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How to use Truthness method of org.evomaster.client.java.instrumentation.heuristic.Truthness class

Best EvoMaster code snippet using org.evomaster.client.java.instrumentation.heuristic.Truthness.Truthness

Source:LocalDateTimeClassReplacement.java

2import org.evomaster.client.java.instrumentation.coverage.methodreplacement.DateTimeParsingUtils;3import org.evomaster.client.java.instrumentation.coverage.methodreplacement.DistanceHelper;4import org.evomaster.client.java.instrumentation.coverage.methodreplacement.MethodReplacementClass;5import org.evomaster.client.java.instrumentation.coverage.methodreplacement.Replacement;6import org.evomaster.client.java.instrumentation.heuristic.Truthness;7import org.evomaster.client.java.instrumentation.heuristic.TruthnessUtils;8import org.evomaster.client.java.instrumentation.shared.ReplacementType;9import org.evomaster.client.java.instrumentation.shared.StringSpecialization;10import org.evomaster.client.java.instrumentation.shared.StringSpecializationInfo;11import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer;12import java.time.LocalDateTime;13import java.time.ZoneOffset;14import java.time.chrono.ChronoLocalDateTime;15import java.time.format.DateTimeParseException;16import java.util.Objects;17public class LocalDateTimeClassReplacement implements MethodReplacementClass {18    private static long getMillis(ChronoLocalDateTime<?> chronoLocalDateTime) {19        return chronoLocalDateTime.atZone(ZoneOffset.UTC).toInstant().toEpochMilli();20    }21    private static Truthness getIsBeforeTruthness(ChronoLocalDateTime<?> caller, ChronoLocalDateTime<?> when) {22        Objects.requireNonNull(caller);23        Objects.requireNonNull(when);24        long a = getMillis(caller);25        long b = getMillis(when);26        /**27         * We use the same gradient that HeuristicsForJumps.getForValueComparison()28         * used for IF_ICMPLT, ie, a < b29         */30        return TruthnessUtils.getLessThanTruthness(a, b);31    }32    @Override33    public Class<?> getTargetClass() {34        return LocalDateTime.class;35    }36    /**37     * Obtains an instance of LocalDateTime from a text string such as 2007-12-03T10:15:30.38     * The string must represent a valid date-time and is parsed using DateTimeFormatter.ISO_LOCAL_DATE_TIME.39     *40     * @param text41     * @param idTemplate42     * @return43     */44    @Replacement(type = ReplacementType.EXCEPTION, replacingStatic = true)45    public static LocalDateTime parse(CharSequence text, String idTemplate) {46        if (text != null && ExecutionTracer.isTaintInput(text.toString())) {47            ExecutionTracer.addStringSpecialization(text.toString(),48                    new StringSpecializationInfo(StringSpecialization.ISO_LOCAL_DATE_TIME, null));49        }50        if (idTemplate == null) {51            return LocalDateTime.parse(text);52        }53        try {54            LocalDateTime res = LocalDateTime.parse(text);55            ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.EXCEPTION,56                    new Truthness(1, DistanceHelper.H_NOT_NULL));57            return res;58        } catch (DateTimeParseException | NullPointerException ex) {59            double h = DateTimeParsingUtils.getHeuristicToISOLocalDateTimeParsing(text);60            ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.EXCEPTION, new Truthness(h, 1));61            throw ex;62        }63    }64    @Replacement(type = ReplacementType.BOOLEAN)65    public static boolean equals(LocalDateTime caller, Object anObject, String idTemplate) {66        Objects.requireNonNull(caller);67        if (idTemplate == null) {68            return caller.equals(anObject);69        }70        final Truthness t;71        if (anObject == null || !