501 lines
14 KiB
Rust
501 lines
14 KiB
Rust
// Copyright 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#[macro_export]
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macro_rules! cbor_map {
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// trailing comma case
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( $( $key:expr => $value:expr, )+ ) => {
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cbor_map! ( $($key => $value),+ )
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};
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( $( $key:expr => $value:expr ),* ) => {
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{
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// The import is unused if the list is empty.
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#[allow(unused_imports)]
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use $crate::values::{IntoCborKey, IntoCborValue};
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let mut _map = ::alloc::collections::BTreeMap::new();
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$(
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_map.insert($key.into_cbor_key(), $value.into_cbor_value());
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)*
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$crate::values::Value::Map(_map)
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}
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};
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}
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#[macro_export]
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macro_rules! cbor_map_options {
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// trailing comma case
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( $( $key:expr => $value:expr, )+ ) => {
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cbor_map_options! ( $($key => $value),+ )
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};
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( $( $key:expr => $value:expr ),* ) => {
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{
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// The import is unused if the list is empty.
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#[allow(unused_imports)]
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use $crate::values::{IntoCborKey, IntoCborValueOption};
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let mut _map = ::alloc::collections::BTreeMap::<_, $crate::values::Value>::new();
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$(
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{
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let opt: Option<$crate::values::Value> = $value.into_cbor_value_option();
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if let Some(val) = opt {
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_map.insert($key.into_cbor_key(), val);
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}
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}
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)*
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$crate::values::Value::Map(_map)
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}
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};
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}
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#[macro_export]
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macro_rules! cbor_map_btree {
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( $tree:expr ) => {
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$crate::values::Value::Map($tree)
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};
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}
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#[macro_export]
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macro_rules! cbor_array {
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// trailing comma case
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( $( $value:expr, )+ ) => {
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cbor_array! ( $($value),+ )
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};
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( $( $value:expr ),* ) => {
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{
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// The import is unused if the list is empty.
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#[allow(unused_imports)]
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use $crate::values::IntoCborValue;
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$crate::values::Value::Array(vec![ $( $value.into_cbor_value(), )* ])
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}
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};
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}
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#[macro_export]
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macro_rules! cbor_array_vec {
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( $vec:expr ) => {{
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use $crate::values::IntoCborValue;
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$crate::values::Value::Array($vec.into_iter().map(|x| x.into_cbor_value()).collect())
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}};
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}
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#[cfg(test)]
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macro_rules! cbor_true {
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( ) => {
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$crate::values::Value::Simple($crate::values::SimpleValue::TrueValue)
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};
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}
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#[macro_export]
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macro_rules! cbor_false {
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( ) => {
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$crate::values::Value::Simple($crate::values::SimpleValue::FalseValue)
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};
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}
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#[macro_export]
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macro_rules! cbor_null {
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( ) => {
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$crate::values::Value::Simple($crate::values::SimpleValue::NullValue)
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};
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}
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#[cfg(test)]
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macro_rules! cbor_undefined {
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( ) => {
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$crate::values::Value::Simple($crate::values::SimpleValue::Undefined)
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};
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}
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#[macro_export]
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macro_rules! cbor_bool {
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( $x:expr ) => {
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$crate::values::Value::bool_value($x)
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};
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}
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// For key types, we construct a KeyType and call .into(), which will automatically convert it to a
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// KeyType or a Value depending on the context.
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#[macro_export]
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macro_rules! cbor_unsigned {
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( $x:expr ) => {
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cbor_key_unsigned!($x).into()
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};
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}
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#[macro_export]
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macro_rules! cbor_int {
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( $x:expr ) => {
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cbor_key_int!($x).into()
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};
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}
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#[macro_export]
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macro_rules! cbor_text {
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( $x:expr ) => {
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cbor_key_text!($x).into()
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};
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}
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#[macro_export]
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macro_rules! cbor_bytes {
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( $x:expr ) => {
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cbor_key_bytes!($x).into()
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};
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}
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// Macro to use with a literal, e.g. cbor_bytes_lit!(b"foo")
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#[macro_export]
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macro_rules! cbor_bytes_lit {
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( $x:expr ) => {
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cbor_bytes!(($x as &[u8]).to_vec())
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};
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}
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// Some explicit macros are also available for contexts where the type is not explicit.
