rlua 0.20.1

High level bindings to Lua 5.x
Documentation 
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use bstr::{BStr, BString};
use rlua::{Lua, RluaCompat};

// Lua 5.1 doesn't have hex escapes
#[cfg(not(rlua_lua51))]
#[test]
fn byte_string_round_trip() {
    Lua::new().context(|lua| {
        lua.load(
            r#"
                invalid_sequence_identifier = "\xa0\xa1"
                invalid_2_octet_sequence_2nd = "\xc3\x28"
                invalid_3_octet_sequence_2nd = "\xe2\x28\xa1"
                invalid_3_octet_sequence_3rd = "\xe2\x82\x28"
                invalid_4_octet_sequence_2nd = "\xf0\x28\x8c\xbc"
                invalid_4_octet_sequence_3rd = "\xf0\x90\x28\xbc"
                invalid_4_octet_sequence_4th = "\xf0\x28\x8c\x28"

                an_actual_string = "Hello, world!"
            "#,
        )
        .exec()
        .unwrap();

        let globals = lua.globals();
        let isi = globals
            .get::<_, BString>("invalid_sequence_identifier")
            .unwrap();
        assert_eq!(isi, [0xa0, 0xa1].as_ref());
        let i2os2 = globals
            .get::<_, BString>("invalid_2_octet_sequence_2nd")
            .unwrap();
        assert_eq!(i2os2, [0xc3, 0x28].as_ref());
        let i3os2 = globals
            .get::<_, BString>("invalid_3_octet_sequence_2nd")
            .unwrap();
        assert_eq!(i3os2, [0xe2, 0x28, 0xa1].as_ref());
        let i3os3 = globals
            .get::<_, BString>("invalid_3_octet_sequence_3rd")
            .unwrap();
        assert_eq!(i3os3, [0xe2, 0x82, 0x28].as_ref());
        let i4os2 = globals
            .get::<_, BString>("invalid_4_octet_sequence_2nd")
            .unwrap();
        assert_eq!(i4os2, [0xf0, 0x28, 0x8c, 0xbc].as_ref());
        let i4os3 = globals
            .get::<_, BString>("invalid_4_octet_sequence_3rd")
            .unwrap();
        assert_eq!(i4os3, [0xf0, 0x90, 0x28, 0xbc].as_ref());
        let i4os4 = globals
            .get::<_, BString>("invalid_4_octet_sequence_4th")
            .unwrap();
        assert_eq!(i4os4, [0xf0, 0x28, 0x8c, 0x28].as_ref());
        let aas = globals.get::<_, BString>("an_actual_string").unwrap();
        assert_eq!(aas, b"Hello, world!".as_ref());

        globals
            .set::<_, &BStr>("bstr_invalid_sequence_identifier", isi.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_2_octet_sequence_2nd", i2os2.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_3_octet_sequence_2nd", i3os2.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_3_octet_sequence_3rd", i3os3.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_4_octet_sequence_2nd", i4os2.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_4_octet_sequence_3rd", i4os3.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_4_octet_sequence_4th", i4os4.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_an_actual_string", aas.as_ref())
            .unwrap();

        lua.load(
            r#"
                assert(bstr_invalid_sequence_identifier == invalid_sequence_identifier)
                assert(bstr_invalid_2_octet_sequence_2nd == invalid_2_octet_sequence_2nd)
                assert(bstr_invalid_3_octet_sequence_2nd == invalid_3_octet_sequence_2nd)
                assert(bstr_invalid_3_octet_sequence_3rd == invalid_3_octet_sequence_3rd)
                assert(bstr_invalid_4_octet_sequence_2nd == invalid_4_octet_sequence_2nd)
                assert(bstr_invalid_4_octet_sequence_3rd == invalid_4_octet_sequence_3rd)
                assert(bstr_invalid_4_octet_sequence_4th == invalid_4_octet_sequence_4th)
                assert(bstr_an_actual_string == an_actual_string)
            "#,
        )
        .exec()
        .unwrap();

        globals
            .set::<_, BString>("bstring_invalid_sequence_identifier", isi)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_2_octet_sequence_2nd", i2os2)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_3_octet_sequence_2nd", i3os2)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_3_octet_sequence_3rd", i3os3)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_4_octet_sequence_2nd", i4os2)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_4_octet_sequence_3rd", i4os3)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_4_octet_sequence_4th", i4os4)
            .unwrap();
        globals
            .set::<_, BString>("bstring_an_actual_string", aas)
            .unwrap();

        lua.load(
            r#"
                assert(bstring_invalid_sequence_identifier == invalid_sequence_identifier)
                assert(bstring_invalid_2_octet_sequence_2nd == invalid_2_octet_sequence_2nd)
                assert(bstring_invalid_3_octet_sequence_2nd == invalid_3_octet_sequence_2nd)
                assert(bstring_invalid_3_octet_sequence_3rd == invalid_3_octet_sequence_3rd)
                assert(bstring_invalid_4_octet_sequence_2nd == invalid_4_octet_sequence_2nd)
                assert(bstring_invalid_4_octet_sequence_3rd == invalid_4_octet_sequence_3rd)
                assert(bstring_invalid_4_octet_sequence_4th == invalid_4_octet_sequence_4th)
                assert(bstring_an_actual_string == an_actual_string)
            "#,
        )
        .exec()
        .unwrap();
    });
}

