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*
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* version 2 for more details (a copy is included in the LICENSE file that
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
* @test
* @bug 7005371
* @summary Multicatch: assertion error while generating LocalVariableTypeTable attribute
* @compile -g SubTest.java
* @run main T7005371
*/
import com.sun.tools.classfile.Attribute;
import com.sun.tools.classfile.ClassFile;
import com.sun.tools.classfile.Code_attribute;
import com.sun.tools.classfile.LocalVariableTypeTable_attribute;
import com.sun.tools.classfile.Method;
import java.io.*;
public class T7005371 {
static final String SUBTEST_NAME = SubTest.class.getName() + ".class";
static final String TEST_METHOD_NAME = "test";
static final int LVT_LENGTH = 1;
static final String LVT_SIG_TYPE = "Ljava/util/List<Ljava/lang/String;>;";
public static void main(String... args) throws Exception {
new T7005371().run();
}
public void run() throws Exception {
String workDir = System.getProperty("test.classes");
System.out.println(workDir);
File compiledTest = new File(workDir, SUBTEST_NAME);
verifyLocalVariableTypeTableAttr(compiledTest);
}
void verifyLocalVariableTypeTableAttr(File f) {
System.err.println("verify: " + f);
try {
ClassFile cf = ClassFile.read(f);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals(TEST_METHOD_NAME)) {
testMethod = m;
break;
}
}
if (testMethod == null) {
throw new Error("Missing method: " + TEST_METHOD_NAME);
}
Code_attribute code = (Code_attribute)testMethod.attributes.get(Attribute.Code);
if (code == null) {
throw new Error("Missing Code attribute for method: " + TEST_METHOD_NAME);
}
LocalVariableTypeTable_attribute lvt_table =
(LocalVariableTypeTable_attribute)code.attributes.get(Attribute.LocalVariableTypeTable);
if (lvt_table == null) {
throw new Error("Missing LocalVariableTypeTable attribute for method: " + TEST_METHOD_NAME);
}
if (lvt_table.local_variable_table_length != LVT_LENGTH) {
throw new Error("LocalVariableTypeTable has wrong size" +
"\nfound: " + lvt_table.local_variable_table_length +
"\nrequired: " + LVT_LENGTH);
}
String sig =
cf.constant_pool.getUTF8Value(lvt_table.local_variable_table[0].signature_index);
if (sig == null || !sig.equals(LVT_SIG_TYPE)) {
throw new Error("LocalVariableTypeTable has wrong signature" +
"\nfound: " + sig +
"\nrequired: " + LVT_SIG_TYPE);
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + f +": " + e);
}
}
}