public void RemovePairTest()
{
var bijection = new Bijection <int, string> {
{ 1, "a" }, { 2, "b" }, { 3, "c" }
};
Assert.Equal(1, bijection["a", TagRight.Value]);
Assert.Equal(2, bijection["b", TagRight.Value]);
Assert.Equal(3, bijection["c", TagRight.Value]);
Assert.Equal("a", bijection[1]);
Assert.Equal("b", bijection[2]);
Assert.Equal("c", bijection[3]);
bijection.Remove(KeyValuePair.Create(2, "b"));
bijection.Remove(KeyValuePair.Create(1, "x"));
Assert.Equal(1, bijection["a", TagRight.Value]);
Assert.Equal(3, bijection["c", TagRight.Value]);
Assert.Equal("a", bijection[1]);
Assert.Equal("c", bijection[3]);
Assert.False(bijection.ContainsKey(2));
Assert.False(bijection.ContainsRightKey("b"));
bijection.Remove(1);
bijection.Remove(3);
Assert.Empty(bijection);
bijection.Remove(KeyValuePair.Create(1, "a"));
}
public void CountTest()
{
var bijection = new Bijection <int, string> {
{ 1, "a" }, { 2, "b" }, { 3, "c" }
};
Assert.Equal(3, bijection.Count);
bijection.Remove(3);
Assert.Equal(2, bijection.Count);
bijection.Remove(3);
Assert.Equal(2, bijection.Count);
bijection.Remove(2);
Assert.Single(bijection);
bijection.Remove(1);
Assert.Empty(bijection);
}