Add Unit Tests for RLEBitSet

Issue-ID: DMAAP-101

Change-Id: Iec1419d6728935f95624840f134d669f79ddb437
Signed-off-by: Kyle Stewart <kyle.stewart@ericsson.com>

diff --git a/datarouter-prov/src/test/java/org/onap/dmaap/datarouter/provisioning/utils/RLEBitSetTest.java b/datarouter-prov/src/test/java/org/onap/dmaap/datarouter/provisioning/utils/RLEBitSetTest.java
new file mode 100755 (executable)
index 0000000..32c964a
--- /dev/null
+++ b/datarouter-prov/src/test/java/org/onap/dmaap/datarouter/provisioning/utils/RLEBitSetTest.java
@@ -0,0 +1,172 @@
+/*******************************************************************************
+ * ============LICENSE_START==================================================
+ * * org.onap.dmaap
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * 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.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+
+package org.onap.dmaap.datarouter.provisioning.utils;
+
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+@RunWith(PowerMockRunner.class)
+public class RLEBitSetTest {
+
+
+  private static RLEBitSet RLEBSet;
+
+  @Before
+  public void setUp() throws Exception {
+    RLEBSet = new RLEBitSet();
+  }
+
+  @Test
+  public void Given_Method_Is_Length_And_BitSet_Is_Empty_Return_0()
+      throws Exception {
+    assertThat(RLEBSet.length(), is(0L));
+  }
+
+  @Test
+  public void Given_Method_Is_Length_And_BitSet_Is_Not_Empty_Return_Length()
+      throws Exception {
+    RLEBSet.set(2L, 5L);
+    assertThat(RLEBSet.length(), is(5L));
+  }
+
+  @Test
+  public void Given_Method_Is_Get_And_Value_Is_Inside_BitSet_Return_True()
+      throws Exception {
+    long val = 4L;
+    RLEBSet.set(2L, 7L);
+    assertThat(RLEBSet.get(val), is(true));
+  }
+
+  @Test
+  public void Given_Method_Is_Get_And_Value_Is_Not_Inside_BitSet_Return_False()
+      throws Exception {
+    long val = 9L;
+    RLEBSet.set(2L, 7L);
+    assertThat(RLEBSet.get(val), is(false));
+  }
+
+  @Test
+  public void Given_Method_Is_Set_And_Value_Is_Range_And_Is_Outside_BitSet_Then_Update_Range()
+      throws Exception {
+    String val = "4-8";
+    RLEBSet.set(2L, 7L);
+    RLEBSet.set(val);
+    assertThat(RLEBSet.toString(), is("2-8"));
+  }
+
+  @Test
+  public void Given_Method_Is_Set_And_Value_Is_Not_Range_And_Is_Inside_BitSet_Then_Keep_Same_Range()
+      throws Exception {
+    String val = "3";
+    RLEBSet.set(2L, 7L);
+    RLEBSet.set(val);
+    assertThat(RLEBSet.toString(), is("2-6"));
+  }
+
+  @Test
+  public void Given_Method_Is_Set_And_Value_Is_Not_Range_And_Is_Outside_BitSet_Then_Add_New_Range()
+      throws Exception {
+    String val = "9";
+    RLEBSet.set(2L, 7L);
+    RLEBSet.set(val);
+    assertThat(RLEBSet.toString(), is("2-6,9"));
+  }
+
+  @Test
+  public void Given_Method_Is_Clear_Return_Blank_Set()
+      throws Exception {
+    RLEBSet.set(2L, 7L);
+    RLEBSet.clear();
+    assertThat(RLEBSet.toString(), is(""));
+  }
+
+  @Test
+  public void Given_Method_Is_Clear_ValueRange_And_Range_Overlaps_BitSet_Return_Trimmed_BitSet()
+      throws Exception {
+    long from = 1L;
+    long to = 4L;
+    RLEBSet.set(2L, 7L);
+    RLEBSet.clear(from, to);
+    assertThat(RLEBSet.toString(), is("4-6"));
+  }
+
+  @Test
+  public void Given_Method_Is_Clear_ValueRange_And_Range_Is_Inside_BitSet_Return_Split_BitSets()
+      throws Exception {
+    long from = 4L;
+    long to = 7L;
+    RLEBSet.set(2L, 9L);
+    RLEBSet.clear(from, to);
+    assertThat(RLEBSet.toString(), is("2-3,7-8"));
+  }
+
+  @Test
+  public void Given_Method_Is_Clear_ValueRange_And_Range_Is_Outside_BitSet_Return_Unchanged_BitSets()
+      throws Exception {
+    long from = 8L;
+    long to = 11L;
+    RLEBSet.set(2L, 7L);
+    RLEBSet.clear(from, to);
+    assertThat(RLEBSet.toString(), is("2-6"));
+  }
+
+  @Test
+  public void Given_Method_Is_And_Return_Common_Value_Set()
+      throws Exception {
+    RLEBitSet bSet = new RLEBitSet();
+    bSet.set(6L,11L);
+    RLEBSet.set(2L, 9L);
+    RLEBSet.and(bSet);
+    assertThat(RLEBSet.toString(), is("6-8"));
+  }
+
+  @Test
+  public void Given_Method_Is_AndNot_Return_Non_Common_Value_Set()
+      throws Exception {
+    RLEBitSet bSet = new RLEBitSet();
+    bSet.set(6L,11L);
+    RLEBSet.set(2L, 9L);
+    RLEBSet.andNot(bSet);
+    assertThat(RLEBSet.toString(), is("2-5"));
+  }
+
+  @Test
+  public void Given_Method_Is_Cardinality_Return_Bits_Set_To_True()
+      throws Exception {
+    RLEBSet.set(2L, 9L);
+    assertThat(RLEBSet.cardinality(), is(7));
+  }
+
+  @Test
+  public void Given_Method_Is_Clone_Return_Identical_Clone()
+      throws Exception {
+    RLEBSet.set(2L, 9L);
+    assertThat(RLEBSet.clone().toString(), is(RLEBSet.toString()));
+  }
+}