public void EqualsTest()
{
var eq = FuncEqualityComparer.Make <int>();
Assert.Equal(50.GetHashCode(), eq.GetHashCode(50));
Assert.NotEqual(50.GetHashCode(), eq.GetHashCode(60));
Assert.True(eq.Equals(5, 5));
Assert.False(eq.Equals(8, 5));
eq = FuncEqualityComparer.Make <int>((x, y) => x.Equals(y));
Assert.Equal(50.GetHashCode(), eq.GetHashCode(50));
Assert.NotEqual(50.GetHashCode(), eq.GetHashCode(60));
Assert.True(eq.Equals(5, 5));
Assert.False(eq.Equals(8, 5));
eq = FuncEqualityComparer.Make <int>((x, y) => x.Equals(y), x => 2 * x);
Assert.Equal(100, eq.GetHashCode(50));
Assert.NotEqual(eq.GetHashCode(50), eq.GetHashCode(60));
Assert.True(eq.Equals(5, 5));
Assert.False(eq.Equals(8, 5));
}
