Merge pull request #3 from eugene-matvejev/init-files

fix ::removeBytes concept

Author: eugene-matvejev

src/byte_flag_calculator.js

@@ -8,8 +8,6 @@ module.exports = class ByteFlagCalculator {
     }
 
     static removeBytes(flags, flag) {
-        return ByteFlagCalculator.hasBytes(flags, flag)
-            ? flags & ~flag
-            : flags;
+        return flags & ~flag;
     }
 };

tests/byte_flag_calculator.test.js

@@ -48,7 +48,10 @@ describe(`byte flag calculator`, () => {
                 { flags: 0x02, flag: 0x01, expected: 0x02 },
                 { flags: 0x12, flag: 0x02, expected: 0x10 },
                 { flags: 0x04, flag: 0x04, expected: 0x00 },
-                { flags: 0x0F, flag: 0xFF, expected: 0x0F },
+                { flags: 0x02, flag: 0x04, expected: 0x02 },
+                { flags: 0xFF, flag: 0xFF, expected: 0x00 },
+                { flags: 0xFF, flag: 0x0F, expected: 0xF0 },
+                { flags: 0xFF, flag: 0xF0, expected: 0x0F },
             ].forEach(el => {
                 it(` - expected ${el.expected} by removing bytes ${el.flag} from ${el.flags}`, () => {
                     expect(calc.removeBytes(el.flags, el.flag)).toBe(el.expected);