test/powershell/Modules/Microsoft.PowerShell.Utility/Json.Tests.ps1 - master - githubmirror/PowerShell

test/powershell/Modules/Microsoft.PowerShell.Utility/Json.Tests.ps1
1 727 строк60 KB
Jordan Borean
Treat large Enum values as numbers in `ConvertTo-Json` (#20999)
19 сен 2024, 20:24
19 сен 2024, 20:243e3d83c
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

# This is a Pester test suite which validate the Json cmdlets.
#

#
# This 'Describe' is for tests that were converted from utscripts (SDXROOT/admin/monad/tests/monad/DRT/utscripts)
# and C# tests (SDXROOT/admin/monad/tests/monad/DRT/commands/utility/UnitTests) to Pester.
#
Describe "Json Tests" -Tags "Feature" {

    BeforeAll {

        function ValidateSampleObject
        {
            param ($result, [switch]$hasEmbeddedSampleObject )

            Write-Verbose "validating deserialized SampleObject" -Verbose
            $result.SampleInt | Should -Be 98765
            $result.SampleString | Should -Match "stringVal"
            $result.SampleArray.Count | Should -Be 2
            $result.SampleTrue | Should -BeTrue
            $result.SampleFalse | Should -BeFalse
            $result.SampleNull | Should -BeNullOrEmpty
            $result.SampleFloat | Should -Be 9.8765E+43

            if ($hasEmbeddedSampleObject)
            {
                Write-Verbose "validating deserialized Embedded SampleObject" -Verbose
                ValidateSampleObject -result $result.SampleObject
            }
        }

    }

    Context "ConvertTo-Json Bug Fixes" {

        It "ConvertTo-JSON should not have hard coded english error message" {

            # Test follow-up for bug WinBlue: 163372 - ConvertTo-JSON has hard coded english error message.
            $process = Get-Process -Id $PID
            $hash = @{ $process = "def" }
            $expectedFullyQualifiedErrorId = "NonStringKeyInDictionary,Microsoft.PowerShell.Commands.ConvertToJsonCommand"

            { ConvertTo-Json -InputObject $hash } | Should -Throw -ErrorId $expectedFullyQualifiedErrorId
        }

        It "ConvertTo-Json should handle terms with double quotes" {

            # Test follow-up for bug WinBlue: 11484 - ConvertTo-Json can't handle terms with double quotes.

            $notcompressed = ConvertTo-Json @{ FirstName = 'Hello " World' }
            $compressed = ConvertTo-Json @{ FirstName = 'Hello " World' } -Compress
            $valueFromNotCompressedResult = ConvertFrom-Json -InputObject $notcompressed
            $valueFromCompressedResult = ConvertFrom-Json -InputObject $compressed

            $valueFromNotCompressedResult.FirstName | Should -Match $valueFromCompressedResult.FirstName
        }

        It "Convertto-Json should handle Enum based on Int64" -Skip:(
            [ExperimentalFeature]::IsEnabled("PSSerializeJSONLongEnumAsNumber")
        ) {

            # Test follow-up for bug Win8: 378368 Convertto-Json problems with Enum based on Int64.
            if ( $null -eq ("JsonEnumTest" -as "Type")) {
                $enum1 = "TestEnum" + (Get-Random)
                $enum2 = "TestEnum" + (Get-Random)
                $enum3 = "TestEnum" + (Get-Random)

                $jsontype = Add-Type -pass -TypeDef "
                public enum $enum1 : ulong { One = 1, Two = 2 };
                public enum $enum2 : long  { One = 1, Two = 2 };
                public enum $enum3 : int   { One = 1, Two = 2 };
                public class JsonEnumTest {
                    public $enum1 TestEnum1 = ${enum1}.One;
                    public $enum2 TestEnum2 = ${enum2}.Two;
                    public $enum3 TestEnum3 = ${enum3}.One;
                }"
            }
            $op = [JsonEnumTest]::New() | ConvertTo-Json | ConvertFrom-Json
            $op.TestEnum1 | Should -BeExactly "One"
            $op.TestEnum2 | Should -BeExactly "Two"
            $op.TestEnum3 | Should -Be 1
        }

        It "Test followup for Windows 8 bug 121627" {

            $JsonString = Get-Command Get-help |Select-Object Name, Noun, Verb| ConvertTo-Json
            $actual = ConvertFrom-Json $JsonString

            $actual.Name | Should -BeExactly "Get-Help"
            $actual.Noun | Should -BeExactly "Help"
            $actual.Verb | Should -BeExactly "Get"
        }
    }

    Context "ConvertFrom and ConvertTo on JsonObject Tests" {

        It "Convert dictionary to PSObject" {

            $response = ConvertFrom-Json '{"d":{"__type":"SimpleJsonObject","Name":{"First":"Joel","Last":"Wood"},"Greeting":"Hello"}}'
            $response.d.Name.First | Should -Match "Joel"
        }

        It "Convert to Json using PSObject" -Pending:($IsCoreCLR) {

            $response = ConvertFrom-Json '{"d":{"__type":"SimpleJsonObject","Name":{"First":"Joel","Last":"Wood"},"Greeting":"Hello"}}'

            $response2 = ConvertTo-Json -InputObject $response -ErrorAction Continue
            $response2 = ConvertTo-Json -InputObject $response -ErrorAction Inquire
            $response2 = ConvertTo-Json -InputObject $response -ErrorAction SilentlyContinue
            $response2 = ConvertTo-Json -InputObject $response -Depth 2 -Compress
            $response2 | Should -Be '{"d":{"Name":{"First":"Joel","Last":"Wood"},"Greeting":"Hello"}}'

            $response2 = ConvertTo-Json -InputObject $response -Depth 1 -Compress
            $nameString = [System.Management.Automation.LanguagePrimitives]::ConvertTo($response.d.Name, [string])
            $response2 | Should -BeExactly "{`"d`":{`"Name`":`"$nameString`",`"Greeting`":`"Hello`"}}"

            $result1 = @"
{
    "d":  {
              "Name":  {
                           "First":  "Joel",
                           "Last":  "Wood"
                       },
              "Greeting":  "Hello"
          }
}
"@
            $response2 = ConvertTo-Json -InputObject $response -Depth 2
            $response2 | Should -Match $result1

            $result2 = @"
{
    "d":  {
              "Name":  "$nameString",
              "Greeting":  "Hello"
          }
}
"@
            $response2 = ConvertTo-Json -InputObject $response -Depth 1
            $response2 | Should -Match $result2

            $arraylist = New-Object System.Collections.ArrayList
            [void]$arraylist.Add("one")
            [void]$arraylist.Add("two")
            [void]$arraylist.Add("three")
            $response2 = ConvertTo-Json -InputObject $arraylist -Compress
            $response2 | Should -Be '["one","two","three"]'

            $result3 = @"
[
    "one",
    "two",
    "three"
]
"@
            $response2 = ConvertTo-Json -InputObject $arraylist
            $response2 | Should -Be $result3

            $response2 = $arraylist | ConvertTo-Json
            $response2 | Should -Be $result3
        }

        It "Convert to Json using hashtable" -Pending:($IsCoreCLR) {

            $nameHash = @{First="Joe1";Last="Wood"}
            $dHash = @{Name=$nameHash; Greeting="Hello"}
            $rootHash = @{d=$dHash}
            $response3 = ConvertTo-Json -InputObject $rootHash -Depth 2 -Compress
            $response3 | Should -Be '{"d":{"Greeting":"Hello","Name":{"Last":"Wood","First":"Joe1"}}}'

