enable nullaway on unit tests

.github/actions/run-gradle/action.yml

@@ -8,7 +8,7 @@ inputs:
     required: true
     description: The JDK version
   early-access:
-    default: '24'
+    default: '25'
     required: false
     description: The early access release
   graal:

.github/workflows/benchmarks.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ 11, 21, 24, GraalVM ]
+        java: [ 11, 21, 25, GraalVM ]
     env:
       JAVA_VERSION: ${{ matrix.java }}
     steps:

.github/workflows/build.yml

@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ 11, 23, 24, GraalVM ]
+        java: [ 11, 23, 25, GraalVM ]
     env:
       JAVA_VERSION: ${{ matrix.java }}
     steps:

.github/workflows/codacy.yml

@@ -47,7 +47,7 @@ jobs:
         if: steps.check_files.outputs.files_exists == 'true'
         run: jq -c '.runs |= unique_by({tool, invocations, results})' < results.sarif > codacy.sarif
       - name: Upload result to GitHub Code Scanning
-        uses: github/codeql-action/upload-sarif@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         if: steps.check_files.outputs.files_exists == 'true'
         continue-on-error: true
         with:

.github/workflows/codeql.yml

@@ -57,10 +57,10 @@ jobs:
           java: ${{ env.JAVA_VERSION }}
           cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/init@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         with:
           languages: java
       - name: Autobuild
-        uses: github/codeql-action/autobuild@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/autobuild@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/analyze@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9

.github/workflows/dependency-check.yml

@@ -61,7 +61,7 @@ jobs:
         with:
           files: build/reports/dependency-check-report.sarif
       - name: Upload result to GitHub Code Scanning
-        uses: github/codeql-action/upload-sarif@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         if: steps.check_files.outputs.files_exists == 'true'
         with:
           sarif_file: build/reports/dependency-check-report.sarif

.github/workflows/devskim.yml

@@ -31,6 +31,6 @@ jobs:
       - name: Run DevSkim scanner
         uses: microsoft/DevSkim-Action@914fa647b406c387000300b2f09bb28691be2b6d # v1.0.14
       - name: Upload DevSkim scan results to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         with:
           sarif_file: devskim-results.sarif

.github/workflows/qodana.yml

@@ -63,13 +63,13 @@ jobs:
           cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
           arguments: check -x test
       - name: Qodana - Code Inspection
-        uses: JetBrains/qodana-action@31d6f3309b31c566758e1314a3d9ef0dff75ecbd # v2024.2.6
+        uses: JetBrains/qodana-action@b46847499776819f38aad1d4298e16e52f17c4c5 # v2024.3.2
         env:
           QODANA_TOKEN: ${{ secrets.QODANA_TOKEN }}
         with:
           upload-result: true
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Upload SARIF file for GitHub Advanced Security Dashboard
-        uses: github/codeql-action/upload-sarif@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         with:
           sarif_file: ${{ runner.temp }}/qodana/results/qodana.sarif.json

.github/workflows/scorecards-analysis.yml

@@ -58,6 +58,6 @@ jobs:
           path: results.sarif
           retention-days: 5
       - name: Upload to code-scanning
-        uses: github/codeql-action/upload-sarif@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         with:
           sarif_file: results.sarif

.github/workflows/semgrep.yml

@@ -34,7 +34,7 @@ jobs:
         if: steps.check_files.outputs.files_exists == 'true'
         run: jq -c '.runs[0].tool.driver.rules |= unique_by(.id)' < results.sarif > semgrep.sarif
       - name: Upload SARIF file for GitHub Advanced Security Dashboard
-        uses: github/codeql-action/upload-sarif@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         if: steps.check_files.outputs.files_exists == 'true'
         continue-on-error: true
         with:

.github/workflows/snyk.yml

@@ -42,7 +42,7 @@ jobs:
         with:
           files: snyk.sarif
       - name: Upload result to GitHub Code Scanning
-        uses: github/codeql-action/upload-sarif@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         if: steps.check_files.outputs.files_exists == 'true'
         with:
           sarif_file: snyk.sarif

