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/// Tests covering accessors for singular bool, int32, int64, and bytes fields
/// on proto3.
use protobuf::Optional;
use unittest_proto3::proto3_unittest::{TestAllTypes, TestAllTypes_};
use unittest_proto3_optional::proto2_unittest::TestProto3Optional;

#[test]
fn test_fixed32_accessors() {
    let mut msg = TestAllTypes::new();
    assert_eq!(msg.optional_fixed32(), 0);

    msg.optional_fixed32_set(Some(99));
    assert_eq!(msg.optional_fixed32(), 99);

    msg.optional_fixed32_set(None);
    assert_eq!(msg.optional_fixed32(), 0);
}

#[test]
fn test_bytes_accessors() {
    let mut msg = TestAllTypes::new();
    // Note: even though its named 'optional_bytes' the field is actually not proto3
    // optional, so it does not support presence.
    assert_eq!(msg.optional_bytes(), b"");
    assert_eq!(msg.optional_bytes_mut().get(), b"");

    msg.optional_bytes_mut().set(b"accessors_test");
    assert_eq!(msg.optional_bytes(), b"accessors_test");
    assert_eq!(msg.optional_bytes_mut().get(), b"accessors_test");

    {
        let s = Vec::from(&b"hello world"[..]);
        msg.optional_bytes_mut().set(&s[..]);
    }
    assert_eq!(msg.optional_bytes(), b"hello world");
    assert_eq!(msg.optional_bytes_mut().get(), b"hello world");

    msg.optional_bytes_mut().clear();
    assert_eq!(msg.optional_bytes(), b"");
    assert_eq!(msg.optional_bytes_mut().get(), b"");

    msg.optional_bytes_mut().set(b"");
    assert_eq!(msg.optional_bytes(), b"");
    assert_eq!(msg.optional_bytes_mut().get(), b"");
}

#[test]
fn test_optional_bytes_accessors() {
    let mut msg = TestProto3Optional::new();
    assert_eq!(msg.optional_bytes(), b"");
    assert_eq!(msg.optional_bytes_opt(), Optional::Unset(&b""[..]));
    assert_eq!(msg.optional_bytes_mut().get(), b"");
    assert!(msg.optional_bytes_mut().is_unset());

    {
        let s = Vec::from(&b"hello world"[..]);
        msg.optional_bytes_mut().set(&s[..]);
    }
    assert_eq!(msg.optional_bytes(), b"hello world");
    assert_eq!(msg.optional_bytes_opt(), Optional::Set(&b"hello world"[..]));
    assert!(msg.optional_bytes_mut().is_set());
    assert_eq!(msg.optional_bytes_mut().get(), b"hello world");

    msg.optional_bytes_mut().or_default().set(b"accessors_test");
    assert_eq!(msg.optional_bytes(), b"accessors_test");
    assert_eq!(msg.optional_bytes_opt(), Optional::Set(&b"accessors_test"[..]));
    assert!(msg.optional_bytes_mut().is_set());
    assert_eq!(msg.optional_bytes_mut().get(), b"accessors_test");
    assert_eq!(msg.optional_bytes_mut().or_default().get(), b"accessors_test");

    msg.optional_bytes_mut().clear();
    assert_eq!(msg.optional_bytes(), b"");
    assert_eq!(msg.optional_bytes_opt(), Optional::Unset(&b""[..]));
    assert!(msg.optional_bytes_mut().is_unset());

    msg.optional_bytes_mut().set(b"");
    assert_eq!(msg.optional_bytes(), b"");
    assert_eq!(msg.optional_bytes_opt(), Optional::Set(&b""[..]));

    msg.optional_bytes_mut().clear();
    msg.optional_bytes_mut().or_default();
    assert_eq!(msg.optional_bytes(), b"");
    assert_eq!(msg.optional_bytes_opt(), Optional::Set(&b""[..]));

    msg.optional_bytes_mut().or_default().set(b"\xffbinary\x85non-utf8");
    assert_eq!(msg.optional_bytes(), b"\xffbinary\x85non-utf8");
    assert_eq!(msg.optional_bytes_opt(), Optional::Set(&b"\xffbinary\x85non-utf8"[..]));
    assert!(msg.optional_bytes_mut().is_set());
    assert_eq!(msg.optional_bytes_mut().get(), b"\xffbinary\x85non-utf8");
    assert_eq!(msg.optional_bytes_mut().or_default().get(), b"\xffbinary\x85non-utf8");
}

#[test]
fn test_oneof_accessors() {
    let mut msg = TestAllTypes::new();
    assert_eq!(msg.oneof_field(), TestAllTypes_::OneofField::not_set);

    msg.oneof_uint32_set(Some(7));
    assert_eq!(msg.oneof_uint32_opt(), Some(7));
    assert_eq!(msg.oneof_field(), TestAllTypes_::OneofField::OneofUint32(7));

    msg.oneof_uint32_set(None);
    assert_eq!(msg.oneof_uint32_opt(), None);
    assert_eq!(msg.oneof_field(), TestAllTypes_::OneofField::not_set);

    msg.oneof_uint32_set(Some(7));
    msg.oneof_bytes_mut().set(b"");
    assert_eq!(msg.oneof_uint32_opt(), None);

    // This should show it set to the OneofBytes but its not supported yet.
    assert_eq!(msg.oneof_field(), TestAllTypes_::OneofField::not_set);
}