| 1 | package fr.sii.ogham.core.util; | |
| 2 | ||
| 3 | import java.lang.reflect.Array; | |
| 4 | import java.util.Arrays; | |
| 5 | ||
| 6 | /** | |
| 7 | * Utility class for manipulating arrays. | |
| 8 | */ | |
| 9 | public final class ArrayUtils { | |
| 10 | /** | |
| 11 | * Create an array starting with first element and followed by others. | |
| 12 | * <p> | |
| 13 | * This can be useful when handling vararg parameters and when you want to | |
| 14 | * force to have at least one value. | |
| 15 | * <p> | |
| 16 | * | |
| 17 | * @param first | |
| 18 | * the first element | |
| 19 | * @param others | |
| 20 | * the other elements | |
| 21 | * @param <T> | |
| 22 | * the type of each element in the array | |
| 23 | * @return the combined array | |
| 24 | * @throws IllegalArgumentException | |
| 25 | * if first or others is null | |
| 26 | */ | |
| 27 | public static <T> T[] concat(T first, T[] others) { | |
| 28 |
3
1. concat : negated conditional → NO_COVERAGE 2. concat : negated conditional → KILLED 3. concat : negated conditional → KILLED |
if (first == null) { |
| 29 | throw new IllegalArgumentException("first cannot be null"); | |
| 30 | } | |
| 31 | @SuppressWarnings("unchecked") | |
| 32 | T[] arr = (T[]) Array.newInstance(first.getClass(), 1); | |
| 33 | arr[0] = first; | |
| 34 |
3
1. concat : replaced return value with null for fr/sii/ogham/core/util/ArrayUtils::concat → NO_COVERAGE 2. concat : replaced return value with null for fr/sii/ogham/core/util/ArrayUtils::concat → KILLED 3. concat : replaced return value with null for fr/sii/ogham/core/util/ArrayUtils::concat → KILLED |
return concat(arr, others); |
| 35 | } | |
| 36 | ||
| 37 | /** | |
| 38 | * Combine two arrays. It creates a new array that contains all the elements | |
| 39 | * of first followed by all elements of second. | |
| 40 | * | |
| 41 | * @param first | |
| 42 | * the first array | |
| 43 | * @param second | |
| 44 | * the second array | |
| 45 | * @param <T> | |
| 46 | * the type of each element in the array | |
| 47 | * @return the combined array | |
| 48 | * @throws IllegalArgumentException | |
| 49 | * if first or second is null | |
| 50 | */ | |
| 51 | public static <T> T[] concat(T[] first, T[] second) { | |
| 52 |
3
1. concat : negated conditional → NO_COVERAGE 2. concat : negated conditional → KILLED 3. concat : negated conditional → KILLED |
if (first == null) { |
| 53 | throw new IllegalArgumentException("first cannot be null"); | |
| 54 | } | |
| 55 |
3
1. concat : negated conditional → NO_COVERAGE 2. concat : negated conditional → KILLED 3. concat : negated conditional → KILLED |
if (second == null) { |
| 56 | throw new IllegalArgumentException("second cannot be null"); | |
| 57 | } | |
| 58 |
3
1. concat : Replaced integer addition with subtraction → NO_COVERAGE 2. concat : Replaced integer addition with subtraction → KILLED 3. concat : Replaced integer addition with subtraction → KILLED |
T[] result = Arrays.copyOf(first, first.length + second.length); |
| 59 |
3
1. concat : removed call to java/lang/System::arraycopy → NO_COVERAGE 2. concat : removed call to java/lang/System::arraycopy → KILLED 3. concat : removed call to java/lang/System::arraycopy → KILLED |
System.arraycopy(second, 0, result, first.length, second.length); |
| 60 |
3
1. concat : replaced return value with null for fr/sii/ogham/core/util/ArrayUtils::concat → NO_COVERAGE 2. concat : replaced return value with null for fr/sii/ogham/core/util/ArrayUtils::concat → KILLED 3. concat : replaced return value with null for fr/sii/ogham/core/util/ArrayUtils::concat → KILLED |
return result; |
| 61 | } | |
| 62 | ||
| 63 | private ArrayUtils() { | |
| 64 | super(); | |
| 65 | } | |
| 66 | } | |
Mutations | ||
| 28 |
1.1 2.2 3.3 |
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| 34 |
1.1 2.2 3.3 |
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| 52 |
1.1 2.2 3.3 |
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| 55 |
1.1 2.2 3.3 |
|
| 58 |
1.1 2.2 3.3 |
|
| 59 |
1.1 2.2 3.3 |
|
| 60 |
1.1 2.2 3.3 |