Merge pull request #1918 from Mingun/fix-serde-test

Fix incorrect message in serializer tokens and correctly implement next_entry_seed
This commit is contained in:
David Tolnay 2021-01-23 15:02:32 -08:00 committed by GitHub
commit fa6712d2bf
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 13 deletions

View File

@ -777,6 +777,17 @@ macro_rules! impl_deserializer {
{
self.0.next_value_seed($wrapper(seed))
}
fn next_entry_seed<K, V>(
&mut self,
kseed: K,
vseed: V,
) -> Result<Option<(K::Value, V::Value)>, D::Error>
where
K: DeserializeSeed<'de>,
V: DeserializeSeed<'de>,
{
self.0.next_entry_seed($wrapper(kseed), $wrapper(vseed))
}
fn size_hint(&self) -> Option<usize> {
self.0.size_hint()
}

View File

@ -32,18 +32,18 @@ impl<'a> Serializer<'a> {
}
macro_rules! assert_next_token {
($ser:expr, $expected:ident) => {
assert_next_token!($ser, stringify!($expected), Token::$expected, true);
($ser:expr, $actual:ident) => {
assert_next_token!($ser, stringify!($actual), Token::$actual, true);
};
($ser:expr, $expected:ident($v:expr)) => {
($ser:expr, $actual:ident($v:expr)) => {
assert_next_token!(
$ser,
format_args!(concat!(stringify!($expected), "({:?})"), $v),
Token::$expected(v),
format_args!(concat!(stringify!($actual), "({:?})"), $v),
Token::$actual(v),
v == $v
);
};
($ser:expr, $expected:ident { $($k:ident),* }) => {
($ser:expr, $actual:ident { $($k:ident),* }) => {
let compare = ($($k,)*);
let field_format = || {
use std::fmt::Write;
@ -55,21 +55,21 @@ macro_rules! assert_next_token {
};
assert_next_token!(
$ser,
format_args!(concat!(stringify!($expected), " {{ {}}}"), field_format()),
Token::$expected { $($k),* },
format_args!(concat!(stringify!($actual), " {{ {}}}"), field_format()),
Token::$actual { $($k),* },
($($k,)*) == compare
);
};
($ser:expr, $expected:expr, $pat:pat, $guard:expr) => {
($ser:expr, $actual:expr, $pat:pat, $guard:expr) => {
match $ser.next_token() {
Some($pat) if $guard => {}
Some(other) => {
Some(expected) => {
panic!("expected Token::{} but serialized as {}",
$expected, other);
expected, $actual);
}
None => {
panic!("expected Token::{} after end of serialized tokens",
$expected);
panic!("expected end of tokens, but {} was serialized",
$actual);
}
}
};