.github/workflows/spelling.yml

@@ -34,4 +34,4 @@ jobs:
             objects.githubusercontent.com:443
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Typos
-        uses: crate-ci/typos@2872c382bb9668d4baa5eade234dcbc0048ca2cf # v1.28.2
+        uses: crate-ci/typos@d1c850b2b5d502763520c25fb4a6a1128ad99bd9 # v1.28.3

.github/workflows/trivy.yml

@@ -36,7 +36,7 @@ jobs:
         with:
           files: results.sarif
       - name: Upload result to GitHub Code Scanning
-        uses: github/codeql-action/upload-sarif@aa578102511db1f4524ed59b8cc2bae4f6e88195 # v3.27.6
+        uses: github/codeql-action/upload-sarif@df409f7d9260372bd5f19e5b04e83cb3c43714ae # v3.27.9
         if: steps.check_files.outputs.files_exists == 'true'
         with:
             sarif_file: results.sarif

.gitignore

@@ -11,6 +11,7 @@ jitwatch.out
 .settings
 .project
 .gradle
+.kotlin
 .vscode
 .idea
 *.iml

caffeine/src/main/java/com/github/benmanes/caffeine/cache/BoundedLocalCache.java

@@ -3163,6 +3163,7 @@ <T> T expireAfterAccessOrder(boolean oldest, Function<@Nullable V, @Nullable V>
    * @param mappingFunction the mapping function to compute a value
    * @return the computed value
    */
+  @SuppressWarnings("NullAway")
   <T> T snapshot(Iterable<Node<K, V>> iterable, Function<@Nullable V, @Nullable V> transformer,
       Function<Stream<CacheEntry<K, V>>, T> mappingFunction) {
     requireNonNull(mappingFunction);
@@ -3901,10 +3902,10 @@ public void run() {
      */
     // public final void quietlyComplete() {}
 
-    @Override public void setRawResult(@Nullable Void v) {}
     @Override public void complete(@Nullable Void value) {}
-    @Override public void completeExceptionally(Throwable ex) {}
+    @Override public void setRawResult(@Nullable Void value) {}
     @Override public @Nullable Void getRawResult() { return null; }
+    @Override public void completeExceptionally(@Nullable Throwable t) {}
     @Override public boolean cancel(boolean mayInterruptIfRunning) { return false; }
   }
 
@@ -4009,6 +4010,7 @@ static final class BoundedPolicy<K, V> implements Policy<K, V> {
     @Override public @Nullable V getIfPresentQuietly(K key) {
       return transformer.apply(cache.getIfPresentQuietly(key));
     }
+    @SuppressWarnings("NullAway")
     @Override public @Nullable CacheEntry<K, V> getEntryIfPresentQuietly(K key) {
       Node<K, V> node = cache.data.get(cache.nodeFactory.newLookupKey(key));
       return (node == null) ? null : cache.nodeToCacheEntry(node, transformer);

caffeine/src/main/java/com/github/benmanes/caffeine/cache/LinkedDeque.java

@@ -55,14 +55,14 @@ interface LinkedDeque<E> extends Deque<E> {
    *
    * @param e the linked element
    */
-  boolean isFirst(E e);
+  boolean isFirst(@Nullable E e);
 
   /**
    * Returns if the element is at the back of the deque.
    *
    * @param e the linked element
    */
-  boolean isLast(E e);
+  boolean isLast(@Nullable E e);
 
   /**
    * Moves the element to the front of the deque so that it becomes the first element.

caffeine/src/test/java/com/github/benmanes/caffeine/cache/AsMapTest.java

@@ -28,6 +28,7 @@
 import static com.google.common.base.MoreObjects.firstNonNull;
 import static com.google.common.collect.ImmutableMap.toImmutableMap;
 import static com.google.common.truth.Truth.assertThat;
+import static java.util.Objects.requireNonNull;
 import static java.util.function.Function.identity;
 import static org.junit.Assert.assertThrows;
 import static org.mockito.ArgumentMatchers.any;
@@ -1841,7 +1842,9 @@ public void keySet_removeAll_partial(Map<Int, Int> map, CacheContext context) {
     assertThat(map.keySet().removeAll(context.firstMiddleLastKeys())).isTrue();
     assertThat(map).isEqualTo(expected);
     assertThat(context).removalNotifications().withCause(EXPLICIT)
-        .contains(Maps.asMap(context.firstMiddleLastKeys(), context.original()::get)).exclusively();
+        .contains(Maps.toMap(context.firstMiddleLastKeys(),
+            key -> requireNonNull(context.original().get(key))))
+        .exclusively();
   }
 