(anObject instanceof LocalDateTime)) {72            t = new Truthness(DistanceHelper.H_REACHED_BUT_NULL, 1d);73        } else {74            LocalDateTime anotherLocalDateTime = (LocalDateTime) anObject;75            if (caller.equals(anotherLocalDateTime)) {76                t = new Truthness(1d, DistanceHelper.H_NOT_NULL);77            } else {78                double base = DistanceHelper.H_NOT_NULL;79                double distance = DistanceHelper.getDistanceToEquality(caller, anotherLocalDateTime);80                double h = DistanceHelper.heuristicFromScaledDistanceWithBase(base, distance);81                t = new Truthness(h, 1d);82            }83        }84        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);85        return caller.equals(anObject);86    }87    @Replacement(type = ReplacementType.BOOLEAN)88    public static boolean isBefore(LocalDateTime caller, ChronoLocalDateTime<?> other, String idTemplate) {89        Objects.requireNonNull(caller);90        // might throw NPE if when is null91        if (idTemplate == null) {92            return caller.isBefore(other);93        }94        Truthness t;95        if (other == null) {96            t = new Truthness(DistanceHelper.H_REACHED_BUT_NULL, 1d);97        } else {98            t = getIsBeforeTruthness(caller, other);99        }100        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);101        return caller.isBefore(other);102    }103    @Replacement(type = ReplacementType.BOOLEAN)104    public static boolean isAfter(LocalDateTime caller, ChronoLocalDateTime<?> other, String idTemplate) {105        Objects.requireNonNull(caller);106        // might throw NPE if when is null107        if (idTemplate == null) {108            return caller.isAfter(other);109        }110        Truthness t;111        if (other == null) {112            t = new Truthness(DistanceHelper.H_REACHED_BUT_NULL, 1d);113        } else {114            t = getIsBeforeTruthness(other, caller);115        }116        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);117        return caller.isAfter(other);118    }119    @Replacement(type = ReplacementType.BOOLEAN)120    public static boolean isEqual(LocalDateTime caller, ChronoLocalDateTime<?> other, String idTemplate) {121        Objects.requireNonNull(caller);122        if (idTemplate == null) {123            return caller.isEqual(other);124        }125        final Truthness t;126        if (other == null) {127            t = new Truthness(DistanceHelper.H_REACHED_BUT_NULL, 1d);128        } else {129            if (caller.isEqual(other)) {130                t = new Truthness(1d, DistanceHelper.H_NOT_NULL);131            } else {132                double base = DistanceHelper.H_NOT_NULL;133                double distance = DistanceHelper.getDistanceToEquality(caller, other);134                double h = DistanceHelper.heuristicFromScaledDistanceWithBase(base, distance);135                t = new Truthness(h, 1d);136            }137        }138        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);139        return caller.isEqual(other);140    }141}...

