From c7b6b089dbd241d7fa8a9489a4b6d57db6c71664 Mon Sep 17 00:00:00 2001
From: Oliver Lipkau <oliver@lipkau.net>
Date: Wed, 16 Jan 2019 17:37:37 +0100
Subject: [PATCH] Fixed backwards compatibility

Values should only be of type [array] when necessary. [string] otherwise

as mentioned by @EliaSaSe in
https://github.com/lipkau/PsIni/pull/43#issuecomment-454057704
---
 PSIni/Functions/Get-IniContent.ps1 | 14 +++++++++++---
 PSIni/PsIni.psd1                   |  2 +-
 Tests/PsIni.Tests.ps1              | 17 +++++++++++++++--
 3 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/PSIni/Functions/Get-IniContent.ps1 b/PSIni/Functions/Get-IniContent.ps1
index e321840..c2268c7 100644
--- a/PSIni/Functions/Get-IniContent.ps1
+++ b/PSIni/Functions/Get-IniContent.ps1
@@ -142,9 +142,17 @@ Function Get-IniContent {
                 $name, $value = $matches[1..2]
                 Write-Verbose "$($MyInvocation.MyCommand.Name):: Adding key $name with value: $value"
                 if (-not $ini[$section][$name]) {
-                    $ini[$section][$name] = @($value)
-                } else {
-                        $ini[$section][$name] += $value
+                    $ini[$section][$name] = $value
+                }
+                else {
+                    if ($ini[$section][$name] -is [string]) {
+                        $ini[$section][$name] = [System.Collections.ArrayList]::new()
+                        $ini[$section][$name].Add($ini[$section][$name]) | Out-Null
+                        $ini[$section][$name].Add($value) | Out-Null
+                    }
+                    else {
+                        $ini[$section][$name].Add($value) | Out-Null
+                    }
                 }
                 continue
             }
diff --git a/PSIni/PsIni.psd1 b/PSIni/PsIni.psd1
index 0ec3a7e..5c74dc5 100644
--- a/PSIni/PsIni.psd1
+++ b/PSIni/PsIni.psd1
@@ -36,7 +36,7 @@
     Description            = 'Convert hashtable to INI file and back. @ http://lipkau.github.io/PsIni/'
 
     # Minimum version of the Windows PowerShell engine required by this module
-    PowerShellVersion      = '2.0'
+    PowerShellVersion      = '3.0'
 
     # Name of the Windows PowerShell host required by this module
     PowerShellHostName     = ''
diff --git a/Tests/PsIni.Tests.ps1 b/Tests/PsIni.Tests.ps1
index 0853d3c..bea0aef 100644
--- a/Tests/PsIni.Tests.ps1
+++ b/Tests/PsIni.Tests.ps1
@@ -101,9 +101,11 @@ Describe "PsIni functionality" {
 
     Context "Reading INI" {
 
-        # act
+        #arrange
         Out-IniFile -InputObject $dictIn -FilePath $iniFile
-        $dictOut = Get-IniContent -FilePath $iniFile
+
+        # act
+        $global:dictOut = Get-IniContent -FilePath $iniFile
 
         # assert
         It "creates a OrderedDictionary from an INI file" {
@@ -115,6 +117,17 @@ Describe "PsIni functionality" {
             Compare-Object $dictIn $dictOut
         }
 
+        #assert
+        It "reads sames keys into an [array]" {
+            $dictOut["Category2"]["Key3"].gettype().FullName | Should -Be "System.Collections.ArrayList"
+        }
+
+        It "keeps non repeating keys as [string]" {
+            $dictOut["Category1"]["Key1"] | Should -BeOfType [String]
+            $dictOut["Category1"]["Key2"] | Should -BeOfType [String]
+            $dictOut["Category2"]["Key4"] | Should -BeOfType [String]
+        }
+
     }
 
     Context "Updating INI Content" {