TestMTCSimple.py: allow the test to run on Darwin embedded platforms

The test needed some updates to run using a different UI toolkit
and with a different libMTC, but it should run fine on a device.

llvm-svn: 374262

lldb/packages/Python/lldbsuite/test/functionalities/mtc/simple/TestMTCSimple.py

@@ -15,19 +15,12 @@ class MTCSimpleTestCase(TestBase):
     mydir = TestBase.compute_mydir(__file__)
 
     @skipUnlessDarwin
-    @skipIfDarwinEmbedded  # Test file depends on AppKit which is not present on iOS etc.
     def test(self):
         self.mtc_dylib_path = findMainThreadCheckerDylib()
-        if self.mtc_dylib_path == "":
-            self.skipTest("This test requires libMainThreadChecker.dylib.")
-
+        self.assertTrue(self.mtc_dylib_path != "")
         self.build()
         self.mtc_tests()
 
-    def setUp(self):
-        # Call super's setUp().
-        TestBase.setUp(self)
-
     @skipIf(archs=['i386'])
     def mtc_tests(self):
         # Load the test
@@ -41,7 +34,11 @@ class MTCSimpleTestCase(TestBase):
         thread = process.GetSelectedThread()
         frame = thread.GetSelectedFrame()
 
-        self.expect("thread info", substrs=['stop reason = -[NSView superview] must be used from main thread only'])
+        view = "NSView" if lldbplatformutil.getPlatform() == "macosx" else "UIView"
+
+        self.expect("thread info",
+                    substrs=['stop reason = -[' + view +
+                             ' superview] must be used from main thread only'])
 
         self.expect(
             "thread info -s",
@@ -51,7 +48,7 @@ class MTCSimpleTestCase(TestBase):
         json_line = '\n'.join(output_lines[2:])
         data = json.loads(json_line)
         self.assertEqual(data["instrumentation_class"], "MainThreadChecker")
-        self.assertEqual(data["api_name"], "-[NSView superview]")
-        self.assertEqual(data["class_name"], "NSView")
+        self.assertEqual(data["api_name"], "-[" + view + " superview]")
+        self.assertEqual(data["class_name"], view)
         self.assertEqual(data["selector"], "superview")
-        self.assertEqual(data["description"], "-[NSView superview] must be used from main thread only")
+        self.assertEqual(data["description"], "-[" + view + " superview] must be used from main thread only")

lldb/packages/Python/lldbsuite/test/functionalities/mtc/simple/main.m

@@ -1,8 +1,14 @@
 #import <Foundation/Foundation.h>
+#if __has_include(<AppKit/AppKit.h>)
 #import <AppKit/AppKit.h>
+#define XXView NSView
+#else
+#import <UIKit/UIKit.h>
+#define XXView UIView
+#endif
 
 int main() {
-  NSView *view = [[NSView alloc] init];
+  XXView *view = [[XXView alloc] init];
   dispatch_group_t g = dispatch_group_create();
   dispatch_group_enter(g);
   [NSThread detachNewThreadWithBlock:^{

lldb/packages/Python/lldbsuite/test/lldbplatformutil.py

@@ -17,6 +17,7 @@ from six.moves.urllib import parse as urlparse
 # LLDB modules
 from . import configuration
 import lldb
+import lldbsuite.test.lldbplatform as lldbplatform
 
 
 def check_first_register_readable(test_case):
@@ -145,6 +146,9 @@ def findMainThreadCheckerDylib():
     if not platformIsDarwin():
         return ""
 
+    if getPlatform() in lldbplatform.translate(lldbplatform.darwin_embedded):
+        return "/Developer/usr/lib/libMainThreadChecker.dylib"
+
     with os.popen('xcode-select -p') as output:
         xcode_developer_path = output.read().strip()
         mtc_dylib_path = '%s/usr/lib/libMainThreadChecker.dylib' % xcode_developer_path