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/*
* Copyright (c) 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
* ANY WARRANTY; 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 visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8251496 8268960
* @summary Tests for methods in Headers class
* @modules jdk.httpserver/com.sun.net.httpserver:+open
* jdk.httpserver/sun.net.httpserver:+open
* @library /test/lib
* @build jdk.test.lib.net.URIBuilder
* @run testng/othervm HeadersTest
*/
import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import jdk.test.lib.net.URIBuilder;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.io.IOException;
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;
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 static java.net.http.HttpClient.Builder.NO_PROXY;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotEquals;
import static org.testng.Assert.assertThrows;
import static org.testng.Assert.assertTrue;
public class HeadersTest {
static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class;
static final Class<IOException> IOE = IOException.class;
static final Class<NullPointerException> NPE = NullPointerException.class;
@Test
public static void testDefaultConstructor() {
var headers = new Headers();
assertTrue(headers.isEmpty());
}
@Test
public static void testNull() {
final Headers h = new Headers();
h.put("Foo", List.of("Bar"));
final var mapNullKey = new HashMap<String, List<String>>();
mapNullKey.put(null, List.of("Bar"));
final var mapNullList = new HashMap<String, List<String>>();
mapNullList.put("Foo", null);
final var listWithNull = new LinkedList<String>();
listWithNull.add(null);
final var mapNullInList = new HashMap<String, List<String>>();
mapNullInList.put("Foo", listWithNull);
assertThrows(NPE, () -> h.add(null, "Bar"));
assertThrows(NPE, () -> h.add("Foo", null));
assertThrows(NPE, () -> h.compute(null, (k, v) -> List.of("Bar")));
assertThrows(NPE, () -> h.compute("Foo", (k, v) -> listWithNull));
assertThrows(NPE, () -> h.computeIfAbsent(null, (k) -> List.of("Bar")));
assertThrows(NPE, () -> h.computeIfAbsent("Foo-foo", (k) -> listWithNull));
assertThrows(NPE, () -> h.computeIfPresent(null, (k, v) -> List.of("Bar")));
assertThrows(NPE, () -> h.computeIfPresent("Foo", (k, v) -> listWithNull));
assertThrows(NPE, () -> h.containsKey(null));
assertThrows(NPE, () -> h.containsValue(null));
assertThrows(NPE, () -> h.get(null));
assertThrows(NPE, () -> h.getFirst(null));
assertThrows(NPE, () -> h.getOrDefault(null, List.of("Bar")));
assertThrows(NPE, () -> h.merge(null, List.of("Bar"), (k, v) -> List.of("Bar")));
assertThrows(NPE, () -> h.merge("Foo-foo", null, (k, v) -> List.of("Bar")));
assertThrows(NPE, () -> h.merge("Foo-foo", listWithNull, (k, v) -> List.of("Bar")));
assertThrows(NPE, () -> h.merge("Foo", List.of("Bar"), (k, v) -> listWithNull));
assertThrows(NPE, () -> h.put(null, List.of("Bar")));
assertThrows(NPE, () -> h.put("Foo", null));
assertThrows(NPE, () -> h.put("Foo", listWithNull));
assertThrows(NPE, () -> h.putAll(mapNullKey));
assertThrows(NPE, () -> h.putAll(mapNullList));
assertThrows(NPE, () -> h.putAll(mapNullInList));
assertThrows(NPE, () -> h.putIfAbsent(null, List.of("Bar")));
assertThrows(NPE, () -> h.putIfAbsent("Foo-foo", null));
assertThrows(NPE, () -> h.putIfAbsent("Foo-foo", listWithNull));
assertThrows(NPE, () -> h.remove(null));
assertThrows(NPE, () -> h.remove(null, List.of("Bar")));
assertThrows(NPE, () -> h.replace(null, List.of("Bar")));
assertThrows(NPE, () -> h.replace("Foo", null));
assertThrows(NPE, () -> h.replace("Foo", listWithNull));
assertThrows(NPE, () -> h.replace(null, List.of("Bar"), List.of("Bar")));
assertThrows(NPE, () -> h.replace("Foo", List.of("Bar"), null));
assertThrows(NPE, () -> h.replace("Foo", List.of("Bar"), listWithNull));
assertThrows(NPE, () -> h.replaceAll((k, v) -> listWithNull));
assertThrows(NPE, () -> h.replaceAll((k, v) -> null));
assertThrows(NPE, () -> h.set(null, "Bar"));
assertThrows(NPE, () -> h.set("Foo", null));
}
@DataProvider
public Object[][] responseHeaders() {
final var listWithNull = new LinkedList<String>();
listWithNull.add(null);
return new Object[][] {{null, List.of("Bar")}, {"Foo", null}, {"Foo", listWithNull}};
}
/**
* Confirms HttpExchange::sendResponseHeaders throws NPE if response headers
* contain a null key or value.
