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970bb9e0ec
to allow you to step through a complex calling sequence into a particular function that may span multiple lines. Also some test cases for this and the --step-target feature. llvm-svn: 261953
114 lines
4.0 KiB
Python
114 lines
4.0 KiB
Python
"""Test the 'step target' feature."""
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from __future__ import print_function
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import os, time
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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 TestStepTarget(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def getCategories(self):
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return ['basic_process']
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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.end_line = line_number(self.main_source, "All done")
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@add_test_categories(['pyapi'])
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def get_to_start (self):
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self.build()
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exe = os.path.join(os.getcwd(), "a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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self.main_source_spec = lldb.SBFileSpec (self.main_source)
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break_in_main = target.BreakpointCreateBySourceRegex ('Break here to try targetted stepping', self.main_source_spec)
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self.assertTrue(break_in_main, VALID_BREAKPOINT)
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self.assertTrue(break_in_main.GetNumLocations() > 0,"Has locations.")
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple (None, 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 (process, break_in_main)
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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 test_with_end_line(self):
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"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
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thread = self.get_to_start()
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error = lldb.SBError()
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thread.StepInto("lotsOfArgs", self.end_line, error)
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frame = thread.frames[0]
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self.assertTrue (frame.name == "lotsOfArgs", "Stepped to lotsOfArgs.")
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def test_with_end_line_bad_name(self):
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"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
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thread = self.get_to_start()
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error = lldb.SBError()
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thread.StepInto("lotsOfArgssss", self.end_line, error)
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frame = thread.frames[0]
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self.assertTrue (frame.line_entry.line == self.end_line, "Stepped to the block end.")
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def test_with_end_line_deeper(self):
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"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
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thread = self.get_to_start()
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error = lldb.SBError()
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thread.StepInto("modifyInt", self.end_line, error)
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frame = thread.frames[0]
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self.assertTrue (frame.name == "modifyInt", "Stepped to modifyInt.")
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def test_with_command_and_block(self):
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"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
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thread = self.get_to_start()
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result = lldb.SBCommandReturnObject()
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self.dbg.GetCommandInterpreter().HandleCommand('thread step-in -t "lotsOfArgs" -e block', result)
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self.assertTrue(result.Succeeded(), "thread step-in command succeeded.")
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frame = thread.frames[0]
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self.assertTrue (frame.name == "lotsOfArgs", "Stepped to lotsOfArgs.")
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def test_with_command_and_block_and_bad_name(self):
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"""Test stepping over vrs. hitting breakpoints & subsequent stepping in various forms."""
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thread = self.get_to_start()
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result = lldb.SBCommandReturnObject()
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self.dbg.GetCommandInterpreter().HandleCommand('thread step-in -t "lotsOfArgsssss" -e block', result)
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self.assertTrue(result.Succeeded(), "thread step-in command succeeded.")
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frame = thread.frames[0]
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self.assertTrue (frame.name == "main", "Stepped back out to main.")
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# end_line is set to the line after the containing block. Check that we got there:
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self.assertTrue(frame.line_entry.line == self.end_line, "Got out of the block")
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