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PR: Fix #3720 #6218

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PR: Fix #3720 #6218

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d95013f
two indexOf methods added to include fromIndex parameter
RajinHossain Oct 12, 2022
a8e8e37
Add one lastIndexOf method with include fromIndex parameter to Bytes.…
yonghao97 Oct 13, 2022
5468c50
Add two lastIndexOf method with fromIndex parameter to Bytes.java
yonghao97 Oct 13, 2022
5d13f7e
done tests for testIndexOf_arrayTarget_fromIndex and testIndexOf_from…
u7220282 Oct 13, 2022
e673de6
Merge remote-tracking branch 'origin/fix_3720' into fix_3720
u7220282 Oct 13, 2022
95c4a9b
Done tests for last_indexOf
u7305790 Oct 17, 2022
a0ee419
Delete unnecessary null checks
u7305790 Oct 27, 2022
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108 changes: 108 additions & 0 deletions android/guava-tests/test/com/google/common/primitives/BytesTest.java
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,13 @@
public class BytesTest extends TestCase {
private static final byte[] EMPTY = {};
private static final byte[] ARRAY1 = {(byte) 1};
private static final byte[] ARRAY2 = {(byte) 2};
private static final byte[] ARRAY2 = {(byte) 3};
private static final byte[] ARRAY4 = {(byte) 4};
private static final byte[] ARRAY23 = {(byte) 2, (byte) 3};
private static final byte[] ARRAY34 = {(byte) 3, (byte) 4};
private static final byte[] ARRAY234 = {(byte) 2, (byte) 3, (byte) 4};
private static final byte[] ARRAY234234 = {(byte) 2, (byte) 3, (byte) 4, (byte) 2, (byte) 3, (byte) 4};

private static final byte[] VALUES = {Byte.MIN_VALUE, -1, 0, 1, Byte.MAX_VALUE};

Expand Down Expand Up @@ -69,6 +75,30 @@ public void testIndexOf() {
.isEqualTo(1);
}

public void testIndexOf_fromIndex() {
assertThat(Bytes.indexOf(EMPTY, (byte) 1, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, (byte) 1, 10)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, (byte) 1, -10)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY1, (byte) 2, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY1, (byte) 1, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 1, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 2, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 2, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 4)).isEqualTo(-1);

assertThat(Bytes.indexOf(ARRAY1, (byte) 1, -1)).isEqualTo(0);
assertThat(Bytes.indexOf(new byte[] {(byte) -1}, (byte) -1, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, (byte) 2, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 0)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 0)).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 1)).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 2)).isEqualTo(2);
}

public void testIndexOf_arrayTarget() {
assertThat(Bytes.indexOf(EMPTY, EMPTY)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, EMPTY)).isEqualTo(0);
Expand Down Expand Up @@ -103,6 +133,62 @@ public void testIndexOf_arrayTarget() {
.isEqualTo(-1);
}

public void testIndexOf_arrayTarget_fromIndex() {
ssertThat(Bytes.indexOf(EMPTY, EMPTY, 0)).isEqualTo(0);
ssertThat(Bytes.indexOf(EMPTY, EMPTY, 1)).isEqualTo(-1);
ssertThat(Bytes.indexOf(EMPTY, EMPTY, -1)).isEqualTo(0);

assertThat(Bytes.indexOf(EMPTY, ARRAY234, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, ARRAY234, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, ARRAY234, -1)).isEqualTo(-1);

assertThat(Bytes.indexOf(ARRAY1, ARRAY1), 0).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY1, ARRAY1), 1).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY1, ARRAY1), 100).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY1, ARRAY1), -1).isEqualTo(0);

assertThat(Bytes.indexOf(ARRAY234, EMPTY, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 2)).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, -1)).isEqualTo(0);

assertThat(Bytes.indexOf(ARRAY234, ARRAY1, 0).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY1, 1).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY1, 3).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY1, -1).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY2, 0).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, ARRAY2, 1).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY2, -1).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY3, 0).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY3, 1).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY3, 3).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY3, -1).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY4, 0).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, ARRAY4, 2).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, ARRAY4, 3).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY4, -1).isEqualTo(2);

assertThat(Bytes.indexOf(ARRAY234, ARRAY23, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, ARRAY23, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY23, -1)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, ARRAY34, 0)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY34, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY34, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY34, -1)).isEqualTo(1);

assertThat(Bytes.indexOf(ARRAY234, ARRAY234, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, ARRAY234, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY234, -1)).isEqualTo(0);

assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 1)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, -1)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 2)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 3)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 4)).isEqualTo(-1);
}

public void testLastIndexOf() {
assertThat(Bytes.lastIndexOf(EMPTY, (byte) 1)).isEqualTo(-1);
assertThat(Bytes.lastIndexOf(ARRAY1, (byte) 2)).isEqualTo(-1);
Expand All @@ -115,6 +201,28 @@ public void testLastIndexOf() {
.isEqualTo(3);
}

public void testLastIndexOf_fromIndex() {
// empty case
assertThat(Bytes.indexOf(EMPTY, EMPTY, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, ARRAY234, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, (byte) 1, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, -1)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 1)).isEqualTo(1);

