How to use ComparisonCompactor class of junit.framework package

...10    	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)11    	at jadx.api.JavaClass.decompile(JavaClass.java:62)12    	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)13    */14public class ComparisonCompactor {15    private static final String DELTA_END = "]";16    private static final String DELTA_START = "[";17    private static final String ELLIPSIS = "...";18    private String fActual;19    private int fContextLength;20    private String fExpected;21    private int fPrefix;22    private int fSuffix;23    /*  JADX ERROR: Method load error24        jadx.core.utils.exceptions.DecodeException: Load method exception: bogus opcode: 00e6 in method: junit.framework.ComparisonCompactor.<init>(int, java.lang.String, java.lang.String):void, dex: 25        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)26        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)27        	at jadx.core.ProcessClass.process(ProcessClass.java:29)28        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)29        	at jadx.api.JavaClass.decompile(JavaClass.java:62)30        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)31        Caused by: java.lang.IllegalArgumentException: bogus opcode: 00e632        	at com.android.dx.io.OpcodeInfo.get(OpcodeInfo.java:1227)33        	at com.android.dx.io.OpcodeInfo.getName(OpcodeInfo.java:1234)34        	at jadx.core.dex.instructions.InsnDecoder.decode(InsnDecoder.java:581)35        	at jadx.core.dex.instructions.InsnDecoder.process(InsnDecoder.java:74)36        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:104)37        	... 5 more38        */39    public ComparisonCompactor(int r1, java.lang.String r2, java.lang.String r3) {40        /*41        // Can't load method instructions: Load method exception: bogus opcode: 00e6 in method: junit.framework.ComparisonCompactor.<init>(int, java.lang.String, java.lang.String):void, dex: 42        */43        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.<init>(int, java.lang.String, java.lang.String):void");44    }45    /*  JADX ERROR: Method load error46        jadx.core.utils.exceptions.DecodeException: Load method exception: bogus opcode: 00e5 in method: junit.framework.ComparisonCompactor.areStringsEqual():boolean, dex: 47        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)48        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)49        	at jadx.core.ProcessClass.process(ProcessClass.java:29)50        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)51        	at jadx.api.JavaClass.decompile(JavaClass.java:62)52        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)53        Caused by: java.lang.IllegalArgumentException: bogus opcode: 00e554        	at com.android.dx.io.OpcodeInfo.get(OpcodeInfo.java:1227)55        	at com.android.dx.io.OpcodeInfo.getName(OpcodeInfo.java:1234)56        	at jadx.core.dex.instructions.InsnDecoder.decode(InsnDecoder.java:581)57        	at jadx.core.dex.instructions.InsnDecoder.process(InsnDecoder.java:74)58        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:104)59        	... 5 more60        */61    private boolean areStringsEqual() {62        /*63        // Can't load method instructions: Load method exception: bogus opcode: 00e5 in method: junit.framework.ComparisonCompactor.areStringsEqual():boolean, dex: 64        */65        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.areStringsEqual():boolean");66    }67    /*  JADX ERROR: Method load error68        jadx.core.utils.exceptions.DecodeException: Load method exception: bogus opcode: 00e9 in method: junit.framework.ComparisonCompactor.compactString(java.lang.String):java.lang.String, dex: 69        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)70        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)71        	at jadx.core.ProcessClass.process(ProcessClass.java:29)72        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)73        	at jadx.api.JavaClass.decompile(JavaClass.java:62)74        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)75        Caused by: java.lang.IllegalArgumentException: bogus opcode: 00e976        	at com.android.dx.io.OpcodeInfo.get(OpcodeInfo.java:1227)77        	at com.android.dx.io.OpcodeInfo.getName(OpcodeInfo.java:1234)78        	at jadx.core.dex.instructions.InsnDecoder.decode(InsnDecoder.java:581)79        	at jadx.core.dex.instructions.InsnDecoder.process(InsnDecoder.java:74)80        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:104)81        	... 