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#[macro_export]
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macro_rules! cbor_key_unsigned {
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( $x:expr ) => {
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$crate::values::KeyType::Unsigned($x)
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};
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}
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#[macro_export]
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macro_rules! cbor_key_int {
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( $x:expr ) => {
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$crate::values::KeyType::integer($x)
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};
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}
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#[macro_export]
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macro_rules! cbor_key_text {
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( $x:expr ) => {
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$crate::values::KeyType::TextString($x.into())
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};
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}
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#[macro_export]
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macro_rules! cbor_key_bytes {
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( $x:expr ) => {
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$crate::values::KeyType::ByteString($x)
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};
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}
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#[cfg(test)]
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mod test {
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use super::super::values::{KeyType, SimpleValue, Value};
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use alloc::collections::BTreeMap;
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#[test]
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fn test_cbor_simple_values() {
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assert_eq!(cbor_true!(), Value::Simple(SimpleValue::TrueValue));
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assert_eq!(cbor_false!(), Value::Simple(SimpleValue::FalseValue));
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assert_eq!(cbor_null!(), Value::Simple(SimpleValue::NullValue));
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assert_eq!(cbor_undefined!(), Value::Simple(SimpleValue::Undefined));
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}
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#[test]
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fn test_cbor_bool() {
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assert_eq!(cbor_bool!(true), Value::Simple(SimpleValue::TrueValue));
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assert_eq!(cbor_bool!(false), Value::Simple(SimpleValue::FalseValue));
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}
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#[test]
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fn test_cbor_int_unsigned() {
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assert_eq!(cbor_key_int!(0), KeyType::Unsigned(0));
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assert_eq!(cbor_key_int!(1), KeyType::Unsigned(1));
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assert_eq!(cbor_key_int!(123456), KeyType::Unsigned(123456));
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assert_eq!(
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cbor_key_int!(std::i64::MAX),
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KeyType::Unsigned(std::i64::MAX as u64)
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);
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}
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#[test]
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fn test_cbor_int_negative() {
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assert_eq!(cbor_key_int!(-1), KeyType::Negative(-1));
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assert_eq!(cbor_key_int!(-123456), KeyType::Negative(-123456));
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assert_eq!(
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cbor_key_int!(std::i64::MIN),
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KeyType::Negative(std::i64::MIN)
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);
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}
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#[test]
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fn test_cbor_int_literals() {
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let a = cbor_array![
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std::i64::MIN,
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std::i32::MIN,
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-123456,
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-1,
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0,
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1,
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123456,
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std::i32::MAX,
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std::i64::MAX,
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std::u64::MAX,
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];
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let b = Value::Array(vec![
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Value::KeyValue(KeyType::Negative(std::i64::MIN)),
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Value::KeyValue(KeyType::Negative(std::i32::MIN as i64)),
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Value::KeyValue(KeyType::Negative(-123456)),
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Value::KeyValue(KeyType::Negative(-1)),
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Value::KeyValue(KeyType::Unsigned(0)),
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Value::KeyValue(KeyType::Unsigned(1)),
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Value::KeyValue(KeyType::Unsigned(123456)),
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Value::KeyValue(KeyType::Unsigned(std::i32::MAX as u64)),
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Value::KeyValue(KeyType::Unsigned(std::i64::MAX as u64)),
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Value::KeyValue(KeyType::Unsigned(std::u64::MAX)),
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]);
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_array() {
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let a = cbor_array![
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-123,
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456,
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true,
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cbor_null!(),
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"foo",
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b"bar",
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cbor_array![],
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cbor_array![0, 1],
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cbor_map! {},
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cbor_map! {2 => 3},
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];
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let b = Value::Array(vec![
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Value::KeyValue(KeyType::Negative(-123)),
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Value::KeyValue(KeyType::Unsigned(456)),
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Value::Simple(SimpleValue::TrueValue),
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Value::Simple(SimpleValue::NullValue),
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Value::KeyValue(KeyType::TextString(String::from("foo"))),
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Value::KeyValue(KeyType::ByteString(b"bar".to_vec())),
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Value::Array(Vec::new()),
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Value::Array(vec![
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Value::KeyValue(KeyType::Unsigned(0)),
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Value::KeyValue(KeyType::Unsigned(1)),
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]),
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Value::Map(BTreeMap::new()),
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Value::Map(
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[(KeyType::Unsigned(2), Value::KeyValue(KeyType::Unsigned(3)))]
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.iter()
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.cloned()
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.collect(),
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),
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]);
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_array_vec_empty() {
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let a = cbor_array_vec!(Vec::<bool>::new());
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let b = Value::Array(Vec::new());
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_array_vec_int() {
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let a = cbor_array_vec!(vec![1, 2, 3, 4]);
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let b = Value::Array(vec![
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Value::KeyValue(KeyType::Unsigned(1)),
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Value::KeyValue(KeyType::Unsigned(2)),
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Value::KeyValue(KeyType::Unsigned(3)),
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Value::KeyValue(KeyType::Unsigned(4)),
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]);
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_array_vec_text() {
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let a = cbor_array_vec!(vec!["a", "b", "c"]);
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let b = Value::Array(vec![
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Value::KeyValue(KeyType::TextString(String::from("a"))),
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Value::KeyValue(KeyType::TextString(String::from("b"))),
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Value::KeyValue(KeyType::TextString(String::from("c"))),
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]);
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_array_vec_bytes() {
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let a = cbor_array_vec!(vec![b"a", b"b", b"c"]);
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let b = Value::Array(vec![
