Describe "Environment-Variables" {

    It "Should have environment variables" {
	Get-Item ENV: | Should Not BeNullOrEmpty
    }

    It "Should have a nonempty PATH" {
	$ENV:PATH | Should Not BeNullOrEmpty
    }

    It "Should contain /bin in the PATH" {
	if ($IsWindows)
	{
	    $ENV:PATH | Should Match "C:"
	}
	else
	{
	    $ENV:PATH | Should Match "/bin"
	}
    }

    It "Should have the correct HOME" {
	if ($IsWindows)
	{
	    $expected = "\Users"
	    Split-Path $ENV:HOMEPATH -Parent | Should Be $expected
	}
	else
	{
	    $expected = /bin/bash -c "cd ~ && pwd"
	    $ENV:HOME | Should Be $expected
	}
    }

    It "Should be able to set the environment variables" {
	$expected = "this is a test environment variable"
	{ $ENV:TESTENVIRONMENTVARIABLE = $expected  } | Should Not Throw

	$ENV:TESTENVIRONMENTVARIABLE | Should Not BeNullOrEmpty
	$ENV:TESTENVIRONMENTVARIABLE | Should Be $expected

    }
}