diff --git a/test/powershell/enginecore/NullableBooleanDCR.Tests.ps1 b/test/powershell/enginecore/NullableBooleanDCR.Tests.ps1
new file mode 100644
index 0000000000..5b1cb4515f
--- /dev/null
+++ b/test/powershell/enginecore/NullableBooleanDCR.Tests.ps1
@@ -0,0 +1,50 @@
+Describe "Nullable Boolean DCR Tests" -Tags "CI" {
+    BeforeAll { 
+        function ParserTestFunction
+        {
+            param([bool]$First) $PSBoundParameters
+        }
+
+        function parsertest-bool2
+        {
+            [CmdletBinding()]
+            param (
+            [Parameter(Position = 0, Mandatory = $true, ValueFromPipeline = $true)] [bool]$First = $false
+            )
+
+            Process {
+                return $PSBoundParameters
+            }
+        }
+
+        $testCases = @(
+            @{ Arg = $true; Expected = $true }
+            @{ Arg = 1; Expected = $true }
+            @{ Arg = 1.28; Expected = $true }
+            @{ Arg = (-2.32); Expected = $true }
+        
+            @{ Arg = $false; Expected = $false }
+            @{ Arg = 0; Expected = $false }
+            @{ Arg = 0.00; Expected = $false }
+            @{ Arg = (1 - 1); Expected = $false }
+        )
+    }
+
+    It 'Test a boolean parameter accepts positional values, input:<Arg>, expect:<Expected>' -TestCases $testCases {
+        param($Arg, $Expected)
+        (parsertestfunction $Arg).Values[0] | Should Be $Expected
+        (parsertest-bool2 $Arg).Values[0] | Should Be $Expected       
+    } 
+    
+    It 'Test a boolean parameter accepts values specified with a colon, input:<Arg>, expect:<Expected>' -TestCases $testCases {
+        param($Arg, $Expected)
+        (parsertestfunction -First:$Arg).Values[0] | Should Be $Expected
+        (parsertest-bool2 -First:$Arg).Values[0] | Should Be $Expected
+    }
+    
+    It 'Test a boolean parameter accepts values specified with general format, input:<Arg>, expect:<Expected>' -TestCases $testCases {
+        param($Arg, $Expected)
+        (parsertestfunction -First $Arg).Values[0] | Should Be $Expected
+        (parsertest-bool2 -First $Arg).Values[0] | Should Be $Expected
+    } 
+}