// normal byte case
assertThat(Bytes.indexOf(ARRAY34, (byte) 4, 0)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY1, (byte) 1, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234234, (byte) 4, 1)).isEqualTo(5);

// byte list case
assertThat(Bytes.indexOf(ARRAY234234, ARRAY1, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY23, 0)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 1)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 4)).isEqualTo(-1);
}

public void testConcat() {
assertThat(Bytes.concat()).isEqualTo(EMPTY);
assertThat(Bytes.concat(EMPTY)).isEqualTo(EMPTY);
Expand Down
102 changes: 102 additions & 0 deletions android/guava/src/com/google/common/primitives/Bytes.java
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,41 @@ public static int indexOf(byte[] array, byte target) {
return indexOf(array, target, 0, array.length);
}

/**
* Returns the index of the first appearance of the value {@code target} in {@code array}.
*
* @param array an array of {@code byte} values, possibly empty
* @param target a primitive {@code byte} value
* @param fromIndex an index from which the searching occurs
* @return the least index {@code i} after {@code fromIndex} for which {@code array[i] == target}, or {@code -1} if no
* such index exists.
*/
public static int indexOf(byte[] array, byte target, int fromIndex) {
return indexOf(array, target, fromIndex, array.length);
}

/**
* Return the index of the last appearance of the value {@code target} in {@code array}
* from the index {@code fromIndex}, or {@code -1} if there is no such occurrence.
*
* @param array an array of {@code byte} values, possibly empty
* @param target a primitive {@code byte} value
* @param fromIndex an index from which the searching occurs
* @return the greatest index {@code i} for which {@code array[i] == target}, or {@code -1} if no
* such index exists.
*/
public static int lastIndexOf(byte[] array, byte target, int fromIndex){
checkNotNull(array, "array");
checkNotNull(target, "target");
checkNotNull(fromIndex,"fromIndex");
// check if fromIndex exceed the range
if(fromIndex > array.length-1 || fromIndex < 0){
return -1;
}

return lastIndexOf(array, target,fromIndex, array.length);
}

// TODO(kevinb): consider making this public
private static int indexOf(byte[] array, byte target, int start, int end) {
for (int i = start; i < end; i++) {
Expand Down Expand Up @@ -128,6 +163,73 @@ public static int indexOf(byte[] array, byte[] target) {
return -1;
}

/**
* Returns the start position of the first occurrence of the specified {@code target} within
* {@code array} from the index {@code fromIndex}, or {@code -1} if there is no such occurrence.
*
* @param array the array to search for the sequence {@code target}
* @param target the array to search for as a sub-sequence of {@code array}
* @param fromIndex the index from which to search from
*/
public static int indexOf(byte[] array, byte[] target, int fromIndex) {
checkNotNull(array, "array");
checkNotNull(target, "target");
if (target.length == 0) {
return 0;
}

outer:
for (int i = fromIndex; i < array.length - target.length + 1; i++) {
for (int j = 0; j < target.length; j++) {
if (array[i + j] != target[j]) {
continue outer;
}
}
return i;
}
return -1;
}

/**
* Returns the first position of the last occurrence of the specified {@code
* target} within {@code array}, or {@code -1} if there is no such occurrence.
*
* @param array an array of {@code byte} values, possibly empty
* @param target the array to search for as a sub-sequence of {@code array}
* @param fromIndex an index from which the searching occurs
* @return the greatest index {@code i} for which {@code array[i] == target}, or {@code -1} if no
* such index exists.
*/
public static int lastIndexOf(byte[] array, byte[] target, int fromIndex){
checkNotNull(array, "array");
checkNotNull(target, "target");
checkNotNull(fromIndex,"fromIndex");

if (target.length == 0) {
return array.length - 1;
} else if (target.length > array.length) {
return -1;
}

int lastIndexOf = -1;
boolean differentValue;

for (int i = array.length-target.length ; i >= fromIndex; i--) {
differentValue = false;
for (int j = 0; j < target.length; j++) {
if (array[i + j] != target[j]) {
differentValue = true;
break;
}
}

if(!differentValue){
lastIndexOf = i;
}
}
return lastIndexOf;
}

/**
* Returns the index of the last appearance of the value {@code target} in {@code array}.
*
Expand Down
110 changes: 110 additions & 0 deletions guava-tests/test/com/google/common/primitives/BytesTest.java
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,13 @@
public class BytesTest extends TestCase {
private static final byte[] EMPTY = {};
private static final byte[] ARRAY1 = {(byte) 1};
private static final byte[] ARRAY2 = {(byte) 2};
private static final byte[] ARRAY3 = {(byte) 3};
private static final byte[] ARRAY4 = {(byte) 4};
private static final byte[] ARRAY23 = {(byte) 2, (byte) 3};
private static final byte[] ARRAY34 = {(byte) 3, (byte) 4};
private static final byte[] ARRAY234 = {(byte) 2, (byte) 3, (byte) 4};
private static final byte[] ARRAY234234 = {(byte) 2, (byte) 3, (byte) 4, (byte) 2, (byte) 3, (byte) 4};

private static final byte[] VALUES = {Byte.MIN_VALUE, -1, 0, 1, Byte.MAX_VALUE};

