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1 /* |
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2 * Copyright 2000-2002 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 4290640 4785473 |
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27 * @run shell/timeout=300 Assert.sh |
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28 * @summary Test the assertion facility |
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29 * @author Mike McCloskey |
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30 */ |
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31 |
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32 import package1.*; |
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33 import package2.*; |
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34 import package1.package3.*; |
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35 import java.io.*; |
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36 import java.util.Random; |
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37 |
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38 public class Assert { |
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39 |
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40 private static Class1 testClass1; |
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41 private static Class2 testClass2; |
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42 private static Class3 testClass3; |
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43 private static final boolean debug = false; |
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44 private static Random generator = new Random(); |
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45 |
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46 /** |
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47 * The first invocation of this test starts a loop which exhaustively tests |
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48 * the object tree with all of its different settings. |
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49 * There are 7 test objects in a tree that has 7 different places to set |
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50 * assertions untouched/on/off so this tests 3^7 or 2187 different |
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51 * configurations. |
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52 * |
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53 * This test spawns a new VM for each run because assertions are set on or |
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54 * off at class load time. Once the class is loaded its assertion status |
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55 * does not change. |
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56 */ |
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57 public static void main(String[] args) throws Exception { |
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58 |
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59 // Switch values: 0=don't touch, 1=off, 2 = on |
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60 int[] switches = new int[7]; |
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61 |
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62 int switchSource = 0; |
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63 if (args.length == 0) { // This is master version |
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64 |
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65 // This code is for an exhaustive test |
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66 //while(switchSource < 2187) { |
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67 // int temp = switchSource++; |
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68 |
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69 // This code is for a weaker but faster test |
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70 for(int x=0; x<100; x++) { |
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71 int temp = generator.nextInt(2187); |
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72 for(int i=0; i<7; i++) { |
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73 switches[i] = temp % 3; |
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74 temp = temp / 3; |
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75 } |
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76 |
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77 // Spawn new VM and load classes |
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78 String command = System.getProperty("java.home") + |
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79 File.separator + "bin" + File.separator + "java Assert"; |
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80 |
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81 StringBuffer commandString = new StringBuffer(command); |
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82 for(int j=0; j<7; j++) |
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83 commandString.append(" "+switches[j]); |
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84 |
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85 Process p = null; |
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86 p = Runtime.getRuntime().exec(commandString.toString()); |
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87 |
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88 if (debug) { // See output of test VMs |
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89 BufferedReader blah = new BufferedReader( |
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90 new InputStreamReader(p.getInputStream())); |
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91 String outString = blah.readLine(); |
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92 while (outString != null) { |
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93 System.out.println("from slave:"+outString); |
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94 outString = blah.readLine(); |
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95 } |
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96 } |
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97 |
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98 p.waitFor(); |
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99 int result = p.exitValue(); |
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100 if (debug) { // See which switch configs failed |
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101 if (result == 0) { |
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102 for(int k=6; k>=0; k--) |
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103 System.out.print(switches[k]); |
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104 System.out.println(); |
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105 } else { |
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106 System.out.print("Nonzero Exit: "); |
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107 for(int k=6; k>=0; k--) |
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108 System.out.print(switches[k]); |
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109 System.out.println(); |
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110 } |
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111 } else { |
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112 if (result != 0) { |
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113 System.err.print("Nonzero Exit: "); |
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114 for(int k=6; k>=0; k--) |
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115 System.err.print(switches[k]); |
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116 System.err.println(); |
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117 throw new RuntimeException("Assertion test failure."); |
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118 } |
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119 } |
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120 } |
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121 } else { // This is a test spawn |
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122 for(int i=0; i<7; i++) |
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123 switches[i] = Integer.parseInt(args[i]); |
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124 |
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125 SetAssertionSwitches(switches); |
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126 ConstructClassTree(); |
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127 TestClassTree(switches); |
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128 } |
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129 } |
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130 |
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131 /* |
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132 * Activate/Deactivate the assertions in the tree according to the |
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133 * specified switches. |
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134 */ |
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135 private static void SetAssertionSwitches(int[] switches) { |
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136 ClassLoader loader = ClassLoader.getSystemClassLoader(); |
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137 |
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138 if (switches[0] != 0) |
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139 loader.setDefaultAssertionStatus(switches[0]==2); |
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140 if (switches[1] != 0) |
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141 loader.setPackageAssertionStatus("package1", switches[1]==2); |
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142 if (switches[2] != 0) |
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143 loader.setPackageAssertionStatus("package2", switches[2]==2); |
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144 if (switches[3] != 0) |
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145 loader.setPackageAssertionStatus("package1.package3", switches[3]==2); |
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146 if (switches[4] != 0) |
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147 loader.setClassAssertionStatus("package1.Class1", switches[4]==2); |
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148 if (switches[5] != 0) |
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149 loader.setClassAssertionStatus("package2.Class2", switches[5]==2); |
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150 if (switches[6] != 0) |
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151 loader.setClassAssertionStatus("package1.package3.Class3", switches[6]==2); |
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152 } |
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153 |
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154 /* |
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155 * Verify that the assertions are activated or deactivated as specified |
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156 * by the switches. |
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157 */ |
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158 private static void TestClassTree(int[] switches) { |
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159 |
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160 // Class1 and anonymous inner class |
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161 boolean assertsOn = (switches[4]==2) ? true : (switches[4]==1) ? false : |
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162 (switches[1]==2) ? true : (switches[1]==1) ? false : (switches[0]==2) ? |
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163 true: false; |
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164 testClass1.testAssert(assertsOn); |
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165 |
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166 // Class1 inner class Class11 |
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167 assertsOn = (switches[4]==2) ? true : (switches[4]==1) ? false : |
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168 (switches[1]==2) ? true : (switches[1]==1) ? false : (switches[0]==2) ? |
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169 true: false; |
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170 Class1.Class11.testAssert(assertsOn); |
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171 |
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172 // Class2 |
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173 assertsOn = (switches[5]==2) ? true : (switches[5]==1) ? false : |
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174 (switches[2]==2) ? true : (switches[2]==1) ? false : (switches[0]==2) ? |
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175 true: false; |
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176 testClass2.testAssert(assertsOn); |
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177 |
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178 // Class3 and anonymous inner class |
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179 assertsOn = (switches[6]==2) ? true : (switches[6]==1) ? false : |
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180 (switches[3]==2) ? true : (switches[3]==1) ? false : |
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181 (switches[1]==2) ? true : (switches[1]==1) ? false : |
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182 (switches[0]==2) ? true: false; |
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183 testClass3.testAssert(assertsOn); |
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184 |
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185 // Class3 inner class Class31 |
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186 assertsOn = (switches[6]==2) ? true : (switches[6]==1) ? false : |
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187 (switches[3]==2) ? true : (switches[3]==1) ? false : |
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188 (switches[1]==2) ? true : (switches[1]==1) ? false : |
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189 (switches[0]==2) ? true : false; |
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190 Class3.Class31.testAssert(assertsOn); |
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191 |
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192 } |
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193 |
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194 /* |
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195 * Create the class tree to be tested. Each test run must reload the classes |
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196 * of the tree since assertion status is determined at class load time. |
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197 */ |
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198 private static void ConstructClassTree() { |
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199 testClass1 = new Class1(); |
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200 testClass2 = new Class2(); |
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201 testClass3 = new Class3(); |
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202 } |
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203 |
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204 |
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205 } |