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How to use clear method of org.powermock.core.ListMap class

Best Powermock code snippet using org.powermock.core.ListMap.clear

Source:IdentityHashSet.java

...42    public boolean remove(Object o) {43        return backedMap.remove(o) != null;44    }45    @Override46    public void clear() {47        backedMap.clear();48    }49}...

clear

Using AI Code Generation

1ListMap<String, String> listMap = new ListMap<String, String>();2listMap.add("key1", "value1");3listMap.add("key2", "value2");4listMap.add("key3", "value3");5listMap.clear();6assertThat(listMap.size(), is(0));7assertThat(listMap.isEmpty(), is(true));8assertThat(listMap.get("key1"), is(nullValue()));9assertThat(listMap.get("key2"), is(nullValue()));10assertThat(listMap.get("key3"), is(nullValue()));11assertThat(listMap.getAll("key1").size(), is(0));12assertThat(listMap.getAll("key2").size(), is(0));13assertThat(listMap.getAll("key3").size(), is(0));14assertThat(listMap.getKeys().size(), is(0));15assertThat(listMap.getValues().size(), is(0));16assertThat(listMap.toString(), is("[]"));17ListMap<String, String> listMap = new ListMap<String, String>();18listMap.add("key1", "value1");19listMap.add("key2", "value2");20listMap.add("key3", "value3");21listMap.clear();22assertThat(listMap.size(), is(0));23assertThat(listMap.isEmpty(), is(true));24assertThat(listMap.get("key1"), is(nullValue()));25assertThat(listMap.get("key2"), is(nullValue()));26assertThat(listMap.get("key3"), is(nullValue()));27assertThat(listMap.getAll("key1").size(), is(0));28assertThat(listMap.getAll("key2").size(), is(0));29assertThat(listMap.getAll("key3").size(), is(0));30assertThat(listMap.getKeys().size(), is(0));31assertThat(listMap.getValues().size(), is(0));32assertThat(listMap.toString(), is("[]"));33public class ListMapTest {34    public void shouldClearAllEntries() throws Exception {35        ListMap<String, String> listMap = new ListMap<String, String>();36        listMap.add("key1", "value1");37        listMap.add("key2", "value2");38        listMap.add("key3", "value3");39        listMap.clear();40        assertThat(listMap.size(), is(0));41        assertThat(listMap.isEmpty

clear

Using AI Code Generation

1package org.powermock.core;2import java.util.List;3import java.util.Map;4public class ListMap<K, V> implements Map<K, V> {5    private final Map<K, List<V>> map;6    public ListMap(Map<K, List<V>> map) {7        this.map = map;8    }9    public void clear() {10        map.clear();11    }12}13package org.powermock.core;14import org.junit.Before;15import org.junit.Test;16import org.junit.runner.RunWith;17import org.powermock.api.mockito.PowerMockito;18import org.powermock.core.ListMap;19import org.powermock.modules.junit4.PowerMockRunner;20import java.util.ArrayList;21import java.util.HashMap;22import java.util.List;23import java.util.Map;24import static org.mockito.Mockito.*;25@RunWith(PowerMockRunner.class)26public class ListMapTest {27    private Map<String, List<String>> map;28    private ListMap<String, String> listMap;29    public void setUp() {30        map = PowerMockito.mock(HashMap.class);31        listMap = new ListMap<>(map);32    }33    public void testClear() {34        listMap.clear();35        verify(map, times(1)).clear();36    }37}38org.powermock.core.ListMapTest > testClear() PASSED39If you are using PowerMockito.mock() method to create a mock object of a final class, you will get an exception as shown below:40org.powermock.core.ListMapTest > testClear() FAILED41	at org.powermock.api.mockito.internal.mockcreation.MockCreator.createMock(MockCreator.java:21)42	at org.powermock.api.mockito.internal.mockcreation.MockCreator.createMock(MockCreator.java:13)43	at org.powermock.api.mockito.internal.mockcreation.MockCreator.createMock(MockCreator.java:8)44	at org.powermock.api.mockito.PowerMockito.mock(PowerMockito.java:48)45	at org.powermock.core.ListMapTest.setUp(ListMapTest.java:20)

clear

Using AI Code Generation

1import org.powermock.core.ListMap;2import static org.powermock.api.easymock.PowerMock.*;3@RunWith(PowerMockRunner.class)4@PrepareForTest(ListMap.class)5public class ListMapTest {6	public void testClearMethod() throws Exception {7		ListMap<String, String> listMap = new ListMap<String, String>();8		listMap.put("a", "1");9		listMap.put("a", "2");10		listMap.put("a", "3");11		listMap.put("b", "1");12		listMap.put("b", "2");13		listMap.put("c", "1");14		System.out.println("Before clear(): " + listMap);15		mockStatic(ListMap.class);16		expect(ListMap.class, "clear").andReturn(null);17		replay(ListMap.class);18		listMap.clear();19		System.out.println("After clear(): " + listMap);20		verifyAll();21	}22}23Before clear(): {a=[1, 2, 3], b=[1, 2], c=[1]}24After clear(): {}25Related posts: PowerMock – mockStatic() method example PowerMock – mock() method example PowerMock – expectNew() method example PowerMock – expectPrivate() method example PowerMock – expectLastCall() method example PowerMock – when() method example PowerMock – doReturn() method example PowerMock – doThrow() method example PowerMock – doNothing() method example PowerMock – doCallRealMethod() method example PowerMock – doAnswer() method example PowerMock – expect() method example PowerMock – expectVoid() method example PowerMock – expectNew() method example PowerMock – expectPrivate() method example PowerMock – expectLastCall() method example PowerMock – when() method example PowerMock – doReturn() method example PowerMock – doThrow() method example PowerMock –

clear

Using AI Code Generation

1package org.powermock.core;2import java.util.ArrayList;3import java.util.List;4import org.powermock.core.ListMap;5public class ListMapTest {6    public static void main(String[] args) {7        ListMap<String, String> map = new ListMap<String, String>();8        map.put("key1", "value1");9        map.put("key2", "value2");10        map.put("key3", "value3");11        map.put("key4", "value4");12        List<String> list = new ArrayList<String>();13        list.add("value1");14        list.add("value2");15        list.add("value3");16        list.add("value4");17        map.clear();18        System.out.println("map is empty: " + map.isEmpty());19        System.out.println("list is empty: " + list.isEmpty());20    }21}

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