ci: fix iOS Device Tests

scripts/device-test.ps1

@@ -11,6 +11,7 @@ param(
 
 Set-StrictMode -Version latest
 $ErrorActionPreference = 'Stop'
+. $PSScriptRoot/ios-simulator-utils.ps1
 
 if (!$Build -and !$Run)
 {
@@ -57,8 +58,15 @@ try
             '--app', "$buildDir/Sentry.Maui.Device.TestApp.app",
             '--target', 'ios-simulator-64',
             '--launch-timeout', '00:10:00',
-            '--set-env', 'CI=$envValue'
+            '--set-env', "CI=$envValue"
         )
+
+        $udid = Get-IosSimulatorUdid -IosVersion '18.5' -Verbose
+        if ($udid) {
+            $arguments += @('--device', $udid)
+        } else {
+            Write-Host "No suitable simulator found; proceeding without a specific --device"
+        }
     }
 
     if ($Build)
@@ -76,7 +84,7 @@ try
         if (!(Get-Command xharness -ErrorAction SilentlyContinue))
         {
             Push-Location ($CI ? $env:RUNNER_TEMP : $IsWindows ? $env:TMP : $IsMacos ? $env:TMPDIR : '/temp')
-            dotnet tool install Microsoft.DotNet.XHarness.CLI --global --version '10.0.0-prerelease.25330.2' `
+            dotnet tool install Microsoft.DotNet.XHarness.CLI --global --version '10.0.0-prerelease.25412.1' `
                 --add-source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json
             Pop-Location
         }

scripts/ios-simulator-utils.ps1

@@ -0,0 +1,95 @@
+function Get-IosSimulatorUdid {
+    [CmdletBinding()]
+    param(
+        [string]$IosVersion = '18.5',
+        [string[]]$PreferredDeviceTypes = @(
+        'com.apple.CoreSimulator.SimDeviceType.iPhone-XS',
+        'com.apple.CoreSimulator.SimDeviceType.iPhone-16',
+        'com.apple.CoreSimulator.SimDeviceType.iPhone-15'
+    )
+    )
+
+    try {
+        $simDevices = & xcrun simctl list devices --json | ConvertFrom-Json
+    } catch {
+        Write-Verbose "Failed to query simctl: $($_.Exception.Message)"
+        return $null
+    }
+    if (-not $simDevices -or -not $simDevices.devices) {
+        Write-Verbose "No devices structure returned."
+        return $null
+    }
+
+    $devicesByRuntime = $simDevices.devices
+    $preferredIndex = @{}
+    for ($i = 0; $i -lt $PreferredDeviceTypes.Count; $i++) {
+        $preferredIndex[$PreferredDeviceTypes[$i]] = $i
+    }
+
+    $dashVer  = $IosVersion -replace '\.','-'
+    $exactKey = "com.apple.CoreSimulator.SimRuntime.iOS-$dashVer"
+    $runtimeKey = $null
+
+    $allRuntimeNames = $devicesByRuntime.PSObject.Properties.Name
+    if ($allRuntimeNames -contains $exactKey) {
+        $runtimeKey = $exactKey
+        Write-Verbose "Found exact runtime: $runtimeKey"
+    } else {
+        $major = ($IosVersion.Split('.')[0])
+        $candidates = $allRuntimeNames | Where-Object { $_ -match "com\.apple\.CoreSimulator\.SimRuntime\.iOS-$major-" }
+        if ($candidates) {
+            $runtimeKey = $candidates |
+                    Sort-Object {
+                        $v = ($_ -replace '.*iOS-','') -replace '-','.'
+                        try { [Version]$v } catch { [Version]'0.0' }
+                    } -Descending |
+                    Select-Object -First 1
+            Write-Verbose "Exact runtime $exactKey not found. Using fallback runtime $runtimeKey"
+        } else {
+            Write-Verbose "No simulator runtime found for iOS major $major"
+            return $null
+        }
+    }
+
+    $runtimeDevices = $devicesByRuntime.PSObject.Properties |
+            Where-Object { $_.Name -eq $runtimeKey } |
+            Select-Object -ExpandProperty Value
+
+    if (-not $runtimeDevices) {
+        Write-Verbose "Runtime key $runtimeKey present but no devices listed."
+        return $null
+    }
+
+    $usable = $runtimeDevices | Where-Object { $_.isAvailable -and $_.state -in @('Shutdown','Booted') }
+    if (-not $usable) {
+        Write-Verbose "No available devices in runtime $runtimeKey"
+        return $null
+    }
+
+    $ranked = $usable | ForEach-Object {
+        $dt = $_.deviceTypeIdentifier
+        $weightPref = if ($preferredIndex.ContainsKey($dt)) { $preferredIndex[$dt] } else { 9999 }
+        $weightFamily = if ($dt -match 'iPhone') { 0 } else { 1 }  # prefer iPhone if not explicitly listed
+        [PSCustomObject]@{
+            Device       = $_
+            WeightPref   = $weightPref
+            WeightFamily = $weightFamily
+            WeightBoot   = if ($_.state -eq 'Booted') { 0 } else { 1 }
+            SortName     = $_.name
+        }
+    }
+
+    $sorted = $ranked | Sort-Object WeightPref, WeightFamily, WeightBoot, SortName
+    $sorted | Select-Object -First 5 | ForEach-Object {
+        Write-Verbose ("Candidate: {0} | {1} | pref={2} fam={3} bootW={4}" -f $_.Device.name, $_.Device.deviceTypeIdentifier, $_.WeightPref, $_.WeightFamily, $_.WeightBoot)
+    }
+
+    $selected = $sorted | Select-Object -First 1
+    if (-not $selected) {
+        Write-Verbose "Failed to select a simulator."
+        return $null
+    }
+
+    Write-Verbose ("Selected simulator: {0} ({1}) [{2}]" -f $selected.Device.name, $selected.Device.deviceTypeIdentifier, $selected.Device.udid)
+    return $selected.Device.udid
+}

test/Sentry.Maui.Device.TestApp/Sentry.Maui.Device.TestApp.csproj

@@ -34,7 +34,7 @@
     <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
     <!-- Pin target iOS version so that our tests don't break when new versions of Xcode are released.
       'net8.0-ios' resolves the latest version of the iOS SDK otherwise. -->
-    <TargetPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">18</TargetPlatformVersion>
+    <TargetPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">18.0</TargetPlatformVersion>
 
     <EmbedAssembliesIntoApk>true</EmbedAssembliesIntoApk>