msgpack: test the msgpack serialization engines

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/tests/sav/nitce/test_msgpack_deserialization_alt2.res b/tests/sav/nitce/test_msgpack_deserialization_alt2.res
new file mode 100644 (file)
index 0000000..21e30b8
--- /dev/null
+++ b/tests/sav/nitce/test_msgpack_deserialization_alt2.res
@@ -0,0 +1,170 @@
+# 1. Nit source:
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 2. MsgPack:
+\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+{
+       "b": true,
+       "c": "a",
+       "f": 0.123,
+       "i": 1234,
+       "serialization_specific_name": "asdf",
+       "n": null
+}
+
+# 4. Back in Nit (no metadata):
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 1. Nit source:
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 2. MsgPack:
+\x88\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72
+
+# 3. JSON:
+{
+       "b": false,
+       "c": "b",
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "hjkl",
+       "n": 12,
+       "ii": 1111,
+       "ss": "qwer"
+}
+
+# 4. Back in Nit (no metadata):
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 1. Nit source:
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 2. MsgPack:
+\x83\xA1\x61\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0\xA1\x62\x88\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72\xA2\x61\x61\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+{
+       "a": {
+               "b": true,
+               "c": "a",
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       },
+       "b": {
+               "b": false,
+               "c": "b",
+               "f": 123.123,
+               "i": 2345,
+               "serialization_specific_name": "hjkl",
+               "n": 12,
+               "ii": 1111,
+               "ss": "qwer"
+       },
+       "aa": {
+               "b": true,
+               "c": "a",
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       }
+}
+
+# 4. Back in Nit (no metadata):
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+Serialization warning: Cycle detected in serialized object, replacing reference with 'null'.
+# 1. Nit source:
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 2. MsgPack:
+\x89\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xAE\x6E\x65\x77\x20\x6C\x69\x6E\x65\x20\x2D\x3E\x0A\x3C\x2D\xA1\x6E\xC0\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA6\x09\x66\x22\x0D\x5C\x2F\xA1\x64\xC0
+
+# 3. JSON:
+{
+       "b": false,
+       "c": "b",
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "new line ->\n<-",
+       "n": null,
+       "ii": 1111,
+       "ss": "\tf\"\r\\/",
+       "d": null
+}
+
+# 4. Back in Nit (no metadata):
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> false>
+
+# 1. Nit source:
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 2. MsgPack:
+\x82\xA1\x61\x93\xA5\x68\x65\x6C\x6C\x6F\xCD\x04\xD2\xCB\x40\x5E\xD9\x99\x99\x99\x99\x9A\xA1\x62\x93\xA5\x68\x65\x6C\x6C\x61\xCD\x09\x29\xCB\x40\x6D\x50\x00\x00\x00\x00\x00
+
+# 3. JSON:
+{
+       "a": ["hello", 1234, 123.4],
+       "b": ["hella", 2345, 234.5]
+}
+
+# 4. Back in Nit (no metadata):
+<E: a: ; b: >
+
+# 1. Nit source:
+<F: 2222>
+
+# 2. MsgPack:
+\x81\xA1\x6E\xCD\x08\xAE
+
+# 3. JSON:
+{
+       "n": 2222
+}
+
+# 4. Back in Nit (no metadata):
+null
+
+# 1. Nit source:
+<F: 33.33>
+
+# 2. MsgPack:
+\x81\xA1\x6E\xCB\x40\x40\xAA\x3D\x70\xA3\xD7\x0A
+
+# 3. JSON:
+{
+       "n": 33.33
+}
+
+# 4. Back in Nit (no metadata):
+null
+
+# 1. Nit source:
+<G: hs: -1, 0; s: one, two; hm: one. 1, two. 2; am: three. 3, four. 4>
+
+# 2. MsgPack:
+\x84\xA2\x68\x73\x92\xFF\x00\xA1\x73\x92\xA3\x6F\x6E\x65\xA3\x74\x77\x6F\xA2\x68\x6D\x82\xA3\x6F\x6E\x65\x01\xA3\x74\x77\x6F\x02\xA2\x61\x6D\x82\xA5\x74\x68\x72\x65\x65\xA1\x33\xA4\x66\x6F\x75\x72\xA1\x34
+
+# 3. JSON:
+{
+       "hs": [-1, 0],
+       "s": ["one", "two"],
+       "hm": {
+               "one": 1,
+               "two": 2
+       },
+       "am": {
+               "three": "3",
+               "four": "4"
+       }
+}
+
+# 4. Back in Nit (no metadata):
+<G: hs: ; s: ; hm: one. 1, two. 2; am: three. 3, four. 4>
+

diff --git a/tests/sav/nitce/test_msgpack_deserialization_alt3.res b/tests/sav/nitce/test_msgpack_deserialization_alt3.res
new file mode 100644 (file)
index 0000000..8cd614f
--- /dev/null
+++ b/tests/sav/nitce/test_msgpack_deserialization_alt3.res
@@ -0,0 +1,231 @@
+# 1. Nit source:
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x41\x86\xA1\x62\xC3\xA1\x63\xD4\x7C\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "A", {
+       "b": true,
+       "c": {
+               "typ": 124,
+               "data": [97]
+       },
+       "f": 0.123,
+       "i": 1234,
+       "serialization_specific_name": "asdf",
+       "n": null
+}]
+
+# 4. Back in Nit (with metadata):
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 1. Nit source:
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x42\x88\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "B", {
+       "b": false,
+       "c": {
+               "typ": 124,
+               "data": [98]
+       },
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "hjkl",
+       "n": 12,
+       "ii": 1111,
+       "ss": "qwer"
+}]
+
+# 4. Back in Nit (with metadata):
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 1. Nit source:
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x43\x83\xA1\x61\x93\xD4\x7B\x01\xA1\x41\x86\xA1\x62\xC3\xA1\x63\xD4\x7C\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0\xA1\x62\x93\xD4\x7B\x02\xA1\x42\x88\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72\xA2\x61\x61\xD4\x7D\x01
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "C", {
+       "a": [{
+               "typ": 123,
+               "data": [1]
+       }, "A", {
+               "b": true,
+               "c": {
+                       "typ": 124,
+                       "data": [97]
+               },
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       }],
+       "b": [{
+               "typ": 123,
+               "data": [2]
+       }, "B", {
+               "b": false,
+               "c": {
+                       "typ": 124,
+                       "data": [98]
+               },
+               "f": 123.123,
+               "i": 2345,
+               "serialization_specific_name": "hjkl",
+               "n": 12,
+               "ii": 1111,
+               "ss": "qwer"
+       }],
+       "aa": {
+               "typ": 125,
+               "data": [1]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 1. Nit source:
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x44\x89\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xAE\x6E\x65\x77\x20\x6C\x69\x6E\x65\x20\x2D\x3E\x0A\x3C\x2D\xA1\x6E\xC0\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA6\x09\x66\x22\x0D\x5C\x2F\xA1\x64\xD4\x7D\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "D", {
