content: /*******************************************************************************
   * Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *    Marc R. Hoffmann - initial API and implementation
   *    
   *******************************************************************************/
  package org.jacoco.core.data;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Unit tests for {@link ExecutionDataStore}.
   */
  public class ExecutionDataStoreTest implements IExecutionDataVisitor {
  
  	private ExecutionDataStore store;
  
  	private Map<Long, ExecutionData> dataOutput;
  
  	@Before
  	public void setup() {
  		store = new ExecutionDataStore();
  		dataOutput = new HashMap<Long, ExecutionData>();
  	}
  
  	@Test
  	public void testEmpty() {
  		assertNull(store.get(123));
  		assertFalse(store.contains("org/jacoco/example/Foo"));
  		store.accept(this);
  		assertEquals(Collections.emptyMap(), dataOutput);
  	}
  
  	@Test
  	public void testPut() {
  		final boolean[] probes = new boolean[] { false, false, true };
  		store.put(new ExecutionData(1000, "Sample", probes));
  		final ExecutionData data = store.get(1000);
  		assertSame(probes, data.getProbes());
  		assertTrue(store.contains("Sample"));
  		store.accept(this);
  		assertEquals(Collections.singletonMap(Long.valueOf(1000), data),
  				dataOutput);
  	}
  
  	@Test
  	public void testReentrantAccept() {
  		final boolean[] probes = new boolean[] { false, false, true };
  		store.put(new ExecutionData(1000, "Sample0", probes));
  		store.put(new ExecutionData(1001, "Sample1", probes));
  		store.accept(new IExecutionDataVisitor() {
  			public void visitClassExecution(ExecutionData data) {
  				store.put(new ExecutionData(1002, "Sample2", probes));
  				ExecutionDataStoreTest.this.visitClassExecution(data);
  			}
  		});
  		assertEquals(2, dataOutput.size());
  	}
  
  	@Test
  	public void testGetContents() {
  		final boolean[] probes = new boolean[] {};
  		final ExecutionData a = new ExecutionData(1000, "A", probes);
  		store.put(a);
  		final ExecutionData aa = new ExecutionData(1000, "A", probes);
  		store.put(aa);
  		final ExecutionData b = new ExecutionData(1001, "B", probes);
  		store.put(b);
  		final Set<ExecutionData> actual = new HashSet<ExecutionData>(
  				store.getContents());
  		final Set<ExecutionData> expected = new HashSet<ExecutionData>(
  				Arrays.asList(a, b));
  		assertEquals(expected, actual);
  	}
  
  	@Test
  	public void testGetWithoutCreate() {
  		final ExecutionData data = new ExecutionData(1000, "Sample",
  				new boolean[] {});
  		store.put(data);
  		assertSame(data, store.get(1000));
  	}
  
  	@Test
  	public void testGetWithCreate() {
  		final Long id = Long.valueOf(1000);
  		final ExecutionData data = store.get(id, "Sample", 3);
  		assertEquals(1000, data.getId());
  		assertEquals("Sample", data.getName());
  		assertEquals(3, data.getProbes().length);
  		assertFalse(data.getProbes()[0]);
  		assertFalse(data.getProbes()[1]);
  		assertFalse(data.getProbes()[2]);
  		assertSame(data, store.get(id, "Sample", 3));
  		assertTrue(store.contains("Sample"));
  	}
  
  	@Test(expected = IllegalStateException.class)
  	public void testGetNegative1() {
  		final boolean[] data = new boolean[] { false, false, true };
  		store.put(new ExecutionData(1000, "Sample", data));
  		store.get(Long.valueOf(1000), "Other", 3);
  	}
  
  	@Test(expected = IllegalStateException.class)
  	public void testGetNegative2() {
  		final boolean[] data = new boolean[] { false, false, true };
  		store.put(new ExecutionData(1000, "Sample", data));
  		store.get(Long.valueOf(1000), "Sample", 4);
  	}
  
  	@Test(expected = IllegalStateException.class)
  	public void testPutNegative() {
  		final boolean[] data = new boolean[0];
  		store.put(new ExecutionData(1000, "Sample1", data));
  		store.put(new ExecutionData(1000, "Sample2", data));
  	}
  
  	@Test
  	public void testMerge() {
  		final boolean[] data1 = new boolean[] { false, true, false, true };
  		store.visitClassExecution(new ExecutionData(1000, "Sample", data1));
  		final boolean[] data2 = new boolean[] { false, true, true, false };
  		store.visitClassExecution(new ExecutionData(1000, "Sample", data2));
  
  		final boolean[] result = store.get(1000).getProbes();
  		assertFalse(result[0]);
  		assertTrue(result[1]);
  		assertTrue(result[2]);
  		assertTrue(result[3]);
  	}
  
  	@Test(expected = IllegalStateException.class)
  	public void testMergeNegative() {
  		final boolean[] data1 = new boolean[] { false, false };
  		store.visitClassExecution(new ExecutionData(1000, "Sample", data1));
  		final boolean[] data2 = new boolean[] { false, false, false };
  		store.visitClassExecution(new ExecutionData(1000, "Sample", data2));
  	}
  
  	@Test
  	public void testSubtract() {
  		final boolean[] data1 = new boolean[] { false, true, false, true };
  		store.put(new ExecutionData(1000, "Sample", data1));
  		final boolean[] data2 = new boolean[] { false, false, true, true };
  		store.subtract(new ExecutionData(1000, "Sample", data2));
  
  		final boolean[] result = store.get(1000).getProbes();
  		assertFalse(result[0]);
  		assertTrue(result[1]);
  		assertFalse(result[2]);
  		assertFalse(result[3]);
  	}
  
  	@Test
  	public void testSubtractOtherId() {
  		final boolean[] data1 = new boolean[] { false, true };
  		store.put(new ExecutionData(1000, "Sample1", data1));
  		final boolean[] data2 = new boolean[] { true, true };
  		store.subtract(new ExecutionData(2000, "Sample2", data2));
  
  		final boolean[] result = store.get(1000).getProbes();
  		assertFalse(result[0]);
  		assertTrue(result[1]);
  
  		assertNull(store.get(2000));
  	}
  
  	@Test
  	public void testSubtractStore() {
  		final boolean[] data1 = new boolean[] { false, true, false, true };
  		store.put(new ExecutionData(1000, "Sample", data1));
  
  		final ExecutionDataStore store2 = new ExecutionDataStore();
  		final boolean[] data2 = new boolean[] { false, false, true, true };
  		store2.put(new ExecutionData(1000, "Sample", data2));
  
  		store.subtract(store2);
  
  		final boolean[] result = store.get(1000).getProbes();
  		assertFalse(result[0]);
  		assertTrue(result[1]);
  		assertFalse(result[2]);
  		assertFalse(result[3]);
  	}
  
  	@Test
  	public void testReset() throws InstantiationException,
  			IllegalAccessException {
  		final boolean[] data1 = new boolean[] { true, true, false };
  		store.put(new ExecutionData(1000, "Sample", data1));
  		store.reset();
  		final boolean[] data2 = store.get(1000).getProbes();
  		assertNotNull(data2);
  		assertFalse(data2[0]);
  		assertFalse(data2[1]);
  		assertFalse(data2[2]);
  	}
  
  	// === IExecutionDataOutput ===
  
  	public void visitClassExecution(final ExecutionData data) {
  		dataOutput.put(Long.valueOf(data.getId()), data);
  	}
  
  }
  