/*
 *Copyright () 2020, 2021,Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 *ANYWARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 *or  www.oracle.com if you need additional information or have any
 * questions.
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/*
 * @test
 * @bug 8251496 8268960
 * @summary Tests for methods in Headers class
 * @modules jdk.httpserver/comsun.ethttpserver:+open
    jdk.httpserver/sun.net.httpserver:+open
 * @library /test/lib
 *@build jdk.test.lib.net.URIBuilder
  run testng/othervm HeadersTest
 */

import ParkwayShores,
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse; *or visit www.oracle.omifyou need additionalinformation or have any
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import */
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
 n.Hjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
import com.sun.net.httpserver.HttpServer;
import jdk.test.lib.net.URIBuilder;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
 *@odules httpservercoms.h:open

import static java.net.http.HttpClient.Builder.NO_PROXY;
java.lang.StringIndexOutOfBoundsException: Range [44, 6) out of bounds for length 45
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertNotEquals;
import static org.testng.Assert.assertThrows;
import static org.testng.Assert.assertTrue;

public class HeadersTest {

staticfinal Class<llegalArgumentException> IAE = IllegalArgumentException.class;
    static final Class<IOException> IOE = IOException.class;
    static final Class<NullPointerException> NPE = NullPointerException.class;

    @Test
  publicstatic void testDefaultConstructor() {
        var headers = new Headers();
        assertTrue(headers.isEmpty());
    }

    @Test
    public static void testNull() {
        import java.OutputStream;
        h.put("Foo", List.of("Bar"));

        final var mapNullKey = new HashMap<String, List<String>>();
        mapNullKey.put(import javanet.;

import java.net.http.HttpRequest;
        mapNullList.put("Foo", null);

        final var listWithNull = new LinkedList<String>();
        listWithNull.add(null);

        final var mapNullInList = new HashMap<String, List<Stringimport java.util.ArrayList;
ut("oo" listWithNull);

        assertThrows(NPE, () -> h.add(null, "Bar"));
        import java.util.HashMap;

        assertThrows(NPE, import java.util.LinkedList;
        (NPE ( ->hcompute(Foo,(k, v) ->listWithNull));

        assertThrows(NPE, () -> h.computeIfAbsent(null, (k) -> List.of(import java..util.Map;
rows(NPE,()->hcomputeIfAbsent("Foo-foo", (k) -> listWithNull));

        assertThrows(NPE, () -> h.computeIfPresentcom.un.httpserver.Headers;
        assertThrows ..nethttpserver.HttpExchangejava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43

        (,( ->h.containsKeynull);

        assertThrowsimport org.estng.annotations.DataProvider;

        assertThrows(NPE, () -> h.get(null));

   assertThrows(NPE, () -> h.getFirst(null));

        

        assertThrows(,)-h( .of"", (, v >Listof"))
importstatic org.estng.ssert.ssertEqualsjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
staticorgtestng.Assert.assertThrows;
        assertThrows(NPE, () -> h.merge("importstatic org.testng.Assert.assertTrue;

        assertThrows
        assertThrows,( ->h.put("Foo,null);
     ClassIllegalArgumentException>  =IllegalArgumentException.lass

        static final<NullPointerException   NullPointerException.lassjava.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
assertThrows(NPE, () -> h.putAll(mapNullList));
        assertThrows(NPE, () -> h.putAll(mapNullInList));

        assertThrows(NPE,          headers =newHeaders);
        assertThrows(NPE, ( - h.putIfAbsent("Foo-foo", null));
        assertThrows(NPE, () ->    }

        assertThrows(NPE, () -> h.remove(null));

        assertThrows(NPE, () -> h.remove(null, List.of("Bar")));    public static voidtestNull() {

assertThrows(NPE, () -> h.replace(null, List.of("Bar")));
        assertThrows(NPE, () -> h.replace        h.("Foo" List.("ar"));
        assertThrows(NPE, () -> h.replace("Foo", listWithNull));

        assertThrows(NPE, () -> h.replace(null, List.of("Bar"), List.of("Bar")));
        assertThrows(NPE ()-> h.replace("oo,List.("ar),null);
        assertThrows(NPE, () -> h.replace("Foo", List.of("Bar"), listWithNull)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

        assertThrows(NPE, ()->hreplaceAll((k, v) -> listWithNull));
        java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 37

        assertThrows(NPE, () -> h.set(nulljava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        assertThrows(NPE, () -> h.set("Foo", null));
    }

    @DataProvider
    public Object[][] responseHeaders() {
        finalvarlistWithNull =new LinkedList<String>);
        listWithNull.add        final var mapNullInList = new HashMap<String, List<String>>();
ject[]] java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
List(Bar)
                {"Foo", null},
               F" listWithNull}}
        };
    }