+       "b": false,
+       "c": {
+               "typ": 124,
+               "data": [98]
+       },
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "new line ->\n<-",
+       "n": null,
+       "ii": 1111,
+       "ss": "\tf\"\r\\/",
+       "d": {
+               "typ": 125,
+               "data": [0]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 1. Nit source:
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x45\x82\xA1\x61\x93\xD4\x7B\x01\xA5\x41\x72\x72\x61\x79\x93\xA5\x68\x65\x6C\x6C\x6F\xCD\x04\xD2\xCB\x40\x5E\xD9\x99\x99\x99\x99\x9A\xA1\x62\x93\xD4\x7B\x02\xA5\x41\x72\x72\x61\x79\x93\xA5\x68\x65\x6C\x6C\x61\xCD\x09\x29\xCB\x40\x6D\x50\x00\x00\x00\x00\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "E", {
+       "a": [{
+               "typ": 123,
+               "data": [1]
+       }, "Array", ["hello", 1234, 123.4]],
+       "b": [{
+               "typ": 123,
+               "data": [2]
+       }, "Array", ["hella", 2345, 234.5]]
+}]
+
+# 4. Back in Nit (with metadata):
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 1. Nit source:
+<F: 2222>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x46\x81\xA1\x6E\xCD\x08\xAE
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "F", {
+       "n": 2222
+}]
+
+# 4. Back in Nit (with metadata):
+null
+
+# 1. Nit source:
+<F: 33.33>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x46\x81\xA1\x6E\xCB\x40\x40\xAA\x3D\x70\xA3\xD7\x0A
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "F", {
+       "n": 33.33
+}]
+
+# 4. Back in Nit (with metadata):
+null
+
+# 1. Nit source:
+<G: hs: -1, 0; s: one, two; hm: one. 1, two. 2; am: three. 3, four. 4>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x47\x84\xA2\x68\x73\x93\xD4\x7B\x01\xA7\x48\x61\x73\x68\x53\x65\x74\x92\xFF\x00\xA1\x73\x93\xD4\x7B\x02\xA8\x41\x72\x72\x61\x79\x53\x65\x74\x92\xA3\x6F\x6E\x65\xA3\x74\x77\x6F\xA2\x68\x6D\x93\xD4\x7B\x03\xA7\x48\x61\x73\x68\x4D\x61\x70\x82\xA3\x6F\x6E\x65\x01\xA3\x74\x77\x6F\x02\xA2\x61\x6D\x93\xD4\x7B\x04\xA8\x41\x72\x72\x61\x79\x4D\x61\x70\x82\xA5\x74\x68\x72\x65\x65\xA1\x33\xA4\x66\x6F\x75\x72\xA1\x34
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "G", {
+       "hs": [{
+               "typ": 123,
+               "data": [1]
+       }, "HashSet", [-1, 0]],
+       "s": [{
+               "typ": 123,
+               "data": [2]
+       }, "ArraySet", ["one", "two"]],
+       "hm": [{
+               "typ": 123,
+               "data": [3]
+       }, "HashMap", {
+               "one": 1,
+               "two": 2
+       }],
+       "am": [{
+               "typ": 123,
+               "data": [4]
+       }, "ArrayMap", {
+               "three": "3",
+               "four": "4"
+       }]
+}]
+
+# 4. Back in Nit (with metadata):
+<G: hs: ; s: ; hm: ; am: >
+

diff --git a/tests/sav/nitce/test_msgpack_deserialization_alt4.res b/tests/sav/nitce/test_msgpack_deserialization_alt4.res
new file mode 100644 (file)
index 0000000..a05f017
--- /dev/null
+++ b/tests/sav/nitce/test_msgpack_deserialization_alt4.res
@@ -0,0 +1,279 @@
+# 1. Nit source:
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x41\x86\x92\xD4\x7B\x02\xA1\x62\xC3\x92\xD4\x7B\x03\xA1\x63\xD4\x7C\x61\x92\xD4\x7B\x04\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\x92\xD4\x7B\x05\xA1\x69\xCD\x04\xD2\x92\xD4\x7B\x06\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\x92\xD4\x7B\x07\xA1\x6E\xC0
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "A"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,b]": true,
+       "[<MsgPackExt typ: 0x7b, data: \\x03>,c]": {
+               "typ": 124,
+               "data": [97]
+       },
+       "[<MsgPackExt typ: 0x7b, data: \\x04>,f]": 0.123,
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,i]": 1234,
+       "[<MsgPackExt typ: 0x7b, data: \\x06>,serialization_specific_name]": "asdf",
+       "[<MsgPackExt typ: 0x7b, data: \\x07>,n]": null
+}]
+
+# 4. Back in Nit (with metadata):
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 1. Nit source:
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x42\x88\x92\xD4\x7B\x02\xA1\x62\xC2\x92\xD4\x7B\x03\xA1\x63\xD4\x7C\x62\x92\xD4\x7B\x04\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\x92\xD4\x7B\x05\xA1\x69\xCD\x09\x29\x92\xD4\x7B\x06\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\x92\xD4\x7B\x07\xA1\x6E\x0C\x92\xD4\x7B\x08\xA2\x69\x69\xCD\x04\x57\x92\xD4\x7B\x09\xA2\x73\x73\xA4\x71\x77\x65\x72
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "B"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,b]": false,
+       "[<MsgPackExt typ: 0x7b, data: \\x03>,c]": {
+               "typ": 124,
+               "data": [98]
+       },
+       "[<MsgPackExt typ: 0x7b, data: \\x04>,f]": 123.123,
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,i]": 2345,
+       "[<MsgPackExt typ: 0x7b, data: \\x06>,serialization_specific_name]": "hjkl",
+       "[<MsgPackExt typ: 0x7b, data: \\x07>,n]": 12,
+       "[<MsgPackExt typ: 0x7b, data: \\x08>,ii]": 1111,
+       "[<MsgPackExt typ: 0x7b, data: \\x09>,ss]": "qwer"
+}]
+
+# 4. Back in Nit (with metadata):
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 1. Nit source:
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x43\x83\x92\xD4\x7B\x02\xA1\x61\x93\xD4\x7B\x03\x92\xD4\x7B\x04\xA1\x41\x86\x92\xD4\x7B\x05\xA1\x62\xC3\x92\xD4\x7B\x06\xA1\x63\xD4\x7C\x61\x92\xD4\x7B\x07\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\x92\xD4\x7B\x08\xA1\x69\xCD\x04\xD2\x92\xD4\x7B\x09\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\x92\xD4\x7B\x0A\xA1\x6E\xC0\xD4\x7D\x05\x93\xD4\x7B\x0B\x92\xD4\x7B\x0C\xA1\x42\x88\xD4\x7D\x05\xC2\xD4\x7D\x06\xD4\x7C\x62\xD4\x7D\x07\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xD4\x7D\x08\xCD\x09\x29\xD4\x7D\x09\xA4\x68\x6A\x6B\x6C\xD4\x7D\x0A\x0C\x92\xD4\x7B\x0D\xA2\x69\x69\xCD\x04\x57\x92\xD4\x7B\x0E\xA2\x73\x73\xA4\x71\x77\x65\x72\x92\xD4\x7B\x0F\xA2\x61\x61\xD4\x7D\x03
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "C"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,a]": [{
+               "typ": 123,
+               "data": [3]
+       }, [{
+               "typ": 123,
+               "data": [4]
+       }, "A"], {
+               "[<MsgPackExt typ: 0x7b, data: \\x05>,b]": true,
+               "[<MsgPackExt typ: 0x7b, data: \\x06>,c]": {
+                       "typ": 124,
+                       "data": [97]
+               },
+               "[<MsgPackExt typ: 0x7b, data: \\x07>,f]": 0.123,
+               "[<MsgPackExt typ: 0x7b, data: \\x08>,i]": 1234,
+               "[<MsgPackExt typ: 0x7b, data: \\x09>,serialization_specific_name]": "asdf",