*/
@Test(dataProvider = "responseHeaders")
public void testNullResponseHeaders(String headerKey, List<String> headerVal) throws Exception {
var handler = new Handler(headerKey, headerVal);
var server = HttpServer.create(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0), 0);
server.createContext("/", handler);
server.start();
try {
var client = HttpClient.newBuilder().proxy(NO_PROXY).build();
var request = HttpRequest.newBuilder(uri(server, "")).build();
assertThrows(IOE, () -> client.send(request, HttpResponse.BodyHandlers.ofString()));
assertEquals(throwable.get().getClass(), NPE);
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 final CompletableFuture<Throwable> throwable = new CompletableFuture<>();
private record Handler(String headerKey, List<String> headerVal) implements HttpHandler {
@Override
public void handle(HttpExchange exchange) throws IOException {
try (InputStream is = exchange.getRequestBody(); OutputStream os = exchange.getResponseBody()) {
is.readAllBytes();
var resp = "hello world".getBytes(StandardCharsets.UTF_8);
putHeaders(exchange.getResponseHeaders(), headerKey, headerVal);
try {
exchange.sendResponseHeaders(200, resp.length);
} catch (Throwable t) { // expect NPE
throwable.complete(t);
throw t;
}
os.write(resp);
}
}
}
private static URI uri(HttpServer server, String path) {
return URIBuilder.newBuilder().host("localhost").port(server.getAddress().getPort()).scheme("http").path("/" + path)
.buildUnchecked();
}
/**
* Sets headers reflectively to be able to set a null key or value.
*/
private static void putHeaders(Headers headers, String headerKey, List<String> headerVal) {
try {
final var map = new HashMap<String, List<String>>();
map.put(headerKey, headerVal);
var mapField = Headers.class.getDeclaredField("map");
mapField.setAccessible(true);
mapField.set(headers, map);
} catch (Exception e) {
throw new RuntimeException("Could not set headers reflectively", e);
}
}
@DataProvider
public static Object[][] headerPairs() {
final var h1 = new Headers();
final var h2 = new Headers();
final var h3 = new Headers();
final var h4 = new Headers();
final var h5 = new Headers();
h1.put("Accept-Encoding", List.of("gzip, deflate"));
h2.put("accept-encoding", List.of("gzip, deflate"));
h3.put("AccePT-ENCoding", List.of("gzip, deflate"));
h4.put("ACCept-EncodING", List.of("gzip, deflate"));
h5.put("ACCEPT-ENCODING", List.of("gzip, deflate"));
final var headers = List.of(h1, h2, h3, h4, h5);
return headers.stream() // cartesian product of headers
.flatMap(header1 -> headers.stream().map(header2 -> new Headers[] {header1, header2})).toArray(Object[][]::new);
}
@Test(dataProvider = "headerPairs")
public static void testEqualsAndHashCode(Headers h1, Headers h2) {
// avoid testng's asserts(Map, Map) as they don't call Headers::equals
assertEquals(h2, h1, "Headers differ");
assertEquals(h1.hashCode(), h2.hashCode(), "hashCode differ for " + List.of(h1, h2));
}
@Test
public static void testEqualsMap() {
final var h = new Headers();
final var m = new HashMap<String, List<String>>();
assertEquals(m, h);
assertEquals(h, m);
assertNotEquals(h, null, "null cannot be equal to Headers");
}
@Test
public static void testToString() {
final var h = new Headers();
h.put("Accept-Encoding", List.of("gzip, deflate"));
assertEquals(h.toString(), "Headers { {Accept-encoding=[gzip, deflate]} }");
}
@Test
public static void testPutAll() {
final var h0 = new Headers();
final var map = new HashMap<String, List<String>>();
map.put("a", null);
assertThrows(NPE, () -> h0.putAll(map));
final var list = new ArrayList<String>();
list.add(null);
assertThrows(NPE, () -> h0.put("a", list));
assertThrows(IAE, () -> h0.put("a", List.of("\n")));
final var h1 = new Headers();
h1.put("a", List.of("1"));
