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ethereumj-core/src/test/java/org/ethereum/db/TrackDatabaseTest.java

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+package org.ethereum.db;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.spongycastle.util.encoders.Hex;
+
+/**
+ * www.ethereumJ.com
+ *
+ * @author: Roman Mandeleil
+ * Created on: 11/06/2014 14:54
+ */
+
+public class TrackDatabaseTest {
+
+
+    @Test
+    public void test1(){
+
+        Database db1 = new Database("temp");
+        TrackDatabase trackDatabase1 = new TrackDatabase(db1);
+
+        trackDatabase1.put(Hex.decode("abcdef"), Hex.decode("abcdef"));
+        byte[] value  = trackDatabase1.get(Hex.decode("abcdef"));
+        Assert.assertEquals("abcdef", Hex.toHexString(value));
+
+        trackDatabase1.startTrack();
+        trackDatabase1.put(Hex.decode("abcdef"), Hex.decode("ffffff"));
+        value  = trackDatabase1.get(Hex.decode("abcdef"));
+        Assert.assertEquals("ffffff", Hex.toHexString(value));
+
+        trackDatabase1.rollbackTrack();
+        value  = trackDatabase1.get(Hex.decode("abcdef"));
+        Assert.assertEquals("abcdef", Hex.toHexString(value));
+
+        trackDatabase1.startTrack();
+        trackDatabase1.put(Hex.decode("abcdef"), Hex.decode("ffffff"));
+        trackDatabase1.commitTrack();
+        value  = trackDatabase1.get(Hex.decode("abcdef"));
+        Assert.assertEquals("ffffff", Hex.toHexString(value));
+    }
+}