serde/test_suite/tests/test_de.rs
2018-04-30 01:42:46 -07:00

1220 lines
32 KiB
Rust

// Copyright 2017 Serde Developers
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![cfg_attr(feature = "cargo-clippy", allow(decimal_literal_representation))]
#[macro_use]
extern crate serde_derive;
use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
use std::default::Default;
use std::ffi::{CString, OsString};
use std::net;
use std::num::Wrapping;
use std::path::{Path, PathBuf};
use std::rc::Rc;
use std::sync::Arc;
use std::time::{Duration, UNIX_EPOCH};
#[cfg(feature = "unstable")]
use std::ffi::CStr;
extern crate serde;
use serde::Deserialize;
extern crate fnv;
use self::fnv::FnvHasher;
extern crate serde_test;
use self::serde_test::{assert_de_tokens, assert_de_tokens_error, Configure, Token};
#[macro_use]
mod macros;
//////////////////////////////////////////////////////////////////////////
#[derive(Copy, Clone, PartialEq, Debug, Deserialize)]
struct UnitStruct;
#[derive(PartialEq, Debug, Deserialize)]
struct NewtypeStruct(i32);
#[derive(PartialEq, Debug, Deserialize)]
struct TupleStruct(i32, i32, i32);
#[derive(PartialEq, Debug, Deserialize)]
struct Struct {
a: i32,
b: i32,
#[serde(skip_deserializing)]
c: i32,
}
#[derive(PartialEq, Debug, Deserialize)]
#[serde(deny_unknown_fields)]
struct StructDenyUnknown {
a: i32,
#[serde(skip_deserializing)]
b: i32,
}
#[derive(PartialEq, Debug, Deserialize)]
#[serde(default)]
struct StructDefault<T> {
a: i32,
b: T,
}
impl Default for StructDefault<String> {
fn default() -> Self {
StructDefault {
a: 100,
b: "default".to_string(),
}
}
}
#[derive(PartialEq, Debug, Deserialize)]
struct StructSkipAll {
#[serde(skip_deserializing)]
a: i32,
}
#[derive(PartialEq, Debug, Deserialize)]
#[serde(default)]
struct StructSkipDefault {
#[serde(skip_deserializing)]
a: i32,
}
#[derive(PartialEq, Debug, Deserialize)]
#[serde(default)]
struct StructSkipDefaultGeneric<T> {
#[serde(skip_deserializing)]
t: T,
}
impl Default for StructSkipDefault {
fn default() -> Self {
StructSkipDefault { a: 16 }
}
}
#[derive(PartialEq, Debug, Deserialize)]
#[serde(deny_unknown_fields)]
struct StructSkipAllDenyUnknown {
#[serde(skip_deserializing)]
a: i32,
}
#[derive(PartialEq, Debug, Deserialize)]
enum Enum {
#[allow(dead_code)]
#[serde(skip_deserializing)]
Skipped,
Unit,
Simple(i32),
Seq(i32, i32, i32),
Map {
a: i32,
b: i32,
c: i32,
},
}
#[derive(PartialEq, Debug, Deserialize)]
enum EnumSkipAll {
#[allow(dead_code)]
#[serde(skip_deserializing)]
Skipped,
}
//////////////////////////////////////////////////////////////////////////
macro_rules! declare_tests {
(
$readable:tt
$($name:ident { $($value:expr => $tokens:expr,)+ })+
) => {
$(
#[test]
fn $name() {
$(
// Test ser/de roundtripping
assert_de_tokens(&$value.$readable(), $tokens);
// Test that the tokens are ignorable
assert_de_tokens_ignore($tokens);
)+
}
)+
};