            $response3 = ConvertTo-Json -InputObject $rootHash -Depth 1 -Compress
            $response3 | Should -Be '{"d":{"Greeting":"Hello","Name":"System.Collections.Hashtable"}}'

            $result4 = @"
{
    "d":  {
              "Greeting":  "Hello",
              "Name":  {
                           "Last":  "Wood",
                           "First":  "Joe1"
                       }
          }
}
"@
            $response3 = ConvertTo-Json -InputObject $rootHash -Depth 2
            $response3 | Should -Be $result4

            $result5 = @"
{
    "d":  {
              "Greeting":  "Hello",
              "Name":  "System.Collections.Hashtable"
          }
}
"@
            $response3 = ConvertTo-Json -InputObject $rootHash -Depth 1
            $response3 | Should -Be $result5
        }

        It "Convert from Json allows an empty string" {

            $emptyStringResult = ConvertFrom-Json ""
            $emptyStringResult | Should -BeNullOrEmpty
        }

        It "Convert enumerated values to Json" {

            $sampleObject = [pscustomobject]@{
                PSTypeName = 'Test.EnumSample'
                SampleSimpleEnum = [System.Management.Automation.ActionPreference]::Ignore
                SampleBitwiseEnum = [System.Management.Automation.CommandTypes]'Alias,Function,Cmdlet'
            }

            $response4 = ConvertTo-Json -InputObject $sampleObject -Compress
            $response4 | Should -Be '{"SampleSimpleEnum":4,"SampleBitwiseEnum":11}'

            $response4 = ConvertTo-Json -InputObject $sampleObject -Compress -EnumsAsStrings
            $response4 | Should -Be '{"SampleSimpleEnum":"Ignore","SampleBitwiseEnum":"Alias, Function, Cmdlet"}'

        }

    }

    Context "JsonObject Tests" {

        It "AddMember on JsonObject" {

            # create a Version object
            $versionObject = New-Object System.Version 2, 3, 4, 14

            # add a NoteProperty member called Note with a text note
            $versionObject | Add-Member -MemberType NoteProperty -Name Note -Value "a version object"

            # add an AliasProperty called Rev as an alias to the Revision property
            $versionObject | Add-Member -MemberType AliasProperty -Name Rev -Value Revision

            # add a ScriptProperty called IsOld which returns whether the version is an older version
            $versionObject | Add-Member -MemberType ScriptProperty -Name IsOld -Value { ($this.Major -le 3) }
            $jstr = ConvertTo-Json $versionObject

            # convert the JSON string to a JSON object
            $json = ConvertFrom-Json $jstr

            # Check the basic properties
            $json.Major | Should -Be 2
            $json.Minor | Should -Be 3
            $json.Build | Should -Be 4
            $json.Revision | Should -Be 14
            $json.Note | Should -Match "a version object"

            # Check the AliasProperty
            $json.Rev | Should -Be $json.Revision

            # Check the ScriptProperty
            $json.IsOld | Should -BeTrue
        }

        It "ConvertFrom-Json with a key value pair" {

            $json = "{name:1}"
            $result = ConvertFrom-Json $json
            $result.name | Should -Be 1
        }

        It "ConvertFrom-Json with a simple array" {

            $json = "[1,2,3,4,5,6]"
            $result = ConvertFrom-Json $json
            $result.Count | Should -Be 6
            ,$result | Should -BeOfType System.Array
        }

        It "ConvertFrom-Json with a float value" {

            $json = '{"SampleFloat1":1.2345E67, "SampleFloat2":-7.6543E-12}'
            $result = ConvertFrom-Json $json

            $sampleFloat1 = Invoke-Expression 1.2345E67
            $result.SampleFloat1 | Should -Be $sampleFloat1

            $sampleFloat2 = Invoke-Expression -7.6543E-12
            $result.SampleFloat2 | Should -Be $sampleFloat2
        }

        It "ConvertFrom-Json hash table nested in array" {

            $json = "['one', 'two', {'First':1,'Second':2,'Third':['Five','Six', 'Seven']}, 'four']"
            $result = ConvertFrom-Json $json

            $result.Count | Should -Be 4
            $result[0] | Should -BeExactly "one"
            $result[1] | Should -BeExactly "two"
            $result[3] | Should -BeExactly "four"

            $hash = $result[2]
            $hash.First | Should -Be 1
            $hash.Second | Should -Be 2
            $hash.Third.Count | Should -Be 3
            $hash.Third[0] | Should -BeExactly "Five"
            $hash.Third[1] | Should -BeExactly "Six"
            $hash.Third[2] | Should -BeExactly "Seven"
        }

        It "ConvertFrom-Json array nested in hash table" {

            $json = '{"First":["one", "two", "three"], "Second":["four", "five"], "Third": {"blah": 4}}'
            $result = ConvertFrom-Json $json

            $result.First.Count | Should -Be 3
            $result.First[0] | Should -BeExactly "one"
            $result.First[1] | Should -BeExactly "two"
            $result.First[2] | Should -BeExactly "three"

            $result.Second.Count | Should -Be 2
            $result.Second[0] | Should -BeExactly "four"
            $result.Second[1] | Should -BeExactly "five"

            $result.Third.blah | Should -BeExactly "4"
        }

        It "ConvertFrom-Json case insensitive test" {

            $json = '{"sAMPleValUE":12345}'
            $result = ConvertFrom-Json $json

            $result.SampleValue | Should -Be 12345
        }

        It "ConvertFrom-Json sample values" {

            $json = '{"SampleInt":98765, "SampleString":"stringVal","SampleArray":[2,"two"], "SampleTrue":true, "SampleFalse":false,"SampleNull":null, "SampleFloat":9.8765E43}'
            $result = ConvertFrom-Json $json

            # Validate the result object
            ValidateSampleObject -result $result

            $json = '{"SampleInt":98765, "SampleString":"stringVal","SampleArray":[2,"two"], "SampleTrue":true, ' +
                    '"SampleFalse":false,"SampleNull":null, "SampleFloat":9.8765E43, "SampleObject":'+
                    '{"SampleInt":98765, "SampleString":"stringVal","SampleArray":[2,"two"], '+
                    '"SampleTrue":true, "SampleFalse":false,"SampleNull":null, "SampleFloat":9.8765E43}}'

            # Validate the result object
            $result = ConvertFrom-Json $json
            ValidateSampleObject -result $result -hasEmbeddedSampleObject
        }

		It "ConvertFrom-Json correctly processes datetimes vs strings using newtonsoft conventions" {
			# Create all the various "standard" date formats from a source date 2008-09-22T14:01:54.9571247Z
			# Then we deserialize them and verify which ones newtonsoft decides to make into datetimes and which ones newtonsoft keeps as strings
			# For the ones that are datetimes, make sure they retain all of the various formats correctly
			# for the ones that are strings just verify that they are actually strings.

