void test(ClassFile cf, Method m) {
test(cf, m, Attribute.Code, Code_attribute.class);
test(cf, m, Attribute.Exceptions, Exceptions_attribute.class);
}
// test the result of Attributes.getIndex according to expectations // encoded in the method's name void test(ClassFile cf, Method m, String name, Class<?> c) { int index = m.attributes.getIndex(cf.constant_pool, name); try {
String m_name = m.getName(cf.constant_pool);
System.err.println("Method " + m_name + " name:" + name + " index:" + index + " class: " + c); boolean expect = (m_name.equals("<init>") && name.equals("Code"))
|| (m_name.indexOf(name) != -1); boolean found = (index != -1); if (expect) { if (found) {
Attribute attr = m.attributes.get(index); if (!c.isAssignableFrom(attr.getClass())) {
error(m + ": unexpected attribute found,"
+ " expected " + c.getName()
+ " found " + attr.getClass().getName());
}
} else {
error(m + ": expected attribute " + name + " not found");
}
} else { if (found) {
error(m + ": unexpected attribute " + name);
}
}
} catch (ConstantPoolException e) {
error(m + ": " + e);
}
}
File writeTestFile() throws IOException {
File f = new File("Test.java");
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
out.println("abstract class Test { ");
out.println(" abstract void m();");
out.println(" void m_Code() { }");
out.println(" abstract void m_Exceptions() throws Exception;");
out.println(" void m_Code_Exceptions() throws Exception { }");
out.println("}");
out.close(); return f;
}
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