How to use assertFalse method of junit.framework.TestCase class

...30import java.util.Map;31import java.util.Set;32import sun.nio.fs.LinuxFileSystemProvider;33import static junit.framework.TestCase.assertEquals;34import static junit.framework.TestCase.assertFalse;35import static junit.framework.TestCase.assertNotNull;36import static junit.framework.TestCase.assertTrue;37import static junit.framework.TestCase.fail;38import static libcore.java.nio.file.LinuxFileSystemTestData.getPathExceptionTestData;39import static libcore.java.nio.file.LinuxFileSystemTestData.getPathInputOutputTestData;40@RunWith(JUnit4.class)41public class LinuxFileSystemTest {42    FileSystem fileSystem = FileSystems.getDefault();43    @Test44    public void test_provider() {45        assertTrue(fileSystem.provider() instanceof LinuxFileSystemProvider);46    }47    @Test48    public void test_isOpen() throws IOException {49        assertTrue(fileSystem.isOpen());50    }51    @Test52    public void test_close() throws IOException {53        // Close is not supported.54        try {55            fileSystem.close();56            fail();57        } catch (UnsupportedOperationException expected) {}58    }59    @Test60    public void test_isReadOnly() {61        assertFalse(fileSystem.isReadOnly());62    }63    @Test64    public void test_getSeparator() {65        assertEquals("/", fileSystem.getSeparator());66    }67    @Test68    public void test_getRootDirectories() {69        Iterable<Path> rootDirectories = fileSystem.getRootDirectories();70        Map<Path, Boolean> pathMap = new HashMap<>();71        rootDirectories.forEach(path -> pathMap.put(path, true));72        assertEquals(1, pathMap.size());73        assertTrue(pathMap.get(Paths.get("/")));74    }75    @Test76    public void test_getFileStores() {77        Iterable<FileStore> fileStores = fileSystem.getFileStores();78        // Asserting if the the list has non zero number stores.79        assertTrue(fileStores.iterator().hasNext());80    }81    @Test82    public void test_supportedFileAttributeViews() {83        Set<String> supportedFileAttributeViewsList = fileSystem.supportedFileAttributeViews();84        assertEquals(6, supportedFileAttributeViewsList.size());85        assertTrue(supportedFileAttributeViewsList.contains("posix"));86        assertTrue(supportedFileAttributeViewsList.contains("user"));87        assertTrue(supportedFileAttributeViewsList.contains("owner"));88        assertTrue(supportedFileAttributeViewsList.contains("unix"));89        assertTrue(supportedFileAttributeViewsList.contains("basic"));90        assertTrue(supportedFileAttributeViewsList.contains("dos"));91    }92    @Test93    public void test_get() {94        List<LinuxFileSystemTestData.TestData> inputOutputTestCases = getPathInputOutputTestData();95        for (LinuxFileSystemTestData.TestData inputOutputTestCase : inputOutputTestCases) {96            Assert.assertEquals(inputOutputTestCase.output, fileSystem.getPath(97                    inputOutputTestCase.input, inputOutputTestCase.inputArray).toString());98        }99        List<LinuxFileSystemTestData.TestData> exceptionTestCases = getPathExceptionTestData();100        for (LinuxFileSystemTestData.TestData exceptionTestCase : exceptionTestCases) {101            try {102                fileSystem.getPath(exceptionTestCase.input, exceptionTestCase.inputArray);103                Assert.fail();104            } catch (Exception expected) {105                Assert.assertEquals(exceptionTestCase.exceptionClass, expected.getClass());106            }107        }108    }109    @Test110    public void test_getPathMatcher_glob() {111        PathMatcher pathMatcher = fileSystem.getPathMatcher("glob:" + "*.java");112        assertTrue(pathMatcher.matches(Paths.get("f.java")));113        assertFalse(pathMatcher.matches(Paths.get("f")));114        pathMatcher = fileSystem.getPathMatcher("glob:" + "*.*");115        assertTrue(pathMatcher.matches(Paths.get("f.t")));116        assertFalse(pathMatcher.matches(Paths.get("f")));117        pathMatcher = fileSystem.getPathMatcher("glob:" + "*.{java,class}");118        assertTrue(pathMatcher.matches(Paths.get("f.java")));119        assertTrue(pathMatcher.matches(Paths.get("f.class")));120        assertFalse(pathMatcher.matches(Paths.get("f.clas")));121        assertFalse(pathMatcher.matches(Paths.get("f.t")));122        pathMatcher = fileSystem.getPathMatcher("glob:" + "f.?");123        assertTrue(pathMatcher.matches(Paths.get("f.t")));124        assertFalse(pathMatcher.matches(Paths.get("f.tl")));125        assertFalse(pathMatcher.matches(Paths.get("f.")));126        pathMatcher = fileSystem.getPathMatcher("glob:" + "/home/*/*");127        assertTrue(pathMatcher.matches(Paths.get("/home/f/d")));128        assertTrue(pathMatcher.matches(Paths.get("/home/f/*")));129        assertTrue(pathMatcher.matches(Paths.get("/home/*/*")));130        assertFalse(pathMatcher.matches(Paths.get("/home/f")));131        assertFalse(pathMatcher.matches(Paths.get("/home/f/d/d")));132        pathMatcher = fileSystem.getPathMatcher("glob:" + "/home/**");133        assertTrue(pathMatcher.matches(Paths.get("/home/f/d")));134        assertTrue(pathMatcher.matches(Paths.get("/home/f/*")));135        assertTrue(pathMatcher.matches(Paths.get("/home/*/*")));136        assertTrue(pathMatcher.matches(Paths.get("/home/f")));137        assertTrue(pathMatcher.matches(Paths.get("/home/f/d/d")));138        assertTrue(pathMatcher.matches(Paths.get("/home/f/d/d/d")));139    }140    @Test141    public void test_getPathMatcher_regex() {142        PathMatcher pathMatcher = fileSystem.getPathMatcher("regex:" + "(hello|hi)*[^a|b]?k.*");143        assertTrue(pathMatcher.matches(Paths.get("k")));144        assertTrue(pathMatcher.matches(Paths.get("ck")));145        assertFalse(pathMatcher.matches(Paths.get("ak")));146        assertTrue(pathMatcher.matches(Paths.get("kanything")));147        assertTrue(pathMatcher.matches(Paths.get("hellohik")));148        assertTrue(pathMatcher.matches(Paths.get("hellok")));149        assertTrue(pathMatcher.matches(Paths.get("hellohellohellok")));150        assertFalse(pathMatcher.matches(Paths.get("hellohellohellobk")));151        assertFalse(pathMatcher.matches(Paths.get("hello")));152    }153    @Test154    public void test_getPathMatcher_unsupported() {155        try {156            fileSystem.getPathMatcher("unsupported:test");157            fail();158        } catch (UnsupportedOperationException expected) {}159    }160    @Test161    public void test_getUserPrincipalLookupService() {162        assertNotNull(fileSystem.getUserPrincipalLookupService());163    }164    @Test165    public void test_newWatchService() throws IOException {...