5 more82        */83    private java.lang.String compactString(java.lang.String r1) {84        /*85        // Can't load method instructions: Load method exception: bogus opcode: 00e9 in method: junit.framework.ComparisonCompactor.compactString(java.lang.String):java.lang.String, dex: 86        */87        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.compactString(java.lang.String):java.lang.String");88    }89    /*  JADX ERROR: Method load error90        jadx.core.utils.exceptions.DecodeException: Load method exception: bogus opcode: 00e3 in method: junit.framework.ComparisonCompactor.computeCommonPrefix():java.lang.String, dex: 91        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)92        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)93        	at jadx.core.ProcessClass.process(ProcessClass.java:29)94        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)95        	at jadx.api.JavaClass.decompile(JavaClass.java:62)96        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)97        Caused by: java.lang.IllegalArgumentException: bogus opcode: 00e398        	at com.android.dx.io.OpcodeInfo.get(OpcodeInfo.java:1227)99        	at com.android.dx.io.OpcodeInfo.getName(OpcodeInfo.java:1234)100        	at jadx.core.dex.instructions.InsnDecoder.decode(InsnDecoder.java:581)101        	at jadx.core.dex.instructions.InsnDecoder.process(InsnDecoder.java:74)102        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:104)103        	... 5 more104        */105    private java.lang.String computeCommonPrefix() {106        /*107        // Can't load method instructions: Load method exception: bogus opcode: 00e3 in method: junit.framework.ComparisonCompactor.computeCommonPrefix():java.lang.String, dex: 108        */109        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.computeCommonPrefix():java.lang.String");110    }111    /*  JADX ERROR: Method load error112        jadx.core.utils.exceptions.DecodeException: Load method exception: bogus opcode: 00e5 in method: junit.framework.ComparisonCompactor.computeCommonSuffix():java.lang.String, dex: 113        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)114        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)115        	at jadx.core.ProcessClass.process(ProcessClass.java:29)116        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)117        	at jadx.api.JavaClass.decompile(JavaClass.java:62)118        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)119        Caused by: java.lang.IllegalArgumentException: bogus opcode: 00e5120        	at com.android.dx.io.OpcodeInfo.get(OpcodeInfo.java:1227)121        	at com.android.dx.io.OpcodeInfo.getName(OpcodeInfo.java:1234)122        	at jadx.core.dex.instructions.InsnDecoder.decode(InsnDecoder.java:581)123        	at jadx.core.dex.instructions.InsnDecoder.process(InsnDecoder.java:74)124        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:104)125        	... 5 more126        */127    private java.lang.String computeCommonSuffix() {128        /*129        // Can't load method instructions: Load method exception: bogus opcode: 00e5 in method: junit.framework.ComparisonCompactor.computeCommonSuffix():java.lang.String, dex: 130        */131        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.computeCommonSuffix():java.lang.String");132    }133    /*  JADX ERROR: Method load error134        jadx.core.utils.exceptions.DecodeException: Load method exception: null in method: junit.framework.ComparisonCompactor.findCommonPrefix():void, dex:  in method: junit.framework.ComparisonCompactor.findCommonPrefix():void, dex: 135        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)136        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)137        	at jadx.core.ProcessClass.process(ProcessClass.java:29)138        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)139        	at jadx.api.JavaClass.decompile(JavaClass.java:62)140        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)141        Caused by: jadx.core.utils.exceptions.DecodeException: null in method: junit.framework.ComparisonCompactor.findCommonPrefix():void, dex: 142        	at jadx.core.dex.instructions.InsnDecoder.decodeInsns(InsnDecoder.java:51)143        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:103)144        	... 5 more145        Caused by: java.io.EOFException146        	at com.android.dx.io.instructions.ShortArrayCodeInput.read(ShortArrayCodeInput.java:54)147        	at com.android.dx.io.instructions.ShortArrayCodeInput.readInt(ShortArrayCodeInput.java:62)148        	at com.android.dx.io.instructions.InstructionCodec$22.decode(InstructionCodec.java:490)149        	at jadx.core.dex.instructions.InsnDecoder.decodeRawInsn(InsnDecoder.java:66)150        	at jadx.core.dex.instructions.InsnDecoder.decodeInsns(InsnDecoder.java:48)151        	... 