author | goetz |
Tue, 14 Jun 2016 10:44:59 +0200 | |
changeset 39056 | d99e63b6d962 |
parent 27763 | 1fba965925e8 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009, 2016, 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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@key headful |
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@bug 6774258 |
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@summary api/java_awt/Component/index.html#PaintUpdate fails randomly |
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@author dmitry.cherepanov@...: area=awt.painting |
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@run main NoUpdateUponShow |
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*/ |
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/** |
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* NoUpdateUponShow.java |
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* |
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* summary: System-level painting operations shouldn't make call to update() |
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*/ |
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import java.awt.*; |
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public class NoUpdateUponShow |
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{ |
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static volatile boolean wasUpdate = false; |
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private static void init() |
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{ |
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//*** Create instructions for the user here *** |
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String[] instructions = |
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{ |
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"This is an AUTOMATIC test, simply wait until it is done.", |
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"The result (passed or failed) will be shown in the", |
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"message window below." |
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}; |
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Sysout.createDialog( ); |
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Sysout.printInstructions( instructions ); |
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// Create the frame and the button |
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Frame f = new Frame(); |
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f.setBounds(100, 100, 200, 200); |
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f.setLayout(new FlowLayout()); |
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f.add(new Button() { |
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@Override |
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public void update(Graphics g) { |
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wasUpdate = true; |
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super.update(g); |
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} |
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}); |
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f.setVisible(true); |
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try { |
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Robot robot = new Robot(); |
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robot.waitForIdle(); |
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}catch(Exception ex) { |
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ex.printStackTrace(); |
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throw new RuntimeException("Unexpected failure"); |
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} |
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if (wasUpdate) { |
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fail(" Unexpected update. "); |
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} else { |
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pass(); |
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} |
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}//End init() |
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/***************************************************** |
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* Standard Test Machinery Section |
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* DO NOT modify anything in this section -- it's a |
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* standard chunk of code which has all of the |
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* synchronisation necessary for the test harness. |
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* By keeping it the same in all tests, it is easier |
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* to read and understand someone else's test, as |
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* well as insuring that all tests behave correctly |
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* with the test harness. |
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* There is a section following this for test- |
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* classes |
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******************************************************/ |
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private static boolean theTestPassed = false; |
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private static boolean testGeneratedInterrupt = false; |
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private static String failureMessage = ""; |
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private static Thread mainThread = null; |
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private static int sleepTime = 300000; |
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// Not sure about what happens if multiple of this test are |
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// instantiated in the same VM. Being static (and using |
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// static vars), it aint gonna work. Not worrying about |
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// it for now. |
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public static void main( String args[] ) throws InterruptedException |
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{ |
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mainThread = Thread.currentThread(); |
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try |
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{ |
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init(); |
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} |
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catch( TestPassedException e ) |
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{ |
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//The test passed, so just return from main and harness will |
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// interepret this return as a pass |
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return; |
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} |
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//At this point, neither test pass nor test fail has been |
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// called -- either would have thrown an exception and ended the |
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127 |
// test, so we know we have multiple threads. |
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128 |
|
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129 |
//Test involves other threads, so sleep and wait for them to |
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// called pass() or fail() |
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131 |
try |
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132 |
{ |
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Thread.sleep( sleepTime ); |
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134 |
//Timed out, so fail the test |
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throw new RuntimeException( "Timed out after " + sleepTime/1000 + " seconds" ); |
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} |
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catch (InterruptedException e) |
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138 |
{ |
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139 |
//The test harness may have interrupted the test. If so, rethrow the exception |
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140 |
// so that the harness gets it and deals with it. |
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141 |
if( ! testGeneratedInterrupt ) throw e; |
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142 |
|
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143 |
//reset flag in case hit this code more than once for some reason (just safety) |
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144 |
testGeneratedInterrupt = false; |
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145 |
|
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146 |
if ( theTestPassed == false ) |
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147 |
{ |
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throw new RuntimeException( failureMessage ); |
