From 0a2f025b5882df6138945e6d9ae429475bf6bc38 Mon Sep 17 00:00:00 2001
From: ghm <ghm@google.com>
Date: Wed, 13 Sep 2023 06:39:59 -0700
Subject: [PATCH] Don't look through primitive casts; they actually do change
 the underlying type!

PiperOrigin-RevId: 565034385
---
 .../TruthIncompatibleType.java                     |  2 +-
 .../TruthIncompatibleTypeTest.java                 | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/com/google/errorprone/bugpatterns/collectionincompatibletype/TruthIncompatibleType.java b/core/src/main/java/com/google/errorprone/bugpatterns/collectionincompatibletype/TruthIncompatibleType.java
index e1cc34d90fc..060d1448b48 100644
--- a/core/src/main/java/com/google/errorprone/bugpatterns/collectionincompatibletype/TruthIncompatibleType.java
+++ b/core/src/main/java/com/google/errorprone/bugpatterns/collectionincompatibletype/TruthIncompatibleType.java
@@ -503,7 +503,7 @@ protected Tree defaultAction(Tree node, Void unused) {
 
           @Override
           public Tree visitTypeCast(TypeCastTree node, Void unused) {
-            return node.getExpression().accept(this, null);
+            return getType(node).isPrimitive() ? node : node.getExpression().accept(this, null);
           }
 
           @Override
diff --git a/core/src/test/java/com/google/errorprone/bugpatterns/collectionincompatibletype/TruthIncompatibleTypeTest.java b/core/src/test/java/com/google/errorprone/bugpatterns/collectionincompatibletype/TruthIncompatibleTypeTest.java
index 85122d1bf45..e558e88bd01 100644
--- a/core/src/test/java/com/google/errorprone/bugpatterns/collectionincompatibletype/TruthIncompatibleTypeTest.java
+++ b/core/src/test/java/com/google/errorprone/bugpatterns/collectionincompatibletype/TruthIncompatibleTypeTest.java
@@ -571,6 +571,20 @@ public void comparingElementsUsingRawCollection_noFinding() {
         .doTest();
   }
 
+  @Test
+  public void casts() {
+    compilationHelper
+        .addSourceLines(
+            "Test.java",
+            "import static com.google.common.truth.Truth.assertThat;",
+            "public class Test {",
+            "  public void f(int a, long b, long c) {",
+            "    assertThat((long) a).isAnyOf(b, c);",
+            "  }",
+            "}")
+        .doTest();
+  }
+
   @Test
   public void subjectExhaustiveness(
       @TestParameter(valuesProvider = SubjectMethods.class) Method method) {