1package com.baeldung.boot.daos;2import static junit.framework.TestCase.assertEquals;3import static junit.framework.TestCase.assertFalse;4import static junit.framework.TestCase.assertNotNull;5import static junit.framework.TestCase.assertNull;6import static junit.framework.TestCase.assertTrue;7import java.util.List;8import java.util.Optional;9import org.junit.Test;10import org.junit.runner.RunWith;11import org.springframework.beans.factory.annotation.Autowired;12import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;13import org.springframework.test.context.junit4.SpringRunner;14import com.baeldung.boot.domain.Item;15import com.baeldung.boot.domain.ItemType;16import com.baeldung.boot.domain.Location;17import com.baeldung.boot.domain.Store;18@RunWith(SpringRunner.class)19@DataJpaTest(properties="spring.sql.init.data-locations=classpath:import_entities.sql", showSql = false)20public class JpaRepositoriesIntegrationTest {21    @Autowired22    private LocationRepository locationRepository;23    @Autowired24    private StoreRepository storeRepository;25    @Autowired26    private ItemTypeRepository compositeRepository;27    @Autowired28    private ReadOnlyLocationRepository readOnlyRepository;29    @Test30    public void whenSaveLocation_ThenGetSameLocation() {31        Location location = new Location();32        location.setId(100L);33        location.setCountry("Country H");34        location.setCity("City Hundred");35        location = locationRepository.saveAndFlush(location);36        Location otherLocation = locationRepository.getOne(location.getId());37        assertEquals("Country H", otherLocation.getCountry());38        assertEquals("City Hundred", otherLocation.getCity());39        locationRepository.delete(otherLocation);40    }41    @Test42    public void givenLocationId_whenFindStores_thenGetStores() {43        List<Store> stores = storeRepository.findStoreByLocationId(1L);44        assertEquals(1, stores.size());45    }46    @Test47    public void givenItemTypeId_whenDeleted_ThenItemTypeDeleted() {48        Optional<ItemType> itemType = compositeRepository.findById(1L);49        assertTrue(itemType.isPresent());50        compositeRepository.deleteCustom(itemType.get());51        itemType = compositeRepository.findById(1L);52        assertFalse(itemType.isPresent());53    }54    @Test55    public void givenItemId_whenUsingCustomRepo_ThenDeleteAppropriateEntity() {56        Item item = compositeRepository.findItemById(1L);57        assertNotNull(item);58        compositeRepository.deleteCustom(item);59        item = compositeRepository.findItemById(1L);60        assertNull(item);61    }62    @Test63    public void givenItemAndItemType_WhenAmbiguousDeleteCalled_ThenItemTypeDeletedAndNotItem() {64        Optional<ItemType> itemType = compositeRepository.findById(1L);65        assertTrue(itemType.isPresent());66        Item item = compositeRepository.findItemById(2L);67        assertNotNull(item);68        compositeRepository.findThenDelete(1L);69        Optional<ItemType> sameItemType = compositeRepository.findById(1L);70        assertFalse(sameItemType.isPresent());71        Item sameItem = compositeRepository.findItemById(2L);72        assertNotNull(sameItem);73    }74    @Test75    public void whenCreatingReadOnlyRepo_thenHaveOnlyReadOnlyOperationsAvailable() {76        Optional<Location> location = readOnlyRepository.findById(1L);77        assertNotNull(location);78    }79}...

