protobuf/rust/test/shared/accessors_test.rs

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/// Tests covering accessors for singular bool, int64, and bytes fields.
use unittest_proto::proto2_unittest::TestAllTypes;

#[test]
fn test_default_accessors() {
    // defaults are from here:
    // http://google3/third_party/protobuf/unittest.proto section default_*
    let msg = TestAllTypes::new();
    assert_eq!(msg.default_int32(), 41);
    assert_eq!(msg.default_int64(), 42);
    assert_eq!(msg.default_bool(), true);
}

#[test]
fn test_optional_int32_accessors() {
    let mut msg = TestAllTypes::new();
    assert_eq!(msg.optional_int32_opt(), None);
    assert_eq!(msg.optional_int32(), 0);

    msg.optional_int32_set(Some(1));
    assert_eq!(msg.optional_int32_opt(), Some(1));
    assert_eq!(msg.optional_int32(), 1);

    msg.optional_int32_set(None);
    assert_eq!(msg.optional_int32_opt(), None);

    assert_eq!(msg.optional_int32(), 0);
}

#[test]
fn test_optional_int64_accessors() {
    let mut msg = TestAllTypes::new();
    assert_eq!(msg.optional_int64_opt(), None);
    assert_eq!(msg.optional_int64(), 0);

    msg.optional_int64_set(Some(42));
    assert_eq!(msg.optional_int64_opt(), Some(42));
    assert_eq!(msg.optional_int64(), 42);

    msg.optional_int64_set(None);
    assert_eq!(msg.optional_int64_opt(), None);
    assert_eq!(msg.optional_int64(), 0);
}

#[test]
fn test_optional_bool_accessors() {
    let mut msg = TestAllTypes::new();
    assert_eq!(msg.optional_bool_opt(), None);

    msg.optional_bool_set(Some(true));
    assert_eq!(msg.optional_bool_opt(), Some(true));

    msg.optional_bool_set(None);
    assert_eq!(msg.optional_bool_opt(), None);
}

#[test]
fn test_optional_bytes_accessors() {
    let mut msg = TestAllTypes::new();
    assert_eq!(msg.optional_bytes(), None);

    msg.optional_bytes_set(Some(b"accessors_test"));
    assert_eq!(msg.optional_bytes().unwrap(), b"accessors_test");

    msg.optional_bytes_set(None);
    assert_eq!(msg.optional_bytes(), None);

    msg.optional_bytes_set(Some(b""));
    assert_eq!(msg.optional_bytes().unwrap(), b"");
}