Test1 (Date):
  const src = new Date();
    src:   2022-08-07T07:33:35.296Z
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Date",
    "_SAtimestamp": 1659857615296
  }
}'
    deser: Date: Sun Aug 07 2022 00:33:35 GMT-0700 (Pacific Daylight Time)

Test2 (Map):
  let src = new Map();
  let key1 = "key1";
  let key2 = {foo: "bar"};
  src.set(key1, "key1 value");
  src.set(key2, new Date());
    src:   Map(2) {
  'key1' => 'key1 value',
  { foo: 'bar' } => 2022-08-07T07:33:35.299Z
}
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Map",
    "_SAkvPairs": [
      [
        "key1",
        "key1 value"
      ],
      [
        {
          "foo": "bar"
        },
        {
          "_SAType": "Date",
          "_SAtimestamp": 1659857615299
        }
      ]
    ]
  }
}'
    deser: Map(2) {
  'key1' => 'key1 value',
  { foo: 'bar' } => 2022-08-07T07:33:35.299Z
}

Test3 (Function):
  let src = function foo (x) { return x + 1;};
    src:   [Function: foo]
    src.toString:      function foo (x) { return x + 1;}
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Function",
    "_SAfunction": "function foo (x) { return x + 1;}"
  }
}'
    deser: [Function: foo]

Test4: (RegExp)
  let src = [1,2,/abc/i];
    src:  [ 1, 2, /abc/i ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": [
    1,
    2,
    {
      "_SAType": "RegExp",
      "_SAsource": "abc",
      "_SAflags": "i"
    }
  ]
}'
    deser: [ 1, 2, /abc/i ]

Test5 (Int8Array):
  let src = Int8Array.from([3, 4, 42]);
    src:   Int8Array(3) [ 3, 4, 42 ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Int8Array",
    "_SAvalues": [
      3,
      4,
      42
    ]
  }
}'
    deser: Int8Array(3) [ 3, 4, 42 ]

Test6 (Uint8Array):
  let src = Uint8Array.from([3, 128, 64]);
    src:   Uint8Array(3) [ 3, 128, 64 ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Uint8Array",
    "_SAvalues": [
      3,
      128,
      64
    ]
  }
}'
    deser: Uint8Array(3) [ 3, 128, 64 ]

Test7 (Int16Array):
  let src = Int16Array.from([32, 128, 64]);
    src:   Int16Array(3) [ 32, 128, 64 ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Int16Array",
    "_SAvalues": [
      32,
      128,
      64
    ]
  }
}'
    deser: Int16Array(3) [ 32, 128, 64 ]

Test8 (Uint16Array):
  let src = Uint16Array.from([32, 128, 64]);
    src:   Uint16Array(3) [ 32, 128, 64 ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Uint16Array",
    "_SAvalues": [
      32,
      128,
      64
    ]
  }
}'
    deser: Uint16Array(3) [ 32, 128, 64 ]

Test9 (Int32Array):
  let src = Int32Array.from([32, 128, 64]);
    src:   Int32Array(3) [ 32, 128, 64 ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Int32Array",
    "_SAvalues": [
      32,
      128,
      64
    ]
  }
}'
    deser: Int32Array(3) [ 32, 128, 64 ]

Test10 (Uint32Array):
  let src = Uint32Array.from([32, 128, 64]);
    src:   Uint32Array(3) [ 32, 128, 64 ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Uint32Array",
    "_SAvalues": [
      32,
      128,
      64
    ]
  }
}'
    deser: Uint32Array(3) [ 32, 128, 64 ]

Test11 (Float32Array):
  let src = Float32Array.from([32, 128, 64]);
    src:   Float32Array(3) [ 32, 128, 64 ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Float32Array",
    "_SAvalues": [
      32,
      128,
      64
    ]
  }
}'
    deser: Float32Array(3) [ 32, 128, 64 ]

