forked from mirrors/gstreamer-rs
709 lines
26 KiB
Rust
709 lines
26 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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#![allow(clippy::upper_case_acronyms)]
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use glib::{Date, StaticType, ToValue};
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use num_rational::Rational32;
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use serde::de;
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use serde::de::{Deserialize, Deserializer, SeqAccess, Visitor};
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use serde::ser;
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use serde::ser::{Serialize, SerializeTuple, Serializer};
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use std::{fmt, mem};
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use once_cell::sync::Lazy;
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use crate::Buffer;
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use crate::DateTime;
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use crate::List;
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use crate::Sample;
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use crate::Structure;
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use crate::date_time_serde;
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use crate::value::*;
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pub(crate) static ARRAY_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(Array::static_type);
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pub(crate) static BITMASK_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(Bitmask::static_type);
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pub(crate) static DATE_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(Date::static_type);
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pub(crate) static DATE_TIME_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(DateTime::static_type);
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pub(crate) static FRACTION_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(Fraction::static_type);
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pub(crate) static FRACTION_RANGE_OTHER_TYPE_ID: Lazy<glib::Type> =
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Lazy::new(FractionRange::static_type);
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pub(crate) static INT_RANGE_I32_OTHER_TYPE_ID: Lazy<glib::Type> =
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Lazy::new(IntRange::<i32>::static_type);
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pub(crate) static INT_RANGE_I64_OTHER_TYPE_ID: Lazy<glib::Type> =
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Lazy::new(IntRange::<i64>::static_type);
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pub(crate) static LIST_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(List::static_type);
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pub(crate) static SAMPLE_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(Sample::static_type);
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pub(crate) static BUFFER_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(Buffer::static_type);
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pub(crate) static STRUCTURE_OTHER_TYPE_ID: Lazy<glib::Type> = Lazy::new(Structure::static_type);
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impl Serialize for Fraction {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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self.0.serialize(serializer)
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}
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}
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impl<'de> Deserialize<'de> for Fraction {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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skip_assert_initialized!();
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Rational32::deserialize(deserializer)
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.map(|rational| Fraction::new(*rational.numer(), *rational.denom()))
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}
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}
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macro_rules! ser_some_value (
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($value:expr, $t:ty, $ser_closure:expr) => (
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{
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let value = $value.get::<$t>().expect("ser_some_value macro");
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$ser_closure(stringify!($t), value)
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}
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);
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);
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macro_rules! ser_opt_value (
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($value:expr, $t:ty, $ser_closure:expr) => (
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{
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let value = $value.get::<Option<$t>>().expect("ser_opt_value macro");
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$ser_closure(stringify!($t), value)
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}
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);
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);
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macro_rules! ser_value (
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($value:expr, $ser_closure:expr) => (
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match $value.type_() {
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glib::Type::I8 => ser_some_value!($value, i8, $ser_closure),
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glib::Type::U8 => ser_some_value!($value, u8, $ser_closure),
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glib::Type::BOOL => ser_some_value!($value, bool, $ser_closure),
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glib::Type::I32 => ser_some_value!($value, i32, $ser_closure),
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glib::Type::U32 => ser_some_value!($value, u32, $ser_closure),
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glib::Type::I64 => ser_some_value!($value, i64, $ser_closure),
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glib::Type::U64 => ser_some_value!($value, u64, $ser_closure),
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glib::Type::F32 => ser_some_value!($value, f32, $ser_closure),
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glib::Type::F64 => ser_some_value!($value, f64, $ser_closure),
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glib::Type::STRING => ser_opt_value!($value, String, $ser_closure),
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type_id => {
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if *ARRAY_OTHER_TYPE_ID == type_id {
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ser_some_value!($value, Array, $ser_closure)
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} else if *BITMASK_OTHER_TYPE_ID == type_id {
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ser_some_value!($value, Bitmask, $ser_closure)
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} else if *STRUCTURE_OTHER_TYPE_ID == type_id {
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ser_some_value!($value, Structure, $ser_closure)
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} else if *DATE_OTHER_TYPE_ID == type_id {
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ser_opt_value!($value, Date, |type_, value: Option<Date>| {
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// Need to wrap the `glib::Date` in new type `date_time_serde::Date` first
