1 /*** 2 * BSD-style license; for more info see http://pmd.sourceforge.net/license.html 3 */ 4 package test.net.sourceforge.pmd.rules.strings; 5 6 import net.sourceforge.pmd.PMD; 7 import net.sourceforge.pmd.Rule; 8 import net.sourceforge.pmd.RuleSetNotFoundException; 9 import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst; 10 import test.net.sourceforge.pmd.testframework.TestDescriptor; 11 12 public class StringInstantiationRuleTest extends SimpleAggregatorTst { 13 14 private Rule rule; 15 16 public void setUp() throws RuleSetNotFoundException { 17 rule = findRule("strings", "StringInstantiation"); 18 } 19 20 public void testAll() { 21 runTests(new TestDescriptor[]{ 22 new TestDescriptor(TEST1, "new 'new String's", 2, rule), 23 new TestDescriptor(TEST2, "new String array", 0, rule), 24 new TestDescriptor(TEST3, "using multiple parameter constructor", 0, rule), 25 new TestDescriptor(TEST4, "using 4 parameter constructor", 0, rule), 26 new TestDescriptor(TEST5, "byte array constructor is ok", 0, rule) 27 }); 28 } 29 30 private static final String TEST1 = 31 "public class Foo {" + PMD.EOL + 32 " private String bar = new String(\"bar\");" + PMD.EOL + 33 " private String baz = new String();" + PMD.EOL + 34 "}"; 35 36 private static final String TEST2 = 37 "public class Foo {" + PMD.EOL + 38 " private String[] bar = new String[5];" + PMD.EOL + 39 "}"; 40 41 private static final String TEST3 = 42 "public class Foo {" + PMD.EOL + 43 " void foo() {" + PMD.EOL + 44 " byte[] bytes = new byte[50];" + PMD.EOL + 45 " String bar = new String(bytes, 0, bytes.length);" + PMD.EOL + 46 " }" + PMD.EOL + 47 "}"; 48 49 private static final String TEST4 = 50 "public class Foo {" + PMD.EOL + 51 " void foo() {" + PMD.EOL + 52 " byte[] bytes = new byte[50];" + PMD.EOL + 53 " String bar = new String(bytes, 0, bytes.length, \"some-encoding\");" + PMD.EOL + 54 " }" + PMD.EOL + 55 "}"; 56 57 private static final String TEST5 = 58 "public class Foo {" + PMD.EOL + 59 " void foo() {" + PMD.EOL + 60 " byte[] bytes = new byte[50];" + PMD.EOL + 61 " String bar = new String(bytes);" + PMD.EOL + 62 " }" + PMD.EOL + 63 "}"; 64 65 66 }