garydgregory commented on code in PR #639:
URL:
https://github.com/apache/commons-configuration/pull/639#discussion_r3281005869
##########
src/test/java/org/apache/commons/configuration2/io/TestCombinedLocationStrategy.java:
##########
@@ -123,6 +124,27 @@ void testInitCollectionWithNullEntries() {
assertThrows(IllegalArgumentException.class, () -> new
CombinedLocationStrategy(col));
}
+ /**
+ * Tests that the constructor handles collections that throw NPE on
contains(null) (like ImmutableList).
+ */
+ @Test
+ void testInitCollectionThrowsNPEOnContainsNull() {
+ // Create a collection that throws NPE on contains(null) like
ImmutableList does
+ final Collection<FileLocationStrategy> collectionThatThrowsNPE = new
ArrayList<FileLocationStrategy>(Arrays.asList(getSubStrategies())) {
+ @Override
+ public boolean contains(Object o) {
+ if (o == null) {
Review Comment:
This is a test, use `assertNotNull()`.
##########
src/test/java/org/apache/commons/configuration2/io/TestCombinedLocationStrategy.java:
##########
@@ -123,6 +124,27 @@ void testInitCollectionWithNullEntries() {
assertThrows(IllegalArgumentException.class, () -> new
CombinedLocationStrategy(col));
}
+ /**
+ * Tests that the constructor handles collections that throw NPE on
contains(null) (like ImmutableList).
+ */
+ @Test
+ void testInitCollectionThrowsNPEOnContainsNull() {
+ // Create a collection that throws NPE on contains(null) like
ImmutableList does
+ final Collection<FileLocationStrategy> collectionThatThrowsNPE = new
ArrayList<FileLocationStrategy>(Arrays.asList(getSubStrategies())) {
+ @Override
+ public boolean contains(Object o) {
+ if (o == null) {
+ throw new NullPointerException("Collection does not
support null");
Review Comment:
Use `Objects.requireNonNull()`.
##########
src/test/java/org/apache/commons/configuration2/io/TestCombinedLocationStrategy.java:
##########
@@ -123,6 +124,27 @@ void testInitCollectionWithNullEntries() {
assertThrows(IllegalArgumentException.class, () -> new
CombinedLocationStrategy(col));
}
+ /**
+ * Tests that the constructor handles collections that throw NPE on
contains(null) (like ImmutableList).
+ */
+ @Test
+ void testInitCollectionThrowsNPEOnContainsNull() {
+ // Create a collection that throws NPE on contains(null) like
ImmutableList does
+ final Collection<FileLocationStrategy> collectionThatThrowsNPE = new
ArrayList<FileLocationStrategy>(Arrays.asList(getSubStrategies())) {
+ @Override
+ public boolean contains(Object o) {
Review Comment:
Use `final`.
##########
src/test/java/org/apache/commons/configuration2/io/TestCombinedLocationStrategy.java:
##########
@@ -123,6 +124,27 @@ void testInitCollectionWithNullEntries() {
assertThrows(IllegalArgumentException.class, () -> new
CombinedLocationStrategy(col));
}
+ /**
+ * Tests that the constructor handles collections that throw NPE on
contains(null) (like ImmutableList).
+ */
+ @Test
+ void testInitCollectionThrowsNPEOnContainsNull() {
+ // Create a collection that throws NPE on contains(null) like
ImmutableList does
Review Comment:
Whose `ImmutableList`? Don't you mean implementations like
`java.util.ImmutableCollections.List12.indexOf(Object)`?
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