added -> net.openhft.chronicle.map.ValueAlignmentRelocation.testValueAlignmentRelocation

2021-09-13 01:26:12 +00:00 · 2018-12-05 10:55:59 +00:00
parent f1ed4cad99
commit 3347b6ce07
1 changed files with 50 additions and 0 deletions
@@ -0,0 +1,50 @@
+package net.openhft.chronicle.map;
+
+import net.openhft.chronicle.hash.serialization.SizeMarshaller;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.Random;
+
+public class ValueAlignmentRelocation {
+
+    @Test
+    public void testValueAlignmentRelocation() {
+        ChronicleMap<byte[], byte[]> map = ChronicleMapBuilder
+                .of(byte[].class, byte[].class)
+                .averageKeySize(5)
+                .averageValueSize(5)
+                .keySizeMarshaller(SizeMarshaller.stopBit())
+                .valueSizeMarshaller(SizeMarshaller.stopBit())
+                .entryAndValueOffsetAlignment(8)
+                .actualSegments(1)
+                .actualChunkSize(2)
+                .entries(10)
+                .create();
+        Random r = new Random(0);
+        for (int firstKeySize = 1; firstKeySize < 10; firstKeySize++) {
+            byte[] firstKey = new byte[firstKeySize];
+            byte[] firstValue = new byte[8];
+            r.nextBytes(firstKey);
+            r.nextBytes(firstValue);
+            for (int secondKeySize = 1; secondKeySize < 10; secondKeySize++) {
+                byte[] secondKey = new byte[secondKeySize];
+                r.nextBytes(secondKey);
+                byte[] secondValue = new byte[1];
+                r.nextBytes(secondValue);
+                map.clear();
+                map.put(firstKey, firstValue);
+                map.put(secondKey, secondValue);
+                byte[] thirdValue = new byte[16];
+                r.nextBytes(thirdValue);
+                map.put(firstKey, thirdValue);
+                for (int i = 0; i < 10; i++) {
+                    map.put(new byte[]{(byte) i}, new byte[]{(byte) i});
+                }
+                Assert.assertTrue(Arrays.equals(map.get(firstKey), thirdValue));
+            }
+        }
+    }
+
+}