($($name:ident { $($value:expr => $tokens:expr,)+ })+) => {
$(
#[test]
fn $name() {
$(
// Test ser/de roundtripping
assert_de_tokens(&$value, $tokens);
// Test that the tokens are ignorable
assert_de_tokens_ignore($tokens);
)+
}
)+
}
}
macro_rules! declare_error_tests {
($($name:ident<$target:ty> { $tokens:expr, $expected:expr, })+) => {
$(
#[test]
fn $name() {
assert_de_tokens_error::<$target>($tokens, $expected);
}
)+
}
}
fn assert_de_tokens_ignore(ignorable_tokens: &[Token]) {
#[derive(PartialEq, Debug, Deserialize)]
struct IgnoreBase {
a: i32,
}
// Embed the tokens to be ignored in the normal token
// stream for an IgnoreBase type
let concated_tokens: Vec<Token> = vec![
Token::Map { len: Some(2) },
Token::Str("a"),
Token::I32(1),
Token::Str("ignored"),
].into_iter()
.chain(ignorable_tokens.to_vec().into_iter())
.chain(vec![Token::MapEnd].into_iter())
.collect();
let mut de = serde_test::Deserializer::new(&concated_tokens);
let base = IgnoreBase::deserialize(&mut de).unwrap();
assert_eq!(base, IgnoreBase { a: 1 });
}
//////////////////////////////////////////////////////////////////////////
declare_tests! {
test_bool {
true => &[Token::Bool(true)],
false => &[Token::Bool(false)],
}
test_isize {
0isize => &[Token::I8(0)],
0isize => &[Token::I16(0)],
0isize => &[Token::I32(0)],
0isize => &[Token::I64(0)],
0isize => &[Token::U8(0)],
0isize => &[Token::U16(0)],
0isize => &[Token::U32(0)],
0isize => &[Token::U64(0)],
}
test_ints {
0i8 => &[Token::I8(0)],
0i16 => &[Token::I16(0)],
0i32 => &[Token::I32(0)],
0i64 => &[Token::I64(0)],
}
test_uints {
0u8 => &[Token::U8(0)],
0u16 => &[Token::U16(0)],
0u32 => &[Token::U32(0)],
0u64 => &[Token::U64(0)],
}
test_floats {
0f32 => &[Token::F32(0.)],
0f64 => &[Token::F64(0.)],
}
test_char {
'a' => &[Token::Char('a')],
'a' => &[Token::Str("a")],
'a' => &[Token::String("a")],
}
test_string {
"abc".to_owned() => &[Token::Str("abc")],
"abc".to_owned() => &[Token::String("abc")],
"a".to_owned() => &[Token::Char('a')],
}
test_option {
None::<i32> => &[Token::Unit],
None::<i32> => &[Token::None],
Some(1) => &[
Token::Some,
Token::I32(1),
],
}
test_result {
Ok::<i32, i32>(0) => &[
Token::Enum { name: "Result" },
Token::Str("Ok"),
Token::I32(0),
],
Err::<i32, i32>(1) => &[
Token::Enum { name: "Result" },
Token::Str("Err"),
Token::I32(1),
],
}
test_unit {
() => &[Token::Unit],
}
test_unit_struct {
UnitStruct => &[Token::Unit],
UnitStruct => &[
Token::UnitStruct { name: "UnitStruct" },
],
}
test_newtype_struct {
NewtypeStruct(1) => &[
Token::NewtypeStruct { name: "NewtypeStruct" },
Token::I32(1),
],
}
test_tuple_struct {
TupleStruct(1, 2, 3) => &[
Token::Seq { len: Some(3) },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::SeqEnd,
],
TupleStruct(1, 2, 3) => &[
Token::Seq { len: None },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::SeqEnd,
],
TupleStruct(1, 2, 3) => &[