...8import org.junit.BeforeClass;9import org.junit.ClassRule;10import org.junit.Test;11import static junit.framework.TestCase.assertEquals;12import static junit.framework.TestCase.assertFalse;13import static junit.framework.TestCase.assertNotNull;14import static junit.framework.TestCase.assertNull;15import static junit.framework.TestCase.assertTrue;16/**17 * <p>Integration tests for the debug-related operations on the Vault HTTP API's.</p>18 */19public class DebugTests {20    @ClassRule21    public static final VaultContainer container = new VaultContainer();22    private Vault vault;23    @BeforeClass24    public static void setupClass() throws IOException, InterruptedException {25        container.initAndUnsealVault();26    }27    @Before28    public void setup() throws VaultException {29        vault = container.getRootVault();30    }31    @Test32    public void testHealth_Plain() throws VaultException {33        final HealthResponse response = vault.debug().health();34        assertTrue(response.getInitialized());35        assertFalse(response.getSealed());36        assertFalse(response.getStandby());37        assertNotNull(response.getServerTimeUTC());38        assertEquals(200, response.getRestResponse().getStatus());39    }40    @Test41    public void testHealth_WithParams() throws VaultException {42        final HealthResponse response = vault.debug().health(null, 212, null, null);43        assertTrue(response.getInitialized());44        assertFalse(response.getSealed());45        assertFalse(response.getStandby());46        assertNotNull(response.getServerTimeUTC());47        assertEquals(212, response.getRestResponse().getStatus());48    }49    /**50     * <p>Altering the default HTTP status codes with optional parameters can cause Vault to return an empty JSON51     * payload, depending on which replacement HTTP status code you specify.</p>52     *53     * <p>For example... Vault still returns a valid JSON payload when you change activeCode to 212 (see test above),54     * but returns an empty payload when you set it to use 204.</p>55     *56     * @throws VaultException57     */58    @Test59    public void testHealth_WonkyActiveCode() throws VaultException {...

