public void Contains()
{
TestDefaultHeaders headers = NewInstance();
headers.AddBoolean(Of("boolean"), true);
Assert.True(headers.ContainsBoolean(Of("boolean"), true));
Assert.False(headers.ContainsBoolean(Of("boolean"), false));
headers.AddLong(Of("long"), long.MaxValue);
Assert.True(headers.ContainsLong(Of("long"), long.MaxValue));
Assert.False(headers.ContainsLong(Of("long"), long.MinValue));
headers.AddInt(Of("int"), int.MinValue);
Assert.True(headers.ContainsInt(Of("int"), int.MinValue));
Assert.False(headers.ContainsInt(Of("int"), int.MaxValue));
headers.AddShort(Of("short"), short.MaxValue);
Assert.True(headers.ContainsShort(Of("short"), short.MaxValue));
Assert.False(headers.ContainsShort(Of("short"), short.MinValue));
headers.AddChar(Of("char"), char.MaxValue);
Assert.True(headers.ContainsChar(Of("char"), char.MaxValue));
Assert.False(headers.ContainsChar(Of("char"), char.MinValue));
headers.AddByte(Of("byte"), byte.MaxValue);
Assert.True(headers.ContainsByte(Of("byte"), byte.MaxValue));
Assert.False(headers.ContainsByte(Of("byte"), byte.MinValue));
headers.AddDouble(Of("double"), double.MaxValue);
Assert.True(headers.ContainsDouble(Of("double"), double.MaxValue));
Assert.False(headers.ContainsDouble(Of("double"), double.MinValue));
headers.AddFloat(Of("float"), float.MaxValue);
Assert.True(headers.ContainsFloat(Of("float"), float.MaxValue));
Assert.False(headers.ContainsFloat(Of("float"), float.MinValue));
long millis = (long)Math.Floor(DateTime.UtcNow.Ticks / (double)TimeSpan.TicksPerMillisecond);
headers.AddTimeMillis(Of("millis"), millis);
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));
headers.AddObject(Of("object"), "Hello World");
Assert.True(headers.ContainsObject(Of("object"), "Hello World"));
Assert.False(headers.ContainsObject(Of("object"), ""));
headers.Add(Of("name"), Of("value"));
Assert.True(headers.Contains(Of("name"), Of("value")));
Assert.False(headers.Contains(Of("name"), Of("value1")));
}