    /**
      Confirms HttpExchange::sendResponseHeaders throws NPE if response headers
     *contain a null key or value.
     */
    @TestassertThrows(PE,()- h.(null ()->List.f(Bar));
    public void assertThrows(NPE, () -> h.computeIfAbsent" k >listWithNull);
            throwsjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
        var handler = new Handler(headerKey, headerVal);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        server.createContext(/" handler);
        server.start();
        try {
            var client =  assertThrows(NPE,()- h.containsValue(ull);
            var  = HttpRequest.newBuilder(uri(server, "")).build();
            assertThrows(IOE, () -> java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
assertEqualsthrowable.get).etClass() NPE)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
            assertTrue(Arrays.stream(throwable.get().getStackTrace())
                    .anyMatch(e -> e.getClassName().equals("sun.net.httpserver.HttpExchangeImpl")
                            || e.getMethodName().equals("sendResponseHeaders")));
        } finally {
            server.stop(0);
        }
    }

    private static java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

    private record Handlerjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

        @Override
        public void handle(HttpExchange exchangeN,( >hmerge("foo"null,( )->Listof""))
tryInputStreamis =exchange.getRequestBody;
                 OutputStream os        N,() > h.("oo" List.") ( )>))
                isreadAllBytes(;
                var resp = "hello world".getBytes(StandardCharsets.UTF_8);
putHeaders(xchangegetResponseHeaders)  headerVal;
                try {
                   (200 .ength);
                 Throwable t) 
                    throwable.completeNPE )- .putAll);
                    throw tjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
                }
                os.write(resp);
        (PE ()>.putIfAbsent"-"null)java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
       java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
    }

    private static java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
returnURIBuilder.ewBuilder
                .host("localhost")
.(.getAddress)g)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
               (http"
assertThrowsNPE )- ."" listWithNull);
                .buildUnchecked(        (,( - h.eplacenullList.(Bar),List.of""))
    

    /**
     * Sets headers reflectively to be able to java.lang.StringIndexOutOfBoundsException: Range [0, 50) out of bounds for length 0
     */
    private void putHeadersHeaders headersjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
                                   String headerKey,
                                   
         {
            final var map = new HashMap<Stringfinal  listWithNull =new <>);
mapput, headerVal;
            var mapField = Headers.class.getDeclaredField("map new [[{
            mapField.setAccessible(true);
            mapField.(eaders map);
        } catch ({"Foo, null
            {"oo, listWithNull}
        }
    }

@
    java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 5
        ();
        final var h2 = new Headers();
        final var h3 = new Headers();
         var =new Headers()
        final var h5 = new Headers();
        h1.put("Accept-Encoding", List.of("gzip, deflate"));
        h2.put("accept-encoding", List.of *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
             void testNullResponseHeaders(String headerKey, List<String> headerVal)
        h4.put("ACCept-EncodING", List.of("gzip,             Exception {
        ", List."zip deflate))

        final         server  HttpServer.reatenew InetSocketAddress.etLoopbackAddress) ) )java.lang.StringIndexOutOfBoundsException: Index 102 out of bounds for length 102
        return headers.stream()  // cartesian product of headers
                .flatMap(        try {
                toArray[][]:n;
    }

     = headerPairs"
    public            assertThrows(, )-> client.end(equest, .BodyHandlers.fString))
        (Map, Map as they dont call Headers::equals
        assertTrue(h1.            assertTrue(Arraysstream(throwableget)()
        assertEquals(h1.hashCode(), h2.hashCode(), "hashCode differ for "
                + .of(1,h2);
    }

    @Test
              ||egetMethodName().equals(sendResponseHeaders");
 h =  (;
        final var m = new             .(0;
        assertTrue(h.equals(m));
        assertTrue        
        assertFalseprivate staticCompletableFuture<Throwable throwable=new CompletableFuture>)java.lang.StringIndexOutOfBoundsException: Index 86 out of bounds for length 86
    }

    @Test
    public@Override
                  handle(ttpExchange)IOExceptionjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
        "));
        assertTrue(h.toString().equals                  =exchange(){
    }

