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Rename Error message methods in Preconditions to describe their action #8490

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16 changes: 8 additions & 8 deletions guava/src/com/google/common/base/Preconditions.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1444,12 +1444,12 @@ public static int checkElementIndex(int index, int size) {
public static int checkElementIndex(int index, int size, String desc) {
// Carefully optimized for execution by hotspot (explanatory comment above)
if (index < 0 || index >= size) {
throw new IndexOutOfBoundsException(badElementIndex(index, size, desc));
throw new IndexOutOfBoundsException(formatElementIndexMessage(index, size, desc));
}
return index;
}

private static String badElementIndex(int index, int size, String desc) {
private static String formatElementIndexMessage(int index, int size, String desc) {
if (index < 0) {
return lenientFormat("%s (%s) must not be negative", desc, index);
} else if (size < 0) {
Expand Down Expand Up @@ -1493,12 +1493,12 @@ public static int checkPositionIndex(int index, int size) {
public static int checkPositionIndex(int index, int size, String desc) {
// Carefully optimized for execution by hotspot (explanatory comment above)
if (index < 0 || index > size) {
throw new IndexOutOfBoundsException(badPositionIndex(index, size, desc));
throw new IndexOutOfBoundsException(formatPositionIndexMessage(index, size, desc));
}
return index;
}

private static String badPositionIndex(int index, int size, String desc) {
private static String formatPositionIndexMessage(int index, int size, String desc) {
if (index < 0) {
return lenientFormat("%s (%s) must not be negative", desc, index);
} else if (size < 0) {
Expand All @@ -1523,16 +1523,16 @@ private static String badPositionIndex(int index, int size, String desc) {
public static void checkPositionIndexes(int start, int end, int size) {
// Carefully optimized for execution by hotspot (explanatory comment above)
if (start < 0 || end < start || end > size) {
throw new IndexOutOfBoundsException(badPositionIndexes(start, end, size));
throw new IndexOutOfBoundsException(formatPositionIndexMessagees(start, end, size));
}
}

private static String badPositionIndexes(int start, int end, int size) {
private static String formatPositionIndexMessagees(int start, int end, int size) {
if (start < 0 || start > size) {
return badPositionIndex(start, size, "start index");
return formatPositionIndexMessage(start, size, "start index");
}
if (end < 0 || end > size) {
return badPositionIndex(end, size, "end index");
return formatPositionIndexMessage(end, size, "end index");
}
// end < start
return lenientFormat("end index (%s) must not be less than start index (%s)", end, start);
Expand Down

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