Issue #12264: Resolve Pitest suppression for MethodParamPadCheck

.ci/pitest-suppressions/pitest-whitespace-suppressions.xml

@@ -99,15 +99,6 @@
     <lineContent>depth = 0;</lineContent>
   </mutation>
 
-  <mutation unstable="false">
-    <sourceFile>MethodParamPadCheck.java</sourceFile>
-    <mutatedClass>com.puppycrawl.tools.checkstyle.checks.whitespace.MethodParamPadCheck</mutatedClass>
-    <mutatedMethod>setOption</mutatedMethod>
-    <mutator>org.pitest.mutationtest.engine.gregor.mutators.experimental.NakedReceiverMutator</mutator>
-    <description>replaced call to java/lang/String::trim with receiver</description>
-    <lineContent>option = PadOption.valueOf(optionStr.trim().toUpperCase(Locale.ENGLISH));</lineContent>
-  </mutation>
-
   <mutation unstable="false">
     <sourceFile>ParenPadCheck.java</sourceFile>
     <mutatedClass>com.puppycrawl.tools.checkstyle.checks.whitespace.ParenPadCheck</mutatedClass>

src/test/java/com/puppycrawl/tools/checkstyle/checks/whitespace/MethodParamPadCheckTest.java

@@ -200,4 +200,13 @@ public void testInvalidOption() throws Exception {
         }
     }
 
+    @Test
+    public void testTrimOptionProperty() throws Exception {
+        final String[] expected = {
+            "15:24: " + getCheckMessage(MSG_WS_NOT_PRECEDED, "("),
+            "26:27: " + getCheckMessage(MSG_WS_NOT_PRECEDED, "("),
+        };
+        verifyWithInlineConfigParser(
+                getPath("InputMethodParamPadSetOptionTrim.java"), expected);
+    }
 }

src/test/resources/com/puppycrawl/tools/checkstyle/checks/whitespace/methodparampad/InputMethodParamPadSetOptionTrim.java

@@ -0,0 +1,32 @@
+/*
+MethodParamPad
+allowLineBreaks = (default)false
+option = \tspace
+tokens = (default)CTOR_DEF, LITERAL_NEW, METHOD_CALL, METHOD_DEF, SUPER_CTOR_CALL, \
+         ENUM_CONSTANT_DEF, RECORD_DEF
+
+
+*/
+
+package com.puppycrawl.tools.checkstyle.checks.whitespace.methodparampad;
+
+public class InputMethodParamPadSetOptionTrim {
+
+    public void method1() { // violation ''(' is not preceded with whitespace'
+        int a = 1, b = 2;
+        if (a > b) {
+            System.out.println (a);
+        }
+    }
+
+    public int method2 () { // ok
+        return 1;
+    }
+
+    public Boolean method3() { // violation ''(' is not preceded with whitespace'
+        if (4 < 5) {
+            return true;
+        }
+        return false;
+    }
+}