testDifferentClassesAreNotEqual() — netty Function Reference

Source Code

buffer/src/test/java/io/netty/buffer/DefaultByteBufHolderTest.java lines 49–75

    @SuppressWarnings("SimplifiableJUnitAssertion")
    @Test
    public void testDifferentClassesAreNotEqual() {
        // all objects here have EMPTY_BUFFER data but are instances of different classes
        // so we want to check that none of them are equal to another.
        ByteBufHolder dflt = new DefaultByteBufHolder(Unpooled.EMPTY_BUFFER);
        ByteBufHolder other = new OtherByteBufHolder(Unpooled.EMPTY_BUFFER, 123);
        ByteBufHolder constant1 = new DefaultByteBufHolder(Unpooled.EMPTY_BUFFER) {
            // intentionally empty
        };
        ByteBufHolder constant2 = new DefaultByteBufHolder(Unpooled.EMPTY_BUFFER) {
            // intentionally empty
        };
        try {
            // not using 'assertNotEquals' to be explicit about which object we are calling .equals() on
            assertFalse(dflt.equals(other));
            assertFalse(dflt.equals(constant1));
            assertFalse(constant1.equals(dflt));
            assertFalse(constant1.equals(other));
            assertFalse(constant1.equals(constant2));
        } finally {
            dflt.release();
            other.release();
            constant1.release();
            constant2.release();
        }
    }