extern crate rucaja;

use rucaja::{Jvm, JvmAttachment, JvmClass, JvmMethod, JvmString, jvalue_from_jobject};

#[test]
fn test_java_integers() {

    let jvm = Jvm::new(&[
        "-Xcheck:jni"
    ]);

    // Attach the current native thread to the JVM.
    let jvm_attachment = JvmAttachment::new(jvm.jvm());

    let jvm_integer_class = JvmClass::get_class(&jvm_attachment, "java/lang/Integer").unwrap();

    let parse_int_method = JvmMethod::get_static_method(
        &jvm_attachment,
        &jvm_integer_class,
        "parseInt",
        "(Ljava/lang/String;)I"
    ).unwrap();

    for value in -500..500 {
        let jvm_string = JvmString::new(&jvm_attachment, value.to_string().as_str()).unwrap();

        let jvm_int = JvmMethod::call_static_int_method(
            &jvm_attachment,
            &jvm_integer_class,
            &parse_int_method,
            vec![
                jvalue_from_jobject(jvm_string.jvm_ptr())
            ].as_ptr()
        );

        assert_eq!(jvm_int, value);
    }

}