Test12 (Float64Array):
  let src = Float64Array.from([32, 128, 64]);
    src:   Float64Array(3) [ 32, 128, 64 ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Float64Array",
    "_SAvalues": [
      "32",
      "128",
      "64"
    ]
  }
}'
    deser: Float64Array(3) [ 32, 128, 64 ]

Test13 (BigInt64Array):
  let src = BigInt64Array.from([32, 128, 64]);
    src:   BigInt64Array(3) [ 3n, 4n, 42n ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "BigInt64Array",
    "_SAvalues": [
      "3",
      "4",
      "42"
    ]
  }
}'
    deser: BigInt64Array(3) [ 3n, 4n, 42n ]

Test14 (BigUint64Array):
  let src = BigUint64Array.from([3000000000000000000n, 4n, 42n]);
    src:   BigUint64Array(3) [ 3000000000000000000n, 4n, 42n ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "BigUint64Array",
    "_SAvalues": [
      "3000000000000000000",
      "4",
      "42"
    ]
  }
}'
    deser: BigUint64Array(3) [ 3000000000000000000n, 4n, 42n ]

Test15 (ArrayBuffer):
  let aBuf = new ArrayBuffer(8);
  let src = new Uint8Array(aBuf);
  let data = [1, 2, 3, 4, 5, 127];
    data:  [ 1, 2, 3, 4, 5, 127 ]
    src:   ArrayBuffer {
  [Uint8Contents]: <01 02 03 04 05 7f 00 00>,
  byteLength: 8
}
    aBuf:  ArrayBuffer {
  [Uint8Contents]: <01 02 03 04 05 7f 00 00>,
  byteLength: 8
}
    ser:  '{"_Serialize_Any_Encoded":true,"_SA_Content":{"_SAType":"ArrayBuffer","_SAvalues":[1,2,3,4,5,127,0,0]}}'
    deser:  ArrayBuffer {
  [Uint8Contents]: <01 02 03 04 05 7f 00 00>,
  byteLength: 8
}

Test16 (Set):
  let src = new Set([1,2,"3",{createdAt: new Date()}]);
    src:  Set(4) { 1, 2, '3', { createdAt: 2022-08-07T07:33:35.316Z } }
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Set",
    "_SAvalues": [
      1,
      2,
      "3",
      {
        "createdAt": {
          "_SAType": "Date",
          "_SAtimestamp": 1659857615316
        },
        "_SAId": 2
      }
    ]
  }
}'
    deser: Set(4) { 1, 2, '3', { createdAt: 2022-08-07T07:33:35.316Z } }

Test17 (WeakSet):
  let src = new WeakSet();
  let obj = {value: "in the set"}
  src.add(obj);
    src:  WeakSet { <items unknown> }
*** TEST FAILED: Error: serialize WeakSet not supported

Test18 (WeakMap):
  let src = new WeakMap();
  let obj = { foo: "I am foo" };
  src.set(obj, 42);
    src:  WeakMap { <items unknown> }
*** TEST FAILED: Error: serialize WeakMap not supported

Test19 (Buffer):
  let src = Buffer.from("hello world");
    src:  <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Buffer",
    "_SAutf8String": "hello world"
  }
}'
    deser: <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>

Test20 (CustomObject):
  class CustomObject extends Object {
    custom () {return "I am a custom Object";}
  }
  let src = new CustomObject();
    src:  CustomObject {}
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "_SACustomObject",
    "_SAconstructorName": "CustomObject",
    "_SAobject": {
      "_SAId": 1
    }
  }
}'
    deser: CustomObject {}
    deser.constructor.name:  CustomObject
    deser.custom():  I am a custom Object

Test21 (CustomArray with RegExp):
  class CustomArray extends Array {
    custom () {return "I am a custom Array";}
  }
  let src = CustomArray.from([1,2,"foo",{key: [1,2,3, /abc/g]}]);
    src:  CustomArray(4) [ 1, 2, 'foo', { key: [ 1, 2, 3, /abc/g ] } ]
    src.custom():  I am a custom Array
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "_SACustomArray",
    "_SAconstructorName": "CustomArray",
    "_SAvalues": [
      1,
      2,
      "foo",
      {
        "key": [
          1,
          2,
          3,
          {
            "_SAType": "RegExp",
            "_SAsource": "abc",
            "_SAflags": "g"
          }
        ],
        "_SAId": 2
      }
    ]
  }
}'
    deser: CustomArray(4) [ 1, 2, 'foo', { key: [ 1, 2, 3, /abc/g ] } ]
    deser.custom():  I am a custom Array

