Tests is versions are greater

VersionTest.ps1

#Version checks

#Version type
function Test-VersionIsGreaterThanOrEqualTo()
{
  	param ([string] $versionA, [string] $versionB)
	"versionA $versionA"
	"versionB $versionB"
	
	$version1 = New-Version $versionA
	$version2 = New-Version $versionb
	
	if($version1.Major -lt $version2.Major)
	{
		Write-Verbose "Major is less than ($version1 vs $version2)"
		return $false
	}
	if($version1.Minor -lt $version2.Minor)
	{
		Write-Verbose "Minor is less than ($version1 vs $version2)"
		return $false
	}
	if($version1.Release -lt $version2.Release)
	{
		Write-Verbose "Release is less than ($version1 vs $version2)"
		return $false
	}
	if($version1.Build -lt $version2.Build)
	{
		Write-Verbose "Build is less than ($version1 vs $version2)"
		return $false
	}
	Write-Verbose "All are equal or greater than"
	return $true
}

function Test-VersionIsEqualTo()
{
  	param ([string] $versionA, [string] $versionB)
	"versionA $versionA"
	"versionB $versionB"
	
	$version1 = New-Version $versionA
	$version2 = New-Version $versionb
	
	if($version1.Major -ne $version2.Major)
	{
		Write-Verbose "Major is not equal ($version1 vs $version2)"
		return $false
	}
	if($version1.Minor -ne $version2.Minor)
	{
		Write-Verbose "Minor is not equal ($version1 vs $version2)"
		return $false
	}
	if($version1.Release -ne $version2.Release)
	{
		Write-Verbose "Release is not equal ($version1 vs $version2)"
		return $false
	}
	if($version1.Build -ne $version2.Build)
	{
		Write-Verbose "Build is not equal ($version1 vs $version2)"
		return $false
	}
	Write-Verbose "All properties are equal"
	return $true
}

function New-Version()
{
	param ([string] $version)
	
	$versionArray = $version.Replace("v","").Split(".")
	if($versionArray.Count -lt 1)
	{
		throw "Version should be in the format [Major].[Minor].[Release].[Build] eg 1.2.3.123 (input provided was : $version)"		
	}
	if($versionArray.Count -ne 4)
	{
		Write-Warning "Version should be in the format [Major].[Minor].[Release].[Build] eg 1.2.3.123 (input provided was : $version)"
		if($versionArray.Count -lt 4)
		{
			$newArray = @(0,0,0,0)
			$index = 0
			while($index -lt $versionArray.Count)
			{
				$newArray[$index] = $versionArray[$index];
				$index = $index+1;
			}
			$versionArray = $newArray;
		}
	}	
	$Major = [int]$versionArray[0]  
	$Minor = [int]$versionArray[1] 
	$Release = [int]$versionArray[2] 
	$Build = [int]$versionArray[3]
	
	$versionObj = New-Object PSObject 
	                                    
    $versionObj | add-member Noteproperty Major $Major  
	$versionObj | add-member Noteproperty Minor $Minor 
	$versionObj | add-member Noteproperty Release $Release 
	$versionObj | add-member Noteproperty Build $Build
	return $versionObj;
}

#Tests
if((Test-VersionIsGreaterThanOrEqualTo "0.0.0.1" "0.0.0.0") -eq $false)
{
	throw "fail"
}
if((Test-VersionIsGreaterThanOrEqualTo "1.0.0.0" "1.0.0.0") -eq $false)
{
	throw "fail"
}
if((Test-VersionIsGreaterThanOrEqualTo "1.0.0.1" "1.0.0.0") -eq $false)
{
	throw "fail"
}
if((Test-VersionIsGreaterThanOrEqualTo "1.0.1.0" "1.0.0.0") -eq $false)
{
	throw "fail"
}
if((Test-VersionIsGreaterThanOrEqualTo "1.1.0.0" "1.0.0.0") -eq $false)
{
	throw "fail"
}
if((Test-VersionIsGreaterThanOrEqualTo "1.0.0.0" "1.0.0.1") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsGreaterThanOrEqualTo "1.0.0.0" "1.0.1.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsGreaterThanOrEqualTo "1.0.0.0" "1.1.0.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsGreaterThanOrEqualTo "0.0.0.0" "1.0.0.0") -eq $true)
{
	throw "fail"
}


if((Test-VersionIsEqualTo "0.0.0.0" "1.0.0.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.0.0.0" "0.1.0.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.0.0.0" "0.0.1.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.0.0.0" "0.0.0.1") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "1.0.0.0" "0.0.0.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.1.0.0" "0.0.0.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.0.1.0" "0.0.0.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.0.0.1" "0.0.0.0") -eq $true)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "1.0.0.0" "1.0.0.0") -eq $false)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.1.0.0" "0.1.0.0") -eq $false)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.0.1.0" "0.0.1.0") -eq $false)
{
	throw "fail"
}
if((Test-VersionIsEqualTo "0.0.0.1" "0.0.0.1") -eq $false)
{
	throw "fail"
}