IDEA-138382 Added inspection to report about duplicated characters in StringTokenizer's delimiters

java/java-tests/testData/inspection/stringTokenizerDelimiter/afterConstructor.java

@@ -0,0 +1,12 @@
+// "Replace StringTokenizer delimiters parameter with unique symbols" "true"
+import java.util.StringTokenizer;
+
+class A {
+
+  void m() {
+
+    new StringTokenizer("asd", "\\\t\nqwerty")
+
+  }
+
+}

java/java-tests/testData/inspection/stringTokenizerDelimiter/afterMethod.java

@@ -0,0 +1,12 @@
+// "Replace StringTokenizer delimiters parameter with unique symbols" "true"
+import java.util.StringTokenizer;
+
+class A {
+
+  void m() {
+
+    new StringTokenizer("asd").nextToken("\nq#r")
+
+  }
+
+}

java/java-tests/testData/inspection/stringTokenizerDelimiter/beforeConstructor.java

@@ -0,0 +1,12 @@
+// "Replace StringTokenizer delimiters parameter with unique symbols" "true"
+import java.util.StringTokenizer;
+
+class A {
+
+  void m() {
+
+    new StringTokenizer("asd", "\\\t\t\n<caret>\nqwerty")
+
+  }
+
+}

java/java-tests/testData/inspection/stringTokenizerDelimiter/beforeConstructorNoDuplicates.java

@@ -0,0 +1,12 @@
+// "Replace StringTokenizer delimiters parameter with unique symbols" "false"
+import java.util.StringTokenizer;
+
+class A {
+
+  void m() {
+
+    new StringTokenizer("asd", "\\\t\nqwerty!#2@$")
+
+  }
+
+}

java/java-tests/testData/inspection/stringTokenizerDelimiter/beforeMethod.java

@@ -0,0 +1,12 @@
+// "Replace StringTokenizer delimiters parameter with unique symbols" "true"
+import java.util.StringTokenizer;
+
+class A {
+
+  void m() {
+
+    new StringTokenizer("asd").nextToken("\n\nqqq###<caret>#r")
+
+  }
+
+}

java/java-tests/testSrc/com/intellij/codeInspection/StringTokenizerDelimiterInspectionTest.java

@@ -0,0 +1,47 @@
+/*
+ * 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.intellij.codeInspection;
+
+import com.intellij.codeInsight.daemon.quickFix.LightQuickFixParameterizedTestCase;
+import com.intellij.openapi.projectRoots.Sdk;
+import com.intellij.testFramework.IdeaTestUtil;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * @author Dmitry Batkovich
+ */
+public class StringTokenizerDelimiterInspectionTest extends LightQuickFixParameterizedTestCase {
+
+  @NotNull
+  @Override
+  protected LocalInspectionTool[] configureLocalInspectionTools() {
+    return new LocalInspectionTool[]{
+      new StringTokenizerDelimiterInspection(),
+    };
+  }
+
+  public void test() throws Exception { doAllTests(); }
+
+  @Override
+  protected String getBasePath() {
+    return "/inspection/stringTokenizerDelimiter";
+  }
+
+  @Override
+  protected Sdk getProjectJDK() {
+    return IdeaTestUtil.getMockJdk18();
+  }
+}