			$json = @"
{
	"date-s-should-parse-as-datetime": "2008-09-22T14:01:54",
	"date-upperO-should-parse-as-datetime": "2008-09-22T14:01:54.9571247Z",

	"date-o-should-parse-as-string": "2019-12-17T06:14:06 +06:00",
	"date-upperD-should-parse-as-string": "Monday, September 22, 2008",
	"date-f-should-parse-as-string": "Monday, September 22, 2008 2:01 PM",
	"date-upperF-should-parse-as-string": "Monday, September 22, 2008 2:01:54 PM",
	"date-g-should-parse-as-string": "9/22/2008 2:01 PM",
	"date-upperG-should-parse-as-string": "9/22/2008 2:01:54 PM",
	"date-m-should-parse-as-string": "September 22",
	"date-upperM-should-parse-as-string": "September 22",
	"date-upperR-should-parse-as-string": "Mon, 22 Sep 2008 14:01:54 GMT",
	"date-t-should-parse-as-string": "2:01 PM",
	"date-upperT-should-parse-as-string": "2:01:54 PM",
	"date-u-should-parse-as-string": "2008-09-22 14:01:54Z",
	"date-upperU-should-parse-as-string": "Monday, September 22, 2008 2:01:54 PM",
	"date-upperY-should-parse-as-string": "September 2008",
	"date-y-should-parse-as-string": "September 2008"
}
"@
			foreach ($asHashtableOption in @($True, $False)) {
				$result = ConvertFrom-Json $json -AsHashtable:$asHashtableOption

                # If the timezone is not specified in the input string newtonsoft assumes the system timezone.
                # this means that some tests will fail locally but work on the build farm and vice-versa.
                # this is used to force the datetime into UTC without changing the value so 4PM Central becomes 4PM UTC instead of becoming 10PM UTC
                $result."date-s-should-parse-as-datetime" = [datetime]::SpecifyKind($result."date-s-should-parse-as-datetime", [System.DateTimeKind]::Utc)
				$result."date-s-should-parse-as-datetime".ToString("d") | Should -Be "9/22/2008"
				$result."date-s-should-parse-as-datetime".ToString("D") | Should -Be "Monday, September 22, 2008"
				$result."date-s-should-parse-as-datetime".ToString("f") | Should -Be "Monday, September 22, 2008 2:01 PM"
				$result."date-s-should-parse-as-datetime".ToString("F") | Should -Be "Monday, September 22, 2008 2:01:54 PM"
				$result."date-s-should-parse-as-datetime".ToString("g") | Should -Be "9/22/2008 2:01 PM"
				$result."date-s-should-parse-as-datetime".ToString("G") | Should -Be "9/22/2008 2:01:54 PM"
				$result."date-s-should-parse-as-datetime".ToString("m") | Should -Be "September 22"
				$result."date-s-should-parse-as-datetime".ToString("M") | Should -Be "September 22"
				$result."date-s-should-parse-as-datetime".ToString("o") | Should -Be "2008-09-22T14:01:54.0000000Z"
				$result."date-s-should-parse-as-datetime".ToString("O") | Should -Be "2008-09-22T14:01:54.0000000Z"
				$result."date-s-should-parse-as-datetime".ToString("R") | Should -Be "Mon, 22 Sep 2008 14:01:54 GMT"
				$result."date-s-should-parse-as-datetime".ToString("s") | Should -Be "2008-09-22T14:01:54"
				$result."date-s-should-parse-as-datetime".ToString("t") | Should -Be "2:01 PM"
				$result."date-s-should-parse-as-datetime".ToString("T") | Should -Be "2:01:54 PM"
				$result."date-s-should-parse-as-datetime".ToString("u") | Should -Be "2008-09-22 14:01:54Z"
				$result."date-s-should-parse-as-datetime".ToString("U") | Should -Be "Monday, September 22, 2008 2:01:54 PM"
				$result."date-s-should-parse-as-datetime".ToString("Y") | Should -Be "September 2008"
				$result."date-s-should-parse-as-datetime".ToString("y") | Should -Be "September 2008"
				$result."date-s-should-parse-as-datetime" | Should -BeOfType [DateTime]

                $result."date-upperO-should-parse-as-datetime" = [datetime]::SpecifyKind($result."date-upperO-should-parse-as-datetime", [System.DateTimeKind]::Utc)
				$result."date-upperO-should-parse-as-datetime".ToString("d") | Should -Be "9/22/2008"
				$result."date-upperO-should-parse-as-datetime".ToString("D") | Should -Be "Monday, September 22, 2008"
				$result."date-upperO-should-parse-as-datetime".ToString("f") | Should -Be "Monday, September 22, 2008 2:01 PM"
				$result."date-upperO-should-parse-as-datetime".ToString("F") | Should -Be "Monday, September 22, 2008 2:01:54 PM"
				$result."date-upperO-should-parse-as-datetime".ToString("g") | Should -Be "9/22/2008 2:01 PM"
				$result."date-upperO-should-parse-as-datetime".ToString("G") | Should -Be "9/22/2008 2:01:54 PM"
				$result."date-upperO-should-parse-as-datetime".ToString("m") | Should -Be "September 22"
				$result."date-upperO-should-parse-as-datetime".ToString("M") | Should -Be "September 22"
				$result."date-upperO-should-parse-as-datetime".ToString("o") | Should -Be "2008-09-22T14:01:54.9571247Z"
				$result."date-upperO-should-parse-as-datetime".ToString("O") | Should -Be "2008-09-22T14:01:54.9571247Z"
				$result."date-upperO-should-parse-as-datetime".ToString("R") | Should -Be "Mon, 22 Sep 2008 14:01:54 GMT"
				$result."date-upperO-should-parse-as-datetime".ToString("s") | Should -Be "2008-09-22T14:01:54"
				$result."date-upperO-should-parse-as-datetime".ToString("t") | Should -Be "2:01 PM"
				$result."date-upperO-should-parse-as-datetime".ToString("T") | Should -Be "2:01:54 PM"
				$result."date-upperO-should-parse-as-datetime".ToString("u") | Should -Be "2008-09-22 14:01:54Z"
				$result."date-upperO-should-parse-as-datetime".ToString("U") | Should -Be "Monday, September 22, 2008 2:01:54 PM"
				$result."date-upperO-should-parse-as-datetime".ToString("Y") | Should -Be "September 2008"
				$result."date-upperO-should-parse-as-datetime".ToString("y") | Should -Be "September 2008"
				$result."date-upperO-should-parse-as-datetime" | Should -BeOfType [DateTime]

				$result."date-o-should-parse-as-string" | Should -Be "2019-12-17T06:14:06 +06:00"
				$result."date-o-should-parse-as-string" | Should -BeOfType [String]
				$result."date-f-should-parse-as-string" | Should -Be "Monday, September 22, 2008 2:01 PM"
				$result."date-f-should-parse-as-string" | Should -BeOfType [String]
				$result."date-g-should-parse-as-string" | Should -Be "9/22/2008 2:01 PM"
				$result."date-g-should-parse-as-string" | Should -BeOfType [String]
				$result."date-m-should-parse-as-string" | Should -Be "September 22"
				$result."date-m-should-parse-as-string" | Should -BeOfType [String]
				$result."date-upperM-should-parse-as-string" | Should -Be "September 22"
				$result."date-upperM-should-parse-as-string" | Should -BeOfType [String]
				$result."date-t-should-parse-as-string" | Should -Be "2:01 PM"
				$result."date-t-should-parse-as-string" | Should -BeOfType [String]
				$result."date-u-should-parse-as-string" | Should -Be "2008-09-22 14:01:54Z"
				$result."date-u-should-parse-as-string" | Should -BeOfType [String]
				$result."date-upperD-should-parse-as-string" | Should -Be "Monday, September 22, 2008"
				$result."date-upperD-should-parse-as-string" | Should -BeOfType [String]
				$result."date-upperF-should-parse-as-string" | Should -Be "Monday, September 22, 2008 2:01:54 PM"
				$result."date-upperF-should-parse-as-string" | Should -BeOfType [String]
				$result."date-upperG-should-parse-as-string" | Should -Be "9/22/2008 2:01:54 PM"
				$result."date-upperG-should-parse-as-string" | Should -BeOfType [String]
				$result."date-upperR-should-parse-as-string" | Should -Be "Mon, 22 Sep 2008 14:01:54 GMT"
				$result."date-upperR-should-parse-as-string" | Should -BeOfType [String]
				$result."date-upperT-should-parse-as-string" | Should -Be "2:01:54 PM"
				$result."date-upperT-should-parse-as-string" | Should -BeOfType [String]
				$result."date-upperU-should-parse-as-string" | Should -Be "Monday, September 22, 2008 2:01:54 PM"
				$result."date-upperU-should-parse-as-string" | Should -BeOfType [String]
				$result."date-upperY-should-parse-as-string" | Should -Be "September 2008"
				$result."date-upperY-should-parse-as-string" | Should -BeOfType [String]
				$result."date-y-should-parse-as-string" | Should -Be "September 2008"
				$result."date-y-should-parse-as-string" | Should -BeOfType [String]
			}
		}

