mirror of
https://github.com/serde-rs/serde.git
synced 2025-09-29 22:11:09 +00:00
487 lines
11 KiB
Rust
487 lines
11 KiB
Rust
#![allow(clippy::empty_enum)]
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#![cfg_attr(feature = "unstable", feature(never_type))]
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use serde::Deserialize;
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use serde_test::{assert_de_tokens_error, Token};
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use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
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use std::ffi::{CStr, CString};
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use std::num::Wrapping;
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use std::time::{Duration, SystemTime};
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#[derive(Copy, Clone, PartialEq, Debug, Deserialize)]
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struct UnitStruct;
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#[derive(PartialEq, Debug, Deserialize)]
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struct Struct {
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a: i32,
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b: i32,
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#[serde(skip_deserializing)]
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c: i32,
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}
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#[derive(PartialEq, Debug, Deserialize)]
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#[serde(deny_unknown_fields)]
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struct StructDenyUnknown {
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a: i32,
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#[serde(skip_deserializing)]
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b: i32,
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}
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#[derive(PartialEq, Debug, Deserialize)]
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#[serde(deny_unknown_fields)]
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struct StructSkipAllDenyUnknown {
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#[serde(skip_deserializing)]
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a: i32,
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}
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#[derive(Default, PartialEq, Debug)]
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struct NotDeserializable;
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#[derive(PartialEq, Debug, Deserialize)]
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enum Enum {
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#[allow(dead_code)]
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#[serde(skip_deserializing)]
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Skipped,
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Unit,
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Simple(i32),
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Seq(i32, i32, i32),
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Map {
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a: i32,
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b: i32,
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c: i32,
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},
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SimpleWithSkipped(#[serde(skip_deserializing)] NotDeserializable),
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}
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#[derive(PartialEq, Debug, Deserialize)]
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enum EnumSkipAll {
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#[allow(dead_code)]
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#[serde(skip_deserializing)]
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Skipped,
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}
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#[test]
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fn test_unknown_field() {
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assert_de_tokens_error::<StructDenyUnknown>(
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&[
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Token::Struct {
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name: "StructDenyUnknown",
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len: 1,
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},
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Token::Str("a"),
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Token::I32(0),
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Token::Str("d"),
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],
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"unknown field `d`, expected `a`",
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);
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}
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#[test]
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fn test_skipped_field_is_unknown() {
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assert_de_tokens_error::<StructDenyUnknown>(
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&[
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Token::Struct {
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name: "StructDenyUnknown",
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len: 1,
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},
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Token::Str("b"),
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],
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"unknown field `b`, expected `a`",
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);
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}
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#[test]
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fn test_skip_all_deny_unknown() {
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assert_de_tokens_error::<StructSkipAllDenyUnknown>(
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&[
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Token::Struct {
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name: "StructSkipAllDenyUnknown",
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len: 0,
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},
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Token::Str("a"),
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],
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"unknown field `a`, there are no fields",
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);
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}
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#[test]
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fn test_unknown_variant() {
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assert_de_tokens_error::<Enum>(
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&[
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Token::UnitVariant { name: "Enum", variant: "Foo" },
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],
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"unknown variant `Foo`, expected one of `Unit`, `Simple`, `Seq`, `Map`, `SimpleWithSkipped`",
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);
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}
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#[test]
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fn test_enum_skipped_variant() {
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assert_de_tokens_error::<Enum>(
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&[
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Token::UnitVariant { name: "Enum", variant: "Skipped" },
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],
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"unknown variant `Skipped`, expected one of `Unit`, `Simple`, `Seq`, `Map`, `SimpleWithSkipped`",
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);
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}
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#[test]
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fn test_enum_skip_all() {
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assert_de_tokens_error::<EnumSkipAll>(
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&[Token::UnitVariant {
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name: "EnumSkipAll",
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variant: "Skipped",
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}],
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"unknown variant `Skipped`, there are no variants",
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);
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}
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#[test]
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fn test_duplicate_field_struct() {
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assert_de_tokens_error::<Struct>(
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&[
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Token::Map { len: Some(3) },
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Token::Str("a"),
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Token::I32(1),
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Token::Str("a"),
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],
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"duplicate field `a`",
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);
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}
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#[test]
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fn test_duplicate_field_enum() {
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assert_de_tokens_error::<Enum>(
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&[
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Token::StructVariant {
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name: "Enum",
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variant: "Map",
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len: 3,
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},
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Token::Str("a"),
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Token::I32(1),
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Token::Str("a"),
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],
