From acef6757fe07d3b70a669120b42bf75fb9bd9670 Mon Sep 17 00:00:00 2001
From: Aayush <aaayush@redhat.com>
Date: Sat, 7 Oct 2023 22:51:44 +0530
Subject: [PATCH] Issue #13086: InnerAssignmentCheck failed for one line code

---
 .../checks/coding/InnerAssignmentCheck.java   |  1 +
 .../coding/InnerAssignmentCheckTest.java      |  8 +++++++
 ...nputInnerAssignmentWithEnhancedSwitch.java | 21 +++++++++++++++++++
 3 files changed, 30 insertions(+)
 create mode 100644 src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/checks/coding/innerassignment/InputInnerAssignmentWithEnhancedSwitch.java

diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheck.java
index 2a923a04e14..25426da59bb 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheck.java
@@ -101,6 +101,7 @@ public class InnerAssignmentCheck
             TokenTypes.RESOURCE_SPECIFICATION,
         },
         {TokenTypes.EXPR, TokenTypes.LAMBDA},
+        {TokenTypes.EXPR, TokenTypes.SWITCH_RULE},
     };
 
     /**
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheckTest.java
index f33cc2527ef..a9f6f1ca963 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/coding/InnerAssignmentCheckTest.java
@@ -79,6 +79,14 @@ public void testInnerAssignmentNotInLoopContext() throws Exception {
                 expected);
     }
 
+    @Test
+    public void testInnerAssignmentWithEnhancedSwitch() throws Exception {
+        final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
+        verifyWithInlineConfigParser(
+                getNonCompilablePath("InputInnerAssignmentWithEnhancedSwitch.java"),
+                expected);
+    }
+
     @Test
     public void testTokensNotNull() {
         final InnerAssignmentCheck check = new InnerAssignmentCheck();
diff --git a/src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/checks/coding/innerassignment/InputInnerAssignmentWithEnhancedSwitch.java b/src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/checks/coding/innerassignment/InputInnerAssignmentWithEnhancedSwitch.java
new file mode 100644
index 00000000000..c459f20aa66
--- /dev/null
+++ b/src/test/resources-noncompilable/com/puppycrawl/tools/checkstyle/checks/coding/innerassignment/InputInnerAssignmentWithEnhancedSwitch.java
@@ -0,0 +1,21 @@
+/*
+InnerAssignment
+
+
+*/
+package com.puppycrawl.tools.checkstyle.checks.coding.innerassignment;
+
+//non-compiled with javac: Compilable with Java14
+public class InputInnerAssignmentWithEnhancedSwitch {
+
+    void method(final String operation) {
+        boolean flag = false;
+        switch (operation) {
+            case "Y" -> flag = true;
+            case "N" -> {
+                flag = false;
+            }
+            default -> throw new UnsupportedOperationException();
+        }
+    }
+}