99using NUnit . Framework ;
1010
1111using Xamarin . ProjectTools ;
12+ using Xamarin . Android . Tasks ;
13+ using System . Text ;
1214
1315namespace Xamarin . Android . Build . Tests
1416{
@@ -111,25 +113,29 @@ sealed class TestProjectInfo
111113 {
112114 public string RootDirectory { get ; }
113115 public string OutputDirectory { get ; }
116+ public string TestRootDirectory { get ; }
114117 public string ObjPath { get ; }
115118 public string BinPath { get ; }
116119 public string GeneratedPath { get ; }
117120 public string ProjectPath { get ; }
118121 public string ProjectName { get ; }
119122 public string TestName { get ; }
123+ public AndroidRuntime Runtime { get ; }
120124
121- public TestProjectInfo ( string projectName , string testName , string rootDirectory , string outputRootDir )
125+ public TestProjectInfo ( string projectName , string testName , string rootDirectory , string outputRootDir , AndroidRuntime runtime )
122126 {
123127 TestName = testName ;
124128 RootDirectory = rootDirectory ;
125129 ProjectName = projectName ;
130+ Runtime = runtime ;
126131
127132 ObjPath = Path . Combine ( rootDirectory , "obj" ) ;
128133 GeneratedPath = Path . Combine ( ObjPath , XABuildPaths . Configuration , "codebehind" ) ;
129134 BinPath = Path . Combine ( rootDirectory , "bin" , XABuildPaths . Configuration ) ;
130135 ProjectPath = Path . Combine ( rootDirectory , $ "{ projectName } .csproj") ;
131136
132- OutputDirectory = Path . Combine ( outputRootDir , testName , XABuildPaths . Configuration ) ;
137+ TestRootDirectory = Path . Combine ( outputRootDir , testName ) ;
138+ OutputDirectory = Path . Combine ( TestRootDirectory , XABuildPaths . Configuration ) ;
133139 }
134140 }
135141
@@ -267,37 +273,38 @@ static CodeBehindTests ()
267273 } ,
268274 } ;
269275
276+ // TODO: for some reason the tests no longer produce both aab and apk packages, at least locally? Fine? Bug?
270277 produced_binaries = new List < string > {
271278 $ "{ ProjectName } .dll",
272279 "CommonSampleLibrary.dll" ,
273- $ "{ PackageName } -Signed.apk",
280+ // $"{PackageName}-Signed.apk",
274281 $ "{ PackageName } .aab",
275282 $ "{ PackageName } -Signed.aab",
276283 } ;
277284 }
278285
279286 [ Test ]
280- public void SuccessfulBuildFew ( )
287+ public void SuccessfulBuildFew ( [ Values ] AndroidRuntime runtime )
281288 {
282- RunTest ( "SuccessfulBuildFew" , many : false , dtb : false , runner : SuccessfulBuild_RunTest ) ;
289+ RunTest ( TestName , many : false , dtb : false , runner : SuccessfulBuild_RunTest , runtime : runtime ) ;
283290 }
284291
285292 [ Test ]
286- public void SuccessfulBuildMany ( )
293+ public void SuccessfulBuildMany ( [ Values ] AndroidRuntime runtime )
287294 {
288- RunTest ( "SuccessfulBuildMany" , many : true , dtb : false , runner : SuccessfulBuild_RunTest ) ;
295+ RunTest ( TestName , many : true , dtb : false , runner : SuccessfulBuild_RunTest , runtime : runtime ) ;
289296 }
290297
291298 [ Test ]
292- public void SuccessfulBuildFew_DTB ( )
299+ public void SuccessfulBuildFew_DTB ( [ Values ] AndroidRuntime runtime )
293300 {
294- RunTest ( "SuccessfulBuildFew_DTB" , many : false , dtb : true , runner : SuccessfulBuild_RunTest ) ;
301+ RunTest ( TestName , many : false , dtb : true , runner : SuccessfulBuild_RunTest , runtime : runtime ) ;
295302 }
296303
297304 [ Test ]
298- public void SuccessfulBuildMany_DTB ( )
305+ public void SuccessfulBuildMany_DTB ( [ Values ] AndroidRuntime runtime )
299306 {
300- RunTest ( "SuccessfulBuildMany_DTB" , many : true , dtb : true , runner : SuccessfulBuild_RunTest ) ;
307+ RunTest ( TestName , many : true , dtb : true , runner : SuccessfulBuild_RunTest , runtime : runtime ) ;