6 more152        */153    private void findCommonPrefix() {154        /*155        // Can't load method instructions: Load method exception: null in method: junit.framework.ComparisonCompactor.findCommonPrefix():void, dex:  in method: junit.framework.ComparisonCompactor.findCommonPrefix():void, dex: 156        */157        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.findCommonPrefix():void");158    }159    /*  JADX ERROR: Method load error160        jadx.core.utils.exceptions.DecodeException: Load method exception: bogus opcode: 00e5 in method: junit.framework.ComparisonCompactor.findCommonSuffix():void, dex: 161        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)162        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)163        	at jadx.core.ProcessClass.process(ProcessClass.java:29)164        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)165        	at jadx.api.JavaClass.decompile(JavaClass.java:62)166        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)167        Caused by: java.lang.IllegalArgumentException: bogus opcode: 00e5168        	at com.android.dx.io.OpcodeInfo.get(OpcodeInfo.java:1227)169        	at com.android.dx.io.OpcodeInfo.getName(OpcodeInfo.java:1234)170        	at jadx.core.dex.instructions.InsnDecoder.decode(InsnDecoder.java:581)171        	at jadx.core.dex.instructions.InsnDecoder.process(InsnDecoder.java:74)172        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:104)173        	... 5 more174        */175    private void findCommonSuffix() {176        /*177        // Can't load method instructions: Load method exception: bogus opcode: 00e5 in method: junit.framework.ComparisonCompactor.findCommonSuffix():void, dex: 178        */179        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.findCommonSuffix():void");180    }181    /*  JADX ERROR: Method load error182        jadx.core.utils.exceptions.DecodeException: Load method exception: bogus opcode: 00e9 in method: junit.framework.ComparisonCompactor.format(java.lang.String, java.lang.Object, java.lang.Object):java.lang.String, dex: 183        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)184        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)185        	at jadx.core.ProcessClass.process(ProcessClass.java:29)186        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)187        	at jadx.api.JavaClass.decompile(JavaClass.java:62)188        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)189        Caused by: java.lang.IllegalArgumentException: bogus opcode: 00e9190        	at com.android.dx.io.OpcodeInfo.get(OpcodeInfo.java:1227)191        	at com.android.dx.io.OpcodeInfo.getName(OpcodeInfo.java:1234)192        	at jadx.core.dex.instructions.InsnDecoder.decode(InsnDecoder.java:581)193        	at jadx.core.dex.instructions.InsnDecoder.process(InsnDecoder.java:74)194        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:104)195        	... 5 more196        */197    private static java.lang.String format(java.lang.String r1, java.lang.Object r2, java.lang.Object r3) {198        /*199        // Can't load method instructions: Load method exception: bogus opcode: 00e9 in method: junit.framework.ComparisonCompactor.format(java.lang.String, java.lang.Object, java.lang.Object):java.lang.String, dex: 200        */201        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.format(java.lang.String, java.lang.Object, java.lang.Object):java.lang.String");202    }203    /*  JADX ERROR: Method load error204        jadx.core.utils.exceptions.DecodeException: Load method exception: bogus opcode: 00e5 in method: junit.framework.ComparisonCompactor.compact(java.lang.String):java.lang.String, dex: 205        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:118)206        	at jadx.core.dex.nodes.ClassNode.load(ClassNode.java:248)207        	at jadx.core.ProcessClass.process(ProcessClass.java:29)208        	at jadx.api.JadxDecompiler.processClass(JadxDecompiler.java:292)209        	at jadx.api.JavaClass.decompile(JavaClass.java:62)210        	at jadx.api.JadxDecompiler.lambda$appendSourcesSave$0(JadxDecompiler.java:200)211        Caused by: java.lang.IllegalArgumentException: bogus opcode: 00e5212        	at com.android.dx.io.OpcodeInfo.get(OpcodeInfo.java:1227)213        	at com.android.dx.io.OpcodeInfo.getName(OpcodeInfo.java:1234)214        	at jadx.core.dex.instructions.InsnDecoder.decode(InsnDecoder.java:581)215        	at jadx.core.dex.instructions.InsnDecoder.process(InsnDecoder.java:74)216        	at jadx.core.dex.nodes.MethodNode.load(MethodNode.java:104)217        	... 5 more218        */219    public java.lang.String compact(java.lang.String r1) {220        /*221        // Can't load method instructions: Load method exception: bogus opcode: 00e5 in method: junit.framework.ComparisonCompactor.compact(java.lang.String):java.lang.String, dex: 222        */223        throw new UnsupportedOperationException("Method not decompiled: junit.framework.ComparisonCompactor.compact(java.lang.String):java.lang.String");224    }225}...