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// See comment in `date_time_serde.rs`
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$ser_closure(type_, value.map(date_time_serde::Date::from))
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})
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} else if *DATE_TIME_OTHER_TYPE_ID == type_id {
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ser_opt_value!($value, DateTime, $ser_closure)
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} else if *FRACTION_OTHER_TYPE_ID == type_id {
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ser_some_value!($value, Fraction, $ser_closure)
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} else if *FRACTION_RANGE_OTHER_TYPE_ID == type_id {
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ser_some_value!($value, FractionRange, $ser_closure)
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} else if *INT_RANGE_I32_OTHER_TYPE_ID == type_id {
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ser_some_value!($value, IntRange<i32>, $ser_closure)
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} else if *INT_RANGE_I64_OTHER_TYPE_ID == type_id {
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ser_some_value!($value, IntRange<i64>, $ser_closure)
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} else if *LIST_OTHER_TYPE_ID == type_id {
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ser_some_value!($value, crate::List, $ser_closure)
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} else if *SAMPLE_OTHER_TYPE_ID == type_id {
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ser_opt_value!($value, Sample, $ser_closure)
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} else if *BUFFER_OTHER_TYPE_ID == type_id {
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ser_opt_value!($value, Buffer, $ser_closure)
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} else {
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Err(
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ser::Error::custom(
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format!("unimplemented `Value` serialization for type {}",
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type_id,
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)
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)
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)
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}
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}
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}
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);
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);
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#[repr(transparent)]
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pub(crate) struct SendValue(glib::SendValue);
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impl SendValue {
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pub(crate) fn from(send_value: glib::SendValue) -> Self {
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skip_assert_initialized!();
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SendValue(send_value)
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}
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}
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impl From<SendValue> for glib::SendValue {
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fn from(send_value: SendValue) -> Self {
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skip_assert_initialized!();
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send_value.0
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}
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}
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impl Serialize for SendValue {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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ser_value!(self.0, |type_, value| {
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let mut tup = serializer.serialize_tuple(2)?;
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tup.serialize_element(type_)?;
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tup.serialize_element(&value)?;
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tup.end()
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})
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}
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}
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macro_rules! impl_ser_send_value_collection (
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($t:ident) => (
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impl Serialize for $t {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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let send_value_vec = unsafe {
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&*(self.as_slice() as *const [glib::SendValue] as *const [SendValue])
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};
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send_value_vec.serialize(serializer)
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}
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}
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);
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);
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impl_ser_send_value_collection!(Array);
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impl_ser_send_value_collection!(List);
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macro_rules! de_some_send_value(
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($type_name:expr, $seq:expr, $t:ty) => (
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de_some_send_value!("Value", $type_name, $seq, $t)
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);
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($outer_type:expr, $type_name:expr, $seq:expr, $t:ty) => (
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de_send_value!($outer_type, $type_name, $seq, $t, $t)
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);
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);
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macro_rules! de_opt_send_value(
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($type_name:expr, $seq:expr, $t:ty) => (
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de_opt_send_value!("Value", $type_name, $seq, $t)
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);
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($outer_type:expr, $type_name:expr, $seq:expr, $t:ty) => (
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de_send_value!($outer_type, $type_name, $seq, Option<$t>, $t)
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);
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);
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macro_rules! de_send_value(
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($outer_type:expr, $type_name:expr, $seq:expr, $elem_t:ty, $t:ty) => (
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Ok(match $seq.next_element::<$elem_t>()? {
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Some(base_value) => {
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Some(SendValue::from(base_value
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.to_value()
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.try_into_send_value::<$t>()
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.map_err(|_|
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de::Error::custom(format!(
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"Failed to convert `{}` with type {:?} to `SendValue`",
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$outer_type,
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$type_name,
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))
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)?