		It "ConvertFrom-Json properly parses complex objects" {
			$json = @"
{
"_id": "60dd3ea9253016932039a0a2",
"index": 0,
"guid": "429b96a7-24e3-47de-a93b-f44a346c5ac9",
"isActive": false,
"balance": "$2,039.72",
"picture": "http://placehold.it/32x32",
"age": 35,
"eyeColor": "green",
"name": "Rhodes Roberson",
"gender": "male",
"company": "INSECTUS",
"email": "rhodesroberson@insectus.com",
"phone": "+1 (883) 561-3999",
"address": "931 Kings Place, Hartsville/Hartley, Federated States Of Micronesia, 9344",
"about": "Ipsum pariatur nisi eiusmod aliquip in cupidatat. Deserunt non sit anim consectetur consectetur incididunt elit qui id proident nostrud. Consectetur pariatur et adipisicing aliquip fugiat fugiat Lorem reprehenderit laboris magna. Duis veniam irure amet ex minim eiusmod et laborum non elit. Dolor enim Lorem occaecat nisi consectetur mollit laborum anim velit et. Irure aliquip eiusmod anim proident ex ea duis deserunt aute amet adipisicing nisi nostrud. Minim ipsum fugiat consequat mollit fugiat tempor fugiat.",
"registered": "2019-12-17T06:14:06 +06:00",
"latitude": 51.890798,
"longitude": -47.522764,
"tags": [
  "laboris",
  "voluptate",
  "amet",
  "ad",
  "velit",
  "ipsum",
  "do"
],
"friends": [
  {
	"id": 0,
	"name": "Renee Holden"
  },
  {
	"id": 1,
	"name": "Bennett Dixon"
  },
  {
	"id": 2,
	"name": "Emilia Holder"
  }
],
"greeting": "Hello, Rhodes Roberson! You have 9 unread messages.",
"favoriteFruit": "banana"
}
"@
			$result = ConvertFrom-Json $Json
			$result."about"| Should -BeExactly "Ipsum pariatur nisi eiusmod aliquip in cupidatat. Deserunt non sit anim consectetur consectetur incididunt elit qui id proident nostrud. Consectetur pariatur et adipisicing aliquip fugiat fugiat Lorem reprehenderit laboris magna. Duis veniam irure amet ex minim eiusmod et laborum non elit. Dolor enim Lorem occaecat nisi consectetur mollit laborum anim velit et. Irure aliquip eiusmod anim proident ex ea duis deserunt aute amet adipisicing nisi nostrud. Minim ipsum fugiat consequat mollit fugiat tempor fugiat."
			$result."about" | Should -BeOfType [String]
			$result."address"| Should -BeExactly "931 Kings Place, Hartsville/Hartley, Federated States Of Micronesia, 9344"
			$result."address" | Should -BeOfType [String]
			$result."age" | Should -BeOfType [Int64]
			$result."balance"| Should -BeExactly ",039.72"
			$result."balance" | Should -BeOfType [String]
			$result."company"| Should -BeExactly "INSECTUS"
			$result."company" | Should -BeOfType [String]
			$result."email"| Should -BeExactly "rhodesroberson@insectus.com"
			$result."email" | Should -BeOfType [String]
			$result."eyeColor"| Should -BeExactly "green"
			$result."eyeColor" | Should -BeOfType [String]
			$result."favoriteFruit"| Should -BeExactly "banana"
			$result."favoriteFruit" | Should -BeOfType [String]
			$result."gender"| Should -BeExactly "male"
			$result."gender" | Should -BeOfType [String]
			$result."greeting"| Should -BeExactly "Hello, Rhodes Roberson! You have 9 unread messages."
			$result."greeting" | Should -BeOfType [String]
			$result."guid"| Should -BeExactly "429b96a7-24e3-47de-a93b-f44a346c5ac9"
			$result."guid" | Should -BeOfType [String]
			$result."index" | Should -BeOfType [Int64]
			$result."isActive"| Should -Be False
			$result."isActive" | Should -BeOfType [Boolean]
			$result."latitude"| Should -Be 51.890798
			$result."latitude" | Should -BeOfType [Double]
			$result."longitude"| Should -Be -47.522764
			$result."longitude" | Should -BeOfType [Double]
			$result."name"| Should -BeExactly "Rhodes Roberson"
			$result."name" | Should -BeOfType [String]
			$result."phone"| Should -BeExactly "+1 (883) 561-3999"
			$result."phone" | Should -BeOfType [String]
			$result."picture"| Should -BeExactly "http://placehold.it/32x32"
			$result."picture" | Should -BeOfType [String]
			$result."registered"| Should -BeExactly "2019-12-17T06:14:06 +06:00"
			$result."registered" | Should -BeOfType [String]
			$result."_id"| Should -BeExactly "60dd3ea9253016932039a0a2"
			$result."_id" | Should -BeOfType [String]

			$result.Tags | Should -BeOfType [string]

			$result.Tags.count | Should -Be 7
			$result.Tags[0] | Should -BeExactly "laboris"
			$result.Tags | Should -Be @("laboris", "voluptate", "amet", "ad", "velit", "ipsum", "do")

			$result.Friends | Should -BeOfType [pscustomobject]
			$result.Friends[0].id | Should -Be 0
			$result.Friends[0].name | Should -BeExactly "Renee Holden"
			$result.Friends[1].id | Should -Be 1
			$result.Friends[1].name | Should -BeExactly "Bennett Dixon"
			$result.Friends[2].id | Should -Be 2
			$result.Friends[2].name | Should -BeExactly "Emilia Holder"
		}

		It "ConvertFrom-Json chooses the appropriate number type" {
			ConvertFrom-Json -InputObject "5" | should -Be 5
			ConvertFrom-Json -InputObject 5 | should -Be 5
			ConvertFrom-Json -InputObject "5" | should -BeOfType [int64]
			ConvertFrom-Json -InputObject 5 | should -BeOfType [int64]
			ConvertFrom-Json -InputObject 5000000000000 | should -Be 5000000000000
			ConvertFrom-Json -InputObject "5000000000000" | should -Be "5000000000000"
			ConvertFrom-Json -InputObject "5000000000000" | should -BeOfType [int64]
			ConvertFrom-Json -InputObject 5000000000000 | should -BeOfType [int64]
			ConvertFrom-Json -InputObject "5.0" | should -Be 5.0
			ConvertFrom-Json -InputObject 5.0 | should -Be 5.0
			ConvertFrom-Json -InputObject "5.0" | should -BeOfType [double]
			ConvertFrom-Json -InputObject 5.0 | should -BeOfType [double]