+               "[<MsgPackExt typ: 0x7b, data: \\x0A>,n]": null
+       }],
+       "<MsgPackExt typ: 0x7d, data: \\x05>": [{
+               "typ": 123,
+               "data": [11]
+       }, [{
+               "typ": 123,
+               "data": [12]
+       }, "B"], {
+               "<MsgPackExt typ: 0x7d, data: \\x05>": false,
+               "<MsgPackExt typ: 0x7d, data: \\x06>": {
+                       "typ": 124,
+                       "data": [98]
+               },
+               "<MsgPackExt typ: 0x7d, data: \\x07>": 123.123,
+               "<MsgPackExt typ: 0x7d, data: \\x08>": 2345,
+               "<MsgPackExt typ: 0x7d, data: \\x09>": "hjkl",
+               "<MsgPackExt typ: 0x7d, data: \\x0A>": 12,
+               "[<MsgPackExt typ: 0x7b, data: \\x0D>,ii]": 1111,
+               "[<MsgPackExt typ: 0x7b, data: \\x0E>,ss]": "qwer"
+       }],
+       "[<MsgPackExt typ: 0x7b, data: \\x0F>,aa]": {
+               "typ": 125,
+               "data": [3]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 1. Nit source:
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x44\x89\x92\xD4\x7B\x02\xA1\x62\xC2\x92\xD4\x7B\x03\xA1\x63\xD4\x7C\x62\x92\xD4\x7B\x04\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\x92\xD4\x7B\x05\xA1\x69\xCD\x09\x29\x92\xD4\x7B\x06\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xAE\x6E\x65\x77\x20\x6C\x69\x6E\x65\x20\x2D\x3E\x0A\x3C\x2D\x92\xD4\x7B\x07\xA1\x6E\xC0\x92\xD4\x7B\x08\xA2\x69\x69\xCD\x04\x57\x92\xD4\x7B\x09\xA2\x73\x73\xA6\x09\x66\x22\x0D\x5C\x2F\x92\xD4\x7B\x0A\xA1\x64\xD4\x7D\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "D"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,b]": false,
+       "[<MsgPackExt typ: 0x7b, data: \\x03>,c]": {
+               "typ": 124,
+               "data": [98]
+       },
+       "[<MsgPackExt typ: 0x7b, data: \\x04>,f]": 123.123,
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,i]": 2345,
+       "[<MsgPackExt typ: 0x7b, data: \\x06>,serialization_specific_name]": "new line ->\n<-",
+       "[<MsgPackExt typ: 0x7b, data: \\x07>,n]": null,
+       "[<MsgPackExt typ: 0x7b, data: \\x08>,ii]": 1111,
+       "[<MsgPackExt typ: 0x7b, data: \\x09>,ss]": "\tf\"\r\\/",
+       "[<MsgPackExt typ: 0x7b, data: \\x0A>,d]": {
+               "typ": 125,
+               "data": [0]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 1. Nit source:
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x45\x82\x92\xD4\x7B\x02\xA1\x61\x93\xD4\x7B\x03\x92\xD4\x7B\x04\xA5\x41\x72\x72\x61\x79\x93\xA5\x68\x65\x6C\x6C\x6F\xCD\x04\xD2\xCB\x40\x5E\xD9\x99\x99\x99\x99\x9A\x92\xD4\x7B\x05\xA1\x62\x93\xD4\x7B\x06\xD4\x7D\x04\x93\xA5\x68\x65\x6C\x6C\x61\xCD\x09\x29\xCB\x40\x6D\x50\x00\x00\x00\x00\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "E"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,a]": [{
+               "typ": 123,
+               "data": [3]
+       }, [{
+               "typ": 123,
+               "data": [4]
+       }, "Array"], ["hello", 1234, 123.4]],
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,b]": [{
+               "typ": 123,
+               "data": [6]
+       }, {
+               "typ": 125,
+               "data": [4]
+       }, ["hella", 2345, 234.5]]
+}]
+
+# 4. Back in Nit (with metadata):
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 1. Nit source:
+<F: 2222>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x46\x81\x92\xD4\x7B\x02\xA1\x6E\xCD\x08\xAE
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "F"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,n]": 2222
+}]
+
+# 4. Back in Nit (with metadata):
+null
+
+# 1. Nit source:
+<F: 33.33>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x46\x81\x92\xD4\x7B\x02\xA1\x6E\xCB\x40\x40\xAA\x3D\x70\xA3\xD7\x0A
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "F"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,n]": 33.33
+}]
+
+# 4. Back in Nit (with metadata):
+null
+
+# 1. Nit source:
+<G: hs: -1, 0; s: one, two; hm: one. 1, two. 2; am: three. 3, four. 4>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x47\x84\x92\xD4\x7B\x02\xA2\x68\x73\x93\xD4\x7B\x03\x92\xD4\x7B\x04\xA7\x48\x61\x73\x68\x53\x65\x74\x92\xFF\x00\x92\xD4\x7B\x05\xA1\x73\x93\xD4\x7B\x06\x92\xD4\x7B\x07\xA8\x41\x72\x72\x61\x79\x53\x65\x74\x92\xA3\x6F\x6E\x65\xA3\x74\x77\x6F\x92\xD4\x7B\x08\xA2\x68\x6D\x93\xD4\x7B\x09\x92\xD4\x7B\x0A\xA7\x48\x61\x73\x68\x4D\x61\x70\x82\xA3\x6F\x6E\x65\x01\xA3\x74\x77\x6F\x02\x92\xD4\x7B\x0B\xA2\x61\x6D\x93\xD4\x7B\x0C\x92\xD4\x7B\x0D\xA8\x41\x72\x72\x61\x79\x4D\x61\x70\x82\xA5\x74\x68\x72\x65\x65\xA1\x33\xA4\x66\x6F\x75\x72\xA1\x34
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "G"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,hs]": [{
+               "typ": 123,
+               "data": [3]
+       }, [{
+               "typ": 123,
+               "data": [4]
+       }, "HashSet"], [-1, 0]],
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,s]": [{
+               "typ": 123,
+               "data": [6]
+       }, [{
+               "typ": 123,
+               "data": [7]
+       }, "ArraySet"], ["one", "two"]],
+       "[<MsgPackExt typ: 0x7b, data: \\x08>,hm]": [{
+               "typ": 123,
+               "data": [9]
+       }, [{
+               "typ": 123,
+               "data": [10]
+       }, "HashMap"], {
+               "one": 1,
+               "two": 2
+       }],
+       "[<MsgPackExt typ: 0x7b, data: \\x0B>,am]": [{
+               "typ": 123,
+               "data": [12]
+       }, [{
+               "typ": 123,
+               "data": [13]
+       }, "ArrayMap"], {
+               "three": "3",
+               "four": "4"
+       }]
+}]
+
+# 4. Back in Nit (with metadata):
+<G: hs: ; s: ; hm: ; am: >
+

diff --git a/tests/sav/test_msgpack_deserialization.res b/tests/sav/test_msgpack_deserialization.res
new file mode 100644 (file)
index 0000000..8ae5166
--- /dev/null
+++ b/tests/sav/test_msgpack_deserialization.res
@@ -0,0 +1,104 @@
+# 1. Nit source:
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 2. MsgPack:
+\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+{
+       "b": true,
+       "c": "a",
+       "f": 0.123,
+       "i": 1234,
+       "serialization_specific_name": "asdf",
+       "n": null
+}
+
+# 4. Back in Nit (no metadata):
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 1. Nit source:
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 2. MsgPack:
+\x88\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72
+
+# 3. JSON:
+{
+       "b": false,
+       "c": "b",
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "hjkl",
+       "n": 12,
+       "ii": 1111,
+       "ss": "qwer"
+}
+
+# 4. Back in Nit (no metadata):
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 1. Nit source:
