Merge pull request #3 from js-labs/datablock-wr-order

Both DataBlock.rd and DataBlock.wr inherits byte order from the source byte buffer.

build.xml

@@ -36,7 +36,7 @@
         <sequential>
             <property name="testName" value=""/>
             <get-test-name propertyName="testName"/>
-            <java classname="org.jsl.tests.${testName}.Main" fork="true">
+            <java classname="org.jsl.tests.${testName}.Main" fork="true" failonerror="true">
                 <classpath>
                     <pathelement location="${build}/classes"/>
                     <pathelement location="${build}/tests"/>
@@ -191,6 +191,10 @@
         <run-test/>
     </target>
 
+    <target name="test.unit" depends="compile_tests">
+        <run-test/>
+    </target>
+
     <target name="tests"
             depends="test.buffer_overlap_copy,
                      test.byte_buffer_pool,
@@ -209,5 +213,6 @@
                      test.sched_latency,
                      test.thread_pool,
                      test.thread_pool_throughput,
-                     test.timer_queue"/>
+                     test.timer_queue,
+                     test.unit"/>
 </project>

src/main/java/org/jsl/collider/DataBlock.java

@@ -31,6 +31,7 @@ public DataBlock(ByteBuffer buf)
     {
         wr = buf;
         rd = buf.duplicate();
+        rd.order(buf.order());
     }
 
     public final DataBlock reset()

tests/src/org/jsl/tests/unit/Main.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2013 Sergey Zubarev, info@js-labs.org
+ *
+ * This file is a part of JS-Collider test.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.jsl.tests.unit;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import org.jsl.collider.DataBlock;
+
+interface TestFunc {
+    void run() throws Exception;
+}
+
+public class Main {
+    private static void dataBlockInheritsByteOrder() throws Exception {
+        final ByteOrder [] orders = {ByteOrder.LITTLE_ENDIAN, ByteOrder.BIG_ENDIAN};
+        for (ByteOrder byteOrder: orders) {
+            final ByteBuffer byteBuffer = ByteBuffer.allocateDirect(32);
+            byteBuffer.order(byteOrder);
+            final DataBlock dataBlock = new DataBlock(byteBuffer);
+            if (dataBlock.rd.order() != byteOrder) {
+                throw new Exception("wrong dataBlock.rd.order()");
+            }
+            if (dataBlock.wr.order() != byteOrder) {
+                throw new Exception("wrong dataBlock.wr.order()");
+            }
+        }
+    }
+
+    private static int runTest(TestFunc testFunc) {
+        try {
+            testFunc.run();
+            return 0;
+        } catch (final Exception ex) {
+            System.out.println(ex.getMessage());
+            return 1;
+        }
+    }
+
+    public static void main(String [] args) {
+        int failedTests = 0;
+        failedTests += runTest(Main::dataBlockInheritsByteOrder);
+        System.out.println(failedTests + " tests failed");
+        System.exit((failedTests == 0) ? 0 : -1);
+    }
+}

tests/tests.iml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="true" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module" module-name="js-collider" />
+  </component>
+</module>