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# encoding: utf-8
"""
Test lldb data formatter subsystem.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
from ObjCDataFormatterTestCase import ObjCDataFormatterTestCase
class ObjCDataFormatterKVO(ObjCDataFormatterTestCase):
def test_kvo_with_run_command(self):
"""Test the behavior of formatters when KVO is in use."""
self.build()
self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
self, '// Set break point at this line.',
lldb.SBFileSpec('main.m', False))
self.runCmd('settings set target.prefer-dynamic-value no-dynamic-values')
# 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)
# as long as KVO is implemented by subclassing, this test should succeed
# we should be able to dynamically figure out that the KVO implementor class
# is a subclass of Molecule, and use the appropriate summary for it
self.runCmd("type summary add -s JustAMoleculeHere Molecule")
self.expect('frame variable molecule', substrs=['JustAMoleculeHere'])
self.runCmd("next")
self.expect("thread list", substrs=['stopped', 'step over'])
self.expect('frame variable molecule', substrs=['JustAMoleculeHere'])
self.runCmd("next")
# check that NSMutableDictionary's formatter is not confused when
# dealing with a KVO'd dictionary
self.expect(
'frame variable newMutableDictionary',
substrs=[
'(NSDictionary *) newMutableDictionary = ',
' 21 key/value pairs'
])
lldbutil.run_break_set_by_symbol(self, '-[Molecule setAtoms:]')
self.runCmd("continue")
self.expect("frame variable _cmd", substrs=['setAtoms:'])
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