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))
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}
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None => None
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})
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);
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($type_name:expr, $seq:expr) => (
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match $type_name.as_str() {
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"i8" => de_some_send_value!($type_name, $seq, i8),
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"u8" => de_some_send_value!($type_name, $seq, u8),
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"bool" => de_some_send_value!($type_name, $seq, bool),
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"i32" => de_some_send_value!($type_name, $seq, i32),
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"u32" => de_some_send_value!($type_name, $seq, u32),
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"i64" => de_some_send_value!($type_name, $seq, i64),
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"u64" => de_some_send_value!($type_name, $seq, u64),
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"f32" => de_some_send_value!($type_name, $seq, f32),
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"f64" => de_some_send_value!($type_name, $seq, f64),
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"String" => de_opt_send_value!($type_name, $seq, String),
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"Array" => de_some_send_value!($type_name, $seq, Array),
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"Bitmask" => de_some_send_value!($type_name, $seq, Bitmask),
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"Structure" => de_some_send_value!($type_name, $seq, Structure),
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"Date" => {
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// Need to deserialize as `date_time_serde::Date` new type
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// See comment in `date_time_serde.rs`
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de_send_value!(
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"Value",
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$type_name,
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$seq,
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Option<date_time_serde::Date>,
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Date
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)
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}
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"DateTime" => de_opt_send_value!($type_name, $seq, DateTime),
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"Fraction" => de_some_send_value!($type_name, $seq, Fraction),
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"FractionRange" => de_some_send_value!($type_name, $seq, FractionRange),
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"IntRange<i32>" => de_some_send_value!($type_name, $seq, IntRange<i32>),
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"IntRange<i64>" => de_some_send_value!($type_name, $seq, IntRange<i64>),
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"Sample" => de_opt_send_value!($type_name, $seq, Sample),
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"Buffer" => de_opt_send_value!($type_name, $seq, Buffer),
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_ => return Err(
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de::Error::custom(
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format!(
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"unimplemented deserialization for `Value` with type `{}`",
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$type_name,
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),
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)
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),
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}
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);
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);
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struct SendValueVisitor;
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impl<'de> Visitor<'de> for SendValueVisitor {
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type Value = SendValue;
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fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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formatter.write_str("a tuple: (name, value)")
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}
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fn visit_seq<A: SeqAccess<'de>>(self, mut seq: A) -> Result<Self::Value, A::Error> {
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let type_name = seq
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.next_element::<String>()?
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.ok_or_else(|| de::Error::custom("Expected a value for `Value` type"))?;
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let send_value = de_send_value!(type_name, seq)?