1package junit.tests.framework;2import junit.framework.ComparisonCompactor;3import junit.framework.TestCase;4public class ComparisonCompactorTest extends TestCase {5	public void testMessage() {6		String failure= new ComparisonCompactor(0, "b", "c").compact("a");7		assertTrue("a expected:<[b]> but was:<[c]>".equals(failure));8	}9	public void testStartSame() {10		String failure= new ComparisonCompactor(1, "ba", "bc").compact(null);11		assertEquals("expected:<b[a]> but was:<b[c]>", failure);12	}13	public void testEndSame() {14		String  failure= new ComparisonCompactor(1, "ab", "cb").compact(null);15		assertEquals("expected:<[a]b> but was:<[c]b>", failure);16	}17	public void testSame() {18		String failure= new ComparisonCompactor(1, "ab", "ab").compact(null);19		assertEquals("expected:<ab> but was:<ab>", failure);20	}21	public void testNoContextStartAndEndSame() {22		String failure= new ComparisonCompactor(0, "abc", "adc").compact(null);23		assertEquals("expected:<...[b]...> but was:<...[d]...>", failure);24	}25	public void testStartAndEndContext() {26		String failure= new ComparisonCompactor(1, "abc", "adc").compact(null);27		assertEquals("expected:<a[b]c> but was:<a[d]c>", failure);28	}29	public void testStartAndEndContextWithEllipses() {30		String failure= new ComparisonCompactor(1, "abcde", "abfde").compact(null);31		assertEquals("expected:<...b[c]d...> but was:<...b[f]d...>", failure);32	}33	public void testComparisonErrorStartSameComplete() {34		String failure= new ComparisonCompactor(2, "ab", "abc").compact(null);35		assertEquals("expected:<ab[]> but was:<ab[c]>", failure);36	}37	public void testComparisonErrorEndSameComplete() {38		String failure= new ComparisonCompactor(0, "bc", "abc").compact(null);39		assertEquals("expected:<[]...> but was:<[a]...>", failure);40	}41	42	public void testComparisonErrorEndSameCompleteContext() {43		String failure= new ComparisonCompactor(2, "bc", "abc").compact(null);44		assertEquals("expected:<[]bc> but was:<[a]bc>", failure);45	}46	public void testComparisonErrorOverlapingMatches() {47		String failure= new ComparisonCompactor(0, "abc", "abbc").compact(null);48		assertEquals("expected:<...[]...> but was:<...[b]...>", failure);49	}50	public void testComparisonErrorOverlapingMatchesContext() {51		String failure= new ComparisonCompactor(2, "abc", "abbc").compact(null);52		assertEquals("expected:<ab[]c> but was:<ab[b]c>", failure);53	}54	public void testComparisonErrorOverlapingMatches2() {55		String failure= new ComparisonCompactor(0, "abcdde", "abcde").compact(null);56		assertEquals("expected:<...[d]...> but was:<...[]...>", failure);57	}58	public void testComparisonErrorOverlapingMatches2Context() {59		String failure= new ComparisonCompactor(2, "abcdde", "abcde").compact(null);60		assertEquals("expected:<...cd[d]e> but was:<...cd[]e>", failure);61	}62	public void testComparisonErrorWithActualNull() {63		String failure= new ComparisonCompactor(0, "a", null).compact(null);64		assertEquals("expected:<a> but was:<null>", failure);65	}66	67	public void testComparisonErrorWithActualNullContext() {68		String failure= new ComparisonCompactor(2, "a", null).compact(null);69		assertEquals("expected:<a> but was:<null>", failure);70	}71	public void testComparisonErrorWithExpectedNull() {72		String failure= new ComparisonCompactor(0, null, "a").compact(null);73		assertEquals("expected:<null> but was:<a>", failure);74	}75	76	public void testComparisonErrorWithExpectedNullContext() {77		String failure= new ComparisonCompactor(2, null, "a").compact(null);78		assertEquals("expected:<null> but was:<a>", failure);79	}80	81	public void testBug609972() {82		String failure= new ComparisonCompactor(10, "S&P500", "0").compact(null);83		assertEquals("expected:<[S&P50]0> but was:<[]0>", failure);84	}85}...

