1 files changed, 71 insertions, 0 deletions
diff --git a/tests/iketests/src/java/com/android/internal/net/ipsec/ike/message/IkeTestUtils.java b/tests/iketests/src/java/com/android/internal/net/ipsec/ike/message/IkeTestUtils.java
new file mode 100644
index 00000000..05474379
--- /dev/null
+++ b/tests/iketests/src/java/com/android/internal/net/ipsec/ike/message/IkeTestUtils.java
@@ -0,0 +1,71 @@
+/*
+ * 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.ipsec.ike.message;
+
+import static com.android.internal.net.ipsec.ike.message.IkeMessage.DECODE_STATUS_UNPROTECTED_ERROR;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.net.ipsec.ike.exceptions.IkeProtocolException;
+import android.util.Pair;
+
+import com.android.internal.net.TestUtils;
+import com.android.internal.net.ipsec.ike.message.IkeMessage.DecodeResult;
+import com.android.internal.net.ipsec.ike.message.IkeMessage.DecodeResultError;
+
+import java.nio.ByteBuffer;
+
+/**
+ * IkeTestUtils provides utility methods for testing IKE library.
+ *
+ * <p>TODO: Consider moving it under ikev2/
+ */
+public final class IkeTestUtils {
+    public static IkePayload hexStringToIkePayload(
+            @IkePayload.PayloadType int payloadType, boolean isResp, String payloadHexString)
+            throws IkeProtocolException {
+        byte[] payloadBytes = TestUtils.hexStringToByteArray(payloadHexString);
+        // Returned Pair consists of the IkePayload and the following IkePayload's type.
+        Pair<IkePayload, Integer> pair =
+                IkePayloadFactory.getIkePayload(payloadType, isResp, ByteBuffer.wrap(payloadBytes));
+        return pair.first;
+    }
+
+    public static <T extends IkeProtocolException> T decodeAndVerifyUnprotectedErrorMsg(
+            byte[] inputPacket, Class<T> expectedException) throws Exception {
+        IkeHeader header = new IkeHeader(inputPacket);
+        DecodeResult decodeResult = IkeMessage.decode(0, header, inputPacket);
+
+        assertEquals(DECODE_STATUS_UNPROTECTED_ERROR, decodeResult.status);
+        DecodeResultError resultError = (DecodeResultError) decodeResult;
+        assertNotNull(resultError.ikeException);
+        assertTrue(expectedException.isInstance(resultError.ikeException));
+
+        return (T) resultError.ikeException;
+    }
+
+    public static IkeSkfPayload makeDummySkfPayload(
+            byte[] unencryptedData, int fragNum, int totalFrags) throws Exception {
+        IkeEncryptedPayloadBody mockEncryptedBody = mock(IkeEncryptedPayloadBody.class);
+        when(mockEncryptedBody.getUnencryptedData()).thenReturn(unencryptedData);
+        return new IkeSkfPayload(mockEncryptedBody, fragNum, totalFrags);
+    }
+}