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"""
Test lldb data formatter subsystem.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import datetime
import lldbutil
class DataFormatterRdar12437442TestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@dsym_test
def test_rdar12437442_with_dsym_and_run_command(self):
"""Test that we update SBValues correctly as dynamic types change."""
self.buildDsym()
self.rdar12437442_tester()
@skipUnlessDarwin
@dwarf_test
def test_rdar12437442_with_dwarf_and_run_command(self):
"""Test that we update SBValues correctly as dynamic types change."""
self.buildDwarf()
self.rdar12437442_tester()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number('main.m', '// Set break point at this line.')
def rdar12437442_tester(self):
"""Test that we update SBValues correctly as dynamic types change."""
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "main.m", self.line, num_expected_locations=1, loc_exact=True)
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 synth clear', check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
# Now run the bulk of the test
id_x = self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread().GetSelectedFrame().FindVariable("x")
id_x.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
id_x.SetPreferSyntheticValue(True)
if self.TraceOn():
self.runCmd("expr --dynamic-type run-target --ptr-depth 1 -- x")
self.assertTrue(id_x.GetSummary() == '@"5 objects"', "array does not get correct summary")
self.runCmd("next")
self.runCmd("frame select 0")
id_x = self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread().GetSelectedFrame().FindVariable("x")
id_x.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
id_x.SetPreferSyntheticValue(True)
if self.TraceOn():
self.runCmd("expr --dynamic-type run-target --ptr-depth 1 -- x")
self.assertTrue(id_x.GetNumChildren() == 7, "dictionary does not have 7 children")
id_x.SetPreferSyntheticValue(False)
self.assertFalse(id_x.GetNumChildren() == 7, "dictionary still looks synthetic")
id_x.SetPreferSyntheticValue(True)
self.assertTrue(id_x.GetSummary() == "7 key/value pairs", "dictionary does not get correct summary")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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