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 2. MsgPack:
+\x83\xA1\x61\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0\xA1\x62\x88\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72\xA2\x61\x61\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+{
+       "a": {
+               "b": true,
+               "c": "a",
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       },
+       "b": {
+               "b": false,
+               "c": "b",
+               "f": 123.123,
+               "i": 2345,
+               "serialization_specific_name": "hjkl",
+               "n": 12,
+               "ii": 1111,
+               "ss": "qwer"
+       },
+       "aa": {
+               "b": true,
+               "c": "a",
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       }
+}
+
+# 4. Back in Nit (no metadata):
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+Serialization warning: Cycle detected in serialized object, replacing reference with 'null'.
+# 1. Nit source:
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 2. MsgPack:
+\x89\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xAE\x6E\x65\x77\x20\x6C\x69\x6E\x65\x20\x2D\x3E\x0A\x3C\x2D\xA1\x6E\xC0\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA6\x09\x66\x22\x0D\x5C\x2F\xA1\x64\xC0
+
+# 3. JSON:
+{
+       "b": false,
+       "c": "b",
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "new line ->\n<-",
+       "n": null,
+       "ii": 1111,
+       "ss": "\tf\"\r\\/",
+       "d": null
+}
+
+# 4. Back in Nit (no metadata):
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> false>
+

diff --git a/tests/sav/test_msgpack_deserialization_alt1.res b/tests/sav/test_msgpack_deserialization_alt1.res
new file mode 100644 (file)
index 0000000..a454a78
--- /dev/null
+++ b/tests/sav/test_msgpack_deserialization_alt1.res
@@ -0,0 +1,135 @@
+# 1. Nit source:
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x41\x86\xA1\x62\xC3\xA1\x63\xD4\x7C\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "A", {
+       "b": true,
+       "c": {
+               "typ": 124,
+               "data": [97]
+       },
+       "f": 0.123,
+       "i": 1234,
+       "serialization_specific_name": "asdf",
+       "n": null
+}]
+
+# 4. Back in Nit (with metadata):
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 1. Nit source:
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x42\x88\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "B", {
+       "b": false,
+       "c": {
+               "typ": 124,
+               "data": [98]
+       },
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "hjkl",
+       "n": 12,
+       "ii": 1111,
+       "ss": "qwer"
+}]
+
+# 4. Back in Nit (with metadata):
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 1. Nit source:
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x43\x83\xA1\x61\x93\xD4\x7B\x01\xA1\x41\x86\xA1\x62\xC3\xA1\x63\xD4\x7C\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0\xA1\x62\x93\xD4\x7B\x02\xA1\x42\x88\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72\xA2\x61\x61\xD4\x7D\x01
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "C", {
+       "a": [{
+               "typ": 123,
+               "data": [1]
+       }, "A", {
+               "b": true,
+               "c": {
+                       "typ": 124,
+                       "data": [97]
+               },
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       }],
+       "b": [{
+               "typ": 123,
+               "data": [2]
+       }, "B", {
+               "b": false,
+               "c": {
+                       "typ": 124,
+                       "data": [98]
+               },
+               "f": 123.123,
+               "i": 2345,
+               "serialization_specific_name": "hjkl",
+               "n": 12,
+               "ii": 1111,
+               "ss": "qwer"
+       }],
+       "aa": {
+               "typ": 125,
+               "data": [1]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 1. Nit source:
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x44\x89\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xAE\x6E\x65\x77\x20\x6C\x69\x6E\x65\x20\x2D\x3E\x0A\x3C\x2D\xA1\x6E\xC0\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA6\x09\x66\x22\x0D\x5C\x2F\xA1\x64\xD4\x7D\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "D", {
+       "b": false,
+       "c": {
+               "typ": 124,
+               "data": [98]
+       },
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "new line ->\n<-",
+       "n": null,
+       "ii": 1111,
+       "ss": "\tf\"\r\\/",
+       "d": {
+               "typ": 125,
+               "data": [0]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+

diff --git a/tests/sav/test_msgpack_deserialization_alt2.res b/tests/sav/test_msgpack_deserialization_alt2.res
new file mode 100644 (file)
index 0000000..2a5d0ad
--- /dev/null
+++ b/tests/sav/test_msgpack_deserialization_alt2.res
@@ -0,0 +1,170 @@
+# 1. Nit source:
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 2. MsgPack:
+\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+{
+       "b": true,
+       "c": "a",
+       "f": 0.123,
+       "i": 1234,
+       "serialization_specific_name": "asdf",
+       "n": null
+}
+
+# 4. Back in Nit (no metadata):
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 1. Nit source:
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 2. MsgPack:
+\x88\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72
+
+# 3. JSON:
+{
+       "b": false,
+       "c": "b",
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "hjkl",
+       "n": 12,
+       "ii": 1111,
+       "ss": "qwer"
+}
+
+# 4. Back in Nit (no metadata):
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 1. Nit source:
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 2. MsgPack:
+\x83\xA1\x61\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0\xA1\x62\x88\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72\xA2\x61\x61\x86\xA1\x62\xC3\xA1\x63\xA1\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+{
+       "a": {
+               "b": true,
+               "c": "a",
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       },
+       "b": {
+               "b": false,
+               "c": "b",
+               "f": 123.123,
+               "i": 2345,
+               "serialization_specific_name": "hjkl",
+               "n": 12,
+               "ii": 1111,
+               "ss": "qwer"
+       },
+       "aa": {
+               "b": true,
+               "c": "a",
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       }
+}
+
+# 4. Back in Nit (no metadata):
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+Serialization warning: Cycle detected in serialized object, replacing reference with 'null'.
