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"""
Test lldb data formatter subsystem.
"""
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 LibCxxAtomicTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def get_variable(self, name):
var = self.frame().FindVariable(name)
var.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
var.SetPreferSyntheticValue(True)
return var
@skipIf(compiler=["gcc"])
@add_test_categories(["libc++"])
def test(self):
"""Test that std::atomic as defined by libc++ is correctly printed by LLDB"""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
bkpt = self.target().FindBreakpointByID(
lldbutil.run_break_set_by_source_regexp(
self, "Set break point at this line."))
self.runCmd("run", RUN_SUCCEEDED)
lldbutil.skip_if_library_missing(
self, self.target(), lldbutil.PrintableRegex("libc\+\+"))
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
s = self.get_variable('s')
i = self.get_variable('i')
if self.TraceOn():
print(s)
if self.TraceOn():
print(i)
self.assertTrue(i.GetValueAsUnsigned(0) == 5, "i == 5")
self.assertTrue(s.GetNumChildren() == 2, "s has two children")
self.assertTrue(
s.GetChildAtIndex(0).GetValueAsUnsigned(0) == 1,
"s.x == 1")
self.assertTrue(
s.GetChildAtIndex(1).GetValueAsUnsigned(0) == 2,
"s.y == 2")
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