			# The decimal is lost but only when this is quoted
			ConvertFrom-Json -InputObject "500000000000.0000000000000001" | should -Be "500000000000"

			# Counter intuitively all four of these tests pass because precision is lost on both sides of the test, likely due to powershell number handling
			ConvertFrom-Json -InputObject 500000000000.0000000000000001 | should -Be 500000000000
			ConvertFrom-Json -InputObject 500000000000.0000000000000001 | should -Be 500000000000.0000000000000001
			ConvertFrom-Json -InputObject 500000000000 | should -Be 500000000000.0000000000000001
			ConvertFrom-Json -InputObject 500000000000 | should -Be 500000000000

			ConvertFrom-Json -InputObject "500000000000.0000000000000001" | should -BeOfType [double]
			ConvertFrom-Json -InputObject 500000000000.0000000000000001 | should -BeOfType [double]

			# these tests also pass because precision is lost during conversion/powershell handling
			ConvertFrom-Json -InputObject "50000000000000000000000000000000000.0000000000000001" | should -Be "5E+34"
			ConvertFrom-Json -InputObject 50000000000000000000000000000000000.0000000000000001 | should -Be "5E+34"

			ConvertFrom-Json -InputObject "50000000000000000000000000000000000.0000000000000001" | should -BeOfType [double]
			ConvertFrom-Json -InputObject 50000000000000000000000000000000000.0000000000000001 | should -BeOfType [double]


			ConvertFrom-Json -InputObject "50000000000000000000000000000000000" | should -Be 50000000000000000000000000000000000
			ConvertFrom-Json -InputObject 50000000000000000000000000000000000 | should -Be 50000000000000000000000000000000000
			ConvertFrom-Json -InputObject "50000000000000000000000000000000000" | should -BeOfType [BigInt]
			ConvertFrom-Json -InputObject 50000000000000000000000000000000000 | should -BeOfType [BigInt]
		}

        It "ConvertFrom-Json with special characters" {

            $json = '{"SampleValue":"\"\\\b\f\n\r\t\u4321\uD7FF"}'
            $result = ConvertFrom-Json $json
            $result.SampleValue[0] | Should -Be '"'
            $result.SampleValue[1] | Should -Be '\'
            $result.SampleValue[2] | Should -Be 0x8
            $result.SampleValue[3] | Should -Be 0xC
            $result.SampleValue[4] | Should -Be 0xA
            $result.SampleValue[5] | Should -Be 0xD
            $result.SampleValue[6] | Should -Be 0x9
            $result.SampleValue[7] | Should -Be 0x4321
            $result.SampleValue[8] | Should -Be 0xD7FF
        }
    }
}

