    1   package test.net.sourceforge.pmd.rules.strictexception;
    2
    3   import net.sourceforge.pmd.PMD;
    4   import net.sourceforge.pmd.Rule;
    5   import test.net.sourceforge.pmd.testframework.SimpleAggregatorTst;
    6   import test.net.sourceforge.pmd.testframework.TestDescriptor;
    7
    8   public class ExceptionAsFlowControlTest extends SimpleAggregatorTst {
    9
    10      private Rule rule;
    11
    12      public void setUp() throws Exception {
    13          rule = findRule("strictexception", "ExceptionAsFlowControl");
    14      }
    15
    16      public void testAll() {
    17          runTests(new TestDescriptor[]{
    18              new TestDescriptor(TEST1, "failure case", 1, rule),
    19              new TestDescriptor(TEST2, "normal throw catch", 0, rule),
    20              new TestDescriptor(TEST3, "BUG 996007", 0, rule),
    21              new TestDescriptor(TEST4, "NPE", 0, rule)
    22          });
    23      }
    24
    25      private static final String TEST1 =
    26              "public class Foo {" + PMD.EOL +
    27              " void bar() {" + PMD.EOL +
    28              "  try {" + PMD.EOL +
    29              "   try {" + PMD.EOL +
    30              "   } catch (Exception e) {" + PMD.EOL +
    31              "    throw new WrapperException(e);" + PMD.EOL +
    32              "    // this is essentially a GOTO to the WrapperException catch block" + PMD.EOL +
    33              "   }" + PMD.EOL +
    34              "  } catch (WrapperException e) {" + PMD.EOL +
    35              "   // do some more stuff " + PMD.EOL +
    36              "  }" + PMD.EOL +
    37              " }" + PMD.EOL +
    38              "}";
    39
    40      private static final String TEST2 =
    41              "public class Foo {" + PMD.EOL +
    42              " void bar() {" + PMD.EOL +
    43              "  try {} catch (Exception e) {}" + PMD.EOL +
    44              " }" + PMD.EOL +
    45              "}";
    46
    47      private static final String TEST3 =
    48              "public class Foo {" + PMD.EOL +
    49              " void bar() {" + PMD.EOL +
    50              "  try {} catch (IOException e) {" + PMD.EOL +
    51              "  if (foo!=null) " + PMD.EOL +
    52              "       throw new IOException(foo.getResponseMessage()); " + PMD.EOL +
    53              "  else  " + PMD.EOL +
    54              "       throw e; " + PMD.EOL +
    55              "  " + PMD.EOL +
    56              "  }" + PMD.EOL +
    57              " }" + PMD.EOL +
    58              "}";
    59
    60      private static final String TEST4 =
    61              "public class Foo {" + PMD.EOL +
    62              " void bar() {" + PMD.EOL +
    63              "  switch(foo) {" + PMD.EOL +
    64              "   default:" + PMD.EOL +
    65              "    throw new IllegalArgumentException();" + PMD.EOL +
    66              "  }" + PMD.EOL +
    67              " }" + PMD.EOL +
    68              "}";
    69
    70  }