IG: "Method parameter naming convention" inspection should not warn on lambda parameters

plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/naming/ParameterNamingConventionInspectionBase.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2013 JetBrains s.r.o.
+ * Copyright 2000-2015 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,10 +15,7 @@
  */
 package com.siyeh.ig.naming;
 
-import com.intellij.psi.PsiCatchSection;
-import com.intellij.psi.PsiElement;
-import com.intellij.psi.PsiForeachStatement;
-import com.intellij.psi.PsiParameter;
+import com.intellij.psi.*;
 import com.siyeh.InspectionGadgetsBundle;
 import com.siyeh.ig.BaseInspectionVisitor;
 import org.jetbrains.annotations.NotNull;
@@ -90,7 +87,8 @@ public class ParameterNamingConventionInspectionBase extends ConventionInspectio
     public void visitParameter(@NotNull PsiParameter variable) {
       final PsiElement scope = variable.getDeclarationScope();
       if (scope instanceof PsiCatchSection ||
-          scope instanceof PsiForeachStatement) {
+          scope instanceof PsiForeachStatement ||
+          scope instanceof PsiLambdaExpression) {
         return;
       }
       final String name = variable.getName();

plugins/InspectionGadgets/test/com/siyeh/igtest/naming/parameter_naming_convention/ParameterNamingConvention.java

@@ -0,0 +1,14 @@
+package com.siyeh.igtest.naming.parameter_naming_convention;
+
+public class ParameterNamingConvention {
+
+  void m(int <warning descr="Parameter name 'a' is too short">a</warning>) {}
+  void n(int abcd) {
+    F f = (i) -> 10;
+  }
+
+  interface F {
+    int a(int <warning descr="Parameter name 'i' is too short">i</warning>);
+  }
+
+}

plugins/InspectionGadgets/testsrc/com/siyeh/ig/naming/ParameterNamingConventionInspectionTest.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2000-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.siyeh.ig.naming;
+
+import com.intellij.codeInspection.InspectionProfileEntry;
+import com.siyeh.ig.LightInspectionTestCase;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * @author Bas Leijdekkers
+ */
+public class ParameterNamingConventionInspectionTest extends LightInspectionTestCase {
+
+  public void testParameterNamingConvention() {
+    doTest();
+  }
+
+  @Nullable
+  @Override
+  protected InspectionProfileEntry getInspection() {
+    final ParameterNamingConventionInspection inspection = new ParameterNamingConventionInspection();
+    inspection.m_minLength = 3;
+    inspection.m_maxLength = 5;
+    return inspection;
+  }
+}