public void test_copy()
{
CharNumProperty foo = new CharNumProperty(1.3m), bar = foo.copy();
Assert.IsFalse(ReferenceEquals(foo, bar));
Assert.AreEqual(foo.value, bar.value);
}
public void test_equals()
{
CharNumProperty foo = new CharNumProperty(1.3m), bar = foo.copy(), baz = new CharNumProperty(42);
Assert.IsTrue(foo.equals(bar));
Assert.IsTrue(bar.equals(foo));
Assert.IsFalse(foo.equals(baz));
Assert.IsFalse(baz.equals(foo));
}