...3import java.io.FileNotFoundException;4import java.io.IOException;5import junit.framework.TestCase;6import static junit.framework.TestCase.assertEquals;7import static junit.framework.TestCase.assertFalse;8import static junit.framework.TestCase.assertNotNull;9import static junit.framework.TestCase.assertNotSame;10import static junit.framework.TestCase.assertTrue;11import static org.junit.Assert.assertNotEquals;12import org.junit.Test;13/**14 *15 * @author cicciog16 */17public class TestFileManager {18    FileManager fileManager = new FileManager();19    String test = "/testdirectory";20    String filename = "file";21    String[] files;22    @Test23    public void testAdd() throws FileNotFoundException, IOException {24        //check for not null value25        assertNotNull(fileManager);26        //check if a working directory path is not empty27        assertTrue(fileManager.getWorkDirectory().length() > 0);28        File file = fileManager.createDirectory(fileManager.getWorkDirectory() + test);29        //check for not null value30        assertNotNull(file);31        //check if the source directory is empty32        assertEquals(fileManager.checkIfAdirectoryIsEmpty(fileManager.getWorkDirectory() + test), true);33        //create files in a directory and check files list34        File file1 = new File(fileManager.getWorkDirectory() + test + "/" + filename + 1 + ".txt");35        File file2 = new File(fileManager.getWorkDirectory() + test + "/" + filename + 2 + ".txt");36        File file3 = new File(fileManager.getWorkDirectory() + test + "/" + filename + 3 + ".txt");37        file1.createNewFile();38        file2.createNewFile();39        file3.createNewFile();40        files = fileManager.getFileListInADirectory(fileManager.getWorkDirectory() + test);41        assertTrue(files.length > 0);42        //delete files and after check if they exist or not43        fileManager.deleteFile(file1.getAbsolutePath());44        fileManager.deleteFile(file2.getAbsolutePath());45        fileManager.deleteFile(file3.getAbsolutePath());46        assertFalse(fileManager.fileExist(file1.getAbsolutePath()));47        assertFalse(fileManager.fileExist(file2.getAbsolutePath()));48        assertFalse(fileManager.fileExist(file3.getAbsolutePath()));49        //check if the delete is correct50        boolean before = fileManager.fileExist(fileManager.getWorkDirectory() + test);51        assertEquals(true, before);52        fileManager.deleteFolder(file);53        boolean after = fileManager.fileExist(fileManager.getWorkDirectory() + test);54        assertNotSame(after, before);55        assertNotEquals(after, before);56    }57}...

...53        super.tearDown();54    }55    56    public void test_stuff() throws Exception {57        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT @@version"));58        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT 1 — comment"));59        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT /*comment*/1"));60        Assert.assertFalse(WallUtils.isValidateSqlServer("WAITFOR DELAY ’0:0:5′ "));61        Assert.assertFalse(WallUtils.isValidateSqlServer("BULK INSERT mydata FROM ‘c:boot.ini’;"));                  62    }    
...

1package org.redis.objects;2import static junit.framework.TestCase.assertEquals;3import static junit.framework.TestCase.assertFalse;4import static junit.framework.TestCase.assertNotNull;5import static junit.framework.TestCase.assertTrue;6import org.junit.Test;7import redis.clients.jedis.JedisPool;8/**9 *10 * @author Mathieu MAST11 */12public class RedisMapTest {13    @Test14    public void basicTest() {15        JedisPool jedisPool = new JedisPool("localhost");16        RedisMap<String, Integer> map = new RedisMap.RedisMapBuilder<String, Integer>().jedisPool(jedisPool).name("testMap").build();17               18        map.clear();19        assertTrue(map.isEmpty());20        assertFalse(map.containsKey("a"));21        assertNotNull(map.toString());22        map.put("a", 1);23        assertTrue(map.containsKey("a"));24        assertFalse(map.isEmpty());25        assertEquals(1, map.size());26        assertEquals(1, (int) map.get("a"));27        map.put("a", 2);28        assertEquals(2, (int) map.get("a"));29        map.remove("a");30        assertTrue(map.isEmpty());31        map.put("a", 1);32        assertFalse(map.isEmpty());33        assertEquals(1, map.size());34        map.put("b", 2);35        assertEquals(2, map.size());36        map.put("c", 3);37        assertEquals(3, map.size());38        map.clear();39        assertTrue(map.isEmpty());40        assertEquals(null, map.get("a"));41        assertEquals(null, map.get("b"));42        assertEquals(null, map.get("c"));43    }44}...

1package org.onosproject.store.consistent.impl;2import static junit.framework.TestCase.assertEquals;3import static junit.framework.TestCase.assertFalse;4import static junit.framework.TestCase.assertTrue;5import org.junit.Test;6import com.google.common.base.Objects;7/**8 * Unit tests for Match.9 */10public class MatchTest {11    @Test12    public void testMatches() {13        Match<String> m1 = Match.any();14        assertTrue(m1.matches(null));15        assertTrue(m1.matches("foo"));16        assertTrue(m1.matches("bar"));17        Match<String> m2 = Match.ifNull();18        assertTrue(m2.matches(null));19        assertFalse(m2.matches("foo"));20        Match<String> m3 = Match.ifValue("foo");21        assertFalse(m3.matches(null));22        assertFalse(m3.matches("bar"));23        assertTrue(m3.matches("foo"));24    }25    @Test26    public void testEquals() {27        Match<String> m1 = Match.any();28        Match<String> m2 = Match.any();29        Match<String> m3 = Match.ifNull();30        Match<String> m4 = Match.ifValue("bar");31        assertEquals(m1, m2);32        assertFalse(Objects.equal(m1, m3));33        assertFalse(Objects.equal(m3, m4));34    }35    @Test36    public void testMap() {37        Match<String> m1 = Match.ifNull();38        assertEquals(m1.map(s -> "bar"), Match.ifNull());39        Match<String> m2 = Match.ifValue("foo");40        Match<String> m3 = m2.map(s -> "bar");41        assertTrue(m3.matches("bar"));42    }43}...