   @CheckNoStats
@@ -2017,7 +2020,9 @@ public void keySet_retainAll_partial(Map<Int, Int> map, CacheContext context) {
     assertThat(map.keySet().retainAll(expected.keySet())).isTrue();
     assertThat(map).isEqualTo(expected);
     assertThat(context).removalNotifications().withCause(EXPLICIT)
-        .contains(Maps.asMap(context.firstMiddleLastKeys(), context.original()::get)).exclusively();
+        .contains(Maps.toMap(context.firstMiddleLastKeys(),
+            key -> requireNonNull(context.original().get(key))))
+        .exclusively();
   }
 
   @CheckNoStats
@@ -2149,6 +2154,7 @@ public void keySpliterator_estimateSize(Map<Int, Int> map, CacheContext context)
   /* --------------- Values --------------- */
 
   @CheckNoStats
+  @SuppressWarnings("NullAway")
   @Test(dataProvider = "caches")
   @CacheSpec(removalListener = { Listener.DISABLED, Listener.REJECTING })
   public void values_toArray_null(Map<Int, Int> map, CacheContext context) {
@@ -2249,7 +2255,8 @@ public void values_removeAll_none_populated(Map<Int, Int> map, CacheContext cont
   public void values_removeAll_partial(Map<Int, Int> map, CacheContext context) {
     var expected = new HashMap<>(context.original());
     expected.keySet().removeAll(context.firstMiddleLastKeys());
-    var removed = Maps.asMap(context.firstMiddleLastKeys(), context.original()::get);
+    var removed = Maps.toMap(context.firstMiddleLastKeys(),
+        key -> requireNonNull(context.original().get(key)));
 
     assertThat(map.values().removeAll(removed.values())).isTrue();
     assertThat(map).isEqualTo(expected);
@@ -2418,7 +2425,8 @@ public void values_retainAll_none_populated(Map<Int, Int> map, CacheContext cont
   public void values_retainAll_partial(Map<Int, Int> map, CacheContext context) {
     var expected = new HashMap<>(context.original());
     expected.keySet().removeAll(context.firstMiddleLastKeys());
-    var removed = Maps.asMap(context.firstMiddleLastKeys(), context.original()::get);
+    var removed = Maps.toMap(context.firstMiddleLastKeys(),
+        key -> requireNonNull(context.original().get(key)));
 
     assertThat(map.values().retainAll(expected.values())).isTrue();
     assertThat(map).isEqualTo(expected);
@@ -2678,7 +2686,8 @@ public void entrySet_removeAll_none_populated(Map<Int, Int> map, CacheContext co
   @Test(dataProvider = "caches")
   @CacheSpec(population = Population.FULL)
   public void entrySet_removeAll_partial(Map<Int, Int> map, CacheContext context) {
-    var removed = Maps.asMap(context.firstMiddleLastKeys(), context.original()::get);
+    var removed = Maps.toMap(context.firstMiddleLastKeys(),
+        key -> requireNonNull(context.original().get(key)));
     var expected = new HashMap<>(context.original());
     expected.entrySet().removeAll(removed.entrySet());
 
@@ -2888,7 +2897,8 @@ public void entrySet_retainAll_none_populated(Map<Int, Int> map, CacheContext co
   @Test(dataProvider = "caches")
   @CacheSpec(population = Population.FULL)
   public void entrySet_retainAll_partial(Map<Int, Int> map, CacheContext context) {
-    var removed = Maps.asMap(context.firstMiddleLastKeys(), context.original()::get);
+    var removed = Maps.toMap(context.firstMiddleLastKeys(),
+        key -> requireNonNull(context.original().get(key)));
     var expected = new HashMap<>(context.original());
     expected.entrySet().removeAll(removed.entrySet());