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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
use std::borrow::Cow;
use zerofrom::ZeroFrom;
use zerovec::{ule::AsULE, *};
#[make_varule(VarStructULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct VarStruct<'a> {
a: u32,
b: char,
#[serde(borrow)]
c: Cow<'a, str>,
}
#[make_varule(VarStructOutOfOrderULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct VarStructOutOfOrder<'a> {
a: u32,
#[serde(borrow)]
b: Cow<'a, str>,
c: char,
d: u8,
}
#[make_varule(VarTupleStructULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct VarTupleStruct<'a>(u32, char, #[serde(borrow)] VarZeroVec<'a, str>);
#[make_varule(NoKVULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::skip_derive(ZeroMapKV)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct NoKV<'a>(u32, char, #[serde(borrow)] VarZeroVec<'a, str>);
#[make_varule(NoOrdULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::skip_derive(ZeroMapKV, Ord)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct NoOrd<'a>(u32, char, #[serde(borrow)] VarZeroVec<'a, str>);
#[make_varule(MultiFieldStructULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct MultiFieldStruct<'a> {
a: u32,
b: char,
#[serde(borrow)]
c: Cow<'a, str>,
d: u8,
#[serde(borrow)]
e: Cow<'a, str>,
f: char,
}
#[make_varule(MultiFieldConsecutiveStructULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct MultiFieldConsecutiveStruct<'a> {
#[serde(borrow)]
a: Cow<'a, str>,
#[serde(borrow)]
b: Cow<'a, str>,
#[serde(borrow)]
c: Cow<'a, str>,
#[serde(borrow)]
d: Cow<'a, str>,
}
#[make_varule(CustomVarFieldULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct CustomVarField<'a> {
#[zerovec::varule(MultiFieldStructULE)]
#[serde(borrow)]
a: MultiFieldStruct<'a>,
b: u32,
}
#[make_varule(MultiFieldTupleULE)]
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, serde::Serialize, serde::Deserialize)]
#[zerovec::derive(Serialize, Deserialize, Debug)]
struct MultiFieldTuple<'a>(
u8,
char,
#[serde(borrow)] VarZeroVec<'a, str>,
#[serde(borrow)] VarZeroVec<'a, [u8]>,
#[serde(borrow)] Cow<'a, str>,
);
/// The `assert` function should have the body `|(stack, zero)| assert_eq!(stack, &U::zero_from(&zero))`
///
/// We cannot do this internally because we technically need a different `U` with a shorter lifetime here
/// which would require some gnarly lifetime bounds and perhaps a Yoke dependency. This is just a test, so it's
/// not important to get this 100% perfect
fn assert_zerovec<T, U, F>(slice: &[U], assert: F)
where
T: ule::VarULE + ?Sized + serde::Serialize,
U: ule::EncodeAsVarULE<T> + serde::Serialize,
F: Fn(&U, &T),
for<'a> Box<T>: serde::Deserialize<'a>,
{
let varzerovec: VarZeroVec<T> = slice.into();
assert_eq!(varzerovec.len(), slice.len());
for (stack, zero) in slice.iter().zip(varzerovec.iter()) {
assert(stack, zero)
}
let bytes = varzerovec.as_bytes();
let name = std::any::type_name::<T>();
let reparsed: VarZeroVec<T> = VarZeroVec::parse_byte_slice(bytes)
.unwrap_or_else(|_| panic!("Parsing VarZeroVec<{name}> should succeed"));
