test/jdk/java/net/httpclient/http2/server/Http2TestExchangeImpl.java

rev 54109 : 8244031: HttpClient should have more tests for HEAD requests
Summary: Http2TestExchangeImpl.java updated to support HEAD responses; ForbiddenHeadTest.java added.
Reviewed-by: chegar, michaelm

*** 35,44 ****
--- 35,45 ----
  import jdk.internal.net.http.frame.HeaderFrame;
  import jdk.internal.net.http.frame.HeadersFrame;
  
  public class Http2TestExchangeImpl implements Http2TestExchange {
  
+     static final String HEAD = "HEAD";
      final HttpHeaders reqheaders;
      final HttpHeadersBuilder rspheadersBuilder;
      final URI uri;
      final String method;
      final InputStream is;
*** 127,137 ****
      }
  
      @Override
      public void sendResponseHeaders(int rCode, long responseLength) throws IOException {
          this.responseLength = responseLength;
!         if (responseLength !=0 && rCode != 204) {
                  long clen = responseLength > 0 ? responseLength : 0;
              rspheadersBuilder.setHeader("Content-length", Long.toString(clen));
          }
  
          rspheadersBuilder.setHeader(":status", Integer.toString(rCode));
--- 128,138 ----
      }
  
      @Override
      public void sendResponseHeaders(int rCode, long responseLength) throws IOException {
          this.responseLength = responseLength;
!         if (responseLength !=0 && rCode != 204 && !isHeadRequest()) {
                  long clen = responseLength > 0 ? responseLength : 0;
              rspheadersBuilder.setHeader("Content-length", Long.toString(clen));
          }
  
          rspheadersBuilder.setHeader(":status", Integer.toString(rCode));
*** 196,201 ****
--- 197,206 ----
              // writeLoop will spin up thread to read the InputStream
          } catch (IOException ex) {
              System.err.println("TestServer: pushPromise exception: " + ex);
          }
      }
+ 
+     private boolean isHeadRequest() {
+         return HEAD.equalsIgnoreCase(getRequestMethod());
+     }
  }