86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class StepUntilTestCase(TestBase):
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line numbers that we will step to in main:
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self.main_source = "main.c"
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self.less_than_two = line_number('main.c', 'Less than 2')
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self.greater_than_two = line_number('main.c', 'Greater than or equal to 2.')
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self.back_out_in_main = line_number('main.c', 'Back out in main')
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def common_setup (self, args):
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self.build()
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exe = self.getBuildArtifact("a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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main_source_spec = lldb.SBFileSpec(self.main_source)
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break_before = target.BreakpointCreateBySourceRegex(
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'At the start',
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main_source_spec)
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self.assertTrue(break_before, VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple(
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args, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# The stop reason of the thread should be breakpoint.
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threads = lldbutil.get_threads_stopped_at_breakpoint(
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process, break_before)
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if len(threads) != 1:
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self.fail("Failed to stop at first breakpoint in main.")
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thread = threads[0]
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return thread
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def do_until (self, args, until_lines, expected_linenum):
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thread = self.common_setup(args)
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cmd_interp = self.dbg.GetCommandInterpreter()
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ret_obj = lldb.SBCommandReturnObject()
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cmd_line = "thread until"
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for line_num in until_lines:
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cmd_line += " %d"%(line_num)
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cmd_interp.HandleCommand(cmd_line, ret_obj)
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self.assertTrue(ret_obj.Succeeded(), "'%s' failed: %s."%(cmd_line, ret_obj.GetError()))
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frame = thread.frames[0]
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line = frame.GetLineEntry().GetLine()
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self.assertEqual(line, expected_linenum, 'Did not get the expected stop line number')
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def test_hitting_one (self):
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"""Test thread step until - targeting one line and hitting it."""
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self.do_until(None, [self.less_than_two], self.less_than_two)
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def test_targetting_two_hitting_first (self):
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"""Test thread step until - targeting two lines and hitting one."""
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self.do_until(["foo", "bar", "baz"], [self.less_than_two, self.greater_than_two], self.greater_than_two)
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def test_targetting_two_hitting_second (self):
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"""Test thread step until - targeting two lines and hitting the other one."""
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self.do_until(None, [self.less_than_two, self.greater_than_two], self.less_than_two)
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def test_missing_one (self):
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"""Test thread step until - targeting one line and missing it by stepping out to call site"""
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self.do_until(["foo", "bar", "baz"], [self.less_than_two], self.back_out_in_main)
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