301308 }
302309
303310 void SuccessfulBuild_RunTest ( TestProjectInfo testInfo , bool many , bool dtb , LocalBuilder builder )
@@ -328,9 +335,9 @@ void SuccessfulBuild_RunTest (TestProjectInfo testInfo, bool many, bool dtb, Loc
328335 }
329336
330337 [ Test ]
331- public void SuccessfulAndroidXApp ( )
338+ public void SuccessfulAndroidXApp ( [ Values ] AndroidRuntime runtime )
332339 {
333- RunTest ( "SuccessfulAndroidXApp" , many : true , dtb : false , runner : SuccessfulBuild_AndroidX ) ;
340+ RunTest ( TestName , many : true , dtb : false , runner : SuccessfulBuild_AndroidX , runtime : runtime ) ;
334341 }
335342
336343 void SuccessfulBuild_AndroidX ( TestProjectInfo testInfo , bool many , bool dtb , LocalBuilder builder )
@@ -340,7 +347,9 @@ void SuccessfulBuild_AndroidX (TestProjectInfo testInfo, bool many, bool dtb, Lo
340347
341348 CopyLogs ( testInfo , true ) ;
342349 Assert . That ( success , Is . True , "Build should have succeeded" ) ;
343- Assert . IsTrue ( StringAssertEx . ContainsText ( builder . LastBuildOutput , " 0 Warning(s)" ) , $ "{ builder . BuildLogFile } should have no MSBuild warnings.") ;
350+ if ( testInfo . Runtime != AndroidRuntime . NativeAOT ) { // NativeAOT currently (Nov 2025) produces 9 ILC warnings
351+ Assert . IsTrue ( StringAssertEx . ContainsText ( builder . LastBuildOutput , " 0 Warning(s)" ) , $ "{ builder . BuildLogFile } should have no MSBuild warnings.") ;
352+ }
344353
345354 CopyGeneratedFiles ( testInfo ) ;
346355
@@ -363,15 +372,15 @@ void SuccessfulBuild_AndroidX (TestProjectInfo testInfo, bool many, bool dtb, Lo
363372 }
364373
365374 [ Test ]
366- public void FailedBuildFew_ConflictingFragment ( )
375+ public void FailedBuildFew_ConflictingFragment ( [ Values ] AndroidRuntime runtime )
367376 {
368- RunTest ( "FailedBuildFew_ConflictingFragment" , many : false , dtb : false , runner : FailedBuild_ConflictingFragment_RunTest ) ;
377+ RunTest ( TestName , many : false , dtb : false , runner : FailedBuild_ConflictingFragment_RunTest , runtime : runtime ) ;
369378 }
370379
371380 [ Test ]
372- public void FailedBuildMany_ConflictingFragment ( )
381+ public void FailedBuildMany_ConflictingFragment ( [ Values ] AndroidRuntime runtime )
373382 {
374- RunTest ( "FailedBuildMany_ConflictingFragment" , many : true , dtb : false , runner : FailedBuild_ConflictingFragment_RunTest ) ;
383+ RunTest ( TestName , many : true , dtb : false , runner : FailedBuild_ConflictingFragment_RunTest , runtime : runtime ) ;
375384 }
376385
377386 void FailedBuild_ConflictingFragment_RunTest ( TestProjectInfo testInfo , bool many , bool dtb , LocalBuilder builder )
@@ -391,15 +400,15 @@ void FailedBuild_ConflictingFragment_RunTest (TestProjectInfo testInfo, bool man
391400 }
392401
393402 [ Test ]
394- public void FailedBuildFew_ConflictingTextView ( )
403+ public void FailedBuildFew_ConflictingTextView ( [ Values ] AndroidRuntime runtime )
395404 {
396- RunTest ( "FailedBuildFew_ConflictingTextView" , many : false , dtb : false , runner : FailedBuild_ConflictingTextView_RunTest ) ;
405+ RunTest ( TestName , many : false , dtb : false , runner : FailedBuild_ConflictingTextView_RunTest , runtime : runtime ) ;
397406 }
398407
399408 [ Test ]
400- public void FailedBuildMany_ConflictingTextView ( )
409+ public void FailedBuildMany_ConflictingTextView ( [ Values ] AndroidRuntime runtime )
401410 {
402- RunTest ( "FailedBuildMany_ConflictingTextView" , many : true , dtb : false , runner : FailedBuild_ConflictingTextView_RunTest ) ;
411+ RunTest ( TestName , many : true , dtb : false , runner : FailedBuild_ConflictingTextView_RunTest , runtime : runtime ) ;
