public void TestEquals()
{
var treeSpan = new TreeSpan(50, 50);
Assert.False(treeSpan.Equals(new object()));
Assert.False(treeSpan.Equals(null));
Assert.False(treeSpan.Equals((object)TreeSpan.Invalid));
Assert.True(treeSpan.Equals((object)new TreeSpan(50, 50)));
}
public void TestIEquatable()
{
IEquatable <TreeSpan> treeSpan = TreeSpan.Invalid;
Assert.True(treeSpan.Equals(TreeSpan.Invalid));
treeSpan = new TreeSpan(50, 50);
Assert.True(treeSpan.Equals(TreeSpan.FromBounds(50, 100)));
}