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use rmp_serde::Serializer;
use serde::Serialize;
#[test]
fn pass_unit_struct() {
#[derive(Serialize)]
struct Unit;
let mut buf = Vec::new();
Unit.serialize(&mut Serializer::new(&mut buf)).unwrap();
// Expect: [].
assert_eq!(vec![0x90], buf);
}
#[test]
fn pass_unit_variant() {
#[derive(Serialize)]
enum Enum {
V1,
V2,
}
let mut buf = Vec::new();
Enum::V1.serialize(&mut Serializer::new(&mut buf)).unwrap();
Enum::V2.serialize(&mut Serializer::new(&mut buf)).unwrap();
// Expect: "V1", "V2"
assert_eq!(vec![0xa2, 0x56, 0x31, 0xa2, 0x56, 0x32], buf);
}
#[test]
fn pass_newtype_struct() {
#[derive(Serialize)]
struct Struct(u64);
let val = Struct(42);
let mut buf = Vec::new();
val.serialize(&mut Serializer::new(&mut buf)).unwrap();
assert_eq!(vec![0x2a], buf);
}
#[test]
fn pass_newtype_variant() {
#[derive(Serialize)]
enum Enum {
V2(u64),
}
let mut buf = Vec::new();
Enum::V2(42).serialize(&mut Serializer::new(&mut buf)).unwrap();
// Expect: {"V2" => 42}
assert_eq!(buf, vec![0x81, 0xa2, 0x56, 0x32, 42]);
}
#[test]
fn pass_untagged_newtype_variant() {
#[derive(Serialize)]
#[serde(untagged)]
enum Enum1 {
A(u64),
B(Enum2),
}
#[derive(Serialize)]
enum Enum2 {
C,
}
let buf1 = rmp_serde::to_vec(&Enum1::A(123)).unwrap();
let buf2 = rmp_serde::to_vec(&Enum1::B(Enum2::C)).unwrap();
assert_eq!(buf1, [123]);
// Expect: "C"
assert_eq!(buf2, [0xa1, 0x43]);
}
#[test]
fn pass_tuple_struct() {
#[derive(Serialize)]
struct Struct(u32, u64);
let val = Struct(42, 100500);
let mut buf = Vec::new();
val.serialize(&mut Serializer::new(&mut buf)).unwrap();
// Expect: [42, 100500].
assert_eq!(vec![0x92, 0x2a, 0xce, 0x00, 0x01, 0x88, 0x94], buf);
}
#[test]
fn pass_tuple_variant() {
#[derive(Serialize)]
enum Enum {
V1,
V2(u32, u64),
}
let mut buf = Vec::new();
Enum::V1.serialize(&mut Serializer::new(&mut buf)).unwrap();
Enum::V2(42, 100500).serialize(&mut Serializer::new(&mut buf)).unwrap();
// Expect: {0 => nil} {1 => [42, 100500]}
// Expect: "V1", {"V2" => [42, 100500] }
assert_eq!(
vec![0xa2, 0x56, 0x31, 0x81, 0xa2, 0x56, 0x32, 0x92, 0x2a, 0xce, 0x0, 0x1, 0x88, 0x94],
buf
);
}
#[test]
fn pass_struct() {
#[derive(Serialize)]
struct Struct {
f1: u32,
f2: u32,
}
let val = Struct {
f1: 42,
f2: 100500,
};
let mut buf = Vec::new();
val.serialize(&mut Serializer::new(&mut buf)).unwrap();
// Expect: [42, 100500].
assert_eq!(vec![0x92, 0x2a, 0xce, 0x0, 0x1, 0x88, 0x94], buf);
}
#[test]
fn serialize_struct_variant() {
#[derive(Serialize)]
enum Enum {
V1 { f1: u32 },
V2 { f1: u32 },
}
let mut buf = Vec::new();
Enum::V1 { f1: 42 }.serialize(&mut Serializer::new(&mut buf)).unwrap();
Enum::V2 { f1: 43 }.serialize(&mut Serializer::new(&mut buf)).unwrap();
// Expect: { "V1" => [42] } { "V2" => [43] }
assert_eq!(
vec![0x81, 0xa2, 0x56, 0x31, 0x91, 0x2a, 0x81, 0xa2, 0x56, 0x32, 0x91, 0x2b],
buf
);
}
#[test]
fn serialize_struct_variant_as_map() {
#[derive(Serialize)]
enum Enum {
V1 { f1: u32 },
}
let mut se = Serializer::new(Vec::new()).with_struct_map();
Enum::V1 { f1: 42 }.serialize(&mut se).unwrap();
// Expect: {"V1" => {"f1": 42}}.
assert_eq!(
vec![0x81, 0xa2, 0x56, 0x31, 0x81, 0xa2, 0x66, 0x31, 0x2a],
se.into_inner()
);
}
#[test]
fn serialize_struct_with_flattened_map_field() {
use std::collections::BTreeMap;
#[derive(Serialize)]
struct Struct {
f1: u32,
// not flattend!
f2: BTreeMap<String, String>,
#[serde(flatten)]
f3: BTreeMap<String, String>,
}
let mut se = Serializer::new(Vec::new());
Struct {
f1: 0,
f2: {
let mut map = BTreeMap::new();
map.insert("german".to_string(), "Hallo Welt!".to_string());
map
},
f3: {
let mut map = BTreeMap::new();
map.insert("english".to_string(), "Hello World!".to_string());
map
},
}
.serialize(&mut se).unwrap();
// Expect: { "f1": 0, "f2": { "german": "Hallo Welt!" }, "english": "Hello World!" }.
