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1 /*** 2 * BSD-style license; for more info see http://pmd.sourceforge.net/license.html 3 */ 4 package test.net.sourceforge.pmd.rules; 5 6 import net.sourceforge.pmd.PMD; 7 import net.sourceforge.pmd.rules.DoubleCheckedLockingRule; 8 import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst; 9 import test.net.sourceforge.pmd.testframework.TestDescriptor; 10 11 public class DoubleCheckedLockingRuleTest extends SimpleAggregatorTst { 12 13 public void testAll() { 14 runTests(new TestDescriptor[] { 15 new TestDescriptor(TEST1, "simple ok", 0, new DoubleCheckedLockingRule()), 16 new TestDescriptor(TEST2, "simple failure", 1, new DoubleCheckedLockingRule()), 17 new TestDescriptor(TEST3, "skip interfaces", 0, new DoubleCheckedLockingRule()), 18 }); 19 } 20 21 private static final String TEST1 = 22 "public class DoubleCheckedLockingRule1 {" + PMD.EOL + 23 " public void foo() {}" + PMD.EOL + 24 "}"; 25 26 private static final String TEST2 = 27 "public class DoubleCheckedLockingRule2 {" + PMD.EOL + 28 " Object baz;" + PMD.EOL + 29 " Object bar() {" + PMD.EOL + 30 " if(baz == null) { //baz may be non-null yet not fully created" + PMD.EOL + 31 " synchronized(this){" + PMD.EOL + 32 " if(baz == null){" + PMD.EOL + 33 " baz = new Object();" + PMD.EOL + 34 " }" + PMD.EOL + 35 " }" + PMD.EOL + 36 " }" + PMD.EOL + 37 " return baz;" + PMD.EOL + 38 " }" + PMD.EOL + 39 "}"; 40 41 private static final String TEST3 = 42 "public interface DoubleCheckedLockingRule3 {" + PMD.EOL + 43 " void foo();" + PMD.EOL + 44 "}"; 45 }

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