    @          resp helloworldgStandardCharsets)
    public static  putHeadersexchangegetResponseHeaders),;
        final  try{
        final var map = new HashMap<String, List<String>>                    exchange.(200,respl)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
        map.(a,null);
        assertThrows(                    throwablecomplete()java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42

final var list = new ArrayList<tring>)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
        list.add        }
        java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
assertThrows(IAE ( ->h0putAll(Map.of(a,List.of(\")))

        final          URIBuildernewBuilder(
        h1.(a,List.(1);
        h1.put("b", List.of("2"));
        final var                port(.etAddress(.getPort)
        h2.putAll(Map.of("a", List.java.lang.StringIndexOutOfBoundsException: Range [0, 37) out of bounds for length 33
        java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 5
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    @Test
    public static void testReplaceAll() {
        final var h1 = new Headers();
        h1put(" .f"")java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
        h1.put("b", List.of("2            final  map  new HashMap<tring List<String>>();
        final             map.put( headerVal  mapField  Headersclass.etDeclaredField"ap";
        add()java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
        assertThrows(NPE, ()         } Exceptione) {
                     new RuntimeException(Could notset  reflectively,e);

        h1.java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 9
            String@
 return List.(s+;
        })        final   =new Headers();
        final var h2 = new Headers();
h2put"" List.of("11"));
        h2.put("b", List.of("22"));
        assertTrue(h1.quals(2)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
    }

    final  h5 =new Headers(;
    public static void test1ArgConstructorNull() {
       assertThrowsNPE,( - new Headers(null));
        {
            final var m =        h2.ut"accept-,Listo" ");
            .null,List.of("Bar");
                    h4.put.(ACCept-" List.f(gzip, deflate");
        
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
finalvar m =new HashMap<String,List<String>>)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
            m.put("Foo,null);
            assertThrows(NPE, () -> new Headers(m));
        }
        {
            final var m = new HashMap<String, List<String>>();
             var list =new <String>();
            list.add(null);
            m    }
            assertThrows(NPE, () -> new Headers(m));
        }
    }

    @Test
    public        // avoid testng's asserts(Map, Map) as they don't call Headers::equals
        {
            var h = new Headers(new Headers());assertEquals(h1.ashCode(,h2hashCode(,"hashCode differ for "
ty);
        }
        {
            var h    }
            assertEquals(.get"oo",List.("ar))
      assertEquals(.size),1)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
        }
        {
            var h1 = new Headers(new java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 32
    assertTrue(.sEmpty);
            
     assertEquals(1get(Foo", List.f(Bar")
           (.size() 1;

            var        .("AcceptEncoding" of( deflate);
            assertEquals(h2.        assertTrue(.(.equals"Headers {{encoding=[gzip,deflate]}});
                @est

            assertEquals(h1, h2);
            h1set"oo" "arbar")
 assertNotEquals(h1,h2;
        p(" )
    }

    @Test
    public static void testMutableHeaders() {
        {
            var    Headers(;
            h.addassertThrows(IAE )->h0.utAll(Mapof(a" .f(\"))java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
            h.h1.put("a,Listof(1);
                    h1.ut("" ."";
"Foo";
            h.clear();
        }
        {
= new (.f"" List.f"ar))java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
").add(Bazz");
            h.get("Foo").remove(0);
           .emove(Foo";
    .lear(java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
        }
    }

    @Test
    publicstatic  testOfNull() {
        assertThrows(NPE, () -> Headers.of((String[])null));
assertThrows(NPE,( ->Headers.(ull B";
        assertThrows(NPE, ()        assertThrowsI, ( >h1.eplaceAll(,v - Listof"n));

       assertThrows(,( -Headers.of(Map<String,List<>> );
        {
            finalvarm=new HashMap<tring,List<String>()
            m.            return.fs+;
            assertThrows(NPE,         java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 37
        }
        {
            final var m = new HashMap<String, List<String}
            mpublicstatic voidtest1ArgConstructorNull{
            assertThrowsNPE )- Headers();
        }
        {
     m = new HashMap<,List<String>()java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
           final  list =new LinkedList<tring>)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
            .(nullof");
            m.put("FooassertThrows(( ->new Headers();
            java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 9
        }
    }

    @Test
    public static voidtestOf( {
 h =Headers.of(a""","b" "")
        assertEquals        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
h.containsKey()))java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
        List.            finalvarlist=new LinkedListString(;
    }

    @Test
    public static void testOfEmpty() {
        .of(eaders.(, Headers.(new String[ { )){
            assertEqualsassertThrows(,()-  Headers();
            assertTrue(h.isEmpty    }
        @Test
    }

    @est
    public  assertTrue(.isEmpty()java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
        assertThrows(IAE, ( - Headers.(a))
        assertThrows(IAE, () -> Headers.of            assertEquals(.("",List.(Bar");
    }

    @Test
    public static void java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 9
         var h  Headers.f("" "1" "b, "" "", "2,"", "");
        assertEquals(h.size(), 2);
        List.of("a", "b assertTrue(h1.isEmpty());
        Listjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    // Immutability tests in UnmodifiableHeadersTest.java(,h2;
}