xref: /llvm-project/lldb/test/API/lang/objc/objc-static-method/TestObjCStaticMethod.py (revision a852cf66ea5d130a09cd796b97b15c18059e95cd) 
1"""Test calling functions in static methods."""
2
3
4
5import lldb
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8from lldbsuite.test import lldbutil
9
10
11class TestObjCStaticMethod(TestBase):
12
13    mydir = TestBase.compute_mydir(__file__)
14
15    def setUp(self):
16        # Call super's setUp().
17        TestBase.setUp(self)
18        # Find the line numbers to break inside main().
19        self.main_source = "static.m"
20        self.break_line = line_number(
21            self.main_source, '// Set breakpoint here.')
22
23    @add_test_categories(['pyapi'])
24    #<rdar://problem/9745789> "expression" can't call functions in class methods
25    def test_with_python_api(self):
26        """Test calling functions in static methods."""
27        self.build()
28        exe = self.getBuildArtifact("a.out")
29
30        target = self.dbg.CreateTarget(exe)
31        self.assertTrue(target, VALID_TARGET)
32
33        bpt = target.BreakpointCreateByLocation(
34            self.main_source, self.break_line)
35        self.assertTrue(bpt, VALID_BREAKPOINT)
36
37        # Now launch the process, and do not stop at entry point.
38        process = target.LaunchSimple(
39            None, None, self.get_process_working_directory())
40
41        self.assertTrue(process, PROCESS_IS_VALID)
42
43        # The stop reason of the thread should be breakpoint.
44        thread_list = lldbutil.get_threads_stopped_at_breakpoint(process, bpt)
45
46        # Make sure we stopped at the first breakpoint.
47        self.assertTrue(
48            len(thread_list) != 0,
49            "No thread stopped at our breakpoint.")
50        self.assertEquals(len(thread_list), 1,
51                        "More than one thread stopped at our breakpoint.")
52
53        # Now make sure we can call a function in the static method we've
54        # stopped in.
55        frame = thread_list[0].GetFrameAtIndex(0)
56        self.assertTrue(frame, "Got a valid frame 0 frame.")
57
58        cmd_value = frame.EvaluateExpression("(char *) sel_getName (_cmd)")
59        self.assertTrue(cmd_value.IsValid())
60        sel_name = cmd_value.GetSummary()
61        self.assertTrue(
62            sel_name == "\"doSomethingWithString:\"",
63            "Got the right value for the selector as string.")
64
65        cmd_value = frame.EvaluateExpression(
66            "[self doSomethingElseWithString:string]")
67        self.assertTrue(cmd_value.IsValid())
68        string_length = cmd_value.GetValueAsUnsigned()
69        self.assertTrue(
70            string_length == 27,
71            "Got the right value from another class method on the same class.")
72