Token::TupleStruct { name: "TupleStruct", len: 3 },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::TupleStructEnd,
],
TupleStruct(1, 2, 3) => &[
Token::TupleStruct { name: "TupleStruct", len: 3 },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::TupleStructEnd,
],
}
test_btreeset {
BTreeSet::<isize>::new() => &[
Token::Seq { len: Some(0) },
Token::SeqEnd,
],
btreeset![btreeset![], btreeset![1], btreeset![2, 3]] => &[
Token::Seq { len: Some(3) },
Token::Seq { len: Some(0) },
Token::SeqEnd,
Token::Seq { len: Some(1) },
Token::I32(1),
Token::SeqEnd,
Token::Seq { len: Some(2) },
Token::I32(2),
Token::I32(3),
Token::SeqEnd,
Token::SeqEnd,
],
BTreeSet::<isize>::new() => &[
Token::TupleStruct { name: "Anything", len: 0 },
Token::TupleStructEnd,
],
}
test_hashset {
HashSet::<isize>::new() => &[
Token::Seq { len: Some(0) },
Token::SeqEnd,
],
hashset![1, 2, 3] => &[
Token::Seq { len: Some(3) },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::SeqEnd,
],
HashSet::<isize>::new() => &[
Token::TupleStruct { name: "Anything", len: 0 },
Token::TupleStructEnd,
],
hashset![FnvHasher @ 1, 2, 3] => &[
Token::Seq { len: Some(3) },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::SeqEnd,
],
}
test_vec {
Vec::<isize>::new() => &[
Token::Seq { len: Some(0) },
Token::SeqEnd,
],
vec![vec![], vec![1], vec![2, 3]] => &[
Token::Seq { len: Some(3) },
Token::Seq { len: Some(0) },
Token::SeqEnd,
Token::Seq { len: Some(1) },
Token::I32(1),
Token::SeqEnd,
Token::Seq { len: Some(2) },
Token::I32(2),
Token::I32(3),
Token::SeqEnd,
Token::SeqEnd,
],
Vec::<isize>::new() => &[
Token::TupleStruct { name: "Anything", len: 0 },
Token::TupleStructEnd,
],
}
test_array {
[0; 0] => &[
Token::Seq { len: Some(0) },
Token::SeqEnd,
],
[0; 0] => &[
Token::Tuple { len: 0 },
Token::TupleEnd,
],
([0; 0], [1], [2, 3]) => &[
Token::Seq { len: Some(3) },
Token::Seq { len: Some(0) },
Token::SeqEnd,
Token::Seq { len: Some(1) },
Token::I32(1),
Token::SeqEnd,
Token::Seq { len: Some(2) },
Token::I32(2),
Token::I32(3),
Token::SeqEnd,
Token::SeqEnd,
],
([0; 0], [1], [2, 3]) => &[
Token::Tuple { len: 3 },
Token::Tuple { len: 0 },
Token::TupleEnd,
Token::Tuple { len: 1 },
Token::I32(1),
Token::TupleEnd,
Token::Tuple { len: 2 },
Token::I32(2),
Token::I32(3),
Token::TupleEnd,
Token::TupleEnd,
],
[0; 0] => &[
Token::TupleStruct { name: "Anything", len: 0 },
Token::TupleStructEnd,
],
}
test_tuple {
(1,) => &[
Token::Seq { len: Some(1) },
Token::I32(1),
Token::SeqEnd,
],
(1, 2, 3) => &[
Token::Seq { len: Some(3) },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::SeqEnd,
],
(1,) => &[
Token::Tuple { len: 1 },
Token::I32(1),
Token::TupleEnd,
],
(1, 2, 3) => &[
Token::Tuple { len: 3 },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::TupleEnd,
],
}
test_btreemap {
BTreeMap::<isize, isize>::new() => &[
Token::Map { len: Some(0) },
Token::MapEnd,
],
btreemap![1 => 2] => &[
Token::Map { len: Some(1) },
Token::I32(1),
