xref: /llvm-project/lldb/test/API/lang/objc/objc-static-method/TestObjCStaticMethod.py (revision 80fcecb13c388ff087a27a4b0e7ca3dd8c98eaa4)
1"""Test calling functions in static methods."""
2
3
4import lldb
5from lldbsuite.test.decorators import *
6from lldbsuite.test.lldbtest import *
7from lldbsuite.test import lldbutil
8
9
10class TestObjCStaticMethod(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 = "static.m"
16        self.break_line = line_number(self.main_source, "// Set breakpoint here.")
17
18    @add_test_categories(["pyapi"])
19    # <rdar://problem/9745789> "expression" can't call functions in class methods
20    def test_with_python_api(self):
21        """Test calling functions in static methods."""
22        self.build()
23        exe = self.getBuildArtifact("a.out")
24
25        target = self.dbg.CreateTarget(exe)
26        self.assertTrue(target, VALID_TARGET)
27
28        bpt = target.BreakpointCreateByLocation(self.main_source, self.break_line)
29        self.assertTrue(bpt, VALID_BREAKPOINT)
30
31        # Now launch the process, and do not stop at entry point.
32        process = target.LaunchSimple(None, None, self.get_process_working_directory())
33
34        self.assertTrue(process, PROCESS_IS_VALID)
35
36        # The stop reason of the thread should be breakpoint.
37        thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, bpt)
38
39        # Make sure we stopped at the first breakpoint.
40        self.assertNotEqual(len(thread_list), 0, "No thread stopped at our breakpoint.")
41        self.assertEqual(
42            len(thread_list), 1, "More than one thread stopped at our breakpoint."
43        )
44
45        # Now make sure we can call a function in the static method we've
46        # stopped in.
47        frame = thread_list[0].GetFrameAtIndex(0)
48        self.assertTrue(frame, "Got a valid frame 0 frame.")
49
50        cmd_value = frame.EvaluateExpression("(char *) sel_getName (_cmd)")
51        self.assertTrue(cmd_value.IsValid())
52        sel_name = cmd_value.GetSummary()
53        self.assertEqual(
54            sel_name,
55            '"doSomethingWithString:"',
56            "Got the right value for the selector as string.",
57        )
58
59        cmd_value = frame.EvaluateExpression("[self doSomethingElseWithString:string]")
60        self.assertTrue(cmd_value.IsValid())
61        string_length = cmd_value.GetValueAsUnsigned()
62        self.assertEqual(
63            string_length,
64            27,
65            "Got the right value from another class method on the same class.",
66        )
67