assert_eq!(reparsed.len(), slice.len());
for (stack, zero) in slice.iter().zip(reparsed.iter()) {
assert(stack, zero)
}
let bincode = bincode::serialize(&varzerovec).unwrap();
let deserialized: VarZeroVec<T> = bincode::deserialize(&bincode).unwrap();
for (stack, zero) in slice.iter().zip(deserialized.iter()) {
assert(stack, zero)
}
let json_slice = serde_json::to_string(&slice).unwrap();
let json_vzv = serde_json::to_string(&varzerovec).unwrap();
assert_eq!(json_slice, json_vzv);
let deserialized: VarZeroVec<T> = serde_json::from_str(&json_vzv).unwrap();
for (stack, zero) in slice.iter().zip(deserialized.iter()) {
assert(stack, zero)
}
}
fn main() {
assert_zerovec::<VarStructULE, VarStruct, _>(TEST_VARSTRUCTS, |stack, zero| {
assert_eq!(stack, &VarStruct::zero_from(zero))
});
assert_zerovec::<MultiFieldStructULE, MultiFieldStruct, _>(TEST_MULTIFIELD, |stack, zero| {
assert_eq!(stack, &MultiFieldStruct::zero_from(zero))
});
assert_zerovec::<MultiFieldConsecutiveStructULE, MultiFieldConsecutiveStruct, _>(
TEST_MULTICONSECUTIVE,
|stack, zero| assert_eq!(stack, &MultiFieldConsecutiveStruct::zero_from(zero)),
);
let vartuples = &[
VarTupleStruct(101, 'ø', TEST_STRINGS1.into()),
VarTupleStruct(9499, '⸘', TEST_STRINGS2.into()),
VarTupleStruct(3478, '月', TEST_STRINGS3.into()),
];
assert_zerovec::<VarTupleStructULE, VarTupleStruct, _>(vartuples, |stack, zero| {
assert_eq!(stack, &VarTupleStruct::zero_from(zero))
});
// Test that all fields are accessible on a type using multifieldule
let multi_ule = ule::encode_varule_to_box(&TEST_MULTIFIELD[0]);
assert_eq!(multi_ule.a, TEST_MULTIFIELD[0].a.to_unaligned());
assert_eq!(multi_ule.b, TEST_MULTIFIELD[0].b.to_unaligned());
assert_eq!(multi_ule.c(), TEST_MULTIFIELD[0].c);
assert_eq!(multi_ule.d, TEST_MULTIFIELD[0].d);
assert_eq!(multi_ule.e(), TEST_MULTIFIELD[0].e);
assert_eq!(multi_ule.f, TEST_MULTIFIELD[0].f.to_unaligned());
}
const TEST_VARSTRUCTS: &[VarStruct<'static>] = &[
VarStruct {
a: 101,
b: 'ø',
c: Cow::Borrowed("testīng strīng"),
},
VarStruct {
a: 9499,
b: '⸘',
c: Cow::Borrowed("a diffərənt ştring"),
},
VarStruct {
a: 3478,
b: '月',
c: Cow::Borrowed("好多嘅 string"),
},
];
const TEST_STRINGS1: &[&str] = &["foo", "bar", "baz"];
const TEST_STRINGS2: &[&str] = &["hellø", "wørłd"];
const TEST_STRINGS3: &[&str] = &["łořem", "ɨpsu₥"];
const TEST_MULTIFIELD: &[MultiFieldStruct<'static>] = &[
MultiFieldStruct {
a: 101,
b: 'ø',
c: Cow::Borrowed("testīng strīng"),
d: 8,
e: Cow::Borrowed("another testīng strīng"),
f: 'å',
},
MultiFieldStruct {
a: 9499,
b: '⸘',
c: Cow::Borrowed("a diffərənt ştring"),
d: 120,
e: Cow::Borrowed("a diffərənt testing ştring"),
f: 'ł',
},
MultiFieldStruct {
a: 3478,
b: '月',
c: Cow::Borrowed("好多嘅 string"),
d: 89,
e: Cow::Borrowed("many 好多嘅 string"),
f: 'ə',
},
];
const TEST_MULTICONSECUTIVE: &[MultiFieldConsecutiveStruct<'static>] =
&[MultiFieldConsecutiveStruct {
a: Cow::Borrowed("one"),
b: Cow::Borrowed("2"),
c: Cow::Borrowed("three"),
d: Cow::Borrowed("four"),
}];
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