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.ok_or_else(|| de::Error::custom("Expected a value for `Value`"))?;
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Ok(send_value)
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}
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}
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impl<'de> Deserialize<'de> for SendValue {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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skip_assert_initialized!();
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deserializer.deserialize_tuple(2, SendValueVisitor {})
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}
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}
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macro_rules! impl_de_send_value_collection (
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($t:ident) => {
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impl<'de> Deserialize<'de> for $t {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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skip_assert_initialized!();
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let send_value_vec = Vec::<SendValue>::deserialize(deserializer)?;
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Ok($t::from_values(unsafe{
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mem::transmute::<Vec<SendValue>, Vec<glib::SendValue>>(send_value_vec)
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}))
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}
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}
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}
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);
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impl_de_send_value_collection!(Array);
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impl_de_send_value_collection!(List);
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#[cfg(test)]
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mod tests {
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use crate::Array;
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use crate::Bitmask;
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use crate::DateTime;
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use crate::Fraction;
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use crate::FractionRange;
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use crate::IntRange;
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use crate::List;
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use crate::Structure;
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use glib::{Date, DateMonth};
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#[test]
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fn test_serialize_simple() {
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crate::init().unwrap();
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let pretty_config = ron::ser::PrettyConfig::new().new_line("".to_string());
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// Fraction
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let fraction = Fraction::new(1, 3);
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let res = ron::ser::to_string_pretty(&fraction, pretty_config.clone());
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assert_eq!(Ok("(1, 3)".to_owned()), res);
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let res = serde_json::to_string(&fraction).unwrap();
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assert_eq!("[1,3]".to_owned(), res);
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// FractionRange
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let fraction_range = FractionRange::new(Fraction::new(1, 3), Fraction::new(1, 2));
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let res = ron::ser::to_string_pretty(&fraction_range, pretty_config.clone());
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assert_eq!(Ok("( min: (1, 3), max: (1, 2),)".to_owned()), res);
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let res = serde_json::to_string(&fraction_range).unwrap();
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assert_eq!(r#"{"min":[1,3],"max":[1,2]}"#.to_owned(), res);
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// IntRange
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let int_range = IntRange::with_step(0, 42, 21);
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let res = ron::ser::to_string_pretty(&int_range, pretty_config.clone());
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assert_eq!(Ok("( min: 0, max: 42, step: 21,)".to_owned()), res,);
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let res = serde_json::to_string(&int_range).unwrap();
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assert_eq!(r#"{"min":0,"max":42,"step":21}"#.to_owned(), res);
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// Bitmask
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let bitmask = Bitmask::new(1024 + 128 + 32);