Token::I32(2),
Token::MapEnd,
],
btreemap![1 => 2, 3 => 4] => &[
Token::Map { len: Some(2) },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::I32(4),
Token::MapEnd,
],
btreemap![1 => btreemap![], 2 => btreemap![3 => 4, 5 => 6]] => &[
Token::Map { len: Some(2) },
Token::I32(1),
Token::Map { len: Some(0) },
Token::MapEnd,
Token::I32(2),
Token::Map { len: Some(2) },
Token::I32(3),
Token::I32(4),
Token::I32(5),
Token::I32(6),
Token::MapEnd,
Token::MapEnd,
],
BTreeMap::<isize, isize>::new() => &[
Token::Struct { name: "Anything", len: 0 },
Token::StructEnd,
],
}
test_hashmap {
HashMap::<isize, isize>::new() => &[
Token::Map { len: Some(0) },
Token::MapEnd,
],
hashmap![1 => 2] => &[
Token::Map { len: Some(1) },
Token::I32(1),
Token::I32(2),
Token::MapEnd,
],
hashmap![1 => 2, 3 => 4] => &[
Token::Map { len: Some(2) },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::I32(4),
Token::MapEnd,
],
hashmap![1 => hashmap![], 2 => hashmap![3 => 4, 5 => 6]] => &[
Token::Map { len: Some(2) },
Token::I32(1),
Token::Map { len: Some(0) },
Token::MapEnd,
Token::I32(2),
Token::Map { len: Some(2) },
Token::I32(3),
Token::I32(4),
Token::I32(5),
Token::I32(6),
Token::MapEnd,
Token::MapEnd,
],
HashMap::<isize, isize>::new() => &[
Token::Struct { name: "Anything", len: 0 },
Token::StructEnd,
],
hashmap![FnvHasher @ 1 => 2, 3 => 4] => &[
Token::Map { len: Some(2) },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::I32(4),
Token::MapEnd,
],
}
test_struct {
Struct { a: 1, b: 2, c: 0 } => &[
Token::Map { len: Some(3) },
Token::Str("a"),
Token::I32(1),
Token::Str("b"),
Token::I32(2),
Token::MapEnd,
],
Struct { a: 1, b: 2, c: 0 } => &[
Token::Map { len: Some(3) },
Token::U32(0),
Token::I32(1),
Token::U32(1),
Token::I32(2),
Token::MapEnd,
],
Struct { a: 1, b: 2, c: 0 } => &[
Token::Struct { name: "Struct", len: 2 },
Token::Str("a"),
Token::I32(1),
Token::Str("b"),
Token::I32(2),
Token::StructEnd,
],
Struct { a: 1, b: 2, c: 0 } => &[
Token::Seq { len: Some(3) },
Token::I32(1),
Token::I32(2),
Token::SeqEnd,
],
}
test_struct_with_skip {
Struct { a: 1, b: 2, c: 0 } => &[
Token::Map { len: Some(3) },
Token::Str("a"),
Token::I32(1),
Token::Str("b"),
Token::I32(2),
Token::Str("c"),
Token::I32(3),
Token::Str("d"),
Token::I32(4),
Token::MapEnd,
],
Struct { a: 1, b: 2, c: 0 } => &[
Token::Struct { name: "Struct", len: 2 },
Token::Str("a"),
Token::I32(1),
Token::Str("b"),
Token::I32(2),
Token::Str("c"),
Token::I32(3),
Token::Str("d"),
Token::I32(4),
Token::StructEnd,
],
}
test_struct_skip_all {
StructSkipAll { a: 0 } => &[
Token::Struct { name: "StructSkipAll", len: 0 },
Token::StructEnd,
],
StructSkipAll { a: 0 } => &[
Token::Struct { name: "StructSkipAll", len: 0 },
Token::Str("a"),
Token::I32(1),
Token::Str("b"),
Token::I32(2),
Token::StructEnd,
],
}
test_struct_skip_default {
StructSkipDefault { a: 16 } => &[
Token::Struct { name: "StructSkipDefault", len: 0 },
