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"""
Tests imported namespaces in C++.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestCppNsImport(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(oslist=['freebsd'], bugnumber="llvm.org/pr25925")
def test_with_run_command(self):
"""Tests imported namespaces in 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
break_0 = target.BreakpointCreateBySourceRegex(
"// break 0", src_file_spec)
self.assertTrue(
break_0.IsValid() and break_0.GetNumLocations() >= 1,
VALID_BREAKPOINT)
break_1 = target.BreakpointCreateBySourceRegex(
"// break 1", src_file_spec)
self.assertTrue(
break_1.IsValid() and break_1.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 imported namespaces
test_result = frame.EvaluateExpression("n")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 1,
"n = 1")
test_result = frame.EvaluateExpression("N::n")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 1,
"N::n = 1")
test_result = frame.EvaluateExpression("nested")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 3,
"nested = 3")
test_result = frame.EvaluateExpression("anon")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 2,
"anon = 2")
test_result = frame.EvaluateExpression("global")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 4,
"global = 4")
test_result = frame.EvaluateExpression("fun_var")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 9,
"fun_var = 9")
test_result = frame.EvaluateExpression("Fun::fun_var")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 0,
"Fun::fun_var = 0")
test_result = frame.EvaluateExpression("not_imported")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 35,
"not_imported = 35")
# Currently there is no way to distinguish between "::imported" and "imported" in ClangExpressionDeclMap so this fails
#test_result = frame.EvaluateExpression("::imported")
#self.assertTrue(test_result.IsValid() and test_result.GetValueAsSigned() == 89, "::imported = 89")
test_result = frame.EvaluateExpression("Imported::imported")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 99,
"Imported::imported = 99")
test_result = frame.EvaluateExpression("imported")
self.assertTrue(
test_result.IsValid() and test_result.GetError().Fail(),
"imported is ambiguous")
test_result = frame.EvaluateExpression("single")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 3,
"single = 3")
# Continue to second breakpoint
process.Continue()
# 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 function inside namespace
test_result = frame.EvaluateExpression("fun_var")
self.assertTrue(
test_result.IsValid() and test_result.GetValueAsSigned() == 5,
"fun_var = 5")
|
