resolve merge conflicts of 7980b19bc8 to stage-aosp-master

am: 3147288c3b

Change-Id: Ie04ef5cd3277271304c3564ee6e41d8c24dee74c

core/java/android/util/IntArray.java

@@ -18,9 +18,11 @@ package android.util;
 
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.Preconditions;
-import java.util.Arrays;
+
 import libcore.util.EmptyArray;
 
+import java.util.Arrays;
+
 /**
  * Implements a growing array of int primitives.
  *
@@ -102,7 +104,7 @@ public class IntArray implements Cloneable {
         ensureCapacity(1);
         int rightSegment = mSize - index;
         mSize++;
-        checkBounds(index);
+        ArrayUtils.checkBounds(mSize, index);
 
         if (rightSegment != 0) {
             // Move by 1 all values from the right of 'index'
@@ -175,7 +177,7 @@ public class IntArray implements Cloneable {
      * Returns the value at the specified position in this array.
      */
     public int get(int index) {
-        checkBounds(index);
+        ArrayUtils.checkBounds(mSize, index);
         return mValues[index];
     }
 
@@ -183,7 +185,7 @@ public class IntArray implements Cloneable {
      * Sets the value at the specified position in this array.
      */
     public void set(int index, int value) {
-        checkBounds(index);
+        ArrayUtils.checkBounds(mSize, index);
         mValues[index] = value;
     }
 
@@ -205,7 +207,7 @@ public class IntArray implements Cloneable {
      * Removes the value at the specified index from this array.
      */
     public void remove(int index) {
-        checkBounds(index);
+        ArrayUtils.checkBounds(mSize, index);
         System.arraycopy(mValues, index + 1, mValues, index, mSize - index - 1);
         mSize--;
     }
@@ -223,10 +225,4 @@ public class IntArray implements Cloneable {
     public int[] toArray() {
         return Arrays.copyOf(mValues, mSize);
     }
-
-    private void checkBounds(int index) {
-        if (index < 0 || mSize <= index) {
-            throw new ArrayIndexOutOfBoundsException(mSize, index);
-        }
-    }
 }

core/java/android/util/LongArray.java

@@ -106,7 +106,7 @@ public class LongArray implements Cloneable {
         ensureCapacity(1);
         int rightSegment = mSize - index;
         mSize++;
-        checkBounds(index);
+        ArrayUtils.checkBounds(mSize, index);
 
         if (rightSegment != 0) {
             // Move by 1 all values from the right of 'index'
@@ -166,7 +166,7 @@ public class LongArray implements Cloneable {
      * Returns the value at the specified position in this array.
      */
     public long get(int index) {
-        checkBounds(index);
+        ArrayUtils.checkBounds(mSize, index);
         return mValues[index];
     }
 
@@ -174,7 +174,7 @@ public class LongArray implements Cloneable {
      * Sets the value at the specified position in this array.
      */
     public void set(int index, long value) {
-        checkBounds(index);
+        ArrayUtils.checkBounds(mSize, index);
         mValues[index] = value;
     }
 
@@ -196,7 +196,7 @@ public class LongArray implements Cloneable {
      * Removes the value at the specified index from this array.
      */
     public void remove(int index) {
-        checkBounds(index);
+        ArrayUtils.checkBounds(mSize, index);
         System.arraycopy(mValues, index + 1, mValues, index, mSize - index - 1);
         mSize--;
     }
@@ -215,12 +215,6 @@ public class LongArray implements Cloneable {
         return Arrays.copyOf(mValues, mSize);
     }
 
-    private void checkBounds(int index) {
-        if (index < 0 || mSize <= index) {
-            throw new ArrayIndexOutOfBoundsException(mSize, index);
-        }
-    }
-
     /**
      * Test if each element of {@code a} equals corresponding element from {@code b}
      */

core/java/com/android/internal/util/ArrayUtils.java

@@ -626,4 +626,17 @@ public class ArrayUtils {
     public static @NonNull String[] defeatNullable(@Nullable String[] val) {
         return (val != null) ? val : EmptyArray.STRING;
     }
+
+    /**
+     * Throws {@link ArrayIndexOutOfBoundsException} if the index is out of bounds.
+     *
+     * @param len length of the array. Must be non-negative
+     * @param index the index to check
+     * @throws ArrayIndexOutOfBoundsException if the {@code index} is out of bounds of the array
+     */
+    public static void checkBounds(int len, int index) {
+        if (index < 0 || len <= index) {
+            throw new ArrayIndexOutOfBoundsException("length=" + len + "; index=" + index);
+        }
+    }
 }