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"duplicate field `a`",
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);
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}
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#[test]
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fn test_enum_out_of_range() {
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assert_de_tokens_error::<Enum>(
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&[Token::Enum { name: "Enum" }, Token::U32(5), Token::Unit],
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"invalid value: integer `5`, expected variant index 0 <= i < 5",
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);
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}
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#[test]
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fn test_short_tuple() {
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assert_de_tokens_error::<(u8, u8, u8)>(
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&[Token::Tuple { len: 1 }, Token::U8(1), Token::TupleEnd],
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"invalid length 1, expected a tuple of size 3",
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);
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}
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#[test]
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fn test_short_array() {
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assert_de_tokens_error::<[u8; 3]>(
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&[Token::Seq { len: Some(1) }, Token::U8(1), Token::SeqEnd],
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"invalid length 1, expected an array of length 3",
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);
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}
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#[test]
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fn test_cstring_internal_null() {
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assert_de_tokens_error::<CString>(
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&[Token::Bytes(b"a\0c")],
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"nul byte found in provided data at position: 1",
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);
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}
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#[test]
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fn test_cstring_internal_null_end() {
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assert_de_tokens_error::<CString>(
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&[Token::Bytes(b"ac\0")],
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"nul byte found in provided data at position: 2",
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);
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}
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#[test]
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fn test_unit_from_empty_seq() {
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assert_de_tokens_error::<()>(
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&[Token::Seq { len: Some(0) }, Token::SeqEnd],
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"invalid type: sequence, expected unit",
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);
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}
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#[test]
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fn test_unit_from_empty_seq_without_len() {
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assert_de_tokens_error::<()>(
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&[Token::Seq { len: None }, Token::SeqEnd],
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"invalid type: sequence, expected unit",
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);
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}
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#[test]
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fn test_unit_from_tuple_struct() {
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assert_de_tokens_error::<()>(
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&[
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Token::TupleStruct {
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name: "Anything",
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len: 0,
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},
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Token::TupleStructEnd,
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],
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"invalid type: sequence, expected unit",
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);
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}
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#[test]
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fn test_string_from_unit() {
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assert_de_tokens_error::<String>(
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&[Token::Unit],
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"invalid type: unit value, expected a string",
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);
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}
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#[test]
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fn test_btreeset_from_unit() {
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assert_de_tokens_error::<BTreeSet<isize>>(
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&[Token::Unit],
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"invalid type: unit value, expected a sequence",
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);
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}
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#[test]
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fn test_btreeset_from_unit_struct() {
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assert_de_tokens_error::<BTreeSet<isize>>(
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&[Token::UnitStruct { name: "Anything" }],
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"invalid type: unit value, expected a sequence",
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);
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}
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#[test]
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fn test_hashset_from_unit() {
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assert_de_tokens_error::<HashSet<isize>>(
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&[Token::Unit],
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"invalid type: unit value, expected a sequence",
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);
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}
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#[test]
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fn test_hashset_from_unit_struct() {
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assert_de_tokens_error::<HashSet<isize>>(
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&[Token::UnitStruct { name: "Anything" }],
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"invalid type: unit value, expected a sequence",
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);
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}
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#[test]
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fn test_vec_from_unit() {
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assert_de_tokens_error::<Vec<isize>>(
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&[Token::Unit],
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"invalid type: unit value, expected a sequence",
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);
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}
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#[test]
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fn test_vec_from_unit_struct() {
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assert_de_tokens_error::<Vec<isize>>(
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&[Token::UnitStruct { name: "Anything" }],
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"invalid type: unit value, expected a sequence",
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);
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}
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#[test]
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fn test_zero_array_from_unit() {
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assert_de_tokens_error::<[isize; 0]>(
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&[Token::Unit],
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"invalid type: unit value, expected an empty array",
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);
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}
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#[test]
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fn test_zero_array_from_unit_struct() {
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assert_de_tokens_error::<[isize; 0]>(
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&[Token::UnitStruct { name: "Anything" }],
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"invalid type: unit value, expected an empty array",
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);
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}
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#[test]
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fn test_btreemap_from_unit() {
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assert_de_tokens_error::<BTreeMap<isize, isize>>(
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&[Token::Unit],
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"invalid type: unit value, expected a map",
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);
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}
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#[test]
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fn test_btreemap_from_unit_struct() {
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assert_de_tokens_error::<BTreeMap<isize, isize>>(
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&[Token::UnitStruct { name: "Anything" }],
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"invalid type: unit value, expected a map",
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);
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}