# This Describe is for new Json tests
#
Describe "Validate Json serialization" -Tags "CI" {

    Context "Validate Json serialization ascii values" {

        $testCases = @(
            @{
                TestInput = 0
                ToJson = if ( $IsCoreCLR ) { '"\u0000"' } else { 'null' }
                FromJson = ''
             }
            @{
                TestInput = 1
                ToJson = '"\u0001"'
                FromJson = ''
             }
            @{
                TestInput = 2
                ToJson = '"\u0002"'
                FromJson = ''
             }
            @{
                TestInput = 3
                ToJson = '"\u0003"'
                FromJson = ''
             }
            @{
                TestInput = 4
                ToJson = '"\u0004"'
                FromJson = ''
             }
            @{
                TestInput = 5
                ToJson = '"\u0005"'
                FromJson = ''
             }
            @{
                TestInput = 6
                ToJson = '"\u0006"'
                FromJson = ''
             }
            @{
                TestInput = 7
                ToJson = '"\u0007"'
                FromJson = ''
             }
            @{
                TestInput = 8
                ToJson = '"\b"'
                FromJson = ''
             }
            @{
                TestInput = 9
                ToJson = '"\t"'
                FromJson = '	'
             }
            @{
                TestInput = 10
                ToJson = '"\n"'
                FromJson = "`n"
             }
            @{
                TestInput = 11
                ToJson = '"\u000b"'
                FromJson = ''
             }
            @{
                TestInput = 12
                ToJson = '"\f"'
                FromJson = ''
             }
            @{
                TestInput = 13
                ToJson = '"\r"'
                FromJson = ''
             }
            @{
                TestInput = 14
                ToJson = '"\u000e"'
                FromJson = ''
             }
            @{
                TestInput = 15
                ToJson = '"\u000f"'
                FromJson = ''
             }
            @{
                TestInput = 16
                ToJson = '"\u0010"'
                FromJson = ''
             }
            @{
                TestInput = 17
                ToJson = '"\u0011"'
                FromJson = ''
             }
            @{
                TestInput = 18
                ToJson = '"\u0012"'
                FromJson = ''
             }
            @{
                TestInput = 19
                ToJson = '"\u0013"'
                FromJson = ''
             }
            @{
                TestInput = 20
                ToJson = '"\u0014"'
                FromJson = ''
             }
            @{
                TestInput = 21
                ToJson = '"\u0015"'
                FromJson = ''
             }
            @{
                TestInput = 22
                ToJson = '"\u0016"'
                FromJson = ''
             }
            @{
                TestInput = 23
                ToJson = '"\u0017"'
                FromJson = ''
             }
            @{
                TestInput = 24
                ToJson = '"\u0018"'
                FromJson = ''
             }
            @{
                TestInput = 25
                ToJson = '"\u0019"'
                FromJson = ''
             }
            @{
                TestInput = 26
                ToJson = '"\u001a"'
                FromJson = ''
             }
            @{
                TestInput = 27
                ToJson = '"\u001b"'
                FromJson = ''
             }
            @{
                TestInput = 28
                ToJson = '"\u001c"'
                FromJson = ''
             }
            @{
                TestInput = 29
                ToJson = '"\u001d"'
                FromJson = ''
             }
            @{
                TestInput = 30
                ToJson = '"\u001e"'
                FromJson = ''
             }
            @{
                TestInput = 31
                ToJson = '"\u001f"'
                FromJson = ''
             }
            @{
                TestInput = 32
                ToJson = '" "'
                FromJson = ' '
             }
            @{
                TestInput = 33
                ToJson = '"!"'
                FromJson = '!'
             }
            @{
                TestInput = 34
                ToJson = '"\""'
                FromJson = '"'
             }
            @{
                TestInput = 35
                ToJson = '"#"'
                FromJson = '#'
             }
            @{
                TestInput = 36
                ToJson = '"$"'
                FromJson = '$'
             }
            @{
                TestInput = 37
                ToJson = '"%"'
                FromJson = '%'
             }
            @{
                TestInput = 38
                ToJson = if ( $IsCoreCLR ) { '"&"' } else { '"\u0026"' }
                FromJson = '&'
             }
            @{
                TestInput = 39
                ToJson = if ( $IsCoreCLR ) { '"''"' } else { '"\u0027"' }
                FromJson = "'"
             }
            @{
                TestInput = 40
                ToJson = '"("'
                FromJson = '('
             }
            @{
                TestInput = 41
                ToJson = '")"'
                FromJson = ')'
             }
            @{
                TestInput = 42
                ToJson = '"*"'
                FromJson = '*'
             }
            @{
                TestInput = 43
                ToJson = '"+"'
                FromJson = '+'
             }
            @{
                TestInput = 44
                ToJson = '","'
                FromJson = ','
             }
            @{
                TestInput = 45
                ToJson = '"-"'
                FromJson = '-'
             }
            @{
                TestInput = 46
                ToJson = '"."'
                FromJson = '.'
             }
            @{
                TestInput = 47
                ToJson = '"/"'
                FromJson = '/'
             }
            @{
                TestInput = 48
                ToJson = '"0"'
                FromJson = '0'
             }
            @{
                TestInput = 49
                ToJson = '"1"'
                FromJson = '1'
             }
            @{
                TestInput = 50
                ToJson = '"2"'
                FromJson = '2'
             }
            @{
                TestInput = 51
                ToJson = '"3"'
                FromJson = '3'
             }
            @{
                TestInput = 52
                ToJson = '"4"'
                FromJson = '4'
             }
            @{
                TestInput = 53
                ToJson = '"5"'
                FromJson = '5'
             }
            @{
                TestInput = 54
                ToJson = '"6"'
                FromJson = '6'
             }
            @{
                TestInput = 55
                ToJson = '"7"'
                FromJson = '7'
             }
            @{
                TestInput = 56
                ToJson = '"8"'
                FromJson = '8'
             }
            @{
                TestInput = 57
                ToJson = '"9"'
                FromJson = '9'
             }
            @{
                TestInput = 58
                ToJson = '":"'
                FromJson = ':'
             }
            @{
                TestInput = 59
                ToJson = '";"'
                FromJson = ';'
             }
            @{
                TestInput = 60
                ToJson = if ( $IsCoreCLR ) { '"<"' } else { '"\u003c"' }
                FromJson = '<'
             }
            @{
                TestInput = 61
                ToJson = '"="'
                FromJson = '='
             }
            @{
                TestInput = 62
                ToJson = if ( $IsCoreCLR ) { '">"' } else { '"\u003e"' }
                FromJson = '>'
             }
            @{
                TestInput = 63
                ToJson = '"?"'
                FromJson = '?'
             }
            @{
                TestInput = 64
                ToJson = '"@"'
                FromJson = '@'
             }
            @{
                TestInput = 65
                ToJson = '"A"'
                FromJson = 'A'
             }
            @{
                TestInput = 66
                ToJson = '"B"'
                FromJson = 'B'
             }
            @{
                TestInput = 67
                ToJson = '"C"'
                FromJson = 'C'
             }
            @{
                TestInput = 68
                ToJson = '"D"'
                FromJson = 'D'
             }
            @{
                TestInput = 69
                ToJson = '"E"'
                FromJson = 'E'
             }
            @{
                TestInput = 70
                ToJson = '"F"'
                FromJson = 'F'
             }
            @{
                TestInput = 71
                ToJson = '"G"'
                FromJson = 'G'
             }
            @{
                TestInput = 72
                ToJson = '"H"'
                FromJson = 'H'
             }
            @{
                TestInput = 73
                ToJson = '"I"'
                FromJson = 'I'
             }
            @{
                TestInput = 74
                ToJson = '"J"'
                FromJson = 'J'
             }
            @{
                TestInput = 75
                ToJson = '"K"'
                FromJson = 'K'
             }
            @{
                TestInput = 76
                ToJson = '"L"'
                FromJson = 'L'
             }
            @{
                TestInput = 77
                ToJson = '"M"'
                FromJson = 'M'
             }
            @{
                TestInput = 78
                ToJson = '"N"'
                FromJson = 'N'
             }
            @{
                TestInput = 79
                ToJson = '"O"'
                FromJson = 'O'
             }
            @{
                TestInput = 80
                ToJson = '"P"'
                FromJson = 'P'
             }
            @{
                TestInput = 81
                ToJson = '"Q"'
                FromJson = 'Q'
             }
            @{
                TestInput = 82
                ToJson = '"R"'
                FromJson = 'R'
             }
            @{
                TestInput = 83
                ToJson = '"S"'
                FromJson = 'S'
             }
            @{
                TestInput = 84
                ToJson = '"T"'
                FromJson = 'T'
             }
            @{
                TestInput = 85
                ToJson = '"U"'
                FromJson = 'U'
             }
            @{
                TestInput = 86
                ToJson = '"V"'
                FromJson = 'V'
             }
            @{
                TestInput = 87
                ToJson = '"W"'
                FromJson = 'W'
             }
            @{
                TestInput = 88
                ToJson = '"X"'
                FromJson = 'X'
             }
            @{
                TestInput = 89
                ToJson = '"Y"'
                FromJson = 'Y'
             }
            @{
                TestInput = 90
                ToJson = '"Z"'
                FromJson = 'Z'
             }
            @{
                TestInput = 91
                ToJson = '"["'
                FromJson = '['
             }
            @{
                TestInput = 92
                ToJson = '"\\"'
                FromJson = '\'
             }
            @{
                TestInput = 93
                ToJson = '"]"'
                FromJson = ']'
             }
            @{
                TestInput = 94
                ToJson = '"^"'
                FromJson = '^'
             }
            @{
                TestInput = 95
                ToJson = '"_"'
                FromJson = '_'
             }
            @{
                TestInput = 96
                ToJson = '"`"'
                FromJson = '`'
             }
            @{
                TestInput = 97
                ToJson = '"a"'
                FromJson = 'a'
             }
            @{
                TestInput = 98
                ToJson = '"b"'
                FromJson = 'b'
             }
            @{
                TestInput = 99
                ToJson = '"c"'
                FromJson = 'c'
             }
            @{
                TestInput = 100
                ToJson = '"d"'
                FromJson = 'd'
             }
            @{
                TestInput = 101
                ToJson = '"e"'
                FromJson = 'e'
             }
            @{
                TestInput = 102
                ToJson = '"f"'
                FromJson = 'f'
             }
            @{
                TestInput = 103
                ToJson = '"g"'
                FromJson = 'g'
             }
            @{
                TestInput = 104
                ToJson = '"h"'
                FromJson = 'h'
             }
            @{
                TestInput = 105
                ToJson = '"i"'
                FromJson = 'i'
             }
            @{
                TestInput = 106
                ToJson = '"j"'
                FromJson = 'j'
             }
            @{
                TestInput = 107
                ToJson = '"k"'
                FromJson = 'k'
             }
            @{
                TestInput = 108
                ToJson = '"l"'
                FromJson = 'l'
             }
            @{
                TestInput = 109
                ToJson = '"m"'
                FromJson = 'm'
             }
            @{
                TestInput = 110
                ToJson = '"n"'
                FromJson = 'n'
             }
            @{
                TestInput = 111
                ToJson = '"o"'
                FromJson = 'o'
             }
            @{
                TestInput = 112
                ToJson = '"p"'
                FromJson = 'p'
             }
            @{
                TestInput = 113
                ToJson = '"q"'
                FromJson = 'q'
             }
            @{
                TestInput = 114
                ToJson = '"r"'
                FromJson = 'r'
             }
            @{
                TestInput = 115
                ToJson = '"s"'
                FromJson = 's'
             }
            @{
                TestInput = 116
                ToJson = '"t"'
                FromJson = 't'
             }
            @{
                TestInput = 117
                ToJson = '"u"'
                FromJson = 'u'
             }
            @{
                TestInput = 118
                ToJson = '"v"'
                FromJson = 'v'
             }
            @{
                TestInput = 119
                ToJson = '"w"'
                FromJson = 'w'
             }
            @{
                TestInput = 120
                ToJson = '"x"'
                FromJson = 'x'
             }
            @{
                TestInput = 121
                ToJson = '"y"'
                FromJson = 'y'
             }
            @{
                TestInput = 122
                ToJson = '"z"'
                FromJson = 'z'
             }
            @{
                TestInput = 123
                ToJson = '"{"'
                FromJson = '{'
             }
            @{
                TestInput = 124
                ToJson = '"|"'
                FromJson = '|'
             }
            @{
                TestInput = 125
                ToJson = '"}"'
                FromJson = '}'
             }
            @{
                TestInput = 126
                ToJson = '"~"'
                FromJson = '~'
             }
            @{
                TestInput = 127
                ToJson = '""'
                FromJson = ''
             }
        )

        function ValidateJsonSerializationForAsciiValues
        {
            param ($testCase)

