lldb/test/API/lang/objc/objc-struct-argument/TestObjCStructArgument.py

   1 """Test passing structs to Objective-C methods."""
   2
   3
   4 import lldb
   5 from lldbsuite.test.decorators import *
   6 from lldbsuite.test.lldbtest import *
   7 from lldbsuite.test import lldbutil
   8
   9
  10 class TestObjCStructArgument(TestBase):
  11     def setUp(self):
  12         # Call super's setUp().
  13         TestBase.setUp(self)
  14         # Find the line numbers to break inside main().
  15         self.main_source = "test.m"
  16         self.break_line = line_number(self.main_source, "// Set breakpoint here.")
  17
  18     # this test program only builds for ios with -gmodules
  19     @add_test_categories(["gmodules", "pyapi"])
  20     @skipIf(oslist=["ios", "watchos", "tvos", "bridgeos"], archs=["armv7", "arm64"])
  21     def test_with_python_api(self):
  22         """Test passing structs to Objective-C methods."""
  23         self.build()
  24         exe = self.getBuildArtifact("a.out")
  25
  26         target = self.dbg.CreateTarget(exe)
  27         self.assertTrue(target, VALID_TARGET)
  28
  29         bpt = target.BreakpointCreateByLocation(self.main_source, self.break_line)
  30         self.assertTrue(bpt, VALID_BREAKPOINT)
  31
  32         # Now launch the process, and do not stop at entry point.
  33         process = target.LaunchSimple(None, None, self.get_process_working_directory())
  34
  35         self.assertTrue(process, PROCESS_IS_VALID)
  36
  37         # The stop reason of the thread should be breakpoint.
  38         thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, bpt)
  39
  40         # Make sure we stopped at the first breakpoint.
  41         self.assertNotEqual(len(thread_list), 0, "No thread stopped at our breakpoint.")
  42         self.assertEqual(
  43             len(thread_list), 1, "More than one thread stopped at our breakpoint."
  44         )
  45
  46         frame = thread_list[0].GetFrameAtIndex(0)
  47         self.assertTrue(frame, "Got a valid frame 0 frame.")
  48
  49         self.expect("expression [summer sumThings:tts]", substrs=["9"])
  50
  51         self.expect(
  52             "po [NSValue valueWithRect:rect]", substrs=["NSRect: {{0, 0}, {10, 20}}"]
  53         )
  54
  55         # Now make sure we can call a method that returns a struct without
  56         # crashing.
  57         cmd_value = frame.EvaluateExpression("[provider getRange]")
  58         self.assertTrue(cmd_value.IsValid())