1"""
2Test stepping into std::function
3"""
4
5
6
7import lldb
8from lldbsuite.test.decorators import *
9from lldbsuite.test.lldbtest import *
10from lldbsuite.test import lldbutil
11
12
13class LibCxxFunctionSteppingIntoCallableTestCase(TestBase):
14
15    mydir = TestBase.compute_mydir(__file__)
16
17    NO_DEBUG_INFO_TESTCASE = True
18
19    @add_test_categories(["libc++"])
20    def test(self):
21        """Test that std::function as defined by libc++ is correctly printed by LLDB"""
22        self.build()
23
24        self.main_source = "main.cpp"
25        self.main_source_spec = lldb.SBFileSpec(self.main_source)
26        self.source_foo_line = line_number(
27            self.main_source, '// Source foo start line')
28        self.source_lambda_f2_line = line_number(
29            self.main_source, '// Source lambda used by f2 start line')
30        self.source_lambda_f3_line = line_number(
31            self.main_source, '// Source lambda used by f3 start line')
32        self.source_bar_operator_line = line_number(
33            self.main_source, '// Source Bar::operator()() start line')
34        self.source_bar_add_num_line = line_number(
35            self.main_source, '// Source Bar::add_num start line')
36        self.source_main_invoking_f1 = line_number(
37            self.main_source, '// Source main invoking f1')
38
39        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
40            self, "// Set break point at this line.", self.main_source_spec)
41
42        thread.StepInto()
43        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_main_invoking_f1 ) ;
44        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
45
46        thread.StepInto()
47        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_foo_line ) ;
48        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
49        process.Continue()
50
51        thread.StepInto()
52        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_lambda_f2_line ) ;
53        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
54        process.Continue()
55
56        thread.StepInto()
57        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_lambda_f3_line ) ;
58        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
59        process.Continue()
60
61        # TODO reenable this case when std::function formatter supports
62        # general callable object case.
63        #thread.StepInto()
64        #self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_bar_operator_line ) ;
65        #self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
66        #process.Continue()
67
68        thread.StepInto()
69        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_bar_add_num_line ) ;
70        self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
71        process.Continue()
72