            It "Validate 'ConvertTo-Json ([char]$($testCase.TestInput))', and 'ConvertTo-Json ([char]$($testCase.TestInput)) | ConvertFrom-Json'" {

                $result = @{
                    ToJson = ConvertTo-Json ([char]$testCase.TestInput)
                    FromJson = ConvertTo-Json ([char]$testCase.TestInput) | ConvertFrom-Json
                }

                if ($testCase.FromJson)
                {
                    $result.FromJson | Should -Be $testCase.FromJson
                }
                else
                {
                    # There are two char for which the deserialized object must be compare to the serialized one via "Should Match"
                    # These values are [char]0 and [char]13.
                    $result.FromJson | Should -Match $testCase.FromJson
                }
                $result.ToJson | Should -Be $testCase.ToJson
            }
        }

        foreach ($testCase in $testCases)
        {
            ValidateJsonSerializationForAsciiValues $testCase
        }
    }

    Context "Validate Json serialization for types" {

        $testCases = @(

            ## Decimal types - Decimals are a 128-bit data type
            @{
                TestInput = '[decimal]::MinValue'
                FromJson = [decimal]::MinValue
                ToJson = [decimal]::MinValue
            }
            @{
                TestInput = '[decimal]::MaxValue'
                FromJson = [decimal]::MaxValue
                ToJson = [decimal]::MaxValue
            }

            # An sbyte is a signed 8-bit integer, and it ranges from -128 to 127.
            # A byte is an unsigned 8-bit integer that ranges from 0 to 255
            @{
                TestInput = '[byte]::MinValue'
                FromJson = [byte]::MinValue
                ToJson = [byte]::MinValue
            }
            @{
                TestInput = '[byte]::MaxValue'
                FromJson = [byte]::MaxValue
                ToJson = [byte]::MaxValue
            }
            @{
                TestInput = '[sbyte]::MinValue'
                FromJson = [sbyte]::MinValue
                ToJson = [sbyte]::MinValue
            }
            @{
                TestInput = '[sbyte]::MaxValue'
                FromJson = [sbyte]::MaxValue
                ToJson = [sbyte]::MaxValue
            }
            @{
                TestInput = '[char]::MinValue'
                FromJson = $null
                ToJson = 'null'
            }
            @{
                TestInput = '[char]::MaxValue - 1'
                FromJson = [char]::MaxValue - 1
                ToJson = [char]::MaxValue - 1
            }
            @{
                TestInput = '[string]::Empty'
                FromJson = [string]::Empty
                ToJson = '""'
            }
            @{
                TestInput = '[string]"hello"'
                FromJson = [string]"hello"
                ToJson = '"hello"'
            }

            # Int, int32, uint32, uint16, int16

            # 32-bit signed integer
            @{
                TestInput = '[int]::MaxValue'
                FromJson = [int]::MaxValue
                ToJson = [int]::MaxValue
            }
            @{
                TestInput = '[int]::MinValue'
                FromJson = [int]::MinValue
                ToJson = [int]::MinValue
            }
            @{
                TestInput = '[int32]::MaxValue'
                FromJson = [int32]::MaxValue
                ToJson = [int32]::MaxValue
            }
            @{
                TestInput = '[int32]::MinValue'
                FromJson = [int32]::MinValue
                ToJson = [int32]::MinValue
            }

            # 32-bit unsigned integer
            @{
                TestInput = '[uint32]::MaxValue'
                FromJson = [uint32]::MaxValue
                ToJson = [uint32]::MaxValue
            }
            @{
                TestInput = '[uint32]::MinValue'
                FromJson = [uint32]::MinValue
                ToJson = [uint32]::MinValue
            }

            # 16-bit unsigned integer
            @{
                TestInput = '[int16]::MinValue'
                FromJson = [int16]::MinValue
                ToJson = [int16]::MinValue
            }
            @{
                TestInput = '[uint16]::MaxValue'
                FromJson = [uint16]::MaxValue
                ToJson = [uint16]::MaxValue
            }

            # 64-bit unsigned integer
            @{
                TestInput = '[uint64]::MinValue'
                FromJson = [uint64]::MinValue
                ToJson = [uint64]::MinValue
            }
            @{
                TestInput = '[uint64]::MinValue'
                FromJson = [uint64]::MinValue
                ToJson = [uint64]::MinValue
            }

            # 64 bit signed integer
            @{
                TestInput = '[int64]::MaxValue'
                FromJson = [int64]::MaxValue
                ToJson = [int64]::MaxValue
            }
            @{
                TestInput = '[int64]::MinValue'
                FromJson = [int64]::MinValue
                ToJson = [int64]::MinValue
            }
            @{
                TestInput = '[long]::MaxValue'
                FromJson = [long]::MaxValue
                ToJson = [long]::MaxValue
            }
            @{
                TestInput = '[long]::MinValue'
                FromJson = [long]::MinValue
                ToJson = [long]::MinValue
            }

            # Bool
            @{
                TestInput = '[bool](1)'
                FromJson = [bool](1)
                ToJson = $true
            }
            @{
                TestInput = '[bool](0)'
                FromJson = $false
                ToJson = 'False'
            }

            # Decimal
            @{
                TestInput = '[decimal]::MaxValue'
                FromJson = [decimal]::MaxValue
                ToJson = [decimal]::MaxValue
            }
            @{
                TestInput = '[decimal]::MinValue'
                FromJson = [decimal]::MinValue
                ToJson = [decimal]::MinValue
            }

            # Single
            @{
                TestInput = '[single]::MaxValue'
                FromJson = "3.4028235E+38"
                ToJson = "3.4028235E+38"
            }
            @{
                TestInput = '[single]::MinValue'
                FromJson = "-3.4028235E+38"
                ToJson = "-3.4028235E+38"
            }

            # Double
            @{
                TestInput = '[double]::MaxValue'
                FromJson = [double]::MaxValue
                ToJson = [double]::MaxValue
            }
            @{
                TestInput = '[double]::MinValue'
                FromJson = [double]::MinValue
                ToJson = [double]::MinValue
            }
        )

        function ValidateJsonSerialization
        {
            param ($testCase)

            if ( $TestCase.TestInput -eq "[char]::MinValue" ) { $pending = $true } else { $pending = $false }
            It "Validate '$($testCase.TestInput) | ConvertTo-Json' and '$($testCase.TestInput) | ConvertTo-Json | ConvertFrom-Json'" -Pending:$pending {

                # The test case input is executed via invoke-expression. Then, we use this value as an input to ConvertTo-Json,
                # and the result is saved into in the $result.ToJson variable. Lastly, this value is deserialized back using
                # ConvertFrom-Json, and the value is saved to $result.FromJson for comparison.

