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