+# 1. Nit source:
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 2. MsgPack:
+\x89\xA1\x62\xC2\xA1\x63\xA1\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xAE\x6E\x65\x77\x20\x6C\x69\x6E\x65\x20\x2D\x3E\x0A\x3C\x2D\xA1\x6E\xC0\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA6\x09\x66\x22\x0D\x5C\x2F\xA1\x64\xC0
+
+# 3. JSON:
+{
+       "b": false,
+       "c": "b",
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "new line ->\n<-",
+       "n": null,
+       "ii": 1111,
+       "ss": "\tf\"\r\\/",
+       "d": null
+}
+
+# 4. Back in Nit (no metadata):
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> false>
+
+# 1. Nit source:
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 2. MsgPack:
+\x82\xA1\x61\x93\xA5\x68\x65\x6C\x6C\x6F\xCD\x04\xD2\xCB\x40\x5E\xD9\x99\x99\x99\x99\x9A\xA1\x62\x93\xA5\x68\x65\x6C\x6C\x61\xCD\x09\x29\xCB\x40\x6D\x50\x00\x00\x00\x00\x00
+
+# 3. JSON:
+{
+       "a": ["hello", 1234, 123.4],
+       "b": ["hella", 2345, 234.5]
+}
+
+# 4. Back in Nit (no metadata):
+<E: a: ; b: >
+
+# 1. Nit source:
+<F: 2222>
+
+# 2. MsgPack:
+\x81\xA1\x6E\xCD\x08\xAE
+
+# 3. JSON:
+{
+       "n": 2222
+}
+
+# 4. Back in Nit (no metadata):
+<F: 2222>
+
+# 1. Nit source:
+<F: 33.33>
+
+# 2. MsgPack:
+\x81\xA1\x6E\xCB\x40\x40\xAA\x3D\x70\xA3\xD7\x0A
+
+# 3. JSON:
+{
+       "n": 33.33
+}
+
+# 4. Back in Nit (no metadata):
+<F: 33.33>
+
+# 1. Nit source:
+<G: hs: -1, 0; s: one, two; hm: one. 1, two. 2; am: three. 3, four. 4>
+
+# 2. MsgPack:
+\x84\xA2\x68\x73\x92\xFF\x00\xA1\x73\x92\xA3\x6F\x6E\x65\xA3\x74\x77\x6F\xA2\x68\x6D\x82\xA3\x6F\x6E\x65\x01\xA3\x74\x77\x6F\x02\xA2\x61\x6D\x82\xA5\x74\x68\x72\x65\x65\xA1\x33\xA4\x66\x6F\x75\x72\xA1\x34
+
+# 3. JSON:
+{
+       "hs": [-1, 0],
+       "s": ["one", "two"],
+       "hm": {
+               "one": 1,
+               "two": 2
+       },
+       "am": {
+               "three": "3",
+               "four": "4"
+       }
+}
+
+# 4. Back in Nit (no metadata):
+<G: hs: ; s: ; hm: one. 1, two. 2; am: three. 3, four. 4>
+

diff --git a/tests/sav/test_msgpack_deserialization_alt3.res b/tests/sav/test_msgpack_deserialization_alt3.res
new file mode 100644 (file)
index 0000000..6aa484f
--- /dev/null
+++ b/tests/sav/test_msgpack_deserialization_alt3.res
@@ -0,0 +1,231 @@
+# 1. Nit source:
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x41\x86\xA1\x62\xC3\xA1\x63\xD4\x7C\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "A", {
+       "b": true,
+       "c": {
+               "typ": 124,
+               "data": [97]
+       },
+       "f": 0.123,
+       "i": 1234,
+       "serialization_specific_name": "asdf",
+       "n": null
+}]
+
+# 4. Back in Nit (with metadata):
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 1. Nit source:
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x42\x88\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "B", {
+       "b": false,
+       "c": {
+               "typ": 124,
+               "data": [98]
+       },
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "hjkl",
+       "n": 12,
+       "ii": 1111,
+       "ss": "qwer"
+}]
+
+# 4. Back in Nit (with metadata):
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 1. Nit source:
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x43\x83\xA1\x61\x93\xD4\x7B\x01\xA1\x41\x86\xA1\x62\xC3\xA1\x63\xD4\x7C\x61\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\xA1\x69\xCD\x04\xD2\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\xA1\x6E\xC0\xA1\x62\x93\xD4\x7B\x02\xA1\x42\x88\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\xA1\x6E\x0C\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA4\x71\x77\x65\x72\xA2\x61\x61\xD4\x7D\x01
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "C", {
+       "a": [{
+               "typ": 123,
+               "data": [1]
+       }, "A", {
+               "b": true,
+               "c": {
+                       "typ": 124,
+                       "data": [97]
+               },
+               "f": 0.123,
+               "i": 1234,
+               "serialization_specific_name": "asdf",
+               "n": null
+       }],
+       "b": [{
+               "typ": 123,
+               "data": [2]
+       }, "B", {
+               "b": false,
+               "c": {
+                       "typ": 124,
+                       "data": [98]
+               },
+               "f": 123.123,
+               "i": 2345,
+               "serialization_specific_name": "hjkl",
+               "n": 12,
+               "ii": 1111,
+               "ss": "qwer"
+       }],
+       "aa": {
+               "typ": 125,
+               "data": [1]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 1. Nit source:
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x44\x89\xA1\x62\xC2\xA1\x63\xD4\x7C\x62\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xA1\x69\xCD\x09\x29\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xAE\x6E\x65\x77\x20\x6C\x69\x6E\x65\x20\x2D\x3E\x0A\x3C\x2D\xA1\x6E\xC0\xA2\x69\x69\xCD\x04\x57\xA2\x73\x73\xA6\x09\x66\x22\x0D\x5C\x2F\xA1\x64\xD4\x7D\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "D", {
+       "b": false,
+       "c": {
+               "typ": 124,
+               "data": [98]
+       },
+       "f": 123.123,
+       "i": 2345,
