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

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