1package com.example;2import junit.framework.ComparisonCompactor;3public class ComparisonCompactorTest {4    public static void main(String[] args) {5        ComparisonCompactor cc = new ComparisonCompactor(0, "b", "c");6        System.out.println(cc.compact("b"));7    }8}9package com.example;10import junit.framework.ComparisonCompactor;11public class ComparisonCompactorTest {12    public static void main(String[] args) {13        ComparisonCompactor cc = new ComparisonCompactor(0, "a", "b");14        System.out.println(cc.compact("a"));15    }16}17package com.example;18import junit.framework.ComparisonCompactor;19public class ComparisonCompactorTest {20    public static void main(String[] args) {21        ComparisonCompactor cc = new ComparisonCompactor(1, "a", "b");22        System.out.println(cc.compact("a"));23    }24}25package com.example;26import junit.framework.ComparisonCompactor;27public class ComparisonCompactorTest {28    public static void main(String[] args) {29        ComparisonCompactor cc = new ComparisonCompactor(2, "a", "b");30        System.out.println(cc.compact("a"));31    }32}

1package com.javacodegeeks.junit;2import junit.framework.ComparisonCompactor;3import org.junit.Test;4import static org.junit.Assert.assertEquals;5public class ComparisonCompactorTest {6   public void testMessage() {7      ComparisonCompactor comparisonCompactor = new ComparisonCompactor(0, "b", "c");8      comparisonCompactor.compact("a");9      assertEquals("a expected:<[b]> but was:<[c]>", comparisonCompactor.getMessage());10   }11}

1public class ComparisonCompactor {2    private static final String ELLIPSIS = "...";3    private static final String DELTA_END = "]";4    private static final String DELTA_START = "[";5    private int contextLength;6    private String expected;7    private String actual;8    private int prefix;9    private int suffix;10    public ComparisonCompactor(int contextLength, String expected, String actual) {11        this.contextLength = contextLength;12        this.expected = expected;13        this.actual = actual;14    }15    public String compact(String message) {16        if (expected == null || actual == null || areStringsEqual()) {17            return Assert.format(message, expected, actual);18        } else {19            findCommonPrefix();20            findCommonSuffix();21            String expectedCompacted = compactString(expected);22            String actualCompacted = compactString(actual);23            return Assert.format(message, expectedCompacted, actualCompacted);24        }25    }26    private boolean areStringsEqual() {27        return expected.equals(actual);28    }29    private void findCommonPrefix() {30        prefix = 0;31        int end = Math.min(expected.length(), actual.length());32        for (; prefix < end; prefix++) {33            if (expected.charAt(prefix) != actual.charAt(prefix)) {34                break;35            }36        }37    }38    private void findCommonSuffix() {39        int expectedSuffix = expected.length() - 1;40        int actualSuffix = actual.length() - 1;41        for (; actualSuffix >= prefix && expectedSuffix >= prefix; actualSuffix--, expectedSuffix--) {42            if (expected.charAt(expectedSuffix) != actual.charAt(actualSuffix)) {43                break;44            }45        }46        suffix = expected.length() - expectedSuffix;47    }48    private String compactString(String source) {49        String result = DELTA_START + source.substring(prefix, source.length() - suffix + 1) + DELTA_END;50        if (prefix > 0) {51            result = computeCommonPrefix() + result;52        }53        if (suffix > 0) {54            result = result + computeCommonSuffix();55        }56        return result;57    }58    private String computeCommonPrefix() {59        return (prefix > contextLength ? ELLIPSIS : "") + expected.substring(Math.max(0, prefix - contextLength), prefix);60    }61    private String computeCommonSuffix() {

