208 lines
7.9 KiB
Java
208 lines
7.9 KiB
Java
/*
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* Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4290640 4785473
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* @build package1.Class1 package2.Class2 package1.package3.Class3 Assert
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* @run main/othervm Assert
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* @summary Test the assertion facility
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* @author Mike McCloskey
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* @key randomness
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*/
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import package1.*;
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import package2.*;
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import package1.package3.*;
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import java.io.*;
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import java.util.Random;
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public class Assert {
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private static Class1 testClass1;
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private static Class2 testClass2;
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private static Class3 testClass3;
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private static final boolean debug = false;
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private static Random generator = new Random();
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/**
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* The first invocation of this test starts a loop which exhaustively tests
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* the object tree with all of its different settings.
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* There are 7 test objects in a tree that has 7 different places to set
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* assertions untouched/on/off so this tests 3^7 or 2187 different
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* configurations.
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*
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* This test spawns a new VM for each run because assertions are set on or
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* off at class load time. Once the class is loaded its assertion status
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* does not change.
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*/
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public static void main(String[] args) throws Exception {
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// Switch values: 0=don't touch, 1=off, 2 = on
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int[] switches = new int[7];
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int switchSource = 0;
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if (args.length == 0) { // This is the controller
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// This code is for an exhaustive test
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//while(switchSource < 2187) {
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// int temp = switchSource++;
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// This code is for a weaker but faster test
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for(int x=0; x<100; x++) {
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int temp = generator.nextInt(2187);
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for(int i=0; i<7; i++) {
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switches[i] = temp % 3;
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temp = temp / 3;
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}
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// Spawn new VM and load classes
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String command = System.getProperty("java.home") +
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File.separator + "bin" + File.separator + "java Assert";
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StringBuffer commandString = new StringBuffer(command);
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for(int j=0; j<7; j++)
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commandString.append(" "+switches[j]);
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Process p = null;
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p = Runtime.getRuntime().exec(commandString.toString());
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if (debug) { // See output of test VMs
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BufferedReader blah = new BufferedReader(
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new InputStreamReader(p.getInputStream()));
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String outString = blah.readLine();
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while (outString != null) {
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System.out.println("from BufferedReader:"+outString);
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outString = blah.readLine();
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}
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}
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p.waitFor();
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int result = p.exitValue();
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if (debug) { // See which switch configs failed
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if (result == 0) {
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for(int k=6; k>=0; k--)
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System.out.print(switches[k]);
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System.out.println();
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} else {
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System.out.print("Nonzero Exit: ");
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for(int k=6; k>=0; k--)
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System.out.print(switches[k]);
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System.out.println();
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}
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} else {
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if (result != 0) {
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System.err.print("Nonzero Exit: ");
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for(int k=6; k>=0; k--)
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System.err.print(switches[k]);
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System.err.println();
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throw new RuntimeException("Assertion test failure.");
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}
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}
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}
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} else { // This is a test spawn
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for(int i=0; i<7; i++)
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switches[i] = Integer.parseInt(args[i]);
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SetAssertionSwitches(switches);
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ConstructClassTree();
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TestClassTree(switches);
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}
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}
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/*
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* Activate/Deactivate the assertions in the tree according to the
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* specified switches.
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*/
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private static void SetAssertionSwitches(int[] switches) {
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ClassLoader loader = ClassLoader.getSystemClassLoader();
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if (switches[0] != 0)
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loader.setDefaultAssertionStatus(switches[0]==2);
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if (switches[1] != 0)
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loader.setPackageAssertionStatus("package1", switches[1]==2);
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if (switches[2] != 0)
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loader.setPackageAssertionStatus("package2", switches[2]==2);
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if (switches[3] != 0)
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loader.setPackageAssertionStatus("package1.package3", switches[3]==2);
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if (switches[4] != 0)
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loader.setClassAssertionStatus("package1.Class1", switches[4]==2);
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if (switches[5] != 0)
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loader.setClassAssertionStatus("package2.Class2", switches[5]==2);
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if (switches[6] != 0)
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loader.setClassAssertionStatus("package1.package3.Class3", switches[6]==2);
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}
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/*
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* Verify that the assertions are activated or deactivated as specified
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* by the switches.
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*/
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private static void TestClassTree(int[] switches) {
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// Class1 and anonymous inner class
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boolean assertsOn = (switches[4]==2) ? true : (switches[4]==1) ? false :
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(switches[1]==2) ? true : (switches[1]==1) ? false : (switches[0]==2) ?
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true: false;
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testClass1.testAssert(assertsOn);
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// Class1 inner class Class11
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assertsOn = (switches[4]==2) ? true : (switches[4]==1) ? false :
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(switches[1]==2) ? true : (switches[1]==1) ? false : (switches[0]==2) ?
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true: false;
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Class1.Class11.testAssert(assertsOn);
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// Class2
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assertsOn = (switches[5]==2) ? true : (switches[5]==1) ? false :
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(switches[2]==2) ? true : (switches[2]==1) ? false : (switches[0]==2) ?
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true: false;
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testClass2.testAssert(assertsOn);
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// Class3 and anonymous inner class
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assertsOn = (switches[6]==2) ? true : (switches[6]==1) ? false :
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(switches[3]==2) ? true : (switches[3]==1) ? false :
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(switches[1]==2) ? true : (switches[1]==1) ? false :
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(switches[0]==2) ? true: false;
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testClass3.testAssert(assertsOn);
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// Class3 inner class Class31
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assertsOn = (switches[6]==2) ? true : (switches[6]==1) ? false :
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(switches[3]==2) ? true : (switches[3]==1) ? false :
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(switches[1]==2) ? true : (switches[1]==1) ? false :
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(switches[0]==2) ? true : false;
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Class3.Class31.testAssert(assertsOn);
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}
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/*
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* Create the class tree to be tested. Each test run must reload the classes
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* of the tree since assertion status is determined at class load time.
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*/
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private static void ConstructClassTree() {
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testClass1 = new Class1();
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testClass2 = new Class2();
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testClass3 = new Class3();
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}
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}
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