#[test]
fn byte_string_round_trip_dec() {
    Lua::new().context(|lua| {
        lua.load(
            r#"
                invalid_sequence_identifier = "\160\161"
                invalid_2_octet_sequence_2nd = "\195\40"
                invalid_3_octet_sequence_2nd = "\226\40\161"
                invalid_3_octet_sequence_3rd = "\226\130\40"
                invalid_4_octet_sequence_2nd = "\240\40\140\188"
                invalid_4_octet_sequence_3rd = "\240\144\40\188"
                invalid_4_octet_sequence_4th = "\240\40\140\40"

                an_actual_string = "Hello, world!"
            "#,
        )
        .exec()
        .unwrap();

        let globals = lua.globals();
        let isi = globals
            .get::<_, BString>("invalid_sequence_identifier")
            .unwrap();
        assert_eq!(isi, [0xa0, 0xa1].as_ref());
        let i2os2 = globals
            .get::<_, BString>("invalid_2_octet_sequence_2nd")
            .unwrap();
        assert_eq!(i2os2, [0xc3, 0x28].as_ref());
        let i3os2 = globals
            .get::<_, BString>("invalid_3_octet_sequence_2nd")
            .unwrap();
        assert_eq!(i3os2, [0xe2, 0x28, 0xa1].as_ref());
        let i3os3 = globals
            .get::<_, BString>("invalid_3_octet_sequence_3rd")
            .unwrap();
        assert_eq!(i3os3, [0xe2, 0x82, 0x28].as_ref());
        let i4os2 = globals
            .get::<_, BString>("invalid_4_octet_sequence_2nd")
            .unwrap();
        assert_eq!(i4os2, [0xf0, 0x28, 0x8c, 0xbc].as_ref());
        let i4os3 = globals
            .get::<_, BString>("invalid_4_octet_sequence_3rd")
            .unwrap();
        assert_eq!(i4os3, [0xf0, 0x90, 0x28, 0xbc].as_ref());
        let i4os4 = globals
            .get::<_, BString>("invalid_4_octet_sequence_4th")
            .unwrap();
        assert_eq!(i4os4, [0xf0, 0x28, 0x8c, 0x28].as_ref());
        let aas = globals.get::<_, BString>("an_actual_string").unwrap();
        assert_eq!(aas, b"Hello, world!".as_ref());

        globals
            .set::<_, &BStr>("bstr_invalid_sequence_identifier", isi.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_2_octet_sequence_2nd", i2os2.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_3_octet_sequence_2nd", i3os2.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_3_octet_sequence_3rd", i3os3.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_4_octet_sequence_2nd", i4os2.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_4_octet_sequence_3rd", i4os3.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_invalid_4_octet_sequence_4th", i4os4.as_ref())
            .unwrap();
        globals
            .set::<_, &BStr>("bstr_an_actual_string", aas.as_ref())
            .unwrap();

        lua.load(
            r#"
                assert(bstr_invalid_sequence_identifier == invalid_sequence_identifier)
                assert(bstr_invalid_2_octet_sequence_2nd == invalid_2_octet_sequence_2nd)
                assert(bstr_invalid_3_octet_sequence_2nd == invalid_3_octet_sequence_2nd)
                assert(bstr_invalid_3_octet_sequence_3rd == invalid_3_octet_sequence_3rd)
                assert(bstr_invalid_4_octet_sequence_2nd == invalid_4_octet_sequence_2nd)
                assert(bstr_invalid_4_octet_sequence_3rd == invalid_4_octet_sequence_3rd)
                assert(bstr_invalid_4_octet_sequence_4th == invalid_4_octet_sequence_4th)
                assert(bstr_an_actual_string == an_actual_string)
            "#,
        )
        .exec()
        .unwrap();

        globals
            .set::<_, BString>("bstring_invalid_sequence_identifier", isi)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_2_octet_sequence_2nd", i2os2)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_3_octet_sequence_2nd", i3os2)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_3_octet_sequence_3rd", i3os3)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_4_octet_sequence_2nd", i4os2)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_4_octet_sequence_3rd", i4os3)
            .unwrap();
        globals
            .set::<_, BString>("bstring_invalid_4_octet_sequence_4th", i4os4)
            .unwrap();
        globals
            .set::<_, BString>("bstring_an_actual_string", aas)
            .unwrap();

        lua.load(
            r#"
                assert(bstring_invalid_sequence_identifier == invalid_sequence_identifier)
                assert(bstring_invalid_2_octet_sequence_2nd == invalid_2_octet_sequence_2nd)
                assert(bstring_invalid_3_octet_sequence_2nd == invalid_3_octet_sequence_2nd)
                assert(bstring_invalid_3_octet_sequence_3rd == invalid_3_octet_sequence_3rd)
                assert(bstring_invalid_4_octet_sequence_2nd == invalid_4_octet_sequence_2nd)
                assert(bstring_invalid_4_octet_sequence_3rd == invalid_4_octet_sequence_3rd)
                assert(bstring_invalid_4_octet_sequence_4th == invalid_4_octet_sequence_4th)
                assert(bstring_an_actual_string == an_actual_string)
            "#,
        )
        .exec()
        .unwrap();
    });
}