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let res = ron::ser::to_string_pretty(&bitmask, pretty_config.clone());
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assert_eq!(Ok("(1184)".to_owned()), res);
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let res = serde_json::to_string(&bitmask).unwrap();
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assert_eq!("1184".to_owned(), res);
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// Nested structure
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let s = Structure::builder("foobar")
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.field("foo", 42)
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.field("baz", Structure::builder("baz").field("foo", 43).build())
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.build();
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let res = ron::ser::to_string_pretty(&s, pretty_config);
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assert_eq!(
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Ok(r#"("foobar", [ ("foo", "i32", 42), ("baz", "Structure", ("baz", [ ("foo", "i32", 43), ])),])"#.to_owned()),
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res
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);
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let res = serde_json::to_string(&s).unwrap();
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assert_eq!(
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r#"["foobar",[["foo","i32",42],["baz","Structure",["baz",[["foo","i32",43]]]]]]"#
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.to_owned(),
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res
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);
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}
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#[test]
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fn test_serialize_collections() {
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crate::init().unwrap();
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let pretty_config = ron::ser::PrettyConfig::new().new_line("".to_string());
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// Array
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let value_13 = Fraction::new(1, 3);
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let value_12 = Fraction::new(1, 2);
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let array = Array::new([value_13, value_12]);
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let res = ron::ser::to_string_pretty(&array, pretty_config.clone());
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assert_eq!(
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Ok(concat!(
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r#"["#,
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r#" ("Fraction", (1, 3)),"#,
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r#" ("Fraction", (1, 2)),"#,
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r#"]"#
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)
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.to_owned()),
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res,
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);
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let res = serde_json::to_string(&array).unwrap();
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assert_eq!(r#"[["Fraction",[1,3]],["Fraction",[1,2]]]"#.to_owned(), res);
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// List
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let value_12 = Fraction::new(1, 2);
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let list = List::new([value_12]);
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let res = ron::ser::to_string_pretty(&list, pretty_config);
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assert_eq!(
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Ok(concat!(r#"["#, r#" ("Fraction", (1, 2)),"#, r#"]"#).to_owned()),
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res,
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);
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}
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#[test]
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fn test_deserialize_simple() {
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crate::init().unwrap();
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// Fraction
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let fraction_ron = "(1, 3)";
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let fraction: Fraction = ron::de::from_str(fraction_ron).unwrap();
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assert_eq!(fraction.0.numer(), &1);
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assert_eq!(fraction.0.denom(), &3);
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let fraction_json = "[1,3]";
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let fraction: Fraction = serde_json::from_str(fraction_json).unwrap();
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assert_eq!(fraction.0.numer(), &1);
