Fix for Get-Content -ReadCount 0 behavior when -TotalCount is set (#10749)

test/powershell/Modules/Microsoft.PowerShell.Management/Get-Content.Tests.ps1

@@ -342,6 +342,12 @@ baz
             $expected[1] = $thirdLine
             Compare-Object -ReferenceObject $expected -DifferenceObject $result | Should -BeNullOrEmpty
         }
+        It "Should return the same number of first lines as set in -TotalCount at one time for -ReadCount 0" {
+            $result = Get-Content -Path $testPath -TotalCount 3 -ReadCount 0
+            $result.Length | Should -Be 3
+            $expected = $firstLine,$secondLine,$thirdLine
+            Compare-Object -ReferenceObject $expected -DifferenceObject $result | Should -BeNullOrEmpty
+        }
         It "A warning should be emitted if both -AsByteStream and -Encoding are used together" {
             [byte[]][char[]]"test" | Set-Content -Encoding Unicode -AsByteStream "${TESTDRIVE}\bfile.txt" -WarningVariable contentWarning *> $null
             $contentWarning.Message | Should -Match "-AsByteStream"