+       "serialization_specific_name": "new line ->\n<-",
+       "n": null,
+       "ii": 1111,
+       "ss": "\tf\"\r\\/",
+       "d": {
+               "typ": 125,
+               "data": [0]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 1. Nit source:
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x45\x82\xA1\x61\x93\xD4\x7B\x01\xAD\x41\x72\x72\x61\x79\x5B\x4F\x62\x6A\x65\x63\x74\x5D\x93\xA5\x68\x65\x6C\x6C\x6F\xCD\x04\xD2\xCB\x40\x5E\xD9\x99\x99\x99\x99\x9A\xA1\x62\x93\xD4\x7B\x02\xBC\x41\x72\x72\x61\x79\x5B\x6E\x75\x6C\x6C\x61\x62\x6C\x65\x20\x53\x65\x72\x69\x61\x6C\x69\x7A\x61\x62\x6C\x65\x5D\x93\xA5\x68\x65\x6C\x6C\x61\xCD\x09\x29\xCB\x40\x6D\x50\x00\x00\x00\x00\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "E", {
+       "a": [{
+               "typ": 123,
+               "data": [1]
+       }, "Array[Object]", ["hello", 1234, 123.4]],
+       "b": [{
+               "typ": 123,
+               "data": [2]
+       }, "Array[nullable Serializable]", ["hella", 2345, 234.5]]
+}]
+
+# 4. Back in Nit (with metadata):
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 1. Nit source:
+<F: 2222>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA6\x46\x5B\x49\x6E\x74\x5D\x81\xA1\x6E\xCD\x08\xAE
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "F[Int]", {
+       "n": 2222
+}]
+
+# 4. Back in Nit (with metadata):
+<F: 2222>
+
+# 1. Nit source:
+<F: 33.33>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA8\x46\x5B\x46\x6C\x6F\x61\x74\x5D\x81\xA1\x6E\xCB\x40\x40\xAA\x3D\x70\xA3\xD7\x0A
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "F[Float]", {
+       "n": 33.33
+}]
+
+# 4. Back in Nit (with metadata):
+<F: 33.33>
+
+# 1. Nit source:
+<G: hs: -1, 0; s: one, two; hm: one. 1, two. 2; am: three. 3, four. 4>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\xA1\x47\x84\xA2\x68\x73\x93\xD4\x7B\x01\xAC\x48\x61\x73\x68\x53\x65\x74\x5B\x49\x6E\x74\x5D\x92\xFF\x00\xA1\x73\x93\xD4\x7B\x02\xB0\x41\x72\x72\x61\x79\x53\x65\x74\x5B\x53\x74\x72\x69\x6E\x67\x5D\x92\xA3\x6F\x6E\x65\xA3\x74\x77\x6F\xA2\x68\x6D\x93\xD4\x7B\x03\xB4\x48\x61\x73\x68\x4D\x61\x70\x5B\x53\x74\x72\x69\x6E\x67\x2C\x20\x49\x6E\x74\x5D\x82\xA3\x6F\x6E\x65\x01\xA3\x74\x77\x6F\x02\xA2\x61\x6D\x93\xD4\x7B\x04\xB8\x41\x72\x72\x61\x79\x4D\x61\x70\x5B\x53\x74\x72\x69\x6E\x67\x2C\x20\x53\x74\x72\x69\x6E\x67\x5D\x82\xA5\x74\x68\x72\x65\x65\xA1\x33\xA4\x66\x6F\x75\x72\xA1\x34
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, "G", {
+       "hs": [{
+               "typ": 123,
+               "data": [1]
+       }, "HashSet[Int]", [-1, 0]],
+       "s": [{
+               "typ": 123,
+               "data": [2]
+       }, "ArraySet[String]", ["one", "two"]],
+       "hm": [{
+               "typ": 123,
+               "data": [3]
+       }, "HashMap[String, Int]", {
+               "one": 1,
+               "two": 2
+       }],
+       "am": [{
+               "typ": 123,
+               "data": [4]
+       }, "ArrayMap[String, String]", {
+               "three": "3",
+               "four": "4"
+       }]
+}]
+
+# 4. Back in Nit (with metadata):
+<G: hs: -1, 0; s: one, two; hm: one. 1, two. 2; am: three. 3, four. 4>
+

diff --git a/tests/sav/test_msgpack_deserialization_alt4.res b/tests/sav/test_msgpack_deserialization_alt4.res
new file mode 100644 (file)
index 0000000..e6affaa
--- /dev/null
+++ b/tests/sav/test_msgpack_deserialization_alt4.res
@@ -0,0 +1,279 @@
+# 1. Nit source:
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x41\x86\x92\xD4\x7B\x02\xA1\x62\xC3\x92\xD4\x7B\x03\xA1\x63\xD4\x7C\x61\x92\xD4\x7B\x04\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\x92\xD4\x7B\x05\xA1\x69\xCD\x04\xD2\x92\xD4\x7B\x06\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\x92\xD4\x7B\x07\xA1\x6E\xC0
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "A"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,b]": true,
+       "[<MsgPackExt typ: 0x7b, data: \\x03>,c]": {
+               "typ": 124,
+               "data": [97]
+       },
+       "[<MsgPackExt typ: 0x7b, data: \\x04>,f]": 0.123,
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,i]": 1234,
+       "[<MsgPackExt typ: 0x7b, data: \\x06>,serialization_specific_name]": "asdf",
+       "[<MsgPackExt typ: 0x7b, data: \\x07>,n]": null
+}]
+
+# 4. Back in Nit (with metadata):
+<A: true a 0.123 1234 asdf false p4ssw0rd>
+
+# 1. Nit source:
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x42\x88\x92\xD4\x7B\x02\xA1\x62\xC2\x92\xD4\x7B\x03\xA1\x63\xD4\x7C\x62\x92\xD4\x7B\x04\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\x92\xD4\x7B\x05\xA1\x69\xCD\x09\x29\x92\xD4\x7B\x06\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x68\x6A\x6B\x6C\x92\xD4\x7B\x07\xA1\x6E\x0C\x92\xD4\x7B\x08\xA2\x69\x69\xCD\x04\x57\x92\xD4\x7B\x09\xA2\x73\x73\xA4\x71\x77\x65\x72
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "B"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,b]": false,
+       "[<MsgPackExt typ: 0x7b, data: \\x03>,c]": {
+               "typ": 124,
+               "data": [98]
+       },
+       "[<MsgPackExt typ: 0x7b, data: \\x04>,f]": 123.123,
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,i]": 2345,
+       "[<MsgPackExt typ: 0x7b, data: \\x06>,serialization_specific_name]": "hjkl",
+       "[<MsgPackExt typ: 0x7b, data: \\x07>,n]": 12,
