remove one method

Author: JavaSaBr

rlib-common/src/main/java/com/ss/rlib/common/util/NumberUtils.java

@@ -253,18 +253,6 @@ public static byte getLowByteBits(int value) {
         return (byte) (value & 0x0F);
     }
 
-    /**
-     * Read several bits from a number from some position.
-     *
-     * @param value    the value.
-     * @param position the position to start read bits.
-     * @param count    the required count of read bits.
-     * @return the result value.
-     */
-    public static int readBits(int value, int position, int count) {
-        return (((1 << count) - 1) & (value >> (position - 1)));
-    }
-
     /**
      * Covert a byte to unsigned byte.
      *

rlib-common/src/test/java/com/ss/rlib/common/test/util/NumberUtilsTest.java

@@ -164,13 +164,4 @@ void shouldChangeBitsInByteCorrectly() {
         assertTrue(NumberUtils.isNotSetBit(NumberUtils.unsetBit(255, 6), 6));
         assertTrue(NumberUtils.isNotSetBit(NumberUtils.unsetBit(255, 7), 7));
     }
-
-    @Test
-    void shouldReadDifferentBitsCorrectly() {
-
-        assertEquals(0b0000_1000, NumberUtils.getHighByteBits(0b1000_0100));
-        System.out.println(Integer.toString(NumberUtils.getHighByteBits(0b1000_0100), 2));
-        System.out.println(Integer.toString(NumberUtils.readBits(0b1000_0100, 4, 1), 2));
-        assertEquals(0b0000_1000, NumberUtils.readBits(0b1000_0100, 1, 4));
-    }
 }