1import org.junit.ComparisonFailure;2public class ComparisonFailureExample {3	public static void main(String[] args) {4		String expected = "abc";5		String actual = "xyz";6		ComparisonFailure failure = new ComparisonFailure("failure", expected, actual);7		String compactedFailure = failure.getMessage();8		System.out.println(compactedFailure);9	}10}11Related posts: JUnit 4 @Test(expected = Exception.class) Example JUnit 4 Test Class Example JUnit 4 Test Suite Example JUnit 4 Parameterized Test Example JUnit 4 @Ignore Test Example JUnit 4 @Before and @After Test Example JUnit 4 @BeforeClass and @AfterClass Test Example JUnit 4 @Rule Test Example JUnit 4 @Test(timeout = 1000) Example JUnit 4 @RunWith Test Example JUnit 4 @Category Test Example JUnit 4 @Parameters Test Example JUnit 4 @Parameterized Test Example JUnit 4 @TestFactory Test Example JUnit 4 @TestTemplate Test Example JUnit 4 @ExtendWith Test Example JUnit 4 @Disabled Test Example JUnit 4 @Tag Test Example JUnit 4 @DisplayName Test Example JUnit 4 @RepeatedTest Test Example JUnit 4 @Nested Test Example JUnit 4 @RegisterExtension Test Example JUnit 4 @TestInstance Test Example JUnit 4 @TestInfo Test Example JUnit 4 @TestReporter Test Example JUnit 4 @Timeout Test Example JUnit 4 @ValueSource Test Example JUnit 4 @EnumSource Test Example JUnit 4 @CsvSource Test Example JUnit 4 @CsvFileSource Test Example JUnit 4 @MethodSource Test Example JUnit 4 @ArgumentsSource Test Example JUnit 4 @ParameterizedTest Test Example JUnit 4 @NullAndEmptySource Test Example

1package com.journaldev.compactor;2import junit.framework.ComparisonCompactor;3public class ComparisonCompactorTest {4    public static void main(String[] args) {5        String expected = "This is a test";6        String actual = "This is a test!";7        ComparisonCompactor compactor = new ComparisonCompactor(10, expected, actual);8        System.out.println(compactor.compact("String comparison failed"));9    }10}

1package org.hamcrest.core;2import java.util.Arrays;3import junit.framework.AssertionFailedError;4import junit.framework.ComparisonCompactor;5import org.hamcrest.BaseMatcher;6import org.hamcrest.Description;7import org.hamcrest.Factory;8import org.hamcrest.Matcher;9public class IsEqual<T> extends BaseMatcher<T> {10  private final T expectedValue;11  public IsEqual(T value) {12    expectedValue = value;13  }14  public boolean matches(Object actualValue) {15    return areEqual(actualValue, expectedValue);16  }17  public void describeTo(Description description) {18    description.appendValue(expectedValue);19  }20  public void describeMismatch(Object item, Description description) {21    if (areEqual(item, expectedValue)) {22      super.describeMismatch(item, description);23    } else {24      ComparisonCompactor compactor = new ComparisonCompactor(20, expectedValue, item);25      description.appendText(compactor.compact(superMismatchDescription(item)));26    }27  }28  private boolean areEqual(Object actual, Object expected) {29    return expected == null ? actual == null : expected.equals(actual);30  }31  private String superMismatchDescription(Object item) {32    return super.mismatchDescription(item).toString();33  }34  public static <T> Matcher<T> equalTo(T operand) {35    return new IsEqual<T>(operand);36  }37  public static <T> Matcher<T> equalTo(T operand, T... others) {38    return new IsEqual<T>(Arrays.asList(operand, others));39  }40}