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  }