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Small tweaks to fix Error Prone warnings. #2227

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merged 2 commits into from Oct 24, 2022
Merged

Small tweaks to fix Error Prone warnings. #2227

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0c51522
Small tweaks to fix Error Prone warnings.
eamonnmcmanus Oct 24, 2022
d9a5b7c
Add another suppression.
eamonnmcmanus Oct 24, 2022
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2 changes: 1 addition & 1 deletion gson/src/main/java/com/google/gson/internal/bind/JsonTreeReader.java
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Expand Up @@ -277,7 +277,7 @@ JsonElement nextJsonElement() throws IOException {
JsonToken peeked = peek();
switch (peeked) {
case NAME:
nextName(true);
String unused = nextName(true);

Check notice

Code scanning / CodeQL

Unread local variable

Variable 'String unused' is never read.
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Should we add @SuppressWarnings("unused") to avoid (Eclipse) IDE warnings?

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If you send a PR for that, I will merge it. :-)
Error Prone doesn't warn about an unused variable if its name begins with unused.
Eventually I might want to add Error Prone's @CanIgnoreReturnValue to methods like this nextName, and then we wouldn't need to have this assignment. But that would mean introducing a dependency on Error Prone's annotations artifact.

break;
case END_ARRAY:
endArray();
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4 changes: 2 additions & 2 deletions gson/src/test/java/com/google/gson/JsonArrayAsListTest.java
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Expand Up @@ -210,7 +210,7 @@ public void testContains() {
assertFalse(list.contains(new JsonPrimitive(2)));
assertFalse(list.contains(null));

@SuppressWarnings("unlikely-arg-type")
@SuppressWarnings({"unlikely-arg-type", "CollectionIncompatibleType"})
boolean containsInt = list.contains(1); // should only contain JsonPrimitive(1)
assertFalse(containsInt);
}
Expand All @@ -227,7 +227,7 @@ public void testIndexOf() {
assertEquals(-1, list.indexOf(new JsonPrimitive(2)));
assertEquals(-1, list.indexOf(null));

@SuppressWarnings("unlikely-arg-type")
@SuppressWarnings({"unlikely-arg-type", "CollectionIncompatibleType"})
int indexOfInt = list.indexOf(1); // should only contain JsonPrimitive(1)
assertEquals(-1, indexOfInt);

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2 changes: 1 addition & 1 deletion gson/src/test/java/com/google/gson/JsonObjectAsMapTest.java
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Expand Up @@ -59,7 +59,7 @@ public void testContainsValue() {
assertFalse(map.containsValue(new JsonPrimitive(2)));
assertFalse(map.containsValue(null));

@SuppressWarnings("unlikely-arg-type")
@SuppressWarnings({"unlikely-arg-type", "CollectionIncompatibleType"})
boolean containsInt = map.containsValue(1); // should only contain JsonPrimitive(1)
assertFalse(containsInt);
}
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