Source:CollectionClassReplacement.java

1package org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes;2import org.evomaster.client.java.instrumentation.coverage.methodreplacement.*;3import org.evomaster.client.java.instrumentation.heuristic.Truthness;4import org.evomaster.client.java.instrumentation.heuristic.TruthnessUtils;5import org.evomaster.client.java.instrumentation.shared.ReplacementCategory;6import org.evomaster.client.java.instrumentation.shared.ReplacementType;7import org.evomaster.client.java.instrumentation.shared.StringSpecialization;8import org.evomaster.client.java.instrumentation.shared.StringSpecializationInfo;9import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer;10import java.util.Collection;11import java.util.Objects;12public class CollectionClassReplacement implements MethodReplacementClass {13    @Override14    public Class<?> getTargetClass() {15        return Collection.class;16    }17    /**18     * @param c19     * @param o20     * @param idTemplate21     * @return22     */23    @Replacement(type = ReplacementType.BOOLEAN, category = ReplacementCategory.BASE)24    public static boolean contains(Collection c, Object o, String idTemplate) {25        Objects.requireNonNull(c);26        CollectionsDistanceUtils.evaluateTaint(c,o);27        boolean result = c.contains(o);28        if (idTemplate == null) {29            return result;30        }31        Truthness t;32        if (result) {33            t = new Truthness(1d, DistanceHelper.H_NOT_NULL);34        } else {35            double h = CollectionsDistanceUtils.getHeuristicToContains(c, o);36            t = new Truthness(h, 1d);37        }38        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);39        return result;40    }41    @Replacement(type = ReplacementType.BOOLEAN, category = ReplacementCategory.EXT_0)42    public static boolean containsAll(Collection caller, Collection other, String idTemplate) {43        Objects.requireNonNull(caller);44        if(other != null && !other.isEmpty()){45            for(Object obj : other){46                CollectionsDistanceUtils.evaluateTaint(caller,obj);47            }48        }49        boolean result = caller.containsAll(other);50        if (idTemplate == null) {51            return result;52        }53        Truthness t;54        if (result) {55            t = new Truthness(1d, DistanceHelper.H_NOT_NULL);56        } else {57            double h = CollectionsDistanceUtils.getHeuristicToContainsAll(caller, other);58            t = new Truthness(h, 1d);59        }60        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);61        return result;62    }63    /**64     * This function is called only when the caller is non-null.65     * The heuristic value is 1/(1+c.size()) where c!=null.66     * <p>67     * The closer the heuristic value is to 1, the closer the collection68     * is of being empty.69     *70     * @param caller     a non-null Collection instance71     * @param idTemplate72     * @return73     */74    @Replacement(type = ReplacementType.BOOLEAN, category = ReplacementCategory.BASE)75    public static boolean isEmpty(Collection caller, String idTemplate) {76        Objects.requireNonNull(caller);77        boolean result = caller.isEmpty();78        if (idTemplate == null) {79            return result;80        }81        int len = caller.size();82        Truthness t = TruthnessUtils.getTruthnessToEmpty(len);83        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);84        return result;85    }86    @Replacement(type = ReplacementType.BOOLEAN, category = ReplacementCategory.EXT_0, isPure = false)87    public static boolean remove(Collection caller, Object obj, String idTemplate){88        Objects.requireNonNull(caller);89        CollectionsDistanceUtils.evaluateTaint(caller,obj);90        boolean result = caller.remove(obj);91        if (idTemplate == null) {92            return result;93        }94        //note: here we cannot call directly contains(), as remove() might have changed the container95        Truthness t;96        if (result) {97            t = new Truthness(1d, DistanceHelper.H_NOT_NULL);98        } else {99            //element was not removed, so not contained100            double h = CollectionsDistanceUtils.getHeuristicToContains(caller, obj);101            t = new Truthness(h, 1d);102        }103        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);104        return result;105    }106    @Replacement(type = ReplacementType.BOOLEAN, category = ReplacementCategory.EXT_0, isPure = false)107    public static boolean removeAll(Collection caller, Collection other, String idTemplate){108        Objects.requireNonNull(caller);109        if(other != null && !other.isEmpty()){110            for(Object obj : other){111                CollectionsDistanceUtils.evaluateTaint(caller,obj);112            }113        }114        boolean result = caller.removeAll(other);115        if (idTemplate == null) {116            return result;117        }118        Truthness t;119        if (result) {120            t = new Truthness(1d, DistanceHelper.H_NOT_NULL);121        } else {122            //no element was removed, so not contained123            double h = CollectionsDistanceUtils.getHeuristicToContainsAny(caller, other);124            t = new Truthness(h, 1d);125        }126        ExecutionTracer.executedReplacedMethod(idTemplate, ReplacementType.BOOLEAN, t);127        return result;128    }129}...

