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Fix ConvertTo-Json DateTime timezone test #27524

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Fix ConvertTo-Json DateTime timezone test #27524

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73e4083
Fix ConvertTo-Json DateTime timezone test
KirtiRamchandani May 25, 2026
ce1e23f
Stabilize DateTime JSON test
KirtiRamchandani Jun 4, 2026
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7 changes: 4 additions & 3 deletions test/powershell/Modules/Microsoft.PowerShell.Utility/ConvertTo-Json.Tests.ps1
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Expand Up @@ -134,10 +134,11 @@ Describe 'ConvertTo-Json' -tags "CI" {

It 'Should not serialize ETS properties added to DateTime' {
$date = "2021-06-24T15:54:06.796999-07:00"
$d = [DateTime]::Parse($date)
$d = [DateTimeOffset]::Parse($date, [System.Globalization.CultureInfo]::InvariantCulture, [System.Globalization.DateTimeStyles]::RoundtripKind).UtcDateTime

# need to use wildcard here due to some systems may be configured with different culture setting showing time in different format
$d | ConvertTo-Json -Compress | Should -BeLike '"2021-06-24T*'
$json = $d | ConvertTo-Json -Compress
$json | Should -Match '^"\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?Z"$'
[DateTime]::Parse($json.Trim('"'), [System.Globalization.CultureInfo]::InvariantCulture, [System.Globalization.DateTimeStyles]::RoundtripKind) | Should -Be $d
$d | ConvertTo-Json | ConvertFrom-Json | Should -Be $d
}

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