403412 }
404413
405414 void FailedBuild_ConflictingTextView_RunTest ( TestProjectInfo testInfo , bool many , bool dtb , LocalBuilder builder )
@@ -419,15 +428,15 @@ void FailedBuild_ConflictingTextView_RunTest (TestProjectInfo testInfo, bool man
419428 }
420429
421430 [ Test ]
422- public void FailedBuildFew_ConflictingButton ( )
431+ public void FailedBuildFew_ConflictingButton ( [ Values ] AndroidRuntime runtime )
423432 {
424- RunTest ( "FailedBuildFew_ConflictingButton" , many : false , dtb : false , runner : FailedBuild_ConflictingButton_RunTest ) ;
433+ RunTest ( TestName , many : false , dtb : false , runner : FailedBuild_ConflictingButton_RunTest , runtime : runtime ) ;
425434 }
426435
427436 [ Test ]
428- public void FailedBuildMany_ConflictingButton ( )
437+ public void FailedBuildMany_ConflictingButton ( [ Values ] AndroidRuntime runtime )
429438 {
430- RunTest ( "FailedBuildMany_ConflictingButton" , many : true , dtb : false , runner : FailedBuild_ConflictingButton_RunTest ) ;
439+ RunTest ( TestName , many : true , dtb : false , runner : FailedBuild_ConflictingButton_RunTest , runtime : runtime ) ;
431440 }
432441
433442 void FailedBuild_ConflictingButton_RunTest ( TestProjectInfo testInfo , bool many , bool dtb , LocalBuilder builder )
@@ -447,15 +456,15 @@ void FailedBuild_ConflictingButton_RunTest (TestProjectInfo testInfo, bool many,
447456 }
448457
449458 [ Test ]
450- public void FailedBuildFew_ConflictingLinearLayout ( )
459+ public void FailedBuildFew_ConflictingLinearLayout ( [ Values ] AndroidRuntime runtime )
451460 {
452- RunTest ( "FailedBuildFew_ConflictingLinearLayout" , many : false , dtb : false , runner : FailedBuild_ConflictingLinearLayout_RunTest ) ;
461+ RunTest ( TestName , many : false , dtb : false , runner : FailedBuild_ConflictingLinearLayout_RunTest , runtime : runtime ) ;
453462 }
454463
455464 [ Test ]
456- public void FailedBuildMany_ConflictingLinearLayout ( )
465+ public void FailedBuildMany_ConflictingLinearLayout ( [ Values ] AndroidRuntime runtime )
457466 {
458- RunTest ( "FailedBuildMany_ConflictingLinearLayout" , many : true , dtb : false , runner : FailedBuild_ConflictingLinearLayout_RunTest ) ;
467+ RunTest ( TestName , many : true , dtb : false , runner : FailedBuild_ConflictingLinearLayout_RunTest , runtime : runtime ) ;
459468 }
460469
461470 void FailedBuild_ConflictingLinearLayout_RunTest ( TestProjectInfo testInfo , bool many , bool dtb , LocalBuilder builder )
@@ -475,15 +484,15 @@ void FailedBuild_ConflictingLinearLayout_RunTest (TestProjectInfo testInfo, bool
475484 }
476485
477486 [ Test ]
478- public void FailedBuildFew_ConflictingRelativeLayout ( )
487+ public void FailedBuildFew_ConflictingRelativeLayout ( [ Values ] AndroidRuntime runtime )
479488 {
480- RunTest ( "FailedBuildFew_ConflictingRelativeLayout" , many : false , dtb : false , runner : FailedBuild_ConflictingRelativeLayout_RunTest ) ;
489+ RunTest ( TestName , many : false , dtb : false , runner : FailedBuild_ConflictingRelativeLayout_RunTest , runtime : runtime ) ;
481490 }
482491
483492 [ Test ]
484- public void FailedBuildMany_ConflictingRelativeLayout ( )
493+ public void FailedBuildMany_ConflictingRelativeLayout ( [ Values ] AndroidRuntime runtime )
485494 {
486- RunTest ( "FailedBuildMany_ConflictingRelativeLayout" , many : true , dtb : false , runner : FailedBuild_ConflictingRelativeLayout_RunTest ) ;
495+ RunTest ( TestName , many : true , dtb : false , runner : FailedBuild_ConflictingRelativeLayout_RunTest , runtime : runtime ) ;
487496 }
488497
489498 void FailedBuild_ConflictingRelativeLayout_RunTest ( TestProjectInfo testInfo , bool many , bool dtb , LocalBuilder builder )
