record failing commit for SuccinctCountingBlockedBloom

Author: richardstartin

fastfilter/src/test/java/org/fastfilter/SimpleFuzzer.java

@@ -0,0 +1,34 @@
+package org.fastfilter;
+
+import org.fastfilter.utils.Hash;
+import org.junit.Test;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+import static junit.framework.TestCase.assertTrue;
+
+public class SimpleFuzzer {
+
+
+    @Test
+    public void fuzzTest() {
+        long[] keys = new long[]{ 1, 2, 3};
+        long seed = 0;
+
+        for (FilterType type : FilterType.values()) {
+            try {
+                for (int i = 0; i < 1000_000; ++i) {
+                    seed = ThreadLocalRandom.current().nextLong();
+                    Hash.setSeed(seed);
+                    Filter filter = type.construct(keys, 8);
+                    assertTrue(filter.mayContain(1));
+                    assertTrue(filter.mayContain(2));
+                    assertTrue(filter.mayContain(3));
+                }
+            } catch (Exception e) {
+                System.out.println(seed + "/" + type);
+                throw e;
+            }
+        }
+    }
+}

fastfilter/src/test/java/org/fastfilter/bloom/count/SuccinctCountingBlockedBloomTest.java

@@ -0,0 +1,21 @@
+package org.fastfilter.bloom.count;
+
+import org.fastfilter.utils.Hash;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class SuccinctCountingBlockedBloomTest {
+
+    @Test
+    public void indexOutOfBoundsRegression() {
+        long seed = 6049486880293779298L;
+        long[] keys = new long[]{1, 2, 3};
+        Hash.setSeed(seed);
+        SuccinctCountingBlockedBloom filter = SuccinctCountingBlockedBloom.construct(keys, 8);
+        assertTrue(filter.mayContain(1));
+        assertTrue(filter.mayContain(2));
+        assertTrue(filter.mayContain(3));
+    }
+
+}