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"""
Check that SBValue.GetValueAsSigned() does the right thing for a 32-bit -1.
"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class Radar12481949DataFormatterTestCase(TestBase):
# test for rdar://problem/12481949
mydir = TestBase.compute_mydir(__file__)
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 test_with_run_command(self):
"""Check that SBValue.GetValueAsSigned() does the right thing for a 32-bit -1."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", 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 delete hex', check=False)
self.runCmd('type summary clear', check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.assertTrue(
self.frame().FindVariable("myvar").GetValueAsSigned() == -1,
"GetValueAsSigned() says -1")
self.assertTrue(
self.frame().FindVariable("myvar").GetValueAsSigned() != 0xFFFFFFFF,
"GetValueAsSigned() does not say 0xFFFFFFFF")
self.assertTrue(
self.frame().FindVariable("myvar").GetValueAsSigned() != 0xFFFFFFFFFFFFFFFF,
"GetValueAsSigned() does not say 0xFFFFFFFFFFFFFFFF")
self.assertTrue(
self.frame().FindVariable("myvar").GetValueAsUnsigned() != -1,
"GetValueAsUnsigned() does not say -1")
self.assertTrue(
self.frame().FindVariable("myvar").GetValueAsUnsigned() == 0xFFFFFFFF,
"GetValueAsUnsigned() says 0xFFFFFFFF")
self.assertTrue(
self.frame().FindVariable("myvar").GetValueAsUnsigned() != 0xFFFFFFFFFFFFFFFF,
"GetValueAsUnsigned() does not says 0xFFFFFFFFFFFFFFFF")
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