DefaultHttpHeadersTest Class — netty Architecture

Source Code

codec-http/src/test/java/io/netty/handler/codec/http/DefaultHttpHeadersTest.java lines 46–342

public class DefaultHttpHeadersTest {
    private static final CharSequence HEADER_NAME = "testHeader";
    private static final CharSequence ILLEGAL_VALUE = "testHeader\r\nContent-Length:45\r\n\r\n";

    @Test
    public void nullHeaderNameNotAllowed() {
        assertThrows(IllegalArgumentException.class, new Executable() {
            @Override
            public void execute() {
                new DefaultHttpHeaders().add(null, "foo");
            }
        });
    }

    @Test
    public void emptyHeaderNameNotAllowed() {
        assertThrows(IllegalArgumentException.class, new Executable() {
            @Override
            public void execute() {
                new DefaultHttpHeaders().add(StringUtil.EMPTY_STRING, "foo");
            }
        });
    }

    @Test
    public void keysShouldBeCaseInsensitive() {
        DefaultHttpHeaders headers = new DefaultHttpHeaders();
        headers.add(of("Name"), of("value1"));
        headers.add(of("name"), of("value2"));
        headers.add(of("NAME"), of("value3"));
        assertEquals(3, headers.size());

        List<String> values = asList("value1", "value2", "value3");

        assertEquals(values, headers.getAll(of("NAME")));
        assertEquals(values, headers.getAll(of("name")));
        assertEquals(values, headers.getAll(of("Name")));
        assertEquals(values, headers.getAll(of("nAmE")));
    }

    @Test
    public void keysShouldBeCaseInsensitiveInHeadersEquals() {
        DefaultHttpHeaders headers1 = new DefaultHttpHeaders();
        headers1.add(of("name1"), asList("value1", "value2", "value3"));
        headers1.add(of("nAmE2"), of("value4"));

        DefaultHttpHeaders headers2 = new DefaultHttpHeaders();
        headers2.add(of("naMe1"), asList("value1", "value2", "value3"));
        headers2.add(of("NAME2"), of("value4"));

        assertEquals(headers1, headers1);
        assertEquals(headers2, headers2);
        assertEquals(headers1, headers2);
        assertEquals(headers2, headers1);
        assertEquals(headers1.hashCode(), headers2.hashCode());
    }

    @Test
    public void testStringKeyRetrievedAsAsciiString() {
        final HttpHeaders headers = new DefaultHttpHeaders(false);

        // Test adding String key and retrieving it using a AsciiString key
        final String connection = "keep-alive";
        headers.add(of("Connection"), connection);

        // Passes
        final String value = headers.getAsString(HttpHeaderNames.CONNECTION.toString());
        assertNotNull(value);
        assertEquals(connection, value);

        // Passes
        final String value2 = headers.getAsString(HttpHeaderNames.CONNECTION);
        assertNotNull(value2);
        assertEquals(connection, value2);
    }

    @Test
    public void testAsciiStringKeyRetrievedAsString() {
        final HttpHeaders headers = new DefaultHttpHeaders(false);

        // Test adding AsciiString key and retrieving it using a String key