added missing input file for SimplifyBoolean Checks

src/testinputs/com/puppycrawl/tools/checkstyle/InputSimplifyBoolean.java

@@ -0,0 +1,45 @@
+////////////////////////////////////////////////////////////////////////////////
+// Test case file for checkstyle.
+// Created: 2001
+////////////////////////////////////////////////////////////////////////////////
+package com.puppycrawl.tools.checkstyle;
+
+/**
+   Contains boolean logic that can be simplified.
+
+   @author lkuehne
+ */
+public class InputSimplifyBoolean
+{
+
+    public static boolean isOddMillis()
+    {
+        boolean even = System.currentMillis() % 2 == 0;
+
+        // can be simplified to "if (even)"
+        if (even == true) {
+            return false;
+        }
+        else {
+            return true;
+        }
+        // return can be simplified to "return !even"
+    }
+
+    public static boolean isOddMillis2()
+    {
+        boolean even = System.currentMillis() % 2 == 0;
+        // can be simplified to "return !even"
+        if (!even)
+            return true;
+        else
+            return false;
+    }
+
+    public static boolean giveMeTrue()
+    {
+        boolean tt = isOddMillis() || true;
+        boolean ff = isOddMillis() && false;
+        return !false || (true != false);
+    }
+}