Add tests about mandatory or optional content format.

leshan-core/src/test/java/org/eclipse/leshan/core/request/ContentFormatTest.java

@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * Copyright (c) 2021 Sierra Wireless and others.
+ * 
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * and Eclipse Distribution License v1.0 which accompany this distribution.
+ * 
+ * The Eclipse Public License is available at
+ *    http://www.eclipse.org/legal/epl-v20.html
+ * and the Eclipse Distribution License is available at
+ *    http://www.eclipse.org/org/documents/edl-v10.html.
+ * 
+ * Contributors:
+ *     Sierra Wireless - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.leshan.core.request;
+
+import static org.eclipse.leshan.core.request.ContentFormat.*;
+import static org.junit.Assert.assertEquals;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.eclipse.leshan.core.LwM2m.Version;
+import org.eclipse.leshan.core.node.codec.CodecException;
+import org.junit.Test;
+
+public class ContentFormatTest {
+
+    @Test
+    public void get_optional_content_format_for_v1_0() throws CodecException {
+
+        List<ContentFormat> optionalContentFormat = ContentFormat
+                .getOptionalContentFormatForClient(Arrays.asList(TLV, JSON, TEXT, OPAQUE), Version.V1_0);
+
+        assertEquals(Arrays.asList(JSON, TEXT, OPAQUE), optionalContentFormat);
+    }
+
+    @Test
+    public void get_optional_content_format_for_v1_1() throws CodecException {
+        List<ContentFormat> optionalContentFormat = ContentFormat.getOptionalContentFormatForClient(
+                Arrays.asList(TLV, JSON, SENML_JSON, SENML_CBOR, TEXT, OPAQUE, CBOR, LINK), Version.V1_1);
+
+        assertEquals(Arrays.asList(TLV, JSON, SENML_JSON, SENML_CBOR, CBOR), optionalContentFormat);
+
+    }
+}