1package org.onosproject.store.consistent.impl;2import static junit.framework.TestCase.assertEquals;3import static junit.framework.TestCase.assertFalse;4import static junit.framework.TestCase.assertNull;5import static junit.framework.TestCase.assertTrue;6import org.junit.Test;7/**8 * Unit tests for Result.9 */10public class ResultTest {11    @Test12    public void testLocked() {13        Result<String> r = Result.locked();14        assertFalse(r.success());15        assertNull(r.value());16        assertEquals(Result.Status.LOCKED, r.status());17    }18    @Test19    public void testOk() {20        Result<String> r = Result.ok("foo");21        assertTrue(r.success());22        assertEquals("foo", r.value());23        assertEquals(Result.Status.OK, r.status());24    }25    @Test26    public void testEquality() {27        Result<String> r1 = Result.ok("foo");28        Result<String> r2 = Result.locked();29        Result<String> r3 = Result.ok("bar");30        Result<String> r4 = Result.ok("foo");31        assertTrue(r1.equals(r4));32        assertFalse(r1.equals(r2));33        assertFalse(r1.equals(r3));34        assertFalse(r2.equals(r3));35    }36}...

1import junit.framework.TestCase;2public class TestJunit extends TestCase {3   protected int value1, value2;4   protected void setUp(){5      value1 = 3;6      value2 = 3;7   }8   public void testAdd(){9      double result = value1 + value2;10      assertTrue(result == 6);11   }12}13C:\Users\USER\Downloads>java -cp .;junit-4.12.jar;hamcrest-core-1.3.jar org.junit.runner.JUnitCore TestJunit14OK (1 test)15Java Junit assertArrayEquals() Method16public static void assertArrayEquals(String message, byte[] expecteds, byte[] actuals)17public static void assertArrayEquals(String message, char[] expecteds, char[] actuals)18public static void assertArrayEquals(String message, double[] expecteds, double[] actuals, double delta)19public static void assertArrayEquals(String message, float[] expecteds, float[] actuals, float delta)20public static void assertArrayEquals(String message, int[] expecteds, int[] actuals)21public static void assertArrayEquals(String message, long[] expecteds, long[] actuals)22public static void assertArrayEquals(String message, Object[] expecteds, Object[] actuals)23public static void assertArrayEquals(String message, short[] expecteds, short[] actuals)24public static void assertArrayEquals(String message, boolean[] expecteds, boolean[] actuals)25public static void assertArrayEquals(byte[] expecteds, byte[] actuals)26public static void assertArrayEquals(char[] expecteds, char[] actuals)27public static void assertArrayEquals(double[] expecteds, double[] actuals, double delta)28public static void assertArrayEquals(float[] expecteds, float[] actuals, float delta)29public static void assertArrayEquals(int[] expecteds, int[] actuals)

1import static org.junit.Assert.assertFalse;2import org.junit.Test;3public class TestJunit {4   public void testAdd() {5      String str = "Junit is working fine";6      assertFalse("Check if str is empty", str.isEmpty());7   }8}9      assertFalse("Check if str is empty", str.isEmpty());10assertTrue(boolean condition)11import static org.junit.Assert.assertTrue;12import org.junit.Test;13public class TestJunit {14   public void testAdd() {15      String str = "Junit is working fine";16      assertTrue("Check if str is empty", str.isEmpty());17   }18}19      assertTrue("Check if str is empty", str.isEmpty());20assertNotNull(Object object)

1import junit.framework.TestCase;2public class AssertFalseExample extends TestCase {3   public void testAssertFalse() {4      assertFalse( "failure - should be false", false );5   }6}7    at junit.framework.TestCase.fail(TestCase.java:47)8    at junit.framework.TestCase.assertFalse(TestCase.java:66)9    at junit.framework.TestCase.assertFalse(TestCase.java:72)10    at AssertFalseExample.testAssertFalse(AssertFalseExample.java:9)

1import junit.framework.TestCase;2public class TestAssertFalse extends TestCase {3   public void testAssertFalse() {4      assertFalse(false);5   }6}7JUnit assertTrue() and assertFalse() methods are used to test whether a condition is true or false. assertTrue() method is used to test if a condition