Token::StructEnd,
],
}
test_struct_skip_all_deny_unknown {
StructSkipAllDenyUnknown { a: 0 } => &[
Token::Struct { name: "StructSkipAllDenyUnknown", len: 0 },
Token::StructEnd,
],
}
test_struct_default {
StructDefault { a: 50, b: "overwritten".to_string() } => &[
Token::Struct { name: "StructDefault", len: 2 },
Token::Str("a"),
Token::I32(50),
Token::Str("b"),
Token::String("overwritten"),
Token::StructEnd,
],
StructDefault { a: 100, b: "default".to_string() } => &[
Token::Struct { name: "StructDefault", len: 2 },
Token::StructEnd,
],
}
test_enum_unit {
Enum::Unit => &[
Token::UnitVariant { name: "Enum", variant: "Unit" },
],
}
test_enum_simple {
Enum::Simple(1) => &[
Token::NewtypeVariant { name: "Enum", variant: "Simple" },
Token::I32(1),
],
}
test_enum_seq {
Enum::Seq(1, 2, 3) => &[
Token::TupleVariant { name: "Enum", variant: "Seq", len: 3 },
Token::I32(1),
Token::I32(2),
Token::I32(3),
Token::TupleVariantEnd,
],
}
test_enum_map {
Enum::Map { a: 1, b: 2, c: 3 } => &[
Token::StructVariant { name: "Enum", variant: "Map", len: 3 },
Token::Str("a"),
Token::I32(1),
Token::Str("b"),
Token::I32(2),
Token::Str("c"),
Token::I32(3),
Token::StructVariantEnd,
],
}
test_enum_unit_usize {
Enum::Unit => &[
Token::Enum { name: "Enum" },
Token::U32(0),
Token::Unit,
],
}
test_enum_unit_bytes {
Enum::Unit => &[
Token::Enum { name: "Enum" },
Token::Bytes(b"Unit"),
Token::Unit,
],
}
test_box {
Box::new(0i32) => &[Token::I32(0)],
}
test_boxed_slice {
Box::new([0, 1, 2]) => &[
Token::Seq { len: Some(3) },
Token::I32(0),
Token::I32(1),
Token::I32(2),
Token::SeqEnd,
],
}
test_duration {
Duration::new(1, 2) => &[
Token::Struct { name: "Duration", len: 2 },
Token::Str("secs"),
Token::U64(1),
Token::Str("nanos"),
Token::U32(2),
Token::StructEnd,
],
Duration::new(1, 2) => &[
Token::Seq { len: Some(2) },
Token::I64(1),
Token::I64(2),
Token::SeqEnd,
],
}
test_system_time {
UNIX_EPOCH + Duration::new(1, 2) => &[
Token::Struct { name: "SystemTime", len: 2 },
Token::Str("secs_since_epoch"),
Token::U64(1),
Token::Str("nanos_since_epoch"),
Token::U32(2),
Token::StructEnd,
],
UNIX_EPOCH + Duration::new(1, 2) => &[
Token::Seq { len: Some(2) },
Token::I64(1),
Token::I64(2),
Token::SeqEnd,
],
}
test_range {
1u32..2u32 => &[
Token::Struct { name: "Range", len: 2 },
Token::Str("start"),
Token::U32(1),
Token::Str("end"),
Token::U32(2),
Token::StructEnd,
],
1u32..2u32 => &[
Token::Seq { len: Some(2) },
Token::U64(1),
Token::U64(2),
Token::SeqEnd,
],
}
test_path {
Path::new("/usr/local/lib") => &[
Token::BorrowedStr("/usr/local/lib"),
],
}
test_path_buf {
PathBuf::from("/usr/local/lib") => &[
Token::String("/usr/local/lib"),
],
}
test_cstring {
CString::new("abc").unwrap() => &[
Token::Bytes(b"abc"),
],
}
test_rc {
Rc::new(true) => &[
Token::Bool(true),
],
}
test_arc {
Arc::new(true) => &[
Token::Bool(true),
],
}
test_wrapping {
Wrapping(1usize) => &[
Token::U32(1),
