public void TheSamePositiveSign()
{
var sut = new TwoNumbersOppositeSign();
Assert.False(sut.IsOppositeSign(1, 2));
}
public void DifferentSigns()
{
var sut = new TwoNumbersOppositeSign();
Assert.True(sut.IsOppositeSign(1, -2));
}
public void TwoZeroes()
{
var sut = new TwoNumbersOppositeSign();
Assert.False(sut.IsOppositeSign(0, 0));
}
public void TheSameNegativeSign()
{
var sut = new TwoNumbersOppositeSign();
Assert.False(sut.IsOppositeSign(-1, -2));
}