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Value::KeyValue(KeyType::ByteString(b"a".to_vec())),
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Value::KeyValue(KeyType::ByteString(b"b".to_vec())),
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Value::KeyValue(KeyType::ByteString(b"c".to_vec())),
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]);
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_map() {
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let a = cbor_map! {
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-1 => -23,
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4 => 56,
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"foo" => true,
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b"bar" => cbor_null!(),
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5 => "foo",
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6 => b"bar",
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7 => cbor_array![],
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8 => cbor_array![0, 1],
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9 => cbor_map!{},
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10 => cbor_map!{2 => 3},
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};
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let b = Value::Map(
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[
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(
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KeyType::Negative(-1),
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Value::KeyValue(KeyType::Negative(-23)),
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),
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(KeyType::Unsigned(4), Value::KeyValue(KeyType::Unsigned(56))),
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(
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KeyType::TextString(String::from("foo")),
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Value::Simple(SimpleValue::TrueValue),
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),
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(
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KeyType::ByteString(b"bar".to_vec()),
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Value::Simple(SimpleValue::NullValue),
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),
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(
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KeyType::Unsigned(5),
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Value::KeyValue(KeyType::TextString(String::from("foo"))),
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),
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(
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KeyType::Unsigned(6),
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Value::KeyValue(KeyType::ByteString(b"bar".to_vec())),
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),
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(KeyType::Unsigned(7), Value::Array(Vec::new())),
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(
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KeyType::Unsigned(8),
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Value::Array(vec![
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Value::KeyValue(KeyType::Unsigned(0)),
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Value::KeyValue(KeyType::Unsigned(1)),
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]),
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),
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(KeyType::Unsigned(9), Value::Map(BTreeMap::new())),
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(
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KeyType::Unsigned(10),
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Value::Map(
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[(KeyType::Unsigned(2), Value::KeyValue(KeyType::Unsigned(3)))]
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.iter()
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.cloned()
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.collect(),
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),
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),
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]
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.iter()
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.cloned()
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.collect(),
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);
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_map_options() {
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let a = cbor_map_options! {
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-1 => -23,
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4 => Some(56),
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11 => None::<String>,
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"foo" => true,
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12 => None::<&str>,
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b"bar" => Some(cbor_null!()),
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13 => None::<Vec<u8>>,
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5 => "foo",
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14 => None::<&[u8]>,
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6 => Some(b"bar" as &[u8]),
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15 => None::<bool>,
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7 => cbor_array![],
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16 => None::<i32>,
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8 => Some(cbor_array![0, 1]),
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17 => None::<i64>,
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9 => cbor_map!{},
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18 => None::<u64>,
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10 => Some(cbor_map!{2 => 3}),
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};
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let b = Value::Map(
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[
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(
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KeyType::Negative(-1),
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Value::KeyValue(KeyType::Negative(-23)),
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),
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(KeyType::Unsigned(4), Value::KeyValue(KeyType::Unsigned(56))),
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(
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KeyType::TextString(String::from("foo")),
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Value::Simple(SimpleValue::TrueValue),
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),
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(
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KeyType::ByteString(b"bar".to_vec()),
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Value::Simple(SimpleValue::NullValue),
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),
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(
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KeyType::Unsigned(5),
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Value::KeyValue(KeyType::TextString(String::from("foo"))),
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),
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(
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KeyType::Unsigned(6),
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Value::KeyValue(KeyType::ByteString(b"bar".to_vec())),
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),
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(KeyType::Unsigned(7), Value::Array(Vec::new())),
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(
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KeyType::Unsigned(8),
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Value::Array(vec![
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Value::KeyValue(KeyType::Unsigned(0)),
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Value::KeyValue(KeyType::Unsigned(1)),
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]),
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),
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(KeyType::Unsigned(9), Value::Map(BTreeMap::new())),
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(
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KeyType::Unsigned(10),
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Value::Map(
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[(KeyType::Unsigned(2), Value::KeyValue(KeyType::Unsigned(3)))]
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.iter()
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.cloned()
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.collect(),
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),
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),
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]
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.iter()
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.cloned()
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.collect(),
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);
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_map_btree_empty() {
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let a = cbor_map_btree!(BTreeMap::new());
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let b = Value::Map(BTreeMap::new());
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assert_eq!(a, b);
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}
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#[test]
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fn test_cbor_map_btree_foo() {
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let a = cbor_map_btree!(
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[(KeyType::Unsigned(2), Value::KeyValue(KeyType::Unsigned(3)))]
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.iter()
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.cloned()
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.collect()
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);
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let b = Value::Map(
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[(KeyType::Unsigned(2), Value::KeyValue(KeyType::Unsigned(3)))]
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.iter()
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.cloned()
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.collect(),
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);
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assert_eq!(a, b);
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}
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}
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