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"""
Test lldb data formatter subsystem.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
class PythonSynthDataFormatterTestCase(TestBase):
mydir = os.path.join("functionalities", "data-formatter", "data-formatter-python-synth")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
def test_with_dsym_and_run_command(self):
"""Test data formatter commands."""
self.buildDsym()
self.data_formatter_commands()
def test_with_dwarf_and_run_command(self):
"""Test data formatter commands."""
self.buildDwarf()
self.data_formatter_commands()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number('main.cpp', '// Set break point at this line.')
def data_formatter_commands(self):
"""Test that that file and class static variables display correctly."""
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
self.expect("breakpoint set -f main.cpp -l %d" % self.line,
BREAKPOINT_CREATED,
startstr = "Breakpoint created: 1: file ='main.cpp', line = %d, locations = 1" %
self.line)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# This is the function to remove the custom formats in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd('type format clear', check=False)
self.runCmd('type summary clear', check=False)
self.runCmd('type filter clear', check=False)
self.runCmd('type synth clear', check=False)
self.runCmd("settings set target.max-children-count 256", check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
# print the f00_1 variable without a synth
self.expect("frame variable f00_1",
substrs = ['a = 0',
'b = 1',
'r = 33']);
# now set up the synth
self.runCmd("script from fooSynthProvider import *")
self.runCmd("type synth add -l fooSynthProvider foo")
# check that we get the two real vars and the fake_a variables
self.expect("frame variable f00_1",
substrs = ['r = 33',
'fake_a = 16777216',
'a = 0']);
# check that we do not get the extra vars
self.expect("frame variable f00_1", matching=False,
substrs = ['b = 1']);
# check access to members by name
self.expect('frame variable f00_1.fake_a',
substrs = ['16777216'])
# check access to members by index
self.expect('frame variable f00_1[1]',
substrs = ['16777216'])
# put synthetic children in summary in several combinations
self.runCmd("type summary add --summary-string \"fake_a=${svar.fake_a}\" foo")
self.expect('frame variable f00_1',
substrs = ['fake_a=16777216'])
#self.runCmd("type summary add --summary-string \"fake_a=${var.fake_a}\" foo")
#self.expect('frame variable f00_1',
# substrs = ['fake_a=16777216'])
#self.runCmd("type summary add --summary-string \"fake_a=${var[1]}\" foo")
#self.expect('frame variable f00_1',
# substrs = ['fake_a=16777216'])
self.runCmd("type summary add --summary-string \"fake_a=${svar[1]}\" foo")
self.expect('frame variable f00_1',
substrs = ['fake_a=16777216'])
# clear the summary
self.runCmd("type summary delete foo")
# check that the caching does not span beyond the stopoint
self.runCmd("n")
self.expect("frame variable f00_1",
substrs = ['r = 33',
'fake_a = 16777216',
'a = 1']);
# check that altering the object also alters fake_a
self.runCmd("expr f00_1.a = 280")
self.expect("frame variable f00_1",
substrs = ['r = 33',
'fake_a = 16777217',
'a = 280']);
# check that capping works for synthetic children as well
self.runCmd("settings set target.max-children-count 2", check=False)
self.expect("frame variable f00_1",
substrs = ['...',
'fake_a = 16777217',
'a = 280']);
self.expect("frame variable f00_1", matching=False,
substrs = ['r = 33']);
self.runCmd("settings set target.max-children-count 256", check=False)
# check that expanding a pointer does the right thing
self.expect("frame variable -P 1 f00_ptr",
substrs = ['r = 45',
'fake_a = 218103808',
'a = 12'])
# now add a filter.. it should fail
self.expect("type filter add foo --child b --child j", error=True,
substrs = ['cannot add'])
# we get the synth again..
self.expect('frame variable f00_1', matching=False,
substrs = ['b = 1',
'j = 17'])
self.expect("frame variable -P 1 f00_ptr",
substrs = ['r = 45',
'fake_a = 218103808',
'a = 12'])
# now delete the synth and add the filter
self.runCmd("type synth delete foo")
self.runCmd("type filter add foo --child b --child j")
self.expect('frame variable f00_1',
substrs = ['b = 1',
'j = 17'])
self.expect("frame variable -P 1 f00_ptr", matching=False,
substrs = ['r = 45',
'fake_a = 218103808',
'a = 12'])
# now add the synth and it should fail
self.expect("type synth add -l fooSynthProvider foo", error=True,
substrs = ['cannot add'])
# check the listing
self.expect('type synth list', matching=False,
substrs = ['foo',
'Python class fooSynthProvider'])
self.expect('type filter list',
substrs = ['foo',
'.b',
'.j'])
# delete the filter, add the synth
self.runCmd("type filter delete foo")
self.runCmd("type synth add -l fooSynthProvider foo")
self.expect('frame variable f00_1', matching=False,
substrs = ['b = 1',
'j = 17'])
self.expect("frame variable -P 1 f00_ptr",
substrs = ['r = 45',
'fake_a = 218103808',
'a = 12'])
# check the listing
self.expect('type synth list',
substrs = ['foo',
'Python class fooSynthProvider'])
self.expect('type filter list', matching=False,
substrs = ['foo',
'.b',
'.j'])
# delete the synth and check that we get good output
self.runCmd("type synth delete foo")
self.expect("frame variable f00_1",
substrs = ['a = 280',
'b = 1',
'j = 17']);
self.expect("frame variable f00_1", matching=False,
substrs = ['fake_a = '])
self.runCmd("n")
self.runCmd("script from ftsp import *")
self.runCmd("type synth add -l ftsp wrapint")
self.expect('frame variable test_cast',
substrs = ['A',
'B',
'C',
'D'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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