],
Wrapping(1usize) => &[
Token::U64(1),
],
}
}
declare_tests! {
readable
test_net_ipv4addr_readable {
"1.2.3.4".parse::<net::Ipv4Addr>().unwrap() => &[Token::Str("1.2.3.4")],
}
test_net_ipv6addr_readable {
"::1".parse::<net::Ipv6Addr>().unwrap() => &[Token::Str("::1")],
}
test_net_ipaddr_readable {
"1.2.3.4".parse::<net::IpAddr>().unwrap() => &[Token::Str("1.2.3.4")],
}
test_net_socketaddr_readable {
"1.2.3.4:1234".parse::<net::SocketAddr>().unwrap() => &[Token::Str("1.2.3.4:1234")],
"1.2.3.4:1234".parse::<net::SocketAddrV4>().unwrap() => &[Token::Str("1.2.3.4:1234")],
"[::1]:1234".parse::<net::SocketAddrV6>().unwrap() => &[Token::Str("[::1]:1234")],
}
}
declare_tests! {
compact
test_net_ipv4addr_compact {
net::Ipv4Addr::from(*b"1234") => &seq![
Token::Tuple { len: 4 },
seq b"1234".iter().map(|&b| Token::U8(b)),
Token::TupleEnd
],
}
test_net_ipv6addr_compact {
net::Ipv6Addr::from(*b"1234567890123456") => &seq![
Token::Tuple { len: 4 },
seq b"1234567890123456".iter().map(|&b| Token::U8(b)),
Token::TupleEnd
],
}
test_net_ipaddr_compact {
net::IpAddr::from(*b"1234") => &seq![
Token::NewtypeVariant { name: "IpAddr", variant: "V4" },
Token::Tuple { len: 4 },
seq b"1234".iter().map(|&b| Token::U8(b)),
Token::TupleEnd
],
}
test_net_socketaddr_compact {
net::SocketAddr::from((*b"1234567890123456", 1234)) => &seq![
Token::NewtypeVariant { name: "SocketAddr", variant: "V6" },
Token::Tuple { len: 2 },
Token::Tuple { len: 16 },
seq b"1234567890123456".iter().map(|&b| Token::U8(b)),
Token::TupleEnd,
Token::U16(1234),
Token::TupleEnd
],
net::SocketAddr::from((*b"1234", 1234)) => &seq![
Token::NewtypeVariant { name: "SocketAddr", variant: "V4" },
Token::Tuple { len: 2 },
Token::Tuple { len: 4 },
seq b"1234".iter().map(|&b| Token::U8(b)),
Token::TupleEnd,
Token::U16(1234),
Token::TupleEnd
],
net::SocketAddrV4::new(net::Ipv4Addr::from(*b"1234"), 1234) => &seq![
Token::Tuple { len: 2 },
Token::Tuple { len: 4 },
seq b"1234".iter().map(|&b| Token::U8(b)),
Token::TupleEnd,
Token::U16(1234),
Token::TupleEnd
],
net::SocketAddrV6::new(net::Ipv6Addr::from(*b"1234567890123456"), 1234, 0, 0) => &seq![
Token::Tuple { len: 2 },
Token::Tuple { len: 16 },
seq b"1234567890123456".iter().map(|&b| Token::U8(b)),
Token::TupleEnd,
Token::U16(1234),
Token::TupleEnd
],
}
}
#[cfg(feature = "unstable")]
declare_tests! {
test_rc_dst {
Rc::<str>::from("s") => &[
Token::Str("s"),
],
Rc::<[bool]>::from(&[true][..]) => &[
Token::Seq { len: Some(1) },
Token::Bool(true),
Token::SeqEnd,
],
}
test_arc_dst {
Arc::<str>::from("s") => &[
Token::Str("s"),
],
Arc::<[bool]>::from(&[true][..]) => &[
Token::Seq { len: Some(1) },
Token::Bool(true),
Token::SeqEnd,
],
}
}
#[cfg(unix)]
#[test]
fn test_osstring() {
use std::os::unix::ffi::OsStringExt;
let value = OsString::from_vec(vec![1, 2, 3]);
let tokens = [
Token::Enum { name: "OsString" },
Token::Str("Unix"),
Token::Seq { len: Some(2) },
