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.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("rulesets/strings.xml", "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 });
27 }
28
29 private static final String TEST1 =
30 "public class Foo {" + PMD.EOL +
31 " private String bar = new String(\"bar\");" + PMD.EOL +
32 " private String baz = new String();" + PMD.EOL +
33 "}";
34
35 private static final String TEST2 =
36 "public class Foo {" + PMD.EOL +
37 " private String[] bar = new String[5];" + PMD.EOL +
38 "}";
39
40 private static final String TEST3 =
41 "public class Foo {" + PMD.EOL +
42 " void foo() {" + PMD.EOL +
43 " byte[] bytes = new byte[50];" + PMD.EOL +
44 " String bar = new String(bytes, 0, bytes.length);" + PMD.EOL +
45 " }" + PMD.EOL +
46 "}";
47
48 private static final String TEST4 =
49 "public class Foo {" + PMD.EOL +
50 " void foo() {" + PMD.EOL +
51 " byte[] bytes = new byte[50];" + PMD.EOL +
52 " String bar = new String(bytes, 0, bytes.length, \"some-encoding\");" + PMD.EOL +
53 " }" + PMD.EOL +
54 "}";
55
56
57 }