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149 |
} |
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150 |
} |
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151 |
|
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}//main |
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153 |
|
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154 |
public static synchronized void setTimeoutTo( int seconds ) |
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155 |
{ |
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sleepTime = seconds * 1000; |
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157 |
} |
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158 |
|
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159 |
public static synchronized void pass() |
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160 |
{ |
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161 |
Sysout.println( "The test passed." ); |
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162 |
Sysout.println( "The test is over, hit Ctl-C to stop Java VM" ); |
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163 |
//first check if this is executing in main thread |
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164 |
if ( mainThread == Thread.currentThread() ) |
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165 |
{ |
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166 |
//Still in the main thread, so set the flag just for kicks, |
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167 |
// and throw a test passed exception which will be caught |
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168 |
// and end the test. |
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169 |
theTestPassed = true; |
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170 |
throw new TestPassedException(); |
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171 |
} |
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172 |
theTestPassed = true; |
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173 |
testGeneratedInterrupt = true; |
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174 |
mainThread.interrupt(); |
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175 |
}//pass() |
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176 |
|
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177 |
public static synchronized void fail() |
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178 |
{ |
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179 |
//test writer didn't specify why test failed, so give generic |
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180 |
fail( "it just plain failed! :-)" ); |
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181 |
} |
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182 |
|
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183 |
public static synchronized void fail( String whyFailed ) |
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184 |
{ |
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185 |
Sysout.println( "The test failed: " + whyFailed ); |
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186 |
Sysout.println( "The test is over, hit Ctl-C to stop Java VM" ); |
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187 |
//check if this called from main thread |
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188 |
if ( mainThread == Thread.currentThread() ) |
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189 |
{ |
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190 |
//If main thread, fail now 'cause not sleeping |
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191 |
throw new RuntimeException( whyFailed ); |
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192 |
} |
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193 |
theTestPassed = false; |
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194 |
testGeneratedInterrupt = true; |
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195 |
failureMessage = whyFailed; |
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196 |
mainThread.interrupt(); |
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197 |
}//fail() |
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198 |
|
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199 |
}// class ValidBounds |
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200 |
|
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201 |
//This exception is used to exit from any level of call nesting |
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202 |
// when it's determined that the test has passed, and immediately |
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203 |
// end the test. |
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204 |
class TestPassedException extends RuntimeException |
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205 |
{ |
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206 |
} |
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207 |
|
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208 |
//*********** End Standard Test Machinery Section ********** |
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209 |
|
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210 |
|
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211 |
//************ Begin classes defined for the test **************** |
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212 |
|
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213 |
// if want to make listeners, here is the recommended place for them, then instantiate |
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214 |
// them in init() |
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215 |
|
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216 |
/* Example of a class which may be written as part of a test |
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217 |
class NewClass implements anInterface |
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218 |
{ |
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219 |
static int newVar = 0; |
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220 |
|
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221 |
public void eventDispatched(AWTEvent e) |
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222 |
{ |
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223 |
//Counting events to see if we get enough |
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224 |
eventCount++; |
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225 |
|
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226 |
if( eventCount == 20 ) |
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227 |
{ |
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228 |
//got enough events, so pass |
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229 |
|
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230 |
ValidBounds.pass(); |
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231 |
} |
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else if( tries == 20 ) |
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233 |
{ |
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234 |
//tried too many times without getting enough events so fail |
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235 |
|
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236 |
ValidBounds.fail(); |
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237 |
} |
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238 |
|
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}// eventDispatched() |
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240 |
|
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}// NewClass class |
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242 |
|
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243 |
*/ |
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244 |
|
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245 |
|
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246 |
//************** End classes defined for the test ******************* |
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247 |
|
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/**************************************************** |
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Standard Test Machinery |
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DO NOT modify anything below -- it's a standard |
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chunk of code whose purpose is to make user |
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interaction uniform, and thereby make it simpler |
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to read and understand someone else's test. |
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****************************************************/ |
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|
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/** |
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This is part of the standard test machinery. |
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It creates a dialog (with the instructions), and is the interface |
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for sending text messages to the user. |
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To print the instructions, send an array of strings to Sysout.createDialog |
