1 files changed, 91 insertions, 0 deletions
diff --git a/tests/iketests/src/java/com/android/internal/net/eap/message/simaka/attributes/AtNonceMtTest.java b/tests/iketests/src/java/com/android/internal/net/eap/message/simaka/attributes/AtNonceMtTest.java
new file mode 100644
index 00000000..751908a2
--- /dev/null
+++ b/tests/iketests/src/java/com/android/internal/net/eap/message/simaka/attributes/AtNonceMtTest.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.net.eap.message.simaka.attributes;
+
+import static com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.EAP_AT_NONCE_MT;
+import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_NONCE_INVALID_LENGTH;
+import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_NONCE_MT;
+import static com.android.internal.net.eap.message.simaka.attributes.EapTestAttributeDefinitions.NONCE_MT;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import com.android.internal.net.eap.exceptions.simaka.EapSimAkaInvalidAttributeException;
+import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute;
+import com.android.internal.net.eap.message.simaka.EapSimAkaAttribute.AtNonceMt;
+import com.android.internal.net.eap.message.simaka.EapSimAttributeFactory;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.nio.ByteBuffer;
+
+public class AtNonceMtTest {
+    private static final byte[] INVALID_NONCE = new byte[10];
+    private static final int EXPECTED_LENGTH = 20;
+
+    private EapSimAttributeFactory mEapSimAttributeFactory;
+
+    @Before
+    public void setUp() {
+        mEapSimAttributeFactory = EapSimAttributeFactory.getInstance();
+    }
+
+    @Test
+    public void testConstructorInvalidNonceLength() {
+        try {
+            new AtNonceMt(INVALID_NONCE);
+            fail("Expected EapSimAkaInvalidAttributeException for invalid NonceMt length");
+        } catch (EapSimAkaInvalidAttributeException expected) {
+        }
+    }
+
+    @Test
+    public void testDecode() throws Exception {
+        ByteBuffer input = ByteBuffer.wrap(AT_NONCE_MT);
+        EapSimAkaAttribute result = mEapSimAttributeFactory.getAttribute(input);
+
+        assertFalse(input.hasRemaining());
+        assertTrue(result instanceof AtNonceMt);
+        AtNonceMt atNonceMt = (AtNonceMt) result;
+        assertEquals(EAP_AT_NONCE_MT, atNonceMt.attributeType);
+        assertEquals(EXPECTED_LENGTH, atNonceMt.lengthInBytes);
+        assertArrayEquals(NONCE_MT, atNonceMt.nonceMt);
+    }
+
+    @Test
+    public void testDecodeInvalidLength() throws Exception {
+        ByteBuffer input = ByteBuffer.wrap(AT_NONCE_INVALID_LENGTH);
+        try {
+            mEapSimAttributeFactory.getAttribute(input);
+            fail("Expected EapSimAkaInvalidAttributeException for invalid attribute length");
+        } catch (EapSimAkaInvalidAttributeException expected) {
+        }
+    }
+
+    @Test
+    public void testEncode() throws EapSimAkaInvalidAttributeException {
+        AtNonceMt atNonceMt = new AtNonceMt(NONCE_MT);
+        ByteBuffer result = ByteBuffer.allocate(EXPECTED_LENGTH);
+
+        atNonceMt.encode(result);
+        assertArrayEquals(AT_NONCE_MT, result.array());
+    }
+}