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"""
Test scopes in C++.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestCppScopes(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
def test_all_but_c(self):
self.do_test(False)
# There's a global symbol in libsystem on Darwin that messes up
# the lookup of class C. Breaking that test out from the others
# since that is a odd failure, and I don't want it to mask the
# real purpose of this test.
@expectedFailureDarwin(bugnumber="<rdar://problem/28623427>")
@expectedFailureAll(oslist=["windows"])
def test_c(self):
self.do_test(True)
def do_test(self, test_c):
self.build()
# Get main source file
src_file = "main.cpp"
src_file_spec = lldb.SBFileSpec(src_file)
self.assertTrue(src_file_spec.IsValid(), "Main source file")
# Get the path of the executable
cwd = os.getcwd()
exe_file = "a.out"
exe_path = os.path.join(cwd, exe_file)
# Load the executable
target = self.dbg.CreateTarget(exe_path)
self.assertTrue(target.IsValid(), VALID_TARGET)
# Break on main function
main_breakpoint = target.BreakpointCreateBySourceRegex(
"// break here", src_file_spec)
self.assertTrue(
main_breakpoint.IsValid() and main_breakpoint.GetNumLocations() >= 1,
VALID_BREAKPOINT)
# Launch the process
args = None
env = None
process = target.LaunchSimple(
args, env, self.get_process_working_directory())
self.assertTrue(process.IsValid(), PROCESS_IS_VALID)
# Get the thread of the process
self.assertTrue(
process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
# Get current fream of the thread at the breakpoint
frame = thread.GetSelectedFrame()
# Test result for scopes of variables
global_variables = frame.GetVariables(True, True, True, False)
global_variables_assert = {
'A::a': 1111,
'B::a': 2222,
'C::a': 3333,
'::a': 4444,
'a': 4444
}
self.assertTrue(
global_variables.GetSize() == 4,
"target variable returns all variables")
for variable in global_variables:
name = variable.GetName()
self.assertTrue(
name in global_variables_assert,
"target variable returns wrong variable " + name)
for name in global_variables_assert:
if name is "C::a" and not test_c:
continue
if name is not "C::a" and test_c:
continue
value = frame.EvaluateExpression(name)
assert_value = global_variables_assert[name]
self.assertTrue(
value.IsValid() and value.GetValueAsSigned() == assert_value,
name + " = " + str(assert_value))
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