1 #![cfg(feature = "invocation")]
2
3 use jni::{objects::JObject, objects::JValue};
4
5 mod util;
6 use util::{attach_current_thread, print_exception};
7
8 #[test]
test_java_integers()9 fn test_java_integers() {
10 let env = attach_current_thread();
11
12 let array_length = 50;
13
14 for value in -10..10 {
15 env.with_local_frame(16, || {
16 let integer_value =
17 env.new_object("java/lang/Integer", "(I)V", &[JValue::Int(value)])?;
18
19 let values_array =
20 env.new_object_array(array_length, "java/lang/Integer", integer_value)?;
21 let values_array = unsafe { JObject::from_raw(values_array) };
22
23 let result = env
24 .call_static_method(
25 "java/util/Arrays",
26 "binarySearch",
27 "([Ljava/lang/Object;Ljava/lang/Object;)I",
28 &[JValue::Object(values_array), JValue::Object(integer_value)],
29 )?
30 .i()?;
31
32 assert!(0 <= result && result < array_length);
33
34 Ok(JObject::null())
35 })
36 .unwrap_or_else(|e| {
37 print_exception(&env);
38 panic!("{:#?}", e);
39 });
40 }
41 }
42