Test22 (Array containing BigInt):
  let src = [1, 2, 3000000000n];
    src:  [ 1, 2, 3000000000n ]
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": [
    1,
    2,
    {
      "_SAType": "BigInt",
      "_SAnum": "3000000000"
    }
  ]
}'
    deser: [ 1, 2, 3000000000n ]

Test23 (Object containing undefined prop):
  let src = {foo: "bar", notSet: undefined};
    src:  { foo: 'bar', notSet: undefined }
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "foo": "bar",
    "notSet": {
      "_SAType": "undef"
    },
    "_SAId": 1
  }
}'
    deser: { foo: 'bar', notSet: undefined }

Test24 (undefined variable):
  let src = undefined;
    src:  undefined
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "undef"
  }
}'
    deser: undefined

Test25 (Error):
  let src = new Error("this is a sample error");
    src:  Error: this is a sample error
    at test25 (/Users/jric/dev/patches/serialize-anything/test/test-suite.js:662:15)
    at /Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:39:3
    ... 7 lines matching cause stack trace ...
    at node:internal/main/run_main_module:17:47 {
  [cause]: Error: this is a sample cause
      at test25 (/Users/jric/dev/patches/serialize-anything/test/test-suite.js:660:11)
      at /Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:39:3
      at Array.forEach (<anonymous>)
      at Object.<anonymous> (/Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:38:7)
      at Module._compile (node:internal/modules/cjs/loader:1105:14)
      at Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
      at Module.load (node:internal/modules/cjs/loader:981:32)
      at Module._load (node:internal/modules/cjs/loader:827:12)
      at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12)
      at node:internal/main/run_main_module:17:47
}
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "Error",
    "_SAmessage": "this is a sample error",
    "_SAstack": "Error: this is a sample error\n    at test25 (/Users/jric/dev/patches/serialize-anything/test/test-suite.js:662:15)\n    at /Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:39:3\n    at Array.forEach (<anonymous>)\n    at Object.<anonymous> (/Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:38:7)\n    at Module._compile (node:internal/modules/cjs/loader:1105:14)\n    at Module._extensions..js (node:internal/modules/cjs/loader:1159:10)\n    at Module.load (node:internal/modules/cjs/loader:981:32)\n    at Module._load (node:internal/modules/cjs/loader:827:12)\n    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12)\n    at node:internal/main/run_main_module:17:47"
  }
}'
    deser: Error: this is a sample error
    at test25 (/Users/jric/dev/patches/serialize-anything/test/test-suite.js:662:15)
    at /Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:39:3
    at Array.forEach (<anonymous>)
    at Object.<anonymous> (/Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:38:7)
    at Module._compile (node:internal/modules/cjs/loader:1105:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
    at Module.load (node:internal/modules/cjs/loader:981:32)
    at Module._load (node:internal/modules/cjs/loader:827:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12)
    at node:internal/main/run_main_module:17:47 {
  cause: undefined
}
*** TEST FAILED: Error: No cause serialized for error
    at test25 (/Users/jric/dev/patches/serialize-anything/test/test-suite.js:671:17)
    at /Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:39:3
    at Array.forEach (<anonymous>)
    at Object.<anonymous> (/Users/jric/dev/patches/serialize-anything/test/test-serialize-anything.js:38:7)
    at Module._compile (node:internal/modules/cjs/loader:1105:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
    at Module.load (node:internal/modules/cjs/loader:981:32)
    at Module._load (node:internal/modules/cjs/loader:827:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12)
    at node:internal/main/run_main_module:17:47

