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Add test for enums containing enums

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Fixes #775.
This commit is contained in:
David Tolnay 2017-02-24 13:48:03 -08:00
parent 5fbdadefb2
commit d4ea4a7eef
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1 changed files with 153 additions and 0 deletions
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153
test_suite/tests/test_macros.rs
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@ -1069,3 +1069,156 @@ fn test_adjacently_tagged_enum() {
]
);
}
#[test]
fn test_enum_in_internally_tagged_enum() {
#[derive(Debug, PartialEq, Serialize, Deserialize)]
#[serde(tag = "type")]
enum Outer {
Inner(Inner),
}
#[derive(Debug, PartialEq, Serialize, Deserialize)]
enum Inner {
Unit,
Newtype(u8),
Tuple(u8, u8),
Struct { f: u8 },
}
assert_tokens(
&Outer::Inner(Inner::Unit),
&[
Token::MapStart(Some(2)),
Token::MapSep,
Token::Str("type"),
Token::Str("Inner"),
Token::MapSep,
Token::Str("Unit"),
Token::Unit,
Token::MapEnd,
]
);
assert_tokens(
&Outer::Inner(Inner::Newtype(1)),
&[
Token::MapStart(Some(2)),
Token::MapSep,
Token::Str("type"),
Token::Str("Inner"),
Token::MapSep,
Token::Str("Newtype"),
Token::U8(1),
Token::MapEnd,
]
);
assert_tokens(
&Outer::Inner(Inner::Tuple(1, 1)),
&[
Token::MapStart(Some(2)),
Token::MapSep,
Token::Str("type"),
Token::Str("Inner"),
Token::MapSep,
Token::Str("Tuple"),
Token::TupleStructStart("Tuple", 2),
Token::TupleStructSep,
Token::U8(1),
Token::TupleStructSep,
Token::U8(1),
Token::TupleStructEnd,
Token::MapEnd,
]
);
assert_tokens(
&Outer::Inner(Inner::Struct { f: 1 }),
&[
Token::MapStart(Some(2)),
Token::MapSep,
Token::Str("type"),
Token::Str("Inner"),
Token::MapSep,
Token::Str("Struct"),
Token::StructStart("Struct", 1),
Token::StructSep,
Token::Str("f"),
Token::U8(1),
Token::StructEnd,
Token::MapEnd,
]
);
}
#[test]
fn test_enum_in_untagged_enum() {
#[derive(Debug, PartialEq, Serialize, Deserialize)]
#[serde(untagged)]
enum Outer {
Inner(Inner),
}
#[derive(Debug, PartialEq, Serialize, Deserialize)]
enum Inner {
Unit,
Newtype(u8),
Tuple(u8, u8),
Struct { f: u8 },
}
assert_tokens(
&Outer::Inner(Inner::Unit),
&[
Token::EnumUnit("Inner", "Unit"),
]
);
assert_tokens(
&Outer::Inner(Inner::Newtype(1)),
&[
Token::EnumNewType("Inner", "Newtype"),
Token::U8(1),
]
);
assert_tokens(
&Outer::Inner(Inner::Tuple(1, 1)),
&[
Token::EnumSeqStart("Inner", "Tuple", 2),
Token::EnumSeqSep,
Token::U8(1),
Token::EnumSeqSep,
Token::U8(1),
Token::EnumSeqEnd,
]
);
assert_tokens(
&Outer::Inner(Inner::Struct { f: 1 }),
&[
Token::EnumMapStart("Inner", "Struct", 1),
Token::EnumMapSep,
Token::Str("f"),
Token::U8(1),
Token::EnumMapEnd,
]
);
}