From afb8ab448949eb19e09e1bdb4b263dc487a9be21 Mon Sep 17 00:00:00 2001
From: Igor Tolmachev <me@igorek.dev>
Date: Fri, 21 Jun 2024 02:11:16 +0900
Subject: Implement deserialize

Remove bincode crate and replace it by own written serializer
---
 src/structs/tests.rs | 95 +++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 79 insertions(+), 16 deletions(-)

(limited to 'src/structs/tests.rs')

diff --git a/src/structs/tests.rs b/src/structs/tests.rs
index 0fa5347..9ee7ce5 100644
--- a/src/structs/tests.rs
+++ b/src/structs/tests.rs
@@ -1,27 +1,26 @@
 use crate::structs::{ByteOrder, Settings, VariantIndexType};
-use serde::Serialize;
+use serde::{Deserialize, Serialize};
 
-#[derive(Serialize)]
-struct Struct<'a> {
+#[derive(Serialize, Deserialize, Debug, PartialEq)]
+struct Struct {
     u8: u8,
     u16: u16,
     u32: u32,
     u64: u64,
     u8arr: [u8; 3],
     tuple: (u16, u8),
-    str: &'a str,
 }
 
-#[derive(Serialize)]
-enum Enum<'a> {
+#[derive(Serialize, Deserialize, Debug, PartialEq)]
+enum Enum {
     Unit,
     Type(u16),
-    Tuple(u16, &'a str),
+    Tuple(u16, u8),
     Struct { u32: u32, u64: u64 },
 }
 
 #[test]
-fn struct_serialize_test() {
+fn struct_serialize() {
     let object = Struct {
         u8: 42,
         u16: 26,
@@ -29,7 +28,6 @@ fn struct_serialize_test() {
         u64: 11,
         u8arr: [37, 74, 111],
         tuple: (24, 13),
-        str: "yes",
     };
 
     let bytes = Settings::default()
@@ -38,8 +36,7 @@ fn struct_serialize_test() {
         .unwrap();
     assert_eq!(
         bytes,
-        //u8|-u16--|----u32-----|----------u64-----------|[0]-[1]--[2]|.0 --.1---|-y----e----s|
-        [42, 26, 0, 69, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 37, 74, 111, 24, 0, 13, 121, 101, 115]
+        [42, 26, 0, 69, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 37, 74, 111, 24, 0, 13]
     );
 
     let bytes = Settings::default()
@@ -48,13 +45,12 @@ fn struct_serialize_test() {
         .unwrap();
     assert_eq!(
         bytes,
-        //u8|-u16--|----u32-----|----------u64-----------|[0]-[1]--[2]|.0 --.1---|-y----e----s|
-        [42, 0, 26, 0, 0, 0, 69, 0, 0, 0, 0, 0, 0, 0, 11, 37, 74, 111, 0, 24, 13, 121, 101, 115]
+        [42, 0, 26, 0, 0, 0, 69, 0, 0, 0, 0, 0, 0, 0, 11, 37, 74, 111, 0, 24, 13]
     );
 }
 
 #[test]
-fn enum_serialize_test() {
+fn enum_serialize() {
     let bytes = Settings::default()
         .byte_order(ByteOrder::Le)
         .variant_index_type(VariantIndexType::U8)
@@ -72,9 +68,9 @@ fn enum_serialize_test() {
     let bytes = Settings::default()
         .byte_order(ByteOrder::Le)
         .variant_index_type(VariantIndexType::U32)
-        .serialize(&Enum::Tuple(26, "yes"))
+        .serialize(&Enum::Tuple(26, 15))
         .unwrap();
-    assert_eq!(bytes, [2, 0, 0, 0, 26, 0, 121, 101, 115]);
+    assert_eq!(bytes, [2, 0, 0, 0, 26, 0, 15]);
 
     let bytes = Settings::default()
         .byte_order(ByteOrder::Be)
@@ -86,3 +82,70 @@ fn enum_serialize_test() {
         [0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 69, 0, 0, 0, 0, 0, 0, 0, 37]
     );
 }
+
+#[test]
+fn struct_deserialize() {
+    let object = Struct {
+        u8: 42,
+        u16: 26,
+        u32: 69,
+        u64: 11,
+        u8arr: [37, 74, 111],
+        tuple: (24, 13),
+    };
+
+    assert_eq!(
+        Settings::default()
+            .byte_order(ByteOrder::Le)
+            .deserialize::<Struct>(&[
+                42, 26, 0, 69, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 37, 74, 111, 24, 0, 13,
+            ])
+            .unwrap(),
+        object
+    );
+    assert_eq!(
+        Settings::default()
+            .byte_order(ByteOrder::Be)
+            .deserialize::<Struct>(&[
+                42, 0, 26, 0, 0, 0, 69, 0, 0, 0, 0, 0, 0, 0, 11, 37, 74, 111, 0, 24, 13
+            ])
+            .unwrap(),
+        object
+    );
+}
+
+#[test]
+fn enum_deserialize() {
+    assert_eq!(
+        Settings::default()
+            .byte_order(ByteOrder::Le)
+            .variant_index_type(VariantIndexType::U8)
+            .deserialize::<Enum>(&[0])
+            .unwrap(),
+        Enum::Unit
+    );
+    assert_eq!(
+        Settings::default()
+            .byte_order(ByteOrder::Le)
+            .variant_index_type(VariantIndexType::U16)
+            .deserialize::<Enum>(&[1, 0, 42, 0])
+            .unwrap(),
+        Enum::Type(42)
+    );
+    assert_eq!(
+        Settings::default()
+            .byte_order(ByteOrder::Le)
+            .variant_index_type(VariantIndexType::U32)
+            .deserialize::<Enum>(&[2, 0, 0, 0, 26, 0, 15])
+            .unwrap(),
+        Enum::Tuple(26, 15)
+    );
+    assert_eq!(
+        Settings::default()
+            .byte_order(ByteOrder::Be)
+            .variant_index_type(VariantIndexType::U64)
+            .deserialize::<Enum>(&[0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 69, 0, 0, 0, 0, 0, 0, 0, 37])
+            .unwrap(),
+        Enum::Struct { u32: 69, u64: 37 }
+    );
+}
-- 
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