TypeUtils#isOfType() should not compare annotations on methods (#4945)

Author: knutwannheden

rewrite-java-tck/src/main/java/org/openrewrite/java/tree/TypeUtilsTest.java

@@ -27,6 +27,7 @@
 import java.util.EnumSet;
 import java.util.function.Consumer;
 
+import static java.util.Collections.emptyList;
 import static java.util.Collections.singletonList;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertFalse;
@@ -233,6 +234,29 @@ public J.VariableDeclarations.NamedVariable visitVariable(J.VariableDeclarations
         );
     }
 
+    @Test
+    void methodWithAnnotationsIsOfType() {
+        rewriteRun(
+          java(
+            """
+              class Test {
+                  @Deprecated
+                  void foo() {}
+              }
+              """,
+            spec -> spec.afterRecipe(cu -> new JavaIsoVisitor<>() {
+                @Override
+                public J.MethodDeclaration visitMethodDeclaration(J.MethodDeclaration method, Object o) {
+                    assertThat(TypeUtils.isOfType(method.getMethodType(), method.getMethodType())).isTrue();
+                    assertThat(TypeUtils.isOfType(method.getMethodType().withAnnotations(emptyList()), method.getMethodType())).isTrue();
+                    assertThat(TypeUtils.isOfType(method.getMethodType(), method.getMethodType().withAnnotations(emptyList()))).isTrue();
+                    return method;
+                }
+            }.visit(cu, new InMemoryExecutionContext()))
+          )
+        );
+    }
+
     @Test
     void isParameterizedTypeOfType() {
         rewriteRun(

rewrite-java/src/main/java/org/openrewrite/java/tree/TypeUtils.java

@@ -139,11 +139,9 @@ public static boolean isOfType(@Nullable JavaType type1, @Nullable JavaType type
             JavaType.Method method1 = (JavaType.Method) type1;
             JavaType.Method method2 = (JavaType.Method) type2;
             if (!method1.getName().equals(method2.getName()) ||
-                method1.getFlags().size() != method2.getFlags().size() ||
-                !method1.getFlags().containsAll(method2.getFlags()) ||
+                method1.getFlagsBitMap() != method2.getFlagsBitMap() ||
                 !TypeUtils.isOfType(method1.getDeclaringType(), method2.getDeclaringType()) ||
                 !TypeUtils.isOfType(method1.getReturnType(), method2.getReturnType()) ||
-                method1.getAnnotations().size() != method2.getAnnotations().size() ||
                 method1.getThrownExceptions().size() != method2.getThrownExceptions().size() ||
                 method1.getParameterTypes().size() != method2.getParameterTypes().size()) {
                 return false;
@@ -159,11 +157,6 @@ public static boolean isOfType(@Nullable JavaType type1, @Nullable JavaType type
                     return false;
                 }
             }
-            for (int index = 0; index < method1.getAnnotations().size(); index++) {
-                if (!TypeUtils.isOfType(method1.getAnnotations().get(index), method2.getAnnotations().get(index))) {
-                    return false;
-                }
-            }
             return true;
         }
         return type1.equals(type2);