1"""
2Test that the target.process.thread.max-backtrace-depth setting works.
3"""
4
5import unittest2
6import lldb
7from lldbsuite.test.decorators import *
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class BacktraceLimitSettingTest(TestBase):
13    NO_DEBUG_INFO_TESTCASE = True
14
15    def test_backtrace_depth(self):
16        """Test that the max-backtrace-depth setting limits backtraces."""
17        self.build()
18        self.main_source_file = lldb.SBFileSpec("main.cpp")
19        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
20                "Set a breakpoint here", self.main_source_file)
21        interp = self.dbg.GetCommandInterpreter()
22        result = lldb.SBCommandReturnObject()
23        interp.HandleCommand("settings set target.process.thread.max-backtrace-depth 30", result)
24        self.assertEqual(True, result.Succeeded())
25        self.assertEqual(30, thread.GetNumFrames())
26