1   package test.net.sourceforge.pmd.rules.optimization;
2   
3   import net.sourceforge.pmd.PMD;
4   import net.sourceforge.pmd.Rule;
5   import net.sourceforge.pmd.RuleSetNotFoundException;
6   import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
7   import test.net.sourceforge.pmd.testframework.TestDescriptor;
8   
9   public class UseStringBufferForStringAppendsTest extends SimpleAggregatorTst {
10      private Rule rule;
11  
12      public void setUp() throws RuleSetNotFoundException {
13          rule = findRule("optimizations", "UseStringBufferForStringAppends");
14      }
15  
16      public void testAll() {
17         runTests(new TestDescriptor[] {
18                 new TestDescriptor(TEST1, "failure case", 1, rule),
19                 new TestDescriptor(TEST2, "startsWith multiple chars", 0, rule),
20         });
21      }
22  
23      private static final String TEST1 =
24          "public class Foo {" + PMD.EOL +
25          " public void bar() {" + PMD.EOL +
26          "  String x;" + PMD.EOL +
27          "  x = \"foo\";" + PMD.EOL +
28          "  x += \"bar\";" + PMD.EOL +
29          " }" + PMD.EOL +
30          "}";
31  
32      private static final String TEST2 =
33          "public class Foo {" + PMD.EOL +
34          " public boolean bar(Fiddle x) {" + PMD.EOL +
35          "  return x.startsWith(\"abc\");" + PMD.EOL +
36          " }" + PMD.EOL +
37          "}";
38  
39  }