwoParts.unpack(e)
	require.Equal(false, fortyTwoParts.isSubnormal())

}