1*99451b44SJordan Rupprecht"""
2*99451b44SJordan RupprechtTest that ValueObjectPrinter does not cause an infinite loop when a reference to a struct that contains a pointer to itself is printed.
3*99451b44SJordan Rupprecht"""
4*99451b44SJordan Rupprecht
5*99451b44SJordan Rupprecht
6*99451b44SJordan Rupprecht
7*99451b44SJordan Rupprechtimport lldb
8*99451b44SJordan Rupprechtfrom lldbsuite.test.lldbtest import *
9*99451b44SJordan Rupprechtimport lldbsuite.test.lldbutil as lldbutil
10*99451b44SJordan Rupprecht
11*99451b44SJordan Rupprecht
12*99451b44SJordan Rupprechtclass DataFormatterRefPtrRecursionTestCase(TestBase):
13*99451b44SJordan Rupprecht
14*99451b44SJordan Rupprecht    def setUp(self):
15*99451b44SJordan Rupprecht        # Call super's setUp().
16*99451b44SJordan Rupprecht        TestBase.setUp(self)
17*99451b44SJordan Rupprecht        # Find the line number to break at.
18*99451b44SJordan Rupprecht        self.line = line_number('main.cpp', '// Set break point at this line.')
19*99451b44SJordan Rupprecht
20*99451b44SJordan Rupprecht    def test_with_run_command(self):
21*99451b44SJordan Rupprecht        """Test that ValueObjectPrinter does not cause an infinite loop when a reference to a struct that contains a pointer to itself is printed."""
22*99451b44SJordan Rupprecht        self.build()
23*99451b44SJordan Rupprecht        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
24*99451b44SJordan Rupprecht
25*99451b44SJordan Rupprecht        lldbutil.run_break_set_by_file_and_line(
26*99451b44SJordan Rupprecht            self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
27*99451b44SJordan Rupprecht
28*99451b44SJordan Rupprecht        self.runCmd("run", RUN_SUCCEEDED)
29*99451b44SJordan Rupprecht
30*99451b44SJordan Rupprecht        # The stop reason of the thread should be breakpoint.
31*99451b44SJordan Rupprecht        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
32*99451b44SJordan Rupprecht                    substrs=['stopped',
33*99451b44SJordan Rupprecht                             'stop reason = breakpoint'])
34*99451b44SJordan Rupprecht
35*99451b44SJordan Rupprecht        self.expect("frame variable foo", substrs=[])
36*99451b44SJordan Rupprecht        self.expect("frame variable foo --ptr-depth=1", substrs=['ID = 1'])
37*99451b44SJordan Rupprecht        self.expect("frame variable foo --ptr-depth=2", substrs=['ID = 1'])
38*99451b44SJordan Rupprecht        self.expect("frame variable foo --ptr-depth=3", substrs=['ID = 1'])
39