From cf22188e95b33f8471cf454797965f0724588544 Mon Sep 17 00:00:00 2001
From: Ryan Polley <rypolley+github@gmail.com>
Date: Tue, 2 Nov 2021 01:06:05 -0500
Subject: [PATCH] Add more tests to `Tee-Object -Encoding` (#14539)

---
 .../Tee-Object.Tests.ps1                      | 34 ++++++++++++++-----
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/test/powershell/Modules/Microsoft.PowerShell.Utility/Tee-Object.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Utility/Tee-Object.Tests.ps1
index 7483c4d800..6d67665c37 100644
--- a/test/powershell/Modules/Microsoft.PowerShell.Utility/Tee-Object.Tests.ps1
+++ b/test/powershell/Modules/Microsoft.PowerShell.Utility/Tee-Object.Tests.ps1
@@ -19,15 +19,33 @@ Describe "Tee-Object" -Tags "CI" {
             Remove-Item -Path $testfile -ErrorAction SilentlyContinue -Force
         }
 
-	    It "Should return the output to the screen and to the variable" {
-	        Write-Output teeobjecttest1 | Tee-Object -Variable teeresults
-	        $teeresults | Should -BeExactly "teeobjecttest1"
-	    }
+        It "Should return the output to the screen and to the variable" {
+            Write-Output teeobjecttest1 | Tee-Object -Variable teeresults
+            $teeresults | Should -BeExactly "teeobjecttest1"
+        }
 
-	    It "Should tee the output to a file" {
-	        $teefile = $testfile
-	        Write-Output teeobjecttest3  | Tee-Object $teefile
-	        Get-Content $teefile | Should -BeExactly "teeobjecttest3"
+        It "Should tee the output to a file" {
+            $teefile = $testfile
+            Write-Output teeobjecttest3  | Tee-Object $teefile
+            Get-Content $teefile | Should -BeExactly "teeobjecttest3"
+        }
+
+        $unicodeTestString = "A1£ę௸🤔"
+        It "Should tee output to file using <encoding> encoding when selected" -TestCases @(
+            @{ Encoding = "ascii"; Content = "teeobjecttest1"},
+            @{ Encoding = "bigendianunicode"; Content = $unicodeTestString  },
+            @{ Encoding = "default"; Content = $unicodeTestString },
+            @{ Encoding = "latin1"; Content = "téèõbjêcttëst1" },
+            @{ Encoding = "unicode"; Content = $unicodeTestString },
+            @{ Encoding = "utf32"; Content = $unicodeTestString },
+            @{ Encoding = "utf7"; Content = $unicodeTestString},
+            @{ Encoding = "utf8"; Content = $unicodeTestString}
+        ) {
+            param($Encoding, $Content)
+            $teefile = $testfile
+            Write-Output -InputObject $content  | Tee-Object -FilePath $teefile -Encoding $Encoding
+            Get-Content -Path $teefile -Encoding $Encoding | Should -BeExactly $content
+            Remove-Item -Path $teefile -ErrorAction SilentlyContinue
         }
 
         It "Parameter 'Encoding' should accept encoding" {