+       "[<MsgPackExt typ: 0x7b, data: \\x08>,ii]": 1111,
+       "[<MsgPackExt typ: 0x7b, data: \\x09>,ss]": "qwer"
+}]
+
+# 4. Back in Nit (with metadata):
+<B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>
+
+# 1. Nit source:
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x43\x83\x92\xD4\x7B\x02\xA1\x61\x93\xD4\x7B\x03\x92\xD4\x7B\x04\xA1\x41\x86\x92\xD4\x7B\x05\xA1\x62\xC3\x92\xD4\x7B\x06\xA1\x63\xD4\x7C\x61\x92\xD4\x7B\x07\xA1\x66\xCB\x3F\xBF\x97\x24\x74\x53\x8E\xF3\x92\xD4\x7B\x08\xA1\x69\xCD\x04\xD2\x92\xD4\x7B\x09\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xA4\x61\x73\x64\x66\x92\xD4\x7B\x0A\xA1\x6E\xC0\xD4\x7D\x05\x93\xD4\x7B\x0B\x92\xD4\x7B\x0C\xA1\x42\x88\xD4\x7D\x05\xC2\xD4\x7D\x06\xD4\x7C\x62\xD4\x7D\x07\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\xD4\x7D\x08\xCD\x09\x29\xD4\x7D\x09\xA4\x68\x6A\x6B\x6C\xD4\x7D\x0A\x0C\x92\xD4\x7B\x0D\xA2\x69\x69\xCD\x04\x57\x92\xD4\x7B\x0E\xA2\x73\x73\xA4\x71\x77\x65\x72\x92\xD4\x7B\x0F\xA2\x61\x61\xD4\x7D\x03
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "C"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,a]": [{
+               "typ": 123,
+               "data": [3]
+       }, [{
+               "typ": 123,
+               "data": [4]
+       }, "A"], {
+               "[<MsgPackExt typ: 0x7b, data: \\x05>,b]": true,
+               "[<MsgPackExt typ: 0x7b, data: \\x06>,c]": {
+                       "typ": 124,
+                       "data": [97]
+               },
+               "[<MsgPackExt typ: 0x7b, data: \\x07>,f]": 0.123,
+               "[<MsgPackExt typ: 0x7b, data: \\x08>,i]": 1234,
+               "[<MsgPackExt typ: 0x7b, data: \\x09>,serialization_specific_name]": "asdf",
+               "[<MsgPackExt typ: 0x7b, data: \\x0A>,n]": null
+       }],
+       "<MsgPackExt typ: 0x7d, data: \\x05>": [{
+               "typ": 123,
+               "data": [11]
+       }, [{
+               "typ": 123,
+               "data": [12]
+       }, "B"], {
+               "<MsgPackExt typ: 0x7d, data: \\x05>": false,
+               "<MsgPackExt typ: 0x7d, data: \\x06>": {
+                       "typ": 124,
+                       "data": [98]
+               },
+               "<MsgPackExt typ: 0x7d, data: \\x07>": 123.123,
+               "<MsgPackExt typ: 0x7d, data: \\x08>": 2345,
+               "<MsgPackExt typ: 0x7d, data: \\x09>": "hjkl",
+               "<MsgPackExt typ: 0x7d, data: \\x0A>": 12,
+               "[<MsgPackExt typ: 0x7b, data: \\x0D>,ii]": 1111,
+               "[<MsgPackExt typ: 0x7b, data: \\x0E>,ss]": "qwer"
+       }],
+       "[<MsgPackExt typ: 0x7b, data: \\x0F>,aa]": {
+               "typ": 125,
+               "data": [3]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<C: <A: true a 0.123 1234 asdf false p4ssw0rd> <B: <A: false b 123.123 2345 hjkl true p4ssw0rd> 1111 qwer>>
+
+# 1. Nit source:
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x44\x89\x92\xD4\x7B\x02\xA1\x62\xC2\x92\xD4\x7B\x03\xA1\x63\xD4\x7C\x62\x92\xD4\x7B\x04\xA1\x66\xCB\x40\x5E\xC7\xDF\x3B\x64\x5A\x1D\x92\xD4\x7B\x05\xA1\x69\xCD\x09\x29\x92\xD4\x7B\x06\xBB\x73\x65\x72\x69\x61\x6C\x69\x7A\x61\x74\x69\x6F\x6E\x5F\x73\x70\x65\x63\x69\x66\x69\x63\x5F\x6E\x61\x6D\x65\xAE\x6E\x65\x77\x20\x6C\x69\x6E\x65\x20\x2D\x3E\x0A\x3C\x2D\x92\xD4\x7B\x07\xA1\x6E\xC0\x92\xD4\x7B\x08\xA2\x69\x69\xCD\x04\x57\x92\xD4\x7B\x09\xA2\x73\x73\xA6\x09\x66\x22\x0D\x5C\x2F\x92\xD4\x7B\x0A\xA1\x64\xD4\x7D\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "D"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,b]": false,
+       "[<MsgPackExt typ: 0x7b, data: \\x03>,c]": {
+               "typ": 124,
+               "data": [98]
+       },
+       "[<MsgPackExt typ: 0x7b, data: \\x04>,f]": 123.123,
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,i]": 2345,
+       "[<MsgPackExt typ: 0x7b, data: \\x06>,serialization_specific_name]": "new line ->\n<-",
+       "[<MsgPackExt typ: 0x7b, data: \\x07>,n]": null,
+       "[<MsgPackExt typ: 0x7b, data: \\x08>,ii]": 1111,
+       "[<MsgPackExt typ: 0x7b, data: \\x09>,ss]": "\tf\"\r\\/",
+       "[<MsgPackExt typ: 0x7b, data: \\x0A>,d]": {
+               "typ": 125,
+               "data": [0]
+       }
+}]
+
+# 4. Back in Nit (with metadata):
+<D: <B: <A: false b 123.123 2345 new line ->
+<- false p4ssw0rd> 1111        f"\r\/> true>
+
+# 1. Nit source:
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x45\x82\x92\xD4\x7B\x02\xA1\x61\x93\xD4\x7B\x03\x92\xD4\x7B\x04\xAD\x41\x72\x72\x61\x79\x5B\x4F\x62\x6A\x65\x63\x74\x5D\x93\xA5\x68\x65\x6C\x6C\x6F\xCD\x04\xD2\xCB\x40\x5E\xD9\x99\x99\x99\x99\x9A\x92\xD4\x7B\x05\xA1\x62\x93\xD4\x7B\x06\x92\xD4\x7B\x07\xBC\x41\x72\x72\x61\x79\x5B\x6E\x75\x6C\x6C\x61\x62\x6C\x65\x20\x53\x65\x72\x69\x61\x6C\x69\x7A\x61\x62\x6C\x65\x5D\x93\xA5\x68\x65\x6C\x6C\x61\xCD\x09\x29\xCB\x40\x6D\x50\x00\x00\x00\x00\x00
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "E"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,a]": [{
+               "typ": 123,
+               "data": [3]
+       }, [{
+               "typ": 123,
+               "data": [4]
+       }, "Array[Object]"], ["hello", 1234, 123.4]],
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,b]": [{
+               "typ": 123,
+               "data": [6]
+       }, [{
