Fix negative value handling in Read-LuaHexFloat and Read-LuaNumber; improve formatting in Lua.Tests

Author: MariusStorhaug

src/functions/private/Read-LuaHexFloat.ps1

@@ -48,7 +48,7 @@
         }
 
         $result = ($intPart + $fracValue) * [Math]::Pow(2, $exponent)
-        if ($isNegative) { $result = -$result }
+        if ($isNegative) { $result = (-$result) }
         return $result
     }
 

src/functions/private/Read-LuaNumber.ps1

@@ -106,7 +106,7 @@
                 $numStr.Substring(2)
             }
             $longVal = [Convert]::ToInt64($hexPart, 16)
-            if ($isNegative) { $longVal = -$longVal }
+            if ($isNegative) { $longVal = (-$longVal) }
             if ($longVal -ge [int]::MinValue -and
                 $longVal -le [int]::MaxValue) {
                 return [int]$longVal

src/functions/private/Read-LuaValue.ps1

@@ -48,8 +48,8 @@
         # Number or negative number
         if ($char -match '[0-9]' -or
             ($char -eq '-' -and
-                $script:luaPos + 1 -lt $script:luaString.Length -and
-                $script:luaString[$script:luaPos + 1] -match '[0-9.]')) {
+            $script:luaPos + 1 -lt $script:luaString.Length -and
+            $script:luaString[$script:luaPos + 1] -match '[0-9.]')) {
             return Read-LuaNumber
         }
 

src/functions/public/Lua/ConvertFrom-Lua.ps1

@@ -58,6 +58,7 @@
         https://www.lua.org/manual/5.4/manual.html#3.4.9
     #>
     [OutputType([object])]
+    [OutputType([System.Array])]
     [CmdletBinding()]
     param(
         # The Lua table constructor string to convert to a PowerShell object.

tests/Lua.Tests.ps1

@@ -1006,21 +1006,21 @@ Describe 'Round-trip conversion' {
         It 'Round-trips a full config-like structure (5+ levels)' {
             $original = [ordered]@{
                 app = [ordered]@{
-                    name = 'MyApp'
+                    name    = 'MyApp'
                     version = '2.0'
                     modules = [ordered]@{
                         auth = [ordered]@{
-                            enabled = $true
+                            enabled  = $true
                             provider = [ordered]@{
-                                type = 'oauth'
+                                type     = 'oauth'
                                 settings = [ordered]@{
                                     clientId = 'abc123'
-                                    scopes = @('read', 'write', 'admin')
+                                    scopes   = @('read', 'write', 'admin')
                                 }
                             }
                         }
                         logging = [ordered]@{
-                            level = 'info'
+                            level   = 'info'
                             outputs = @(
                                 [ordered]@{ type = 'console'; colored = $true },
                                 [ordered]@{ type = 'file'; path = '/var/log/app.log' }
@@ -1104,8 +1104,8 @@ Describe 'Round-trip conversion' {
 
         It 'Round-trips strings with special characters' {
             $original = [ordered]@{
-                escaped = "line1`nline2`ttab"
-                quoted = 'she said "hi"'
+                escaped   = "line1`nline2`ttab"
+                quoted    = 'she said "hi"'
                 backslash = 'C:\path\to\file'
             }
             $lua = ConvertTo-Lua -InputObject $original -Depth 5
@@ -1118,8 +1118,8 @@ Describe 'Round-trip conversion' {
         It 'Round-trips unicode strings' {
             $original = [ordered]@{
                 greeting = 'Héllo Wörld'
-                emoji = 'test'
-                cjk = '日本語'
+                emoji    = 'test'
+                cjk      = '日本語'
             }
             $lua = ConvertTo-Lua -InputObject $original -Depth 5
             $result = ConvertFrom-Lua -InputObject $lua -AsHashtable
@@ -1130,14 +1130,14 @@ Describe 'Round-trip conversion' {
         It 'Round-trips deeply nested array-of-objects-with-arrays' {
             $original = @(
                 [ordered]@{
-                    name = 'group1'
+                    name  = 'group1'
                     items = @(
                         [ordered]@{ id = 1; tags = @('a', 'b') },
                         [ordered]@{ id = 2; tags = @('c') }
                     )
                 },
                 [ordered]@{
-                    name = 'group2'
+                    name  = 'group2'
                     items = @(
                         [ordered]@{ id = 3; tags = @('d', 'e', 'f') }
                     )