xref: /llvm-project/lldb/test/API/lang/objc/objc-struct-argument/TestObjCStructArgument.py (revision 9c2468821ec51defd09c246fea4a47886fff8c01)
1"""Test passing structs to Objective-C methods."""
2
3
4import lldb
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9
10class 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())
59