+               "typ": 123,
+               "data": [7]
+       }, "Array[nullable Serializable]"], ["hella", 2345, 234.5]]
+}]
+
+# 4. Back in Nit (with metadata):
+<E: a: hello, 1234, 123.4; b: hella, 2345, 234.5>
+
+# 1. Nit source:
+<F: 2222>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA6\x46\x5B\x49\x6E\x74\x5D\x81\x92\xD4\x7B\x02\xA1\x6E\xCD\x08\xAE
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "F[Int]"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,n]": 2222
+}]
+
+# 4. Back in Nit (with metadata):
+<F: 2222>
+
+# 1. Nit source:
+<F: 33.33>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA8\x46\x5B\x46\x6C\x6F\x61\x74\x5D\x81\x92\xD4\x7B\x02\xA1\x6E\xCB\x40\x40\xAA\x3D\x70\xA3\xD7\x0A
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "F[Float]"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,n]": 33.33
+}]
+
+# 4. Back in Nit (with metadata):
+<F: 33.33>
+
+# 1. Nit source:
+<G: hs: -1, 0; s: one, two; hm: one. 1, two. 2; am: three. 3, four. 4>
+
+# 2. MsgPack:
+\x93\xD4\x7B\x00\x92\xD4\x7B\x01\xA1\x47\x84\x92\xD4\x7B\x02\xA2\x68\x73\x93\xD4\x7B\x03\x92\xD4\x7B\x04\xAC\x48\x61\x73\x68\x53\x65\x74\x5B\x49\x6E\x74\x5D\x92\xFF\x00\x92\xD4\x7B\x05\xA1\x73\x93\xD4\x7B\x06\x92\xD4\x7B\x07\xB0\x41\x72\x72\x61\x79\x53\x65\x74\x5B\x53\x74\x72\x69\x6E\x67\x5D\x92\xA3\x6F\x6E\x65\xA3\x74\x77\x6F\x92\xD4\x7B\x08\xA2\x68\x6D\x93\xD4\x7B\x09\x92\xD4\x7B\x0A\xB4\x48\x61\x73\x68\x4D\x61\x70\x5B\x53\x74\x72\x69\x6E\x67\x2C\x20\x49\x6E\x74\x5D\x82\xA3\x6F\x6E\x65\x01\xA3\x74\x77\x6F\x02\x92\xD4\x7B\x0B\xA2\x61\x6D\x93\xD4\x7B\x0C\x92\xD4\x7B\x0D\xB8\x41\x72\x72\x61\x79\x4D\x61\x70\x5B\x53\x74\x72\x69\x6E\x67\x2C\x20\x53\x74\x72\x69\x6E\x67\x5D\x82\xA5\x74\x68\x72\x65\x65\xA1\x33\xA4\x66\x6F\x75\x72\xA1\x34
+
+# 3. JSON:
+[{
+       "typ": 123,
+       "data": [0]
+}, [{
+       "typ": 123,
+       "data": [1]
+}, "G"], {
+       "[<MsgPackExt typ: 0x7b, data: \\x02>,hs]": [{
+               "typ": 123,
+               "data": [3]
+       }, [{
+               "typ": 123,
+               "data": [4]
+       }, "HashSet[Int]"], [-1, 0]],
+       "[<MsgPackExt typ: 0x7b, data: \\x05>,s]": [{
+               "typ": 123,
+               "data": [6]
+       }, [{
+               "typ": 123,
+               "data": [7]
+       }, "ArraySet[String]"], ["one", "two"]],
+       "[<MsgPackExt typ: 0x7b, data: \\x08>,hm]": [{
+               "typ": 123,
+               "data": [9]
+       }, [{
+               "typ": 123,
+               "data": [10]
+       }, "HashMap[String, Int]"], {
+               "one": 1,
+               "two": 2
+       }],
+       "[<MsgPackExt typ: 0x7b, data: \\x0B>,am]": [{
+               "typ": 123,
+               "data": [12]
+       }, [{
+               "typ": 123,
+               "data": [13]
+       }, "ArrayMap[String, String]"], {
+               "three": "3",
+               "four": "4"
+       }]
+}]
+
+# 4. Back in Nit (with metadata):
+<G: hs: -1, 0; s: one, two; hm: one. 1, two. 2; am: three. 3, four. 4>
+

diff --git a/tests/test_msgpack_deserialization.nit b/tests/test_msgpack_deserialization.nit
new file mode 100644 (file)
index 0000000..d64bd44
--- /dev/null
+++ b/tests/test_msgpack_deserialization.nit
@@ -0,0 +1,74 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# alt0 non-generics plain
+# alt1 non-generics metadata
+# alt2     generics plain
+# alt3     generics metadata
+# alt4     generics metadata cache_metadata_strings
+
+import test_deserialization
+import msgpack
+import msgpack::read
+import json
+#alt2# import test_deserialization_serial
+#alt3# import test_deserialization_serial
+#alt4# import test_deserialization_serial
+
+var entities = new TestEntities
+
+var tests = entities.without_generics
+#alt2#tests = entities.with_generics
+#alt3#tests = entities.with_generics
+#alt4#tests = entities.with_generics
+
+for o in tests do
+       var plain = true
+       #alt1#plain = false
+       #alt3#plain = false
+       #alt4#plain = false
+
+       var writer = new BytesWriter
+       var serializer = new MsgPackSerializer(writer)
+       serializer.plain_msgpack = plain
+       #alt4#serializer.cache_metadata_strings = true
+       serializer.serialize o
+       var bytes = writer.bytes
+
+       # Nit source
+       print "# 1. Nit source:\n{o}\n"
+
+       # Generated MessagePack
+       print "# 2. MsgPack:\n{bytes.chexdigest}\n"
+
+       # Python deserialization line to ensure compliance and otherwise debug
+       #print "msgpack.unpackb(b'{bytes.chexdigest}')"
+
+       # Show readable structure of the generated MessagePack as JSON
+       var msg = (new BytesReader(bytes)).read_msgpack
+       var json = if msg != null then
+                       msg.serialize_to_json(plain=true, pretty=true)
+               else "null"
+       print "# 3. JSON:\n{json}\n"
+
+       # Deserialize
+       var deserializer = new MsgPackDeserializer(new BytesReader(bytes))
+       if serializer.plain_msgpack then
+               var deserialized = deserializer.deserialize(o.class_name)
+               print "# 4. Back in Nit (no metadata):\n{deserialized or else "null"}\n"
+       else
+               var deserialized = deserializer.deserialize
+               print "# 4. Back in Nit (with metadata):\n{deserialized or else "null"}\n"
+       end
+end