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"""
Test jumping to different places.
"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ThreadJumpTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def test(self):
"""Test thread jump handling."""
self.build(dictionary=self.getBuildFlags())
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Find the line numbers for our breakpoints.
self.mark1 = line_number('main.cpp', '// 1st marker')
self.mark2 = line_number('main.cpp', '// 2nd marker')
self.mark3 = line_number('main.cpp', '// 3rd marker')
self.mark4 = line_number('main.cpp', '// 4th marker')
self.mark5 = line_number('other.cpp', '// other marker')
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.mark3, num_expected_locations=1)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint 1.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT + " 1",
substrs=[
'stopped',
'main.cpp:{}'.format(
self.mark3),
'stop reason = breakpoint 1'])
# Try the int path, force it to return 'a'
self.do_min_test(self.mark3, self.mark1, "i", "4")
# Try the int path, force it to return 'b'
self.do_min_test(self.mark3, self.mark2, "i", "5")
# Try the double path, force it to return 'a'
self.do_min_test(self.mark4, self.mark1, "j", "7")
# Try the double path, force it to return 'b'
self.do_min_test(self.mark4, self.mark2, "j", "8")
# Try jumping to another function in a different file.
self.runCmd(
"thread jump --file other.cpp --line %i --force" %
self.mark5)
self.expect("process status",
substrs=["at other.cpp:%i" % self.mark5])
# Try jumping to another function (without forcing)
self.expect(
"j main.cpp:%i" %
self.mark1,
COMMAND_FAILED_AS_EXPECTED,
error=True,
substrs=["error"])
def do_min_test(self, start, jump, var, value):
# jump to the start marker
self.runCmd("j %i" % start)
self.runCmd("thread step-in") # step into the min fn
# jump to the branch we're interested in
self.runCmd("j %i" % jump)
self.runCmd("thread step-out") # return out
self.runCmd("thread step-over") # assign to the global
self.expect("expr %s" % var, substrs=[value]) # check it
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