@@ -577,12 +586,17 @@ void AssertHaveCompilerError (bool haveError, string fileName, int line)
577586 /// <param name="many">Generate code in parallel if <c>true</c>, serially otherwise</param>
578587 /// <param name="dtb">Test design-time build if <c>true</c>, regular build otherwise</param>
579588 /// <param name="runner">Action consituting the main body of the test. Passed parameters are described above in the remarks section.</param>
580- void RunTest ( string testName , bool many , bool dtb , Action < TestProjectInfo , bool , bool , LocalBuilder > runner )
589+ void RunTest ( string testName , bool many , bool dtb , Action < TestProjectInfo , bool , bool , LocalBuilder > runner , AndroidRuntime runtime )
581590 {
582- string temporaryProjectDir = PrepareProject ( testName ) ;
591+ bool isRelease = runtime == AndroidRuntime . NativeAOT ;
592+ if ( IgnoreUnsupportedConfiguration ( runtime , release : isRelease ) ) {
593+ return ;
594+ }
595+
596+ string temporaryProjectDir = PrepareProject ( testName , isRelease , runtime ) ;
583597 LocalBuilder builder = GetBuilder ( $ "{ ProjectName } .{ testName } ") ;
584598 builder . BuildingInsideVisualStudio = dtb ;
585- var testInfo = new TestProjectInfo ( ProjectName , testName , temporaryProjectDir , TestOutputDir ) ;
599+ var testInfo = new TestProjectInfo ( ProjectName , testName , temporaryProjectDir , TestOutputDir , runtime ) ;
586600
587601 try {
588602 runner ( testInfo , many , dtb , builder ) ;
@@ -604,7 +618,7 @@ void RunTest (string testName, bool many, bool dtb, Action<TestProjectInfo, bool
604618
605619 // Clean up successful tests
606620 FileSystemUtils . SetDirectoryWriteable ( testInfo . OutputDirectory ) ;
607- Directory . Delete ( testInfo . OutputDirectory , recursive : true ) ;
621+ Directory . Delete ( testInfo . TestRootDirectory , recursive : true ) ;
608622 }
609623
610624 bool WasParsedInParallel ( TestProjectInfo testInfo )
@@ -675,7 +689,7 @@ string Regexify (string input)
675689 . Replace ( "}" , "\\ }" ) ;
676690 }
677691
678- string PrepareProject ( string testName )
692+ string PrepareProject ( string testName , bool isRelease , AndroidRuntime runtime )
679693 {
680694 string tempRoot = Path . Combine ( TestOutputDir , testName , XABuildPaths . Configuration ) ;
681695 string temporaryProjectPath = Path . Combine ( tempRoot , "project" ) ;
@@ -692,7 +706,21 @@ string PrepareProject (string testName)
692706 CopyFile ( Path . Combine ( XABuildPaths . TopDirectory , "Directory.Build.props" ) , Path . Combine ( tempRoot , "Directory.Build.props" ) ) ;
693707 var project = new XamarinAndroidApplicationProject ( ) ;
694708 project . CopyNuGetConfig ( Path . Combine ( tempRoot , "NuGet.config" ) ) ;
709+
710+ PatchProject ( Path . Combine ( tempRoot , CommonSampleLibraryName , $ "{ CommonSampleLibraryName } .NET.csproj") ) ;
711+ PatchProject ( Path . Combine ( temporaryProjectPath , $ "{ ProjectName } .csproj") ) ;
712+
695713 return temporaryProjectPath ;
714+
715+ void PatchProject ( string csprojPath )
716+ {
717+ AssertExists ( testName , csprojPath ) ;
718+ var sb = new StringBuilder ( File . ReadAllText ( csprojPath ) ) ;
719+ sb . Replace ( "@UseMonoRuntime@" , ( runtime == AndroidRuntime . MonoVM ) . ToString ( ) )
720+ . Replace ( "@PublishAot@" , ( runtime == AndroidRuntime . NativeAOT ) . ToString ( ) )
721+ . Replace ( "@Configuration@" , isRelease ? "Release" : "Debug" ) ;
722+ File . WriteAllText ( csprojPath , sb . ToString ( ) ) ;
723+ }
696724 }
697725
698726 void CopyRecursively ( string fromDir , string toDir , HashSet < string > ignoreDirs )
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