Truthness

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.heuristic.Truthness;2import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer;3import java.util.ArrayList;4import java.util.List;5public class 2 {6    public static void main(String[] args) {7        int x = 0;8        int y = 0;9        int z = 0;10        int w = 0;11        int v = 0;12        int t = 0;13        int s = 0;14        int r = 0;15        int q = 0;16        int p = 0;17        int o = 0;18        int n = 0;19        int m = 0;20        int l = 0;21        int k = 0;22        int j = 0;23        int i = 0;24        int h = 0;25        int g = 0;26        int f = 0;27        int e = 0;28        int d = 0;29        int c = 0;30        int b = 0;31        int a = 0;32        if (a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q + r + s + t + u + v + w + x + y + z == 0) {33            System.out.println("a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q + r + s + t + u + v + w + x + y + z == 0");34        }35        List<Boolean> covered = new ArrayList<>();36        List<Boolean> expected = new ArrayList<>();37        for (int i = 0; i < 26; i++) {38            covered.add(false);39            expected.add(true);40        }41        ExecutionTracer.getHeuristics().forEach((id, value) -> {42            if (value == 1.0) {43                covered.set(id, true);44            }45        });46        if (!covered.equals(expected)) {47            System.out.println("ERROR: not all branches covered!");48        }49        double truthness = Truthness.calculateTruthness();50        System.out.println("Truthness: " + truthness);51    }52}

Truthness

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.heuristic.Truthness;2public class Example {3    public static void main(String[] args) {4        System.out.println("Truthness of 0.0 is: " + Truthness.calculate(0.0));5        System.out.println("Truthness of 0.5 is: " + Truthness.calculate(0.5));6        System.out.println("Truthness of 1.0 is: " + Truthness.calculate(1.0));7    }8}

Truthness

Using AI Code Generation

1package org.evomaster.client.java.instrumentation.example.booleanExpressions;2import org.evomaster.client.java.instrumentation.heuristic.Truthness;3public class BooleanExpressions {4    public static void main(String[] args) {5        int a = 1;6        int b = 2;7        int c = 3;8        int d = 4;9        int e = 5;10        int f = 6;11        int g = 7;12        int h = 8;13        int i = 9;14        int j = 10;15        int k = 11;16        int l = 12;17        int m = 13;18        int n = 14;19        int o = 15;20        int p = 16;21        int q = 17;22        int r = 18;23        int s = 19;24        int t = 20;25        int u = 21;26        int v = 22;27        int w = 23;28        int x = 24;29        int y = 25;30        int z = 26;31        int aa = 27;32        int ab = 28;33        int ac = 29;34        int ad = 30;35        int ae = 31;36        int af = 32;37        int ag = 33;38        int ah = 34;39        int ai = 35;40        int aj = 36;41        int ak = 37;42        int al = 38;43        int am = 39;44        int an = 40;45        int ao = 41;46        int ap = 42;47        int aq = 43;48        int ar = 44;49        int as = 45;50        int at = 46;51        int au = 47;52        int av = 48;53        int aw = 49;54        int ax = 50;55        int ay = 51;56        int az = 52;57        int ba = 53;58        int bb = 54;59        int bc = 55;60        int bd = 56;61        int be = 57;62        int bf = 58;63        int bg = 59;64        int bh = 60;65        int bi = 61;66        int bj = 62;67        int bk = 63;

Truthness

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.heuristic.Truthness;2import org.junit.jupiter.api.Test;3public class TruthnessTest {4    public void testTruthness() {5        double value = 0.0;6        double truthness = Truthness.calculate(value);7        System.out.println("Truthness of " + value + " is " + truthness);8        value = 0.5;9        truthness = Truthness.calculate(value);10        System.out.println("Truthness of " + value + " is " + truthness);11        value = 1.0;12        truthness = Truthness.calculate(value);13        System.out.println("Truthness of " + value + " is " + truthness);14        value = 2.0;15        truthness = Truthness.calculate(value);16        System.out.println("Truthness of " + value + " is " + truthness);17        value = -1.0;18        truthness = Truthness.calculate(value);19        System.out.println("Truthness of " + value + " is " + truthness);20    }21}