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assert_eq!(fraction.0.denom(), &3);
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// FractionRange
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let fraction_range_ron = "(min: (1, 3), max: (1, 2))";
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let fraction_range: FractionRange = ron::de::from_str(fraction_range_ron).unwrap();
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assert_eq!(fraction_range.min().0.denom(), &3);
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assert_eq!(fraction_range.max().0.denom(), &2);
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let fraction_range_json = r#"{"min":[1,3],"max":[1,2]}"#;
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let fraction_range: FractionRange = serde_json::from_str(fraction_range_json).unwrap();
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assert_eq!(fraction_range.min().0.denom(), &3);
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assert_eq!(fraction_range.max().0.denom(), &2);
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// IntRange
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let int_range_ron = "(min: 0, max: 42, step: 21)";
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|
let int_range: IntRange<i32> = ron::de::from_str(int_range_ron).unwrap();
|
|
assert_eq!(int_range.min(), 0);
|
|
assert_eq!(int_range.max(), 42);
|
|
assert_eq!(int_range.step(), 21);
|
|
|
|
let int_range_json = r#"{"min":0,"max":42,"step":21}"#;
|
|
let int_range: IntRange<i32> = serde_json::from_str(int_range_json).unwrap();
|
|
assert_eq!(int_range.min(), 0);
|
|
assert_eq!(int_range.max(), 42);
|
|
assert_eq!(int_range.step(), 21);
|
|
|
|
// Bitmask
|
|
let bitmask_ref = Bitmask::new(1024 + 128 + 32);
|
|
|
|
let bitmask_ron = "(1184)";
|
|
let bitmask: Bitmask = ron::de::from_str(bitmask_ron).unwrap();
|
|
assert_eq!(bitmask_ref, bitmask);
|
|
|
|
let bitmask_json = "1184";
|
|
let bitmask: Bitmask = serde_json::from_str(bitmask_json).unwrap();
|
|
assert_eq!(bitmask_ref, bitmask);
|
|
|
|
// Nested structure
|
|
let s_ref = Structure::builder("foobar")
|
|
.field("foo", 42)
|
|
.field("baz", Structure::builder("baz").field("foo", 43).build())
|
|
.build();
|
|
|
|
let s_ron = r#"("foobar", [ ("foo", "i32", 42), ("baz", "Structure", ("baz", [ ("foo", "i32", 43), ])),])"#;
|
|
let s: Structure = ron::de::from_str(s_ron).unwrap();
|
|
assert_eq!(s_ref, s);
|
|
|
|
let s_json =
|
|
r#"["foobar",[["foo","i32",42],["baz","Structure",["baz",[["foo","i32",43]]]]]]"#;
|
|
let s: Structure = serde_json::from_str(s_json).unwrap();
|
|
assert_eq!(s_ref, s);
|
|
}
|
|
|
|
#[test]
|
|
fn test_serde_roundtrip_simple() {
|
|
crate::init().unwrap();
|
|
|
|
// Fraction
|
|
let fraction = Fraction::new(1, 3);
|
|
let fraction_ser = ron::ser::to_string(&fraction).unwrap();
|
|
let fraction_de: Fraction = ron::de::from_str(fraction_ser.as_str()).unwrap();
|
|
assert_eq!(fraction_de.0.numer(), fraction.0.numer());
|
|
assert_eq!(fraction_de.0.denom(), fraction.0.denom());
|
|
|
|
// FractionRange
|
|
let fraction_range = FractionRange::new(Fraction::new(1, 3), Fraction::new(1, 2));
|
|
let fraction_range_ser = ron::ser::to_string(&fraction_range).unwrap();
|
|
let fraction_range_de: FractionRange =
|
|
ron::de::from_str(fraction_range_ser.as_str()).unwrap();
|
|
assert_eq!(
|
|
fraction_range_de.min().0.denom(),
|
|
fraction_range.min().0.denom()
|
|
);
|
|
assert_eq!(
|
|
fraction_range_de.max().0.denom(),
|
|
fraction_range.max().0.denom()
|
|
);
|
|
|
|
// IntRange
|
|
let int_range = IntRange::with_step(0, 42, 21);
|
|
let int_range_ser = ron::ser::to_string(&int_range).unwrap();
|
|
let int_range_de: IntRange<i32> = ron::de::from_str(int_range_ser.as_str()).unwrap();
|
|
assert_eq!(int_range_de.min(), int_range.min());
|
|
assert_eq!(int_range_de.max(), int_range.max());
|
|
assert_eq!(int_range_de.step(), int_range.step());
|
|
|
|
// Bitmask
|
|
let bitmask = Bitmask::new(1024 + 128 + 32);
|
|
let bitmask_ser = ron::ser::to_string(&bitmask).unwrap();
|
|
let bitmask_de: Bitmask = ron::de::from_str(bitmask_ser.as_str()).unwrap();
|
|
assert_eq!(bitmask_de, bitmask);
|
|
|
|
// Nested structure
|
|
let s = Structure::builder("foobar")
|
|
.field("foo", 42)
|
|
.field("baz", Structure::builder("baz").field("foo", 43).build())
|
|
.build();
|
|
let s_ser = ron::ser::to_string(&s).unwrap();
|
|
let s_de: Structure = ron::de::from_str(s_ser.as_str()).unwrap();
|
|
assert_eq!(s_de, s);
|
|
}
|
|
|
|
#[allow(clippy::cognitive_complexity)]
|
|
#[test]
|
|
fn test_deserialize_collections() {
|
|
crate::init().unwrap();
|
|
|
|
// Array of fractions
|
|
let array_ron = r#"[
|
|
("Fraction", (1, 3)),
|
|
("Fraction", (1, 2)),
|
|
]"#;
|
|
let array: Array = ron::de::from_str(array_ron).unwrap();
|
|
let slice = array.as_slice();
|
|
assert_eq!(2, slice.len());
|
|
|
|
let fraction = slice[0].get::<Fraction>().expect("slice[0]");
|
|
assert_eq!(fraction.0.numer(), &1);
|
|
assert_eq!(fraction.0.denom(), &3);
|
|
|
|
let fraction = slice[1].get::<Fraction>().expect("slice[1]");
|
|
assert_eq!(fraction.0.numer(), &1);
|
|
assert_eq!(fraction.0.denom(), &2);
|
|
|
|
// Array of strings
|
|
