IDEA-87966 tests added

plugins/InspectionGadgets/test/com/siyeh/igtest/controlflow/pointless_boolean_expression_ignore_cont_const/PointlessBooleanExpression.java

@@ -0,0 +1,22 @@
+public class Bug {
+  interface I1{}
+  interface I2{}
+  class C1 {}
+  class C2 extends C1 implements I1, I2{}
+  class C3 extends C1 implements I1, I2{}
+
+  public static void x(C1 c1) {
+    if (c1 instanceof I1 && c1 instanceof I2) {
+
+    }
+
+    if (1 > Math.random() && Math.random()==Math.random()) {
+
+    }
+
+    boolean b = true;
+    if (!b){
+
+    }
+  }
+}

plugins/InspectionGadgets/test/com/siyeh/igtest/controlflow/pointless_boolean_expression_ignore_cont_const/expected.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems>
+  <problem>
+    <file>PointlessBooleanExpression.java</file>
+    <line>18</line>
+    <problem_class severity="WARNING" attribute_key="WARNING_ATTRIBUTES">Pointless boolean expression</problem_class>
+    <description>Condition '!b' is always 'false'</description>
+  </problem>
+</problems>

plugins/InspectionGadgets/testsrc/com/siyeh/ig/controlflow/PointlessBooleanExpressionInspectionTest.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2000-2012 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.controlflow;
+
+import com.siyeh.ig.IGInspectionTestCase;
+
+/**
+ * @author Danila Ponomarenko
+ */
+public class PointlessBooleanExpressionInspectionTest extends IGInspectionTestCase {
+
+  public void testIgnoreExpressionsContainingConstants() throws Exception {
+    final PointlessBooleanExpressionInspection inspection = new PointlessBooleanExpressionInspection();
+    inspection.m_ignoreExpressionsContainingConstants = true;
+    doTest("com/siyeh/igtest/controlflow/pointless_boolean_expression_ignore_cont_const", inspection);
+  }
+}