f = Hoge.class.getDeclaredField("s");
        assertFalse(ModifierUtil.isInstanceField(f));
    }

    /**
     * @throws Exception
     */
    public void testIsTransient() throws Exception {
        Field f = Hoge.class.getDeclaredField("bbb");
        assertTrue(ModifierUtil.isTransient(f));
        f = Hoge.class.getDeclaredField("s");
        assertFalse(ModifierUtil.isTransient(f));
    }

    /**

    for (LoadingCache<Object, Object> cache : caches()) {
      Set<Object> keys = cache.asMap().keySet();
      assertFalse(keys.remove(null));
      assertFalse(keys.remove(6));
      assertFalse(keys.remove(-6));
      assertFalse(keys.removeAll(asList(null, 0, 15, 1500)));
      assertFalse(keys.retainAll(asList(null, 0, 15, 1500)));
      checkEmpty(keys);
      checkEmpty(cache);
    }
  }

        file.createNewFile();
        updateCheckManager.touch(a, remoteRepository, null);

        assertFalse(updateCheckManager.isUpdateRequired(a, remoteRepository));

        assertNull(
                updateCheckManager.readLastUpdated(touchFile, updateCheckManager.getRepositoryKey(remoteRepository)));

        assertFalse(updateCheckManager.getTouchfile(a).exists());
    }

    @Test

        assertFalse(enforceVersion("[2.0.6,)", actualVersion));
        assertFalse(enforceVersion("[2.0.6]", actualVersion));
        assertTrue(enforceVersion("[2.0,2.1]", actualVersion));
        assertFalse(enforceVersion("[2.0,2.0.3]", actualVersion));
        assertTrue(enforceVersion("[2.0,2.0.5]", actualVersion));
        assertFalse(enforceVersion("[2.0,2.0.5)", actualVersion));
    }

    public void testIsNumver() throws Exception {
        assertFalse(StringUtil.isNumber(null));
        assertTrue(StringUtil.isNumber("0123456789"));
        assertFalse(StringUtil.isNumber("aaaBBBccc"));
        assertFalse(StringUtil.isNumber("０１２３４５６７８９"));
        assertFalse(StringUtil.isNumber(""));
        assertFalse(StringUtil.isNumber("01234abcdef"));
        assertFalse(StringUtil.isNumber("abcdef01234"));
    }

    /**

    assertFalse(range.encloses(Range.openClosed(2, 5)));
    assertFalse(range.encloses(Range.closedOpen(2, 5)));
    assertFalse(range.encloses(Range.closed(1, 4)));
    assertFalse(range.encloses(Range.closed(3, 6)));
    assertFalse(range.encloses(Range.greaterThan(3)));
    assertFalse(range.encloses(Range.lessThan(3)));
    assertFalse(range.encloses(Range.atLeast(3)));

        // Arrange
        SecurityBlob a = new SecurityBlob(new byte[] { 1 });

        // Act & Assert
        assertFalse(a.equals(null), "equals(null) should be false");
        assertFalse(a.equals("not a blob"), "equals(other type) should be false");
    }

    // Ensures clone() returns a deep copy; mutations are independent across instances
    @Test

            assertFalse(uniAddress1.equals(uniAddress2));
        }

        @Test
        void equalsShouldReturnFalseForDifferentWrappedAddressTypes() {
            UniAddress uniAddress1 = new UniAddress(inetAddress1);
            UniAddress uniAddress2 = new UniAddress(nbtAddress1);
            assertFalse(uniAddress1.equals(uniAddress2));
        }

        @Test

        // Act & Assert
        assertTrue(signingDigest.verify(testData, 0, 8, 0, message));
        assertFalse(signingDigest.verify(testData, 0, 8, 0, message));
        assertTrue(signingDigest.verify(testData, 0, 8, 0, message));
        assertFalse(signingDigest.verify(testData, 0, 8, 0, message));
        assertTrue(signingDigest.verify(testData, 0, 8, 0, message));

        void testReceivedState() {
            assertFalse(echoResponse.isReceived());

            echoResponse.received();

            assertTrue(echoResponse.isReceived());
        }

        @Test
        @DisplayName("Should track error state")
        void testErrorState() {
            assertFalse(echoResponse.isError());

            echoResponse.error();