garydgregory commented on a change in pull request #281:
URL: https://github.com/apache/commons-text/pull/281#discussion_r742274854
##########
File path: src/main/java/org/apache/commons/text/TextStringBuilder.java
##########
@@ -1850,7 +1850,14 @@ public boolean equals(final Object obj) {
* @return true if the builders contain the same characters in the same
order
*/
public boolean equals(final TextStringBuilder other) {
- return other != null && Arrays.equals(buffer, other.buffer);
+
+ if(other == null) {
+ return false;
+ }
+ if (this.size != other.size) {
+ return false;
+ }
+ return Arrays.equals(ArrayUtils.subarray(buffer, 0, size),
ArrayUtils.subarray(other.buffer, 0, size));
Review comment:
I think we can reuse our own toString() here.
##########
File path: src/main/java/org/apache/commons/text/TextStringBuilder.java
##########
@@ -1947,7 +1954,7 @@ public String getNullText() {
*/
@Override
public int hashCode() {
- return Arrays.hashCode(buffer);
+ return Arrays.hashCode(ArrayUtils.subarray(buffer, 0, size));
Review comment:
I think we can reuse our own toString() here.
##########
File path: src/test/java/org/apache/commons/text/TextStringBuilderTest.java
##########
@@ -1057,15 +1057,24 @@ public void testHashCode() {
final TextStringBuilder sb = new TextStringBuilder();
final int hc1a = sb.hashCode();
final int hc1b = sb.hashCode();
- final int emptyHc = Arrays.hashCode(sb.getBuffer());
- assertEquals(emptyHc, hc1a);
Review comment:
I'm not a fan of removing passing asserts because it could hide a
regression.
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