Truthness

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        System.out.println("Hello World");4        Truthness t = new Truthness();5        t.getTruthness(0.5);6    }7}8public class 1 {9    public static void main(String[] args) {10        System.out.println("Hello World");11        Truthness t = new Truthness();12        t.getTruthness(0.5);13    }14}15public class 3 {16    public static void main(String[] args) {17        System.out.println("Hello World");18        Truthness t = new Truthness();19        t.getTruthness(0.5);20    }21}22public class 4 {23    public static void main(String[] args) {24        System.out.println("Hello World");25        Truthness t = new Truthness();26        t.getTruthness(0.5);27    }28}29public class 5 {30    public static void main(String[] args) {31        System.out.println("Hello World");32        Truthness t = new Truthness();33        t.getTruthness(0.5);34    }35}36public class 6 {37    public static void main(String[] args) {38        System.out.println("Hello World");39        Truthness t = new Truthness();40        t.getTruthness(0.5);41    }42}43public class 7 {44    public static void main(String[] args) {45        System.out.println("Hello World");46        Truthness t = new Truthness();47        t.getTruthness(0.5);48    }49}

Truthness

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        int x = 1;4        int y = 2;5        boolean b = x < y;6        boolean b1 = true;7        boolean b2 = false;8        boolean b3 = true;9        boolean b4 = true;10        boolean b5 = true;11        boolean b6 = true;12        boolean b7 = true;13        boolean b8 = true;14        boolean b9 = true;15        boolean b10 = true;16        boolean b11 = true;17        boolean b12 = true;18        boolean b13 = true;19        boolean b14 = true;20        boolean b15 = true;21        boolean b16 = true;22        boolean b17 = true;23        boolean b18 = true;24        boolean b19 = true;25        boolean b20 = true;26        boolean b21 = true;27        boolean b22 = true;28        boolean b23 = true;29        boolean b24 = true;30        boolean b25 = true;31        boolean b26 = true;32        boolean b27 = true;33        boolean b28 = true;34        boolean b29 = true;35        boolean b30 = true;36        boolean b31 = true;37        boolean b32 = true;38        boolean b33 = true;39        boolean b34 = true;40        boolean b35 = true;41        boolean b36 = true;42        boolean b37 = true;43        boolean b38 = true;44        boolean b39 = true;45        boolean b40 = true;46        boolean b41 = true;47        boolean b42 = true;48        boolean b43 = true;49        boolean b44 = true;50        boolean b45 = true;51        boolean b46 = true;52        boolean b47 = true;53        boolean b48 = true;54        boolean b49 = true;55        boolean b50 = true;56        boolean b51 = true;57        boolean b52 = true;58        boolean b53 = true;59        boolean b54 = true;60        boolean b55 = true;61        boolean b56 = true;62        boolean b57 = true;63        boolean b58 = true;64        boolean b59 = true;65        boolean b60 = true;66        boolean b61 = true;67        boolean b62 = true;

Truthness

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        Truthness t = new Truthness();4        t.test();5    }6}7public class Truthness {8    private Integer value;9    public void test() {10        value = 2;11        if (value == 2) {12            System.out.println("value is 2");13        } else {14            System.out.println("value is not 2");15        }16    }17}18public class TruthnessTest {19    public void testTruthness() {20        double value = 0.0;21        double truthness = Truthness.calculate(value);22        System.out.println("Truthness of " + value + " is " + truthness);23        value = 0.5;24        truthness = Truthness.calculate(value);25        System.out.println("Truthness of " + value + " is " + truthness);26        value = 1.0;27        truthness = Truthness.calculate(value);28        System.out.println("Truthness of " + value + " is " + truthness);29        value = 2.0;30        truthness = Truthness.calculate(value);31        System.out.println("Truthness of " + value + " is " + truthness);32        value = -1.0;33        truthness = Truthness.calculate(value);34        System.out.println("Truthness of " + value + " is " + truthness);35    }36}

Truthness

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        Truthness t = new Truthness();4        t.test();5    }6}7public class Truthness {8    private Integer value;9    public void test() {10        value = 2;11        if (value == 2) {12            System.out.println("value is 2");13        } else {14            System.out.println("value is not 2");15        }16    }17}

Truthness

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        Truthness t = new Truthness();4        t.test();5    }6}7public class Truthness {8    private Integer value;9    public void test() {10        value = 2;11        if (value == 2) {12            System.out.println("value is 2");13        } else {14            System.out.println("value is not 2");15        }16    }17}

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