// This is a separate test program because it has to start a JVM with a specific option. #![cfg(feature = "invocation")] use jni::{objects::JString, InitArgsBuilder, JavaVM}; #[test] fn invocation_character_encoding() { let jvm_args = InitArgsBuilder::new() .version(jni::JNIVersion::V8) .option("-Xcheck:jni") // U+00A0 NO-BREAK SPACE is the only non-ASCII character that's present in all parts of // ISO 8859. This minimizes the chance of this test failing as a result of the character // not being present in the platform default character encoding. This test will still fail // on platforms where the default character encoding cannot represent a no-break space, // such as GBK. .option("-Dnbsp=\u{00a0}") .build() .unwrap_or_else(|e| panic!("{:#?}", e)); let jvm = JavaVM::new(jvm_args).unwrap_or_else(|e| panic!("{:#?}", e)); let mut env = jvm.attach_current_thread().unwrap(); let prop_name = env.new_string("nbsp").unwrap(); let prop_value: JString = env .call_static_method( "java/lang/System", "getProperty", "(Ljava/lang/String;)Ljava/lang/String;", &[(&prop_name).into()], ) .unwrap() .l() .unwrap() .into(); let prop_value_str = env.get_string(&prop_value).unwrap(); let prop_value_str: &str = prop_value_str.to_str().unwrap(); assert_eq!("\u{00a0}", prop_value_str); }