Added tests for HttpScheme

Signed-off-by: Michael Hausegger <hausegger.michael@googlemail.com>

jetty-http/src/test/java/org/eclipse/jetty/http/HttpSchemeTest.java

@@ -0,0 +1,81 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2019 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.http;
+
+import org.junit.jupiter.api.Test;
+
+import java.nio.ByteBuffer;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * Unit tests for class {@link HttpScheme}.
+ *
+ * @see HttpScheme
+ */
+public class HttpSchemeTest
+{
+
+    @Test
+    public void testIsReturningTrue()
+    {
+        HttpScheme httpScheme = HttpScheme.HTTPS;
+
+        assertTrue(httpScheme.is("https"));
+        assertEquals("https", httpScheme.asString());
+        assertEquals("https", httpScheme.toString());
+    }
+
+    @Test
+    public void testIsReturningFalse()
+    {
+        HttpScheme httpScheme = HttpScheme.HTTP;
+
+        assertFalse(httpScheme.is(",CPL@@4'U4p"));
+    }
+
+    @Test
+    public void testIsWithNull()
+    {
+        HttpScheme httpScheme = HttpScheme.HTTPS;
+
+        assertFalse(httpScheme.is(null));
+    }
+
+    @Test
+    public void testAsByteBuffer()
+    {
+        HttpScheme httpScheme = HttpScheme.WS;
+        ByteBuffer byteBuffer = httpScheme.asByteBuffer();
+
+        assertEquals("ws", httpScheme.asString());
+        assertEquals("ws", httpScheme.toString());
+        assertEquals(2, byteBuffer.capacity());
+        assertEquals(2, byteBuffer.remaining());
+        assertEquals(2, byteBuffer.limit());
+        assertFalse(byteBuffer.hasArray());
+        assertEquals(0, byteBuffer.position());
+        assertTrue(byteBuffer.isReadOnly());
+        assertFalse(byteBuffer.isDirect());
+        assertTrue(byteBuffer.hasRemaining());
+    }
+
+}