/*xml
   <module name="Checker">
     <module name="TreeWalker">
       <module name="ParameterAssignment"/>
     </module>
   </module>
   */
   
   package com.puppycrawl.tools.checkstyle.checks.coding.parameterassignment;
  
  
  import java.util.function.IntBinaryOperator;
  import java.util.function.IntPredicate;
  
  // xdoc section -- start
  class Example1 {
    int methodOne(int parameter) {
      if (parameter <= 0 ) {
        throw new IllegalArgumentException("A positive value is expected");
      }
      // violation below 'Assignment of parameter 'parameter' is not allowed.'
      parameter -= 2;
      return parameter;
    }
  
    int methodTwo(int parameter) {
      if (parameter <= 0 ) {
        throw new IllegalArgumentException("A positive value is expected");
      }
      int local = parameter;
      local -= 2;
      return local;
    }
    // violation below 'Assignment of parameter 'a' is not allowed.'
    IntPredicate obj = a -> ++a == 12;
    IntBinaryOperator obj2 = (int a, int b) -> {
      a++;     // violation 'Assignment of parameter 'a' is not allowed.'
      b += 12; // violation 'Assignment of parameter 'b' is not allowed.'
      return a + b;
    };
    IntPredicate obj3 = a -> {
      int b = a;
      return ++b == 12;
    };
  }
  // xdoc section -- end