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WithInstructions method. Put one line of instructions per array entry. |
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To display a message for the tester to see, simply call Sysout.println |
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with the string to be displayed. |
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This mimics System.out.println but works within the test harness as well |
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as standalone. |
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*/ |
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class Sysout |
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{ |
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private static TestDialog dialog; |
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|
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public static void createDialogWithInstructions( String[] instructions ) |
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{ |
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dialog = new TestDialog( new Frame(), "Instructions" ); |
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dialog.printInstructions( instructions ); |
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dialog.setVisible(true); |
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println( "Any messages for the tester will display here." ); |
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} |
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|
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public static void createDialog( ) |
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{ |
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dialog = new TestDialog( new Frame(), "Instructions" ); |
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String[] defInstr = { "Instructions will appear here. ", "" } ; |
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dialog.printInstructions( defInstr ); |
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dialog.setVisible(true); |
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println( "Any messages for the tester will display here." ); |
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} |
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|
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public static void printInstructions( String[] instructions ) |
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{ |
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dialog.printInstructions( instructions ); |
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} |
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|
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public static void println( String messageIn ) |
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{ |
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dialog.displayMessage( messageIn ); |
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System.out.println(messageIn); |
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} |
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}// Sysout class |
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|
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/** |
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This is part of the standard test machinery. It provides a place for the |
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test instructions to be displayed, and a place for interactive messages |
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to the user to be displayed. |
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To have the test instructions displayed, see Sysout. |
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To have a message to the user be displayed, see Sysout. |
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Do not call anything in this dialog directly. |
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*/ |
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class TestDialog extends Dialog |
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{ |
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|
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TextArea instructionsText; |
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TextArea messageText; |
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int maxStringLength = 80; |
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|
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//DO NOT call this directly, go through Sysout |
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public TestDialog( Frame frame, String name ) |
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{ |
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super( frame, name ); |
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int scrollBoth = TextArea.SCROLLBARS_BOTH; |
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instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth ); |
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add( "North", instructionsText ); |
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|
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messageText = new TextArea( "", 5, maxStringLength, scrollBoth ); |
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add("Center", messageText); |
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|
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pack(); |
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|
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setVisible(true); |
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}// TestDialog() |
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|
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//DO NOT call this directly, go through Sysout |
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public void printInstructions( String[] instructions ) |
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{ |
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//Clear out any current instructions |
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instructionsText.setText( "" ); |
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|
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//Go down array of instruction strings |
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|
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String printStr, remainingStr; |
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for( int i=0; i < instructions.length; i++ ) |
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{ |
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//chop up each into pieces maxSringLength long |
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remainingStr = instructions[ i ]; |
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while( remainingStr.length() > 0 ) |
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{ |
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//if longer than max then chop off first max chars to print |
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if( remainingStr.length() >= maxStringLength ) |
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{ |
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//Try to chop on a word boundary |
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int posOfSpace = remainingStr. |
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lastIndexOf( ' ', maxStringLength - 1 ); |
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|
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if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1; |
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|
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printStr = remainingStr.substring( 0, posOfSpace + 1 ); |
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remainingStr = remainingStr.substring( posOfSpace + 1 ); |
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} |
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//else just print |
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else |
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{ |
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printStr = remainingStr; |
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remainingStr = ""; |
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} |
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instructionsText.append( printStr + "\n" ); |
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|
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}// while |
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}// for |
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}//printInstructions() |
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//DO NOT call this directly, go through Sysout |
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public void displayMessage( String messageIn ) |
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{ |
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messageText.append( messageIn + "\n" ); |
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System.out.println(messageIn); |
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} |
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}// TestDialog class |