                $expression = Invoke-Expression $testCase.TestInput
                $result = @{
                    ToJson = $expression | ConvertTo-Json
                    FromJson = $expression | ConvertTo-Json | ConvertFrom-Json
                }

                $result.ToJson | Should -Be $testCase.ToJson
                $result.FromJson | Should -Be $testCase.FromJson
            }
        }

        foreach ($testCase in $testCases)
        {
            ValidateJsonSerialization $testCase
        }
    }

    Context "Validate Json Serialization for 'Get-CimClass' and 'Get-Command'" {

        function ValidateProperties
        {
            param (
                $serialized,
                $expected,
                $properties
            )

            # Validate that the two collections are the same size.
            $expected.Count | Should -Be $serialized.Count

            for ($index = 0; $index -lt $serialized.Count; $index++)
            {
                $serializedObject = $serialized[$index]
                $expectedObject = $expected[$index]
                foreach ($property in $properties)
                {
                    # Write-Verbose "Validating $property" -Verbose
                    if ($property -eq "Qualifiers")
                    {
                        $serializedObject.$property.Count | Should -Be $expectedObject.$property.Count
                    }
                    else
                    {
                        $serializedObject.$property | Should -Be $expectedObject.$property
                    }
                }
            }
        }

        It "Validate that CimClass Properties for win32_bios can be serialized using ConvertTo-Json and ConvertFrom-Json" -Skip {

            $class = Get-CimClass win32_bios

            $result = @{
                Expected = $class.CimClassProperties | ForEach-Object {$_}
                SerializedViaJson = $class.CimClassProperties | ConvertTo-Json -Depth 10 | ConvertFrom-Json
            }

            $propertiesToValidate = @("Name", "Flags", "Qualifiers", "ReferenceClassName")

            ValidateProperties -serialized $result.SerializedViaJson -expected $result.Expected -properties $propertiesToValidate
        }

        It "Validate 'Get-Command Get-help' output with Json conversion" {

            $result = @{
                Expected = @(Get-Command Get-help)
                SerializedViaJson = @(Get-Command Get-help | ConvertTo-Json | ConvertFrom-Json)
            }

            $propertiesToValidate = @("Name", "Noun", "Verb")
            ValidateProperties -serialized $result.SerializedViaJson -expected $result.Expected -properties $propertiesToValidate
        }

        It "Validate 'Get-Command Get-Help, Get-command, Get-Member' output with Json conversion" {

            $result = @{
                Expected = @(Get-Command Get-Help, Get-Command, Get-Member)
                SerializedViaJson = @(Get-Command Get-Help, Get-Command, Get-Member) | ConvertTo-Json | ConvertFrom-Json
            }

            $propertiesToValidate = @("Name", "Source", "HelpFile")
            ValidateProperties -serialized $result.SerializedViaJson -expected $result.Expected -properties $propertiesToValidate
        }

        It "ConvertTo-JSON a dictionary of arrays" {
            $a = 1..5
            $b = 6..10

            # remove whitespace (and newline/cr) which reduces the complexity of a
            # cross-plat test
            $actual = ([ordered]@{'a'=$a;'b'=$b} | ConvertTo-Json) -replace "\s"
            $expected = @'
{
    "a":  [
              1,
              2,
              3,
              4,
              5
          ],
    "b":  [
              6,
              7,
              8,
              9,
              10
          ]
}
'@
            $expectedNoWhiteSpace = $expected -replace "\s"
            $actual | Should -Be $expectedNoWhiteSpace
        }
    }

    Context "Validate Json output is either Pretty or Compressed" {

        It "Should print a pretty Array" {
            $array = 'one', 'two', 'three'
            $response = $array | ConvertTo-Json
            ($response -split "\r?\n")[1] | Should -Be '  "one",'
        }

        It "Should print a pretty dictionary" {
            $dictionary = [Ordered]@{
                'one' = 1
                'two' = 2
                'three' = 3
            }
            $response2 = $dictionary | ConvertTo-Json
            ($response2 -split "\r?\n")[1] | Should -Be '  "one": 1,'
        }

        It "Should minify Json with Compress switch" {
            (@{ a = 1 } | ConvertTo-Json -Compress).Length | Should -Be 7
        }
    }
}

Describe "Json Bug fixes"  -Tags "Feature" {

    function RunJsonTest
    {
        param ($testCase)

        It "$($testCase.Name)" {

            # Create a nested object
            $start = 1
            $previous = @{
                Depth = $($testCase.NumberOfElements)
                Next = $null
            }

            ($($testCase.NumberOfElements)-1)..$start | ForEach-Object {
                $current = @{
                    Depth = $_
                    Next = $previous
                }
                $previous = $current
            }

            if ($testCase.ShouldThrow)
            {
                { $previous | ConvertTo-Json -Depth $testCase.MaxDepth } | Should -Throw -ErrorId $testCase.FullyQualifiedErrorId
            }
            else
            {
               	{ $previous | ConvertTo-Json -Depth $testCase.MaxDepth | ConvertFrom-Json } | Should -Not -Throw
            }
        }
    }

    $testCases = @(
        @{
            Name = "ConvertTo-Json -Depth 101 throws ParameterArgumentValidationError when the user specifies a depth greater than 100."
            NumberOfElements = 10
            MaxDepth = 101
            FullyQualifiedErrorId = "ParameterArgumentValidationError,Microsoft.PowerShell.Commands.ConvertToJsonCommand"
            ShouldThrow = $true
        }
        @{
            Name = "ConvertTo-Json and ConvertFrom-Json work for any depth less than or equal to 100."
            NumberOfElements = 100
            MaxDepth = 100
            ShouldThrow = $false
        }
        @{
            Name = "ConvertTo-Json and ConvertFrom-Json work for depth 100 with an object larger than 100."
            NumberOfElements = 105
            MaxDepth = 100
            ShouldThrow = $false
        }
    )

    foreach ($testCase in $testCases)
    {
        RunJsonTest $testCase
    }

    It "ConvertFrom-Json deserializes an array of PSObjects (in multiple lines) as a single string." {

        # Create an array of PSCustomObjects, and serialize it
        $array = [pscustomobject]@{ objectName = "object1Name"; objectValue = "object1Value" },
                 [pscustomobject]@{ objectName = "object2Name"; objectValue = "object2Value" }

        # Serialize the array to a text file
        $filePath = Join-Path $TESTDRIVE test.json
        $array | ConvertTo-Json | Out-File $filePath -Encoding utf8

        # Read the object as an array of PSObjects and deserialize it.
        $result = Get-Content $filePath | ConvertFrom-Json
        $result.Count | Should -Be 2
    }

    It "ConvertFrom-Json deserializes an array of strings (in multiple lines) as a single string." {

        $result = "[1,","2,","3]" | ConvertFrom-Json
        $result.Count | Should -Be 3
    }

    It 'ConvertTo-Json will output warning if depth is exceeded.' {
        $a = @{ a = @{ b = @{ c = @{ d = 1 } } } }
        $json = $a | ConvertTo-Json -Depth 2 -WarningVariable warningMessage -WarningAction SilentlyContinue
        $json | Should -Not -BeNullOrEmpty
        $warningMessage | Should -Not -BeNullOrEmpty
    }
}