xref: /llvm-project/lldb/test/API/lang/objc/objc-struct-argument/TestObjCStructArgument.py (revision 40766642283854d035a992513e314d59c1b4ca53)
1"""Test passing structs to Objective-C methods."""
2
3
4
5import lldb
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class TestObjCStructArgument(TestBase):
12
13    def setUp(self):
14        # Call super's setUp().
15        TestBase.setUp(self)
16        # Find the line numbers to break inside main().
17        self.main_source = "test.m"
18        self.break_line = line_number(
19            self.main_source, '// Set breakpoint here.')
20
21    # this test program only builds for ios with -gmodules
22    @add_test_categories(['gmodules', 'pyapi'])
23    @skipIf(oslist=['ios', 'watchos', 'tvos', 'bridgeos'], archs=['armv7', 'arm64'])
24    def test_with_python_api(self):
25        """Test passing structs to Objective-C methods."""
26        self.build()
27        exe = self.getBuildArtifact("a.out")
28
29        target = self.dbg.CreateTarget(exe)
30        self.assertTrue(target, VALID_TARGET)
31
32        bpt = target.BreakpointCreateByLocation(
33            self.main_source, self.break_line)
34        self.assertTrue(bpt, VALID_BREAKPOINT)
35
36        # Now launch the process, and do not stop at entry point.
37        process = target.LaunchSimple(
38            None, None, self.get_process_working_directory())
39
40        self.assertTrue(process, PROCESS_IS_VALID)
41
42        # The stop reason of the thread should be breakpoint.
43        thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, bpt)
44
45        # Make sure we stopped at the first breakpoint.
46        self.assertTrue(
47            len(thread_list) != 0,
48            "No thread stopped at our breakpoint.")
49        self.assertEquals(len(thread_list), 1,
50                        "More than one thread stopped at our breakpoint.")
51
52        frame = thread_list[0].GetFrameAtIndex(0)
53        self.assertTrue(frame, "Got a valid frame 0 frame.")
54
55        self.expect("expression [summer sumThings:tts]", substrs=['9'])
56
57        self.expect(
58            "po [NSValue valueWithRect:rect]",
59            substrs=['NSRect: {{0, 0}, {10, 20}}'])
60
61        # Now make sure we can call a method that returns a struct without
62        # crashing.
63        cmd_value = frame.EvaluateExpression("[provider getRange]")
64        self.assertTrue(cmd_value.IsValid())
65