Token::U8(1),
Token::U8(2),
Token::U8(3),
Token::SeqEnd,
];
assert_de_tokens(&value, &tokens);
assert_de_tokens_ignore(&tokens);
}
#[cfg(windows)]
#[test]
fn test_osstring() {
use std::os::windows::ffi::OsStringExt;
let value = OsString::from_wide(&[1, 2, 3]);
let tokens = [
Token::Enum { name: "OsString" },
Token::Str("Windows"),
Token::Seq { len: Some(2) },
Token::U16(1),
Token::U16(2),
Token::U16(3),
Token::SeqEnd,
];
assert_de_tokens(&value, &tokens);
assert_de_tokens_ignore(&tokens);
}
#[cfg(feature = "unstable")]
#[test]
fn test_cstr() {
assert_de_tokens::<Box<CStr>>(
&CString::new("abc").unwrap().into_boxed_c_str(),
&[Token::Bytes(b"abc")],
);
}
#[cfg(feature = "unstable")]
#[test]
fn test_cstr_internal_null() {
assert_de_tokens_error::<Box<CStr>>(
&[Token::Bytes(b"a\0c")],
"nul byte found in provided data at position: 1",
);
}
#[cfg(feature = "unstable")]
#[test]
fn test_cstr_internal_null_end() {
assert_de_tokens_error::<Box<CStr>>(
&[Token::Bytes(b"ac\0")],
"nul byte found in provided data at position: 2",
);
}
declare_error_tests! {
test_unknown_field<StructDenyUnknown> {
&[
Token::Struct { name: "StructDenyUnknown", len: 1 },
Token::Str("a"),
Token::I32(0),
Token::Str("d"),
],
"unknown field `d`, expected `a`",
}
test_skipped_field_is_unknown<StructDenyUnknown> {
&[
Token::Struct { name: "StructDenyUnknown", len: 1 },
Token::Str("b"),
],
"unknown field `b`, expected `a`",
}
test_skip_all_deny_unknown<StructSkipAllDenyUnknown> {
&[
Token::Struct { name: "StructSkipAllDenyUnknown", len: 0 },
Token::Str("a"),
],
"unknown field `a`, there are no fields",
}
test_unknown_variant<Enum> {
&[
Token::UnitVariant { name: "Enum", variant: "Foo" },
],
"unknown variant `Foo`, expected one of `Unit`, `Simple`, `Seq`, `Map`",
}
test_enum_skipped_variant<Enum> {
&[
Token::UnitVariant { name: "Enum", variant: "Skipped" },
],
"unknown variant `Skipped`, expected one of `Unit`, `Simple`, `Seq`, `Map`",
}
test_enum_skip_all<EnumSkipAll> {
&[
Token::UnitVariant { name: "EnumSkipAll", variant: "Skipped" },
],
"unknown variant `Skipped`, there are no variants",
}
test_duplicate_field_struct<Struct> {
&[
Token::Map { len: Some(3) },
Token::Str("a"),
Token::I32(1),
Token::Str("a"),
],
"duplicate field `a`",
}
test_duplicate_field_enum<Enum> {
&[
Token::StructVariant { name: "Enum", variant: "Map", len: 3 },
Token::Str("a"),
Token::I32(1),
Token::Str("a"),
],
"duplicate field `a`",
}
test_enum_out_of_range<Enum> {
&[
Token::Enum { name: "Enum" },
Token::U32(4),
Token::Unit,
],
"invalid value: integer `4`, expected variant index 0 <= i < 4",
}
test_short_tuple<(u8, u8, u8)> {
&[
Token::Tuple { len: 1 },
Token::U8(1),
Token::TupleEnd,
],
"invalid length 1, expected a tuple of size 3",
}
test_short_array<[u8; 3]> {
&[
Token::Seq { len: Some(1) },
Token::U8(1),
Token::SeqEnd,
],
"invalid length 1, expected an array of length 3",
}