Expand Down Expand Up @@ -68,6 +74,30 @@ public void testIndexOf() {
assertThat(Bytes.indexOf(new byte[] {(byte) 2, (byte) 3, (byte) 2, (byte) 3}, (byte) 3))
.isEqualTo(1);
}

public void testIndexOf_fromIndex() {
assertThat(Bytes.indexOf(EMPTY, (byte) 1, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, (byte) 1, 10)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, (byte) 1, -10)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY1, (byte) 2, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY1, (byte) 1, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 1, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 2, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 2, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 4)).isEqualTo(-1);

assertThat(Bytes.indexOf(ARRAY1, (byte) 1, -1)).isEqualTo(0);
assertThat(Bytes.indexOf(new byte[] {(byte) -1}, (byte) -1, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, (byte) 2, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 0)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 0)).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 1)).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, (byte) 4, 2)).isEqualTo(2);
}

public void testIndexOf_arrayTarget() {
assertThat(Bytes.indexOf(EMPTY, EMPTY)).isEqualTo(0);
Expand Down Expand Up @@ -102,6 +132,64 @@ public void testIndexOf_arrayTarget() {
new byte[] {(byte) 2, (byte) 3, (byte) 4}))
.isEqualTo(-1);
}

public void testIndexOf_arrayTarget_fromIndex() {
assertThat(Bytes.indexOf(EMPTY, EMPTY, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(EMPTY, EMPTY, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, EMPTY, -1)).isEqualTo(0);

assertThat(Bytes.indexOf(EMPTY, ARRAY234, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, ARRAY234, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, ARRAY234, -1)).isEqualTo(-1);

assertThat(Bytes.indexOf(ARRAY1, ARRAY1, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY1, ARRAY1, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY1, ARRAY1, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY1, ARRAY1, -1)).isEqualTo(0);

assertThat(Bytes.indexOf(ARRAY234, EMPTY, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 2)).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, -1)).isEqualTo(0);

assertThat(Bytes.indexOf(ARRAY234, ARRAY1, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY1, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY1, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY1, -1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY2, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, ARRAY2, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY2, -1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY3, 0)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY3, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY3, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY3, -1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY4, 0)).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, ARRAY4, 2)).isEqualTo(2);
assertThat(Bytes.indexOf(ARRAY234, ARRAY4, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY4, -1)).isEqualTo(2);

assertThat(Bytes.indexOf(ARRAY234, ARRAY23, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, ARRAY23, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY23, -1)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, ARRAY34, 0)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY34, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY34, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY34, -1)).isEqualTo(1);

assertThat(Bytes.indexOf(ARRAY234, ARRAY234, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, ARRAY234, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, ARRAY234, -1)).isEqualTo(0);

assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 0)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 1)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, -1)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 2)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 3)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 4)).isEqualTo(-1);


}

public void testLastIndexOf() {
assertThat(Bytes.lastIndexOf(EMPTY, (byte) 1)).isEqualTo(-1);
Expand All @@ -115,6 +203,28 @@ public void testLastIndexOf() {
.isEqualTo(3);
}

public void testLastIndexOf_fromIndex() {
// empty case
assertThat(Bytes.indexOf(EMPTY, EMPTY, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, ARRAY234, 1)).isEqualTo(-1);
assertThat(Bytes.indexOf(EMPTY, (byte) 1, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 3)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, -1)).isEqualTo(0);
assertThat(Bytes.indexOf(ARRAY234, EMPTY, 1)).isEqualTo(1);

// normal byte case
assertThat(Bytes.indexOf(ARRAY34, (byte) 4, 0)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY1, (byte) 1, 2)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234, (byte) 3, 1)).isEqualTo(1);
assertThat(Bytes.indexOf(ARRAY234234, (byte) 4, 1)).isEqualTo(5);

// byte list case
assertThat(Bytes.indexOf(ARRAY234234, ARRAY1, 0)).isEqualTo(-1);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY23, 0)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 1)).isEqualTo(3);
assertThat(Bytes.indexOf(ARRAY234234, ARRAY234, 4)).isEqualTo(-1);
}

public void testConcat() {
assertThat(Bytes.concat()).isEqualTo(EMPTY);
assertThat(Bytes.concat(EMPTY)).isEqualTo(EMPTY);
Expand Down
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