[GH-551]: add unit test repro issue with find operator between timestamps

concourse-integration-tests/src/test/java/com/cinchapi/concourse/bugrepro/GH551.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2013-2025 Cinchapi Inc.
+ *
+ * Licensed 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 com.cinchapi.concourse.bugrepro;
+
+import java.util.Set;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.cinchapi.concourse.Timestamp;
+import com.cinchapi.concourse.test.ConcourseIntegrationTest;
+import com.cinchapi.concourse.thrift.Operator;
+import com.google.common.collect.ImmutableSet;
+
+/**
+ * Unit test for https://github.com/cinchapi/concourse/issues/551
+ *
+ * @author Jeff Nelson
+ */
+public class GH551 extends ConcourseIntegrationTest {
+
+    @Test
+    public void testRepro() {
+        Timestamp t1 = Timestamp.fromMicros(1739660787943000L);
+        Timestamp t2 = Timestamp.fromMicros(1739660787943000L);
+        client.add("start", Timestamp.fromMicros(1748750400000000L), 1);
+        Set<Long> actual = client.find("start", Operator.BETWEEN, t1, t2, t1);
+        Assert.assertEquals(ImmutableSet.of(1L), actual);
+    }
+
+}