public void Copy() { IHeaders <ICharSequence, ICharSequence> headers = NewInstance(); headers.AddBoolean(Of("boolean"), true); headers.AddLong(Of("long"), long.MaxValue); headers.AddInt(Of("int"), int.MinValue); headers.AddShort(Of("short"), short.MaxValue); headers.AddChar(Of("char"), char.MaxValue); headers.AddByte(Of("byte"), byte.MaxValue); headers.AddDouble(Of("double"), double.MaxValue); headers.AddFloat(Of("float"), float.MaxValue); long millis = (long)Math.Floor(DateTime.UtcNow.Ticks / (double)TimeSpan.TicksPerMillisecond); headers.AddTimeMillis(Of("millis"), millis); headers.AddObject(Of("object"), "Hello World"); headers.Add(Of("name"), Of("value")); headers = NewInstance().Add(headers); Assert.True(headers.ContainsBoolean(Of("boolean"), true)); Assert.False(headers.ContainsBoolean(Of("boolean"), false)); Assert.True(headers.ContainsLong(Of("long"), long.MaxValue)); Assert.False(headers.ContainsLong(Of("long"), long.MinValue)); Assert.True(headers.ContainsInt(Of("int"), int.MinValue)); Assert.False(headers.ContainsInt(Of("int"), int.MaxValue)); Assert.True(headers.ContainsShort(Of("short"), short.MaxValue)); Assert.False(headers.ContainsShort(Of("short"), short.MinValue)); Assert.True(headers.ContainsChar(Of("char"), char.MaxValue)); Assert.False(headers.ContainsChar(Of("char"), char.MinValue)); Assert.True(headers.ContainsByte(Of("byte"), byte.MaxValue)); Assert.False(headers.ContainsLong(Of("byte"), byte.MinValue)); Assert.True(headers.ContainsDouble(Of("double"), double.MaxValue)); Assert.False(headers.ContainsDouble(Of("double"), double.MinValue)); Assert.True(headers.ContainsFloat(Of("float"), float.MaxValue)); Assert.False(headers.ContainsFloat(Of("float"), float.MinValue)); Assert.True(headers.ContainsTimeMillis(Of("millis"), millis)); // This test doesn't work on midnight, January 1, 1970 UTC Assert.False(headers.ContainsTimeMillis(Of("millis"), 0)); Assert.True(headers.ContainsObject(Of("object"), "Hello World")); Assert.False(headers.ContainsObject(Of("object"), "")); Assert.True(headers.Contains(Of("name"), Of("value"))); Assert.False(headers.Contains(Of("name"), Of("value1"))); }