Test26 (demo):
  class CustomObj extends Object {}
    const custom = new CustomObj();
    Object.assign(custom,{foo:"bar"});
    let src = {
      undef: undefined,
      regexp: /abc/gi
      bignum: 4000000000000000000n
      map: new Map([
        [1, 'one'],
        [2, 'two']
      ]),
      custom: custom,
      buffer: Buffer.from('hello world')
    };

    src:  {
  undef: undefined,
  regexp: /abc/gi,
  bignum: 4000000000000000000n,
  map: Map(2) { 1 => 'one', 2 => 'two' },
  custom: CustomObj { foo: 'bar' },
  buffer: <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
}
    ser:  '{
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "undef": {
      "_SAType": "undef"
    },
    "regexp": {
      "_SAType": "RegExp",
      "_SAsource": "abc",
      "_SAflags": "gi"
    },
    "bignum": {
      "_SAType": "BigInt",
      "_SAnum": "4000000000000000000"
    },
    "map": {
      "_SAType": "Map",
      "_SAkvPairs": [
        [
          1,
          "one"
        ],
        [
          2,
          "two"
        ]
      ]
    },
    "custom": {
      "_SAType": "_SACustomObject",
      "_SAconstructorName": "CustomObj",
      "_SAobject": {
        "foo": "bar",
        "_SAId": 3
      }
    },
    "buffer": {
      "_SAType": "Buffer",
      "_SAutf8String": "hello world"
    },
    "_SAId": 1
  }
}'
    deser: {
  undef: undefined,
  regexp: /abc/gi,
  bignum: 4000000000000000000n,
  map: Map(2) { 1 => 'one', 2 => 'two' },
  custom: CustomObj { foo: 'bar' },
  buffer: <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
}

Test27 (circular object reference):
  const src = { foo: "Foo", bar: {bar: "Bar"}};
  src.bar.baz = src;
    src:  <ref *1> { foo: 'Foo', bar: { bar: 'Bar', baz: [Circular *1] } }
    ser: {
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "foo": "Foo",
    "bar": {
      "bar": "Bar",
      "baz": {
        "_SAType": "_SAObjectRef",
        "_SAId": 1
      },
      "_SAId": 2
    },
    "_SAId": 1
  }
}
    deser: <ref *1> { foo: 'Foo', bar: { bar: 'Bar', baz: [Circular *1] } }

  deser.foo = "FOO_FOO";
    deser: <ref *1> { foo: 'FOO_FOO', bar: { bar: 'Bar', baz: [Circular *1] } }

Test28 (max depth):
    let wideObject = Array.from({length: options.maxDepth - 5}, (x, i) => { return new Object(); } );
    let extraWideObject = [...wideObject, Array.from({length: 10}, (x, i) => { return new Object(); })];
    let generateDeepObject = (deepObject) => {
      deepObject.deepestChild = deepObject.deepestChild.child = new Object();
      return deepObject;
    };
    let deepObject = wideObject.reduce(generateDeepObject, new function () { this.deepestChild = this; }() );
    tooDeepObject = extraWideObject.reduce(generateDeepObject, new function () { this.deepestChild = this; }() );
  
    assertDoesNotThrow {
      serialize(wideObject);
      serialize(deepObject);
      serialize(extraWideObject);
    }
    assertThrows {
      serialize(tooDeepObject);
    }
  

Test29 (anonymous custom object)
const src = new function() { this.foo = "bar"; }();
const ser = serialize(src);
const des = deserialize(ser, function() { return new Object(); });

    src:  { foo: 'bar' }
    ser: {
  "_Serialize_Any_Encoded": true,
  "_SA_Content": {
    "_SAType": "_SACustomObject",
    "_SAconstructorName": "",
    "_SAobject": {
      "foo": "bar",
      "_SAId": 1
    }
  }
}
    deser: { foo: 'bar' }

End of test.

Errors:  [
  'Test17 Error: serialize WeakSet not supported',
  'Test18 Error: serialize WeakMap not supported',
  'Test25 Error: No cause serialized for error'
]