assert_eq!(
vec![
0x83, 0xA2, 0x66, 0x31, 0x00, 0xA2, 0x66, 0x32, 0x81, 0xA6, 0x67, 0x65, 0x72, 0x6D, 0x61, 0x6E, 0xAB,
0x48, 0x61, 0x6C, 0x6C, 0x6F, 0x20, 0x57, 0x65, 0x6C, 0x74, 0x21, 0xA7, 0x65, 0x6E, 0x67, 0x6C, 0x69,
0x73, 0x68, 0xAC, 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x57, 0x6F, 0x72, 0x6C, 0x64, 0x21,
],
se.into_inner()
);
}
#[test]
fn serialize_struct_with_flattened_struct_field() {
#[derive(Serialize)]
struct Struct {
f1: u32,
// not flattend!
f2: InnerStruct,
#[serde(flatten)]
f3: InnerStruct,
}
#[derive(Serialize)]
struct InnerStruct {
f4: u32,
f5: u32,
}
let strct = Struct {
f1: 0,
f2: InnerStruct { f4: 8, f5: 13 },
f3: InnerStruct { f4: 21, f5: 34 },
};
// struct-as-tuple
{
let mut se = Serializer::new(Vec::new());
strct.serialize(&mut se).unwrap();
// Expect: { "f1": 0, "f2": [8, 13], "f4": 21, "f5": 34 }.
assert_eq!(vec![
0x84, 0xA2, 0x66, 0x31, 0x00, 0xA2, 0x66, 0x32, 0x92, 0x08, 0x0D, 0xA2, 0x66, 0x34, 0x15, 0xA2, 0x66, 0x35, 0x22,
],
se.into_inner());
}
// struct-as-map
{
let mut se = Serializer::new(Vec::new()).with_struct_map();
strct.serialize(&mut se).unwrap();
// Expect: { "f1": 0, "f2": { "f4": 8, "f5": 13 }, "f4": 21, "f5": 34 }.
assert_eq!(
vec![
0x84, 0xA2, 0x66, 0x31, 0x00, 0xA2, 0x66, 0x32, 0x82, 0xA2, 0x66, 0x34, 0x08,
0xA2, 0x66, 0x35, 0x0D, 0xA2, 0x66, 0x34, 0x15, 0xA2, 0x66, 0x35, 0x22,
],
se.into_inner()
);
}
}
#[test]
fn pass_struct_as_map_using_ext() {
#[derive(Serialize)]
struct Dog<'a> {
name: &'a str,
age: u16,
}
let dog = Dog {
name: "Bobby",
age: 8,
};
let mut se = Serializer::new(Vec::new()).with_struct_map();
dog.serialize(&mut se).unwrap();
// Expect: {"name": "Bobby", "age": 8}.
assert_eq!(vec![0x82, 0xa4, 0x6e, 0x61, 0x6d, 0x65, 0xa5, 0x42, 0x6f, 0x62, 0x62, 0x79, 0xa3, 0x61, 0x67, 0x65, 0x08],
se.into_inner());
}
#[test]
fn pass_struct_as_tuple_using_double_ext() {
#[derive(Serialize)]
struct Dog<'a> {
name: &'a str,
age: u16,
}
let dog = Dog {
name: "Bobby",
age: 8,
};
let mut se = Serializer::new(Vec::new())
.with_struct_map()
.with_struct_tuple();
dog.serialize(&mut se).unwrap();
assert_eq!(vec![0x92, 0xa5, 0x42, 0x6f, 0x62, 0x62, 0x79, 0x08],
se.into_inner());
}
#[test]
fn pass_struct_as_map_using_triple_ext() {
#[derive(Serialize)]
struct Dog<'a> {
name: &'a str,
age: u16,
}
let dog = Dog {
name: "Bobby",
age: 8,
};
let mut se = Serializer::new(Vec::new())
.with_struct_map()
.with_struct_tuple()
.with_struct_map();
dog.serialize(&mut se).unwrap();
// Expect: {"name": "Bobby", "age": 8}.
assert_eq!(vec![0x82, 0xa4, 0x6e, 0x61, 0x6d, 0x65, 0xa5, 0x42, 0x6f, 0x62, 0x62, 0x79, 0xa3, 0x61, 0x67, 0x65, 0x08],
se.into_inner());
}
#[test]
fn pass_struct_as_map_using_triple_ext_many_times() {
#[derive(Serialize)]
struct Dog<'a> {
name: &'a str,
age: u16,
}
let dog = Dog {
name: "Bobby",
age: 8,
};
let mut se = Serializer::new(Vec::new())
.with_struct_map()
.with_struct_tuple()
.with_struct_map()
.with_struct_map()
.with_struct_map()
.with_struct_map();
dog.serialize(&mut se).unwrap();
// Expect: {"name": "Bobby", "age": 8}.
assert_eq!(vec![0x82, 0xa4, 0x6e, 0x61, 0x6d, 0x65, 0xa5, 0x42, 0x6f, 0x62, 0x62, 0x79, 0xa3, 0x61, 0x67, 0x65, 0x08],
se.into_inner());
}