1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/annotations/repeatingAnnotations/combo/TestCaseGenerator.java Thu Feb 07 20:47:06 2013 -0800
1.3 @@ -0,0 +1,191 @@
1.4 +/*
1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +import java.util.ArrayList;
1.28 +import java.util.HashSet;
1.29 +import java.util.List;
1.30 +import java.util.Random;
1.31 +
1.32 +/* System properties:
1.33 + * NumberOfTests, TestMode, and TestCaseNum are mutually exclusive
1.34 + * TestSeed will be used only with NumberOfTests or TestMode, otherwise it will be ignored
1.35 + * -DNumberOfTests=[0 to 2^20+2^11+1]
1.36 + * -DTestMode=[FULL|DEFAULT]
1.37 + * -DTestSeed=[seedNumber]
1.38 + * -DTestCaseNum=[0 to 2^20+2^11+1]
1.39 + */
1.40 +public class TestCaseGenerator {
1.41 + // Total number of tests to be run
1.42 + int numberOfTests = -1;
1.43 + //Single test case
1.44 + int testCaseNum = -1;
1.45 + //Seed used to generate test cases
1.46 + int testSeed;
1.47 +
1.48 + int maxTestNum;
1.49 + Random randNum;
1.50 +
1.51 + // used in getNextTestCase
1.52 + int curTestNum;
1.53 + int testCompletedCount;
1.54 + HashSet<Integer> uniqueTestSet;
1.55 +
1.56 + static final int DEFAULT_TEST_COUNT = 250;
1.57 +
1.58 + /*
1.59 + * Get parameter values from command line to set numberOfTests, testCaseNum,
1.60 + * and testSeed
1.61 + */
1.62 + public TestCaseGenerator(int maxTestNum) {
1.63 + this.maxTestNum = maxTestNum;
1.64 +
1.65 + // Set values for variables based on input from command line
1.66 +
1.67 + // TestMode system property
1.68 + String testModeVal = System.getProperty("TestMode");
1.69 + if(testModeVal != null && !testModeVal.isEmpty()) {
1.70 + switch (testModeVal.toUpperCase()) {
1.71 + case "FULL":
1.72 + numberOfTests = maxTestNum;
1.73 + break;
1.74 + case "DEFAULT":
1.75 + numberOfTests = DEFAULT_TEST_COUNT;
1.76 + break;
1.77 + default:
1.78 + System.out.println("Invalid property value " + testModeVal +
1.79 + " for numberOfTests. Possible range: 0 to " +
1.80 + maxTestNum + ". Ignoring property");
1.81 + numberOfTests = -1;
1.82 + }
1.83 + }
1.84 +
1.85 + // NumberOfTests system property
1.86 + String numTestsStr = System.getProperty("NumberOfTests");
1.87 + if(numTestsStr != null && !numTestsStr.isEmpty()) {
1.88 + int numTests = -1;
1.89 + try {
1.90 + numTests = Integer.parseInt(numTestsStr);
1.91 + if (numTests < 0 || numTests > maxTestNum) {
1.92 + throw new NumberFormatException();
1.93 + }
1.94 + } catch(NumberFormatException nfe) {
1.95 + System.out.println("Invalid NumberOfTests property value " +
1.96 + numTestsStr + ". Possible range: 0 to " + maxTestNum +
1.97 + "Reset to default: " + DEFAULT_TEST_COUNT);
1.98 + numTests = DEFAULT_TEST_COUNT;
1.99 + }
1.100 +
1.101 + if (numberOfTests != -1 && numTests != -1) {
1.102 + System.out.println("TestMode and NumberOfTests cannot be set together. Ignoring TestMode.");
1.103 + }
1.104 + numberOfTests = numTests;
1.105 + }
1.106 +
1.107 + // TestSeed system property
1.108 + String seedVal = System.getProperty("TestSeed");
1.109 + if(seedVal != null && !seedVal.isEmpty()) {
1.110 + try {
1.111 + testSeed = Integer.parseInt(seedVal);
1.112 + } catch(NumberFormatException nfe) {
1.113 + Random srand = new Random();
1.114 + testSeed = srand.nextInt();
1.115 + }
1.116 + } else {
1.117 + Random srand = new Random();
1.118 + testSeed = srand.nextInt();
1.119 + }
1.120 +
1.121 + // TestCaseNum system property
1.122 + String testNumStr = System.getProperty("TestCaseNum");
1.123 + if(testNumStr != null && !testNumStr.isEmpty()) {
1.124 + try {
1.125 + testCaseNum = Integer.parseInt(testNumStr);
1.126 + if (testCaseNum < 0 || testCaseNum > maxTestNum) {
1.127 + throw new NumberFormatException();
1.128 + }
1.129 + } catch(NumberFormatException nfe) {
1.130 + System.out.println("Invalid TestCaseNumber property value " +
1.131 + testNumStr + ". Possible value in range: 0 to " +
1.132 + maxTestNum + ". Defaulting to last test case.");
1.133 + testCaseNum = maxTestNum;
1.134 + }
1.135 +
1.136 + if ( numberOfTests != -1) {
1.137 + System.out.println("TestMode or NumberOfTests cannot be set along with TestCaseNum. Ignoring TestCaseNumber.");
1.138 + testCaseNum = -1;
1.139 + }
1.140 + }
1.141 +
1.142 + if (numberOfTests == -1 && testCaseNum == -1) {
1.143 + numberOfTests = DEFAULT_TEST_COUNT;
1.144 + System.out.println("Setting TestMode to default, will run " + numberOfTests + "tests.");
1.145 + }
1.146 +
1.147 + /*
1.148 + * By this point in code, we will have:
1.149 + * - testSeed: as per TestSeed or a Random one
1.150 + * - numberOfTests to run or -1 to denote not set
1.151 + * - testCaseNum to run or -1 to denote not set
1.152 + */
1.153 +
1.154 + /*
1.155 + * If numberOfTests = maxTestNum, all tests are to be run,
1.156 + * so no randNum will be required
1.157 + */
1.158 + if (numberOfTests != -1 && numberOfTests < maxTestNum) {
1.159 + System.out.println("Seed = " + testSeed);
1.160 + randNum = new Random(testSeed);
1.161 + uniqueTestSet = new HashSet<>();
1.162 + }
1.163 +
1.164 + testCompletedCount = 0;
1.165 + // to be used to keep sequential count when running all tests
1.166 + curTestNum = 0;
1.167 + }
1.168 +
1.169 + /*
1.170 + * returns next test case number to run
1.171 + * returns -1 when there are no more tests to run
1.172 + */
1.173 + public int getNextTestCase() {
1.174 + if (testCaseNum != -1) {
1.175 + int nextTC = testCaseNum;
1.176 + testCaseNum = -1;
1.177 + return nextTC;
1.178 + }
1.179 + if (++testCompletedCount <= numberOfTests) {
1.180 + if (numberOfTests == maxTestNum) {
1.181 + //all the tests need to be run, so just return
1.182 + //next test case sequentially
1.183 + return curTestNum++;
1.184 + } else {
1.185 + int nextTC = -1;
1.186 + // Ensuring unique test are run
1.187 + while(!uniqueTestSet.add(nextTC = randNum.nextInt(maxTestNum))) {
1.188 + }
1.189 + return nextTC;
1.190 + }
1.191 + }
1.192 + return -1;
1.193 + }
1.194 +}