test_cstring_internal_null<CString> {
&[
Token::Bytes(b"a\0c"),
],
"nul byte found in provided data at position: 1",
}
test_cstring_internal_null_end<CString> {
&[
Token::Bytes(b"ac\0"),
],
"nul byte found in provided data at position: 2",
}
test_unit_from_empty_seq<()> {
&[
Token::Seq { len: Some(0) },
Token::SeqEnd,
],
"invalid type: sequence, expected unit",
}
test_unit_from_empty_seq_without_len<()> {
&[
Token::Seq { len: None },
Token::SeqEnd,
],
"invalid type: sequence, expected unit",
}
test_unit_from_tuple_struct<()> {
&[
Token::TupleStruct { name: "Anything", len: 0 },
Token::TupleStructEnd,
],
"invalid type: sequence, expected unit",
}
test_string_from_unit<String> {
&[
Token::Unit,
],
"invalid type: unit value, expected a string",
}
test_btreeset_from_unit<BTreeSet<isize>> {
&[
Token::Unit,
],
"invalid type: unit value, expected a sequence",
}
test_btreeset_from_unit_struct<BTreeSet<isize>> {
&[
Token::UnitStruct { name: "Anything" },
],
"invalid type: unit value, expected a sequence",
}
test_hashset_from_unit<HashSet<isize>> {
&[
Token::Unit,
],
"invalid type: unit value, expected a sequence",
}
test_hashset_from_unit_struct<HashSet<isize>> {
&[
Token::UnitStruct { name: "Anything" },
],
"invalid type: unit value, expected a sequence",
}
test_vec_from_unit<Vec<isize>> {
&[
Token::Unit,
],
"invalid type: unit value, expected a sequence",
}
test_vec_from_unit_struct<Vec<isize>> {
&[
Token::UnitStruct { name: "Anything" },
],
"invalid type: unit value, expected a sequence",
}
test_zero_array_from_unit<[isize; 0]> {
&[
Token::Unit,
],
"invalid type: unit value, expected an empty array",
}
test_zero_array_from_unit_struct<[isize; 0]> {
&[
Token::UnitStruct { name: "Anything" },
],
"invalid type: unit value, expected an empty array",
}
test_btreemap_from_unit<BTreeMap<isize, isize>> {
&[
Token::Unit,
],
"invalid type: unit value, expected a map",
}
test_btreemap_from_unit_struct<BTreeMap<isize, isize>> {
&[
Token::UnitStruct { name: "Anything" },
],
"invalid type: unit value, expected a map",
}
test_hashmap_from_unit<HashMap<isize, isize>> {
&[
Token::Unit,
],
"invalid type: unit value, expected a map",
}
test_hashmap_from_unit_struct<HashMap<isize, isize>> {
&[
Token::UnitStruct { name: "Anything" },
],
"invalid type: unit value, expected a map",
}
test_bool_from_string<bool> {
&[
Token::Str("false"),
],
"invalid type: string \"false\", expected a boolean",
}
test_number_from_string<isize> {
&[
Token::Str("1"),
],
"invalid type: string \"1\", expected isize",
}
test_integer_from_float<isize> {
&[
Token::F32(0.0),
],
"invalid type: floating point `0`, expected isize",
}
test_unit_struct_from_seq<UnitStruct> {
&[
Token::Seq { len: Some(0) },
Token::SeqEnd,
],
"invalid type: sequence, expected unit struct UnitStruct",
}
test_wrapping_overflow<Wrapping<u16>> {
&[
Token::U32(65_536),
],
"invalid value: integer `65536`, expected u16",
}
}