Add sugar to RandomIUtils

src/main/java/org/apache/commons/lang3/RandomUtils.java

@@ -91,6 +91,15 @@ public class RandomUtils {
         return startInclusive + RANDOM.nextInt(endExclusive - startInclusive);
     }
 
+    /**
+     * <p> Returns a random int within 0 - Integer.MAX_VALUE </p>
+     *
+     * @see #nextInt()
+     */
+    public static int nextInt() {
+        return nextInt(0, Integer.MAX_VALUE);
+    }
+    
     /**
      * <p>
      * Returns a random long within the specified range.
@@ -117,6 +126,14 @@ public class RandomUtils {
         return (long) nextDouble(startInclusive, endExclusive);
     }
 
+    /**
+     * <p> Returns a random long within 0 - Long.MAX_VALUE </p>
+     *
+     * @see #nextLong()
+     */
+    public static long nextLong() {
+        return nextLong(0, Long.MAX_VALUE);
+    }
     
     /**
      * <p> 
@@ -144,6 +161,15 @@ public class RandomUtils {
         return startInclusive + ((endInclusive - startInclusive) * RANDOM.nextDouble());
     }
 
+    /**
+     * <p> Returns a random double within 0 - Double.MAX_VALUE </p>
+     *
+     * @see #nextDouble()
+     */
+    public static double nextDouble() {
+        return nextDouble(0, Double.MAX_VALUE);
+    }
+
     /**
      * <p>
      * Returns a random float within the specified range.
@@ -169,4 +195,13 @@ public class RandomUtils {
         
         return startInclusive + ((endInclusive - startInclusive) * RANDOM.nextFloat());
     }
+
+    /**
+     * <p> Returns a random float within 0 - Float.MAX_VALUE </p>
+     *
+     * @see #nextFloat()
+     */
+    public static float nextFloat() {
+        return nextFloat(0, Float.MAX_VALUE);
+    }
 }

src/test/java/org/apache/commons/lang3/RandomUtilsTest.java

@@ -112,6 +112,16 @@ public class RandomUtilsTest {
         assertTrue(result >= 33 && result < 42);
     }
 
+    /**
+     * Tests next double range, random result.
+     */
+    @Test
+    public void testNextIntRandomResult() {
+        int randomResult = RandomUtils.nextInt();
+        assertTrue(randomResult > 0);
+        assertTrue(randomResult < Integer.MAX_VALUE);
+    }
+    
     /**
      * Test next double range with minimal range.
      */
@@ -137,6 +147,16 @@ public class RandomUtilsTest {
         assertTrue(result >= 33d && result <= 42d);
     }
 
+    /**
+     * Tests next double range, random result.
+     */
+    @Test
+    public void testNextDoubleRandomResult() {
+        double randomResult = RandomUtils.nextDouble();
+        assertTrue(randomResult > 0);
+        assertTrue(randomResult < Double.MAX_VALUE);
+    }
+    
     /**
      * Tests next float range.
      */
@@ -146,6 +166,16 @@ public class RandomUtilsTest {
         assertTrue(result >= 33f && result <= 42f);
     }
 
+    /**
+     * Tests next float range, random result.
+     */
+    @Test
+    public void testNextFloatRandomResult() {
+        float randomResult = RandomUtils.nextFloat();
+        assertTrue(randomResult > 0);
+        assertTrue(randomResult < Float.MAX_VALUE);
+    }
+
     /**
      * Test next long range with minimal range.
      */
@@ -163,6 +193,15 @@ public class RandomUtilsTest {
         assertTrue(result >= 33L && result < 42L);
     }
 
+    /**
+     * Tests next long range, random result.
+     */
+    @Test
+    public void testNextLongRandomResult() {
+        long randomResult = RandomUtils.nextLong();
+        assertTrue(randomResult > 0);
+        assertTrue(randomResult < Long.MAX_VALUE);
+    }
     
     /**
      * Tests extreme range.