private void testRemove2(CtClass cc, String fieldName) throws Exception {
CtField f = cc.getField(fieldName);
cc.removeField(f);
try {
CtField f2 = cc.getField(fieldName);
fail("the removed field still exists");
} catch (NotFoundException e) {
}
}
/** @param name a qualified class name. e.g. java.lang.String */
public CtField lookupField(String className, Symbol fieldName) throws CompileError {
CtClass cc = lookupClass(className, false);
try {
return cc.getField(fieldName.get());
} catch (NotFoundException e) {
}
throw new CompileError("no such field: " + fieldName.get());
}
/**
* Only used by fieldAccess() in MemberCodeGen and TypeChecker.
*
* @param jvmClassName a JVM class name. e.g. java/lang/String
*/
public CtField lookupFieldByJvmName2(String jvmClassName, Symbol fieldSym, ASTree expr)
throws NoFieldException {
String field = fieldSym.get();
CtClass cc = null;
try {
cc = lookupClass(jvmToJavaName(jvmClassName), true);
} catch (CompileError e) {
// EXPR might be part of a qualified class name.
throw new NoFieldException(jvmClassName + "/" + field, expr);
}
try {
return cc.getField(field);
} catch (NotFoundException e) {
// maybe an inner class.
jvmClassName = javaToJvmName(cc.getName());
throw new NoFieldException(jvmClassName + "$" + field, expr);
}
}
public void testRemove() throws Exception {
CtClass cc = sloader.get("test2.Remove");
testRemove2(cc, "f1");
testRemove2(cc, "f6");
testRemove2(cc, "f3");
CtField p = cc.getField("p");
try {
cc.removeField(p);
fail("non-existing field has been removed");
} catch (NotFoundException e) {
}
testRemove3(cc, "bar");
testRemove3(cc, "bar2");
testRemove4(cc, "(I)V");
cc.writeFile();
Object obj = make(cc.getName());
assertEquals(7, invoke(obj, "foo"));
}
public void testConstField() throws Exception {
CtClass cc = sloader.get("test2.ConstField");
CtField f;
f = cc.getField("b");
assertEquals(true, ((Boolean) f.getConstantValue()).booleanValue());
f = cc.getField("i");
assertEquals(3, ((Integer) f.getConstantValue()).intValue());
f = cc.getField("j");
assertEquals(7L, ((Long) f.getConstantValue()).longValue());
f = cc.getField("f");
assertEquals(8.0F, ((Float) f.getConstantValue()).floatValue(), 0.0);
f = cc.getField("d");
assertEquals(9.0, ((Double) f.getConstantValue()).doubleValue(), 0.0);
f = cc.getField("s");
assertEquals("const", f.getConstantValue());
f = cc.getField("obj");
assertEquals(null, f.getConstantValue());
f = cc.getField("integer");
assertEquals(null, f.getConstantValue());
f = cc.getField("k");
assertEquals(null, f.getConstantValue());
cc.getClassFile().prune();
f = cc.getField("i");
assertEquals(3, ((Integer) f.getConstantValue()).intValue());
f = cc.getField("k");
assertEquals(null, f.getConstantValue());
}