h1.put("b", List.of("2"));
final var h2 = new Headers();
h2.putAll(Map.of("a", List.of("1"), "b", List.of("2")));
assertEquals(h2, h1);
}
@Test
public static void testReplaceAll() {
final var h1 = new Headers();
h1.put("a", List.of("1"));
h1.put("b", List.of("2"));
final var list = new ArrayList<String>();
list.add(null);
assertThrows(NPE, () -> h1.replaceAll((k, v) -> list));
assertThrows(IAE, () -> h1.replaceAll((k, v) -> List.of("\n")));
h1.replaceAll((k, v) -> {
String s = h1.get(k).get(0);
return List.of(s + s);
});
final var h2 = new Headers();
h2.put("a", List.of("11"));
h2.put("b", List.of("22"));
assertEquals(h2, h1);
}
@Test
public static void test1ArgConstructorNull() {
assertThrows(NPE, () -> new Headers(null));
{
final var m = new HashMap<String, List<String>>();
m.put(null, List.of("Bar"));
assertThrows(NPE, () -> new Headers(m));
}
{
final var m = new HashMap<String, List<String>>();
m.put("Foo", null);
assertThrows(NPE, () -> new Headers(m));
}
{
final var m = new HashMap<String, List<String>>();
final var list = new LinkedList<String>();
list.add(null);
m.put("Foo", list);
assertThrows(NPE, () -> new Headers(m));
}
}
@Test
public static void test1ArgConstructor() {
{
var h = new Headers(new Headers());
assertTrue(h.isEmpty());
}
{
var h = new Headers(Map.of("Foo", List.of("Bar")));
assertEquals(h.get("Foo"), List.of("Bar"));
assertEquals(h.size(), 1);
}
{
var h1 = new Headers();
assertTrue(h1.isEmpty());
h1.put("Foo", List.of("Bar")); // modifiable
assertEquals(h1.get("Foo"), List.of("Bar"));
assertEquals(h1.size(), 1);
var h2 = new Headers(h1);
assertEquals(h2.get("Foo"), List.of("Bar"));
assertEquals(h2.size(), 1);
assertEquals(h1, h2);
h1.set("Foo", "Barbar");
assertNotEquals(h1, h2);
}
}
@Test
public static void testMutableHeaders() {
{
var h = new Headers();
h.add("Foo", "Bar");
h.add("Foo", "Bazz");
h.get("Foo").remove(0);
h.remove("Foo");
h.clear();
}
{
var h = new Headers(Map.of("Foo", List.of("Bar")));
h.get("Foo").add("Bazz");
h.get("Foo").remove(0);
h.remove("Foo");
h.clear();
}
}
@Test
public static void testOfNull() {
assertThrows(NPE, () -> Headers.of((String[]) null));
assertThrows(NPE, () -> Headers.of(null, "Bar"));
assertThrows(NPE, () -> Headers.of("Foo", null));
assertThrows(NPE, () -> Headers.of((Map<String, List<String>>) null));
{
final var m = new HashMap<String, List<String>>();
m.put(null, List.of("Bar"));
assertThrows(NPE, () -> Headers.of(m));
}
{
final var m = new HashMap<String, List<String>>();
m.put("Foo", null);
assertThrows(NPE, () -> Headers.of(m));
}
{
final var m = new HashMap<String, List<String>>();
final var list = new LinkedList<String>();
list.add(null);
m.put("Foo", list);
assertThrows(NPE, () -> Headers.of(m));
}
}
@Test
public static void testOf() {
final var h = Headers.of("a", "1", "b", "2");
assertEquals(h.size(), 2);
List.of("a", "b").forEach(n -> assertTrue(h.containsKey(n)));
List.of("1", "2").forEach(v -> assertTrue(h.containsValue(List.of(v))));
}
@Test
public static void testOfEmpty() {
for (var h : List.of(Headers.of(), Headers.of())) {
assertEquals(h.size(), 0);
assertTrue(h.isEmpty());
}
}
@Test
public static void testOfNumberOfElements() {
assertThrows(IAE, () -> Headers.of("a"));
assertThrows(IAE, () -> Headers.of("a", "1", "b"));
}
@Test
public static void testOfMultipleValues() {
final var h = Headers.of("a", "1", "b", "1", "b", "2", "b", "3");
assertEquals(h.size(), 2);
List.of("a", "b").forEach(n -> assertTrue(h.containsKey(n)));
List.of(List.of("1"), List.of("1", "2", "3")).forEach(v -> assertTrue(h.containsValue(v)));
}
static void main(String[] args) {
// String[] args0 = {"-testclass", "HeadersTest", "-methods", "testNullResponseHeaders", "-alwaysrunlisteners", "false"};
// org.testng.TestNG.main(args0);
}
}