let array_ron = r#"[
|
|
("String", Some("test str")),
|
|
("String", None),
|
|
]"#;
|
|
let array: Array = ron::de::from_str(array_ron).unwrap();
|
|
let slice = array.as_slice();
|
|
assert_eq!(2, slice.len());
|
|
assert_eq!(
|
|
"test str".to_owned(),
|
|
slice[0].get::<String>().expect("slice[0]")
|
|
);
|
|
|
|
assert!(slice[1]
|
|
.get::<Option<String>>()
|
|
.expect("slice[1]")
|
|
.is_none());
|
|
|
|
// Array of dates
|
|
let array_ron = r#"[
|
|
("Date", Some(YMD(2019, 8, 19))),
|
|
("Date", None),
|
|
]"#;
|
|
let array: Array = ron::de::from_str(array_ron).unwrap();
|
|
let slice = array.as_slice();
|
|
assert_eq!(2, slice.len());
|
|
assert_eq!(
|
|
Date::from_dmy(19, DateMonth::August, 2019).unwrap(),
|
|
slice[0].get::<Date>().expect("slice[0]")
|
|
);
|
|
|
|
assert!(slice[1].get::<Option<Date>>().expect("slice[1]").is_none());
|
|
|
|
// Array of fractions
|
|
let array_json = r#"[["Fraction",[1,3]],["Fraction",[1,2]]]"#;
|
|
let array: Array = serde_json::from_str(array_json).unwrap();
|
|
let slice = array.as_slice();
|
|
assert_eq!(2, slice.len());
|
|
|
|
let fraction = slice[0].get::<Fraction>().expect("slice[0]");
|
|
assert_eq!(fraction.0.numer(), &1);
|
|
assert_eq!(fraction.0.denom(), &3);
|
|
|
|
let fraction = slice[1].get::<Fraction>().expect("slice[1]");
|
|
assert_eq!(fraction.0.numer(), &1);
|
|
assert_eq!(fraction.0.denom(), &2);
|
|
|
|
// Array of strings
|
|
let array_json = r#"[["String","test str"],["String",null]]"#;
|
|
let array: Array = serde_json::from_str(array_json).unwrap();
|
|
let slice = array.as_slice();
|
|
assert_eq!(2, slice.len());
|
|
assert_eq!(
|
|
"test str".to_owned(),
|
|
slice[0].get::<String>().expect("slice[0]")
|
|
);
|
|
|
|
assert!(slice[1]
|
|
.get::<Option<String>>()
|
|
.expect("slice[1]")
|
|
.is_none());
|
|
|
|
// Array of dates
|
|
let array_json = r#"[["Date",{"YMD":[2019,8,19]}],["Date",null]]"#;
|
|
let array: Array = serde_json::from_str(array_json).unwrap();
|
|
let slice = array.as_slice();
|
|
assert_eq!(2, slice.len());
|
|
assert_eq!(
|
|
Date::from_dmy(19, DateMonth::August, 2019).unwrap(),
|
|
slice[0].get::<Date>().expect("slice[0]")
|
|
);
|
|
|
|
assert!(slice[1].get::<Option<Date>>().expect("slice[1]").is_none());
|
|
|
|
// List of fractions
|
|
let list_ron = r#"[
|
|
("Fraction", (1, 2)),
|
|
]"#;
|
|
let list: List = ron::de::from_str(list_ron).unwrap();
|
|
let slice = list.as_slice();
|
|
assert_eq!(1, slice.len());
|
|
|
|
let fraction = slice[0].get::<Fraction>().expect("slice[0]");
|
|
assert_eq!(fraction.0.numer(), &1);
|
|
assert_eq!(fraction.0.denom(), &2);
|
|
|
|
// List of strings
|
|
let list_ron = r#"[
|
|
("String", Some("test str")),
|
|
("String", None),
|
|
]"#;
|
|
let list: List = ron::de::from_str(list_ron).unwrap();
|
|
let slice = list.as_slice();
|
|
assert_eq!(2, slice.len());
|
|
assert_eq!(
|
|
"test str".to_owned(),
|
|
slice[0].get::<String>().expect("slice[0]")
|
|
);
|
|
|
|
assert!(slice[1]
|
|
.get::<Option<String>>()
|
|
.expect("slice[1]")
|
|
.is_none());
|
|
|
|
// List of date times
|
|
let list_ron = r#"[
|
|
("DateTime", Some(YMDhmsTz(2019, 8, 19, 13, 34, 42, 2))),
|
|
("DateTime", None),
|
|
]"#;
|
|
let list: List = ron::de::from_str(list_ron).unwrap();
|
|
let slice = list.as_slice();
|
|
assert_eq!(2, slice.len());
|
|
assert_eq!(
|
|
DateTime::new(2f32, 2019, 8, 19, 13, 34, 42f64).unwrap(),
|
|
slice[0].get::<DateTime>().expect("slice[0]")
|
|
);
|
|
|
|
assert!(slice[1]
|
|
.get::<Option<DateTime>>()
|
|
.expect("slice[1]")
|
|
.is_none());
|
|
}
|
|
|
|
#[test]
|
|
fn test_serde_roundtrip_collection() {
|
|
crate::init().unwrap();
|
|
|
|
// Array
|
|
let value_13 = Fraction::new(1, 3);
|
|
let value_12 = Fraction::new(1, 2);
|
|
|
|
let array = Array::new([value_13, value_12]);
|
|
let array_ser = ron::ser::to_string(&array).unwrap();
|
|
|
|
let array_de: Array = ron::de::from_str(array_ser.as_str()).unwrap();
|
|
let slice_de = array_de.as_slice();
|
|
let slice = array.as_slice();
|
|
assert_eq!(slice_de.len(), slice.len());
|
|
|
|
let fraction_de = slice_de[0].get::<Fraction>().expect("slice_de[0]");
|
|
let fraction = slice[0].get::<Fraction>().expect("slice[0]");
|
|
assert_eq!(fraction_de.0.numer(), fraction.0.numer());
|
|
assert_eq!(fraction_de.0.denom(), fraction.0.denom());
|
|
|
|
let fraction_de = slice_de[1].get::<Fraction>().expect("slice_de[1]");
|
|
let fraction = slice[1].get::<Fraction>().expect("slice[1]");
|
|
assert_eq!(fraction_de.0.numer(), fraction.0.numer());
|
|
assert_eq!(fraction.0.denom(), fraction.0.denom());
|
|
|
|
// List
|
|
let value_12 = Fraction::new(1, 2);
|
|
|
|
let list = List::new([value_12]);
|
|
let list_ser = ron::ser::to_string(&list).unwrap();
|
|
|
|
let list_de: List = ron::de::from_str(list_ser.as_str()).unwrap();
|
|
let slice_de = list_de.as_slice();
|
|
let slice = list.as_slice();
|
|
assert_eq!(slice_de.len(), slice.len());
|
|
|
|
let fraction_de = slice_de[0].get::<Fraction>().expect("slice_de[0]");
|
|
let fraction = slice[0].get::<Fraction>().expect("slice[0]");
|
|
assert_eq!(fraction_de.0.numer(), fraction.0.numer());
|
|
assert_eq!(fraction_de.0.denom(), fraction.0.denom());
|
|
}
|
|
}
|