public virtual void TestContains()
{
Assert.IsTrue(mm.Put("key1", "value1"));
Assert.IsTrue(mm.Put("key1", "value2"));
Assert.IsTrue(mm.Put("key1", "value3"));
Assert.IsTrue(mm.Put("key2", "value4"));
Assert.IsTrue(mm.Put("key2", "value5"));
Assert.IsFalse(mm.ContainsKey("key3"));
Assert.IsTrue(mm.ContainsKey("key1"));
Assert.IsFalse(mm.ContainsValue("value6"));
Assert.IsTrue(mm.ContainsValue("value4"));
Assert.IsFalse(mm.ContainsEntry("key1", "value4"));
Assert.IsFalse(mm.ContainsEntry("key2", "value3"));
Assert.IsTrue(mm.ContainsEntry("key1", "value1"));
Assert.IsTrue(mm.ContainsEntry("key2", "value5"));
}