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#[test]
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fn test_hashmap_from_unit() {
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assert_de_tokens_error::<HashMap<isize, isize>>(
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&[Token::Unit],
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"invalid type: unit value, expected a map",
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);
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}
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#[test]
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fn test_hashmap_from_unit_struct() {
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assert_de_tokens_error::<HashMap<isize, isize>>(
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&[Token::UnitStruct { name: "Anything" }],
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"invalid type: unit value, expected a map",
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);
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}
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#[test]
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fn test_bool_from_string() {
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assert_de_tokens_error::<bool>(
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&[Token::Str("false")],
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"invalid type: string \"false\", expected a boolean",
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);
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}
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#[test]
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fn test_number_from_string() {
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assert_de_tokens_error::<isize>(
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&[Token::Str("1")],
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"invalid type: string \"1\", expected isize",
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);
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}
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#[test]
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fn test_integer_from_float() {
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assert_de_tokens_error::<isize>(
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&[Token::F32(0.0)],
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"invalid type: floating point `0`, expected isize",
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);
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}
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#[test]
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fn test_unit_struct_from_seq() {
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assert_de_tokens_error::<UnitStruct>(
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&[Token::Seq { len: Some(0) }, Token::SeqEnd],
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"invalid type: sequence, expected unit struct UnitStruct",
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);
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}
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#[test]
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fn test_wrapping_overflow() {
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assert_de_tokens_error::<Wrapping<u16>>(
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&[Token::U32(65_536)],
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"invalid value: integer `65536`, expected u16",
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);
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}
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#[test]
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fn test_duration_overflow_seq() {
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assert_de_tokens_error::<Duration>(
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&[
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Token::Seq { len: Some(2) },
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Token::U64(u64::max_value()),
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Token::U32(1_000_000_000),
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Token::SeqEnd,
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],
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"overflow deserializing Duration",
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);
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}
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#[test]
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fn test_duration_overflow_struct() {
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assert_de_tokens_error::<Duration>(
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&[
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Token::Struct {
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name: "Duration",
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len: 2,
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},
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Token::Str("secs"),
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Token::U64(u64::max_value()),
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Token::Str("nanos"),
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Token::U32(1_000_000_000),
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Token::StructEnd,
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],
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"overflow deserializing Duration",
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);
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}
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#[test]
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fn test_systemtime_overflow_seq() {
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assert_de_tokens_error::<SystemTime>(
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&[
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Token::Seq { len: Some(2) },
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Token::U64(u64::max_value()),
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Token::U32(1_000_000_000),
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Token::SeqEnd,
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],
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"overflow deserializing SystemTime epoch offset",
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);
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}
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#[test]
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fn test_systemtime_overflow_struct() {
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assert_de_tokens_error::<SystemTime>(
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&[
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Token::Struct {
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name: "SystemTime",
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len: 2,
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},
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Token::Str("secs_since_epoch"),
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Token::U64(u64::max_value()),
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Token::Str("nanos_since_epoch"),
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Token::U32(1_000_000_000),
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Token::StructEnd,
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],
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"overflow deserializing SystemTime epoch offset",
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);
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}
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#[cfg(systemtime_checked_add)]
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#[test]
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fn test_systemtime_overflow() {
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assert_de_tokens_error::<SystemTime>(
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&[
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Token::Seq { len: Some(2) },
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Token::U64(u64::max_value()),
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Token::U32(0),
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Token::SeqEnd,
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],
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"overflow deserializing SystemTime",
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);
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}
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#[test]
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fn test_cstr_internal_null() {
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assert_de_tokens_error::<Box<CStr>>(
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&[Token::Bytes(b"a\0c")],
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"nul byte found in provided data at position: 1",
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);
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}
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#[test]
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fn test_cstr_internal_null_end() {
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assert_de_tokens_error::<Box<CStr>>(
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&[Token::Bytes(b"ac\0")],
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"nul byte found in provided data at position: 2",
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);
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}
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#[cfg(feature = "unstable")]
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#[test]
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fn test_never_type() {
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assert_de_tokens_error::<!>(&[], "cannot deserialize `!`");
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assert_de_tokens_error::<Result<u8, !>>(
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&[Token::NewtypeVariant {
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name: "Result",
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variant: "Err",
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}],
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"cannot deserialize `!`",
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);
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}
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