From b4ff25ecc84c77a5641d1d163e83417709ca6817 Mon Sep 17 00:00:00 2001
From: Roger Riggs <rriggs@openjdk.org>
Date: Fri, 29 May 2015 15:17:07 -0400
Subject: [PATCH] 8081536: (process) remove unreliable ScaleTest from
 ProcessHandle tests

Reviewed-by: darcy
---
 .../java/lang/ProcessHandle/ScaleTest.java    | 126 ------------------
 1 file changed, 126 deletions(-)
 delete mode 100644 jdk/test/java/lang/ProcessHandle/ScaleTest.java

diff --git a/jdk/test/java/lang/ProcessHandle/ScaleTest.java b/jdk/test/java/lang/ProcessHandle/ScaleTest.java
deleted file mode 100644
index ffd8e61105e..00000000000
--- a/jdk/test/java/lang/ProcessHandle/ScaleTest.java
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Copyright (c) 2015, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- */
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Iterator;
-import java.util.List;
-import java.util.stream.Collectors;
-import static org.testng.Assert.assertEquals;
-import org.testng.TestNG;
-import org.testng.annotations.DataProvider;
-import org.testng.annotations.Test;
-
-/*
- * @test
- * @summary Scalibities test for checking scability of ProcessHandle
- * @run testng/othervm ScaleTest
- */
-public class ScaleTest {
-    /**
-     * Scale max processes number to 5000.
-     */
-    private final static int MAX_PROCESSES_LIMIT = 1000;
-
-    /**
-     * Create test process number as 1, 2, 5, 10, 20, 50, 100, 200... until it reach
-     * setting process limit.
-     * @return iterator on how many processes can be created.
-     * @throws IOException if can't create processes.
-     */
-    @DataProvider
-    public Iterator<Object[]> processesNumbers() {
-        // Limit spawn processes number less than total limitation.
-
-        List<Object[]> testProcesses = new ArrayList<>();
-        int i = 1, j = 0;
-        while (i <= MAX_PROCESSES_LIMIT) {
-            testProcesses.add(new Object[]{i});
-            if ((j % 3) != 1)
-                i *= 2;
-            else
-                i = i * 25 / 10;
-            j++;
-        }
-        return testProcesses.iterator();
-    }
-
-    /**
-     * Start process by given number, compare created processes with
-     * ProcessHandle.children by order.
-     * @param processNum processes number that will be created
-     */
-    @Test(dataProvider = "processesNumbers")
-    public void scaleProcesses(int processNum) {
-        try {
-            ProcessBuilder pb = new ProcessBuilder();
-            pb.command("sleep", "600");
-            List<ProcessHandle> children = new ArrayList<>();
-
-            int createdProcessNum = 0;
-            for (int i = 0; i < processNum; i++) {
-                try {
-                    children.add(pb.start().toHandle());
-                    createdProcessNum++;
-                } catch (Throwable ignore) {
-                    // Hard to control how many processes we can generate.
-                    // Ignore every error when create new process
-                }
-            }
-            List<ProcessHandle> phs = ProcessHandle.current().allChildren()
-                    .filter(ph -> ph.info().command().orElse("").contains("sleep"))
-                    .collect(Collectors.toList());
-            assertEquals(phs.size(), createdProcessNum, "spawned processes vs allChildren");
-            assertEqualsWithoutOrder(phs, children, ProcessHandle::compareTo, processNum);
-        } finally {
-            ProcessHandle.current().children().forEach(ProcessHandle::destroyForcibly);
-        }
-    }
-
-    /**
-     * Sort two list by given comparator and compare two list without order
-     * @param actual Process handle list1
-     * @param expected Process handle list1
-     * @param comp ProcessHandle comparator for sorting
-     * @param pn number of processes
-     */
-    private void assertEqualsWithoutOrder(List<ProcessHandle> actual,
-            List<ProcessHandle> expected, Comparator<ProcessHandle> comp, int pn) {
-        Collections.sort(actual, comp);
-        Collections.sort(expected, comp);
-
-        assertEquals(actual, expected);
-    }
-
-    // Main can be used to run the tests from the command line with only testng.jar.
-    @SuppressWarnings("raw_types")
-    public static void main(String[] args) {
-        Class<?>[] testclass = {ScaleTest.class};
-        TestNG testng = new TestNG();
-        testng.setTestClasses(testclass);
-        testng.run();
-    }
-}