1 package test.net.sourceforge.pmd.rules; 2 3 import net.sourceforge.pmd.Rule; 4 import net.sourceforge.pmd.RuleSetNotFoundException; 5 import net.sourceforge.pmd.PMD; 6 import test.net.sourceforge.pmd.testframework.TestDescriptor; 7 import test.net.sourceforge.pmd.testframework.RuleTst; 8 import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst; 9 10 public class BadComparisonRuleTest extends SimpleAggregatorTst { 11 12 private Rule rule; 13 14 public void setUp() throws RuleSetNotFoundException { 15 rule = findRule("rulesets/design.xml", "BadComparisonRule"); 16 } 17 18 public void testAll() { 19 runTests(new TestDescriptor[] { 20 new TestDescriptor(TEST1, "comparison to Double.NaN", 1, rule), 21 new TestDescriptor(TEST2, "ok equality comparison", 0, rule), 22 new TestDescriptor(TEST3, "comparison to Float.NaN", 1, rule), 23 }); 24 } 25 26 private static final String TEST1 = 27 "public class Foo {" + PMD.EOL + 28 " boolean x = (y == Double.NaN);" + PMD.EOL + 29 "}"; 30 31 private static final String TEST2 = 32 "public class Foo {" + PMD.EOL + 33 " boolean x = (y == z);" + PMD.EOL + 34 "}"; 35 36 private static final String TEST3 = 37 "public class Foo {" + PMD.EOL + 38 " boolean x = (y == Float.NaN);" + PMD.EOL + 39 "}"; 40 41 }