russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
119 lines
3.9 KiB
Java
119 lines
3.9 KiB
Java
/*
|
|
* Copyright (c) 2025, 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
|
|
* @summary Test of a lazy map application
|
|
* @enablePreview
|
|
* @run junit DemoMapTest
|
|
*/
|
|
|
|
import org.junit.jupiter.api.*;
|
|
|
|
import java.io.IOException;
|
|
import java.nio.file.Files;
|
|
import java.nio.file.Path;
|
|
import java.util.Map;
|
|
import java.util.Set;
|
|
|
|
import static org.junit.jupiter.api.Assertions.*;
|
|
|
|
final class DemoMapTest {
|
|
|
|
static class OrderController{}
|
|
|
|
// NEW:
|
|
static final Map<String, OrderController> ORDERS
|
|
= Map.ofLazy(
|
|
Set.of("Customers", "Internal", "Testing"),
|
|
_ -> new OrderController()
|
|
);
|
|
|
|
public static OrderController orders() {
|
|
String groupName = Thread.currentThread().getThreadGroup().getName();
|
|
return ORDERS.get(groupName);
|
|
}
|
|
|
|
@Test
|
|
void orderController() throws InterruptedException {
|
|
Thread t = Thread.ofPlatform()
|
|
.group(new ThreadGroup("Customers"))
|
|
.start(() -> {
|
|
String groupName = Thread.currentThread().getThreadGroup().getName();
|
|
OrderController orderController = ORDERS.get(groupName);
|
|
assertNotNull(orderController);
|
|
});
|
|
t.join();
|
|
}
|
|
|
|
private static final Map<Integer, String> SERVER_ERROR_PAGES = Map.ofLazy(
|
|
Set.of(500, 501, 502, 503, 504, 505, 506, 507, 508, 510, 511),
|
|
e -> {
|
|
try {
|
|
return Files.readString(Path.of("server_error_" + e + ".html"));
|
|
} catch (IOException ioe) {
|
|
throw new RuntimeException(ioe);
|
|
}
|
|
});
|
|
|
|
private static String htmlServerErrorPage(int errorCode) {
|
|
return SERVER_ERROR_PAGES.get(errorCode); // Eligible for constant folding
|
|
}
|
|
|
|
@Test
|
|
void page500() {
|
|
String page = htmlServerErrorPage(500); // Constant folds
|
|
assertEquals(DEFAULT_FS_MSG, page);
|
|
}
|
|
|
|
static final String DEFAULT_FS_MSG = """
|
|
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<title>Internal Server Error (500)</title>
|
|
<link rel="stylesheet" href="style.css">
|
|
<script src="script.js"></script>
|
|
</head>
|
|
<body>
|
|
There was a general problem with the server, code 500
|
|
</body>
|
|
</html>
|
|
""";
|
|
|
|
@BeforeAll
|
|
public static void setup() throws IOException {
|
|
var file = Path.of("server_error_500.html");
|
|
if (Files.notExists(file)) {
|
|
Files.createFile(file);
|
|
Files.writeString(file, DEFAULT_FS_MSG);
|
|
}
|
|
assertEquals(DEFAULT_FS_MSG, Files.readString(file));
|
|
}
|
|
|
|
@AfterAll
|
|
public static void cleanUp() throws IOException {
|
|
var file = Path.of("server_error_500.html");
|
|
Files.deleteIfExists(file);
|
|
}
|
|
|
|
}
|