1 files changed, 85 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/transport/TestTMemoryInputTransport.java b/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/transport/TestTMemoryInputTransport.java
new file mode 100644
index 000000000..273145bd2
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/java/test/org/apache/thrift/transport/TestTMemoryInputTransport.java
@@ -0,0 +1,85 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.thrift.transport;
+
+import java.util.Arrays;
+
+import junit.framework.TestCase;
+
+public class TestTMemoryInputTransport extends TestCase {
+  public void testFresh() throws Exception {
+    byte[] input_buf = new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    TMemoryInputTransport trans = new TMemoryInputTransport(input_buf);
+    assertEquals(0, trans.getBufferPosition());
+    assertEquals(input_buf, trans.getBuffer());
+    assertEquals(10, trans.getBytesRemainingInBuffer());
+
+    byte[] buf1 = new byte[4];
+    trans.readAll(buf1, 0, 4);
+    assertTrue(Arrays.equals(new byte[]{1, 2, 3, 4}, buf1));
+    assertEquals(4, trans.getBufferPosition());
+    assertEquals(6, trans.getBytesRemainingInBuffer());
+
+    trans.consumeBuffer(2);
+
+    assertEquals(6, trans.getBufferPosition());
+    assertEquals(4, trans.getBytesRemainingInBuffer());
+
+    trans.readAll(buf1, 0, 4);
+    assertTrue(Arrays.equals(new byte[]{7, 8, 9, 10}, buf1));
+    assertEquals(10, trans.getBufferPosition());
+    assertEquals(0, trans.getBytesRemainingInBuffer());
+  }
+
+  public void testReused() throws Exception {
+    byte[] input_buf = new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    TMemoryInputTransport trans = new TMemoryInputTransport(input_buf);
+    assertEquals(0, trans.getBufferPosition());
+    assertEquals(input_buf, trans.getBuffer());
+    assertEquals(10, trans.getBytesRemainingInBuffer());
+
+    byte[] new_buf = new byte[]{10, 9, 8};
+    trans.reset(new_buf);
+    assertEquals(0, trans.getBufferPosition());
+    assertEquals(new_buf, trans.getBuffer());
+    assertEquals(3, trans.getBytesRemainingInBuffer());
+  }
+
+  public void testWithOffsetAndLength() throws Exception {
+    byte[] input_buf = new byte[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    TMemoryInputTransport trans = new TMemoryInputTransport(input_buf, 1, 3);
+    assertEquals(1, trans.getBufferPosition());
+    assertEquals(3, trans.getBytesRemainingInBuffer());
+    byte[] readBuffer = new byte[3];
+    trans.readAll(readBuffer, 0, 3);
+    assertTrue(Arrays.equals(new byte[]{2, 3, 4}, readBuffer));
+
+    try {
+      assertEquals(0, trans.readAll(readBuffer, 0, 3));
+      fail("should have thrown an exception");
+    } catch (Exception e) {
+      // yay
+    }
+
+    trans.reset(input_buf, 3, 4);
+    readBuffer = new byte[4];
+    trans.readAll(readBuffer, 0, 4);
+    assertTrue(Arrays.equals(new byte[]{4, 5, 6, 7}, readBuffer));
+  }
+}