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"""
Tests that C++ templates work as expected
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TemplateIntegerArgsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def test_with_run_command(self):
"""Test that C++ template classes that have integer parameters work correctly.
We must reconstruct the types correctly so the template types are correct
and display correctly, and also make sure the expression parser works and
is able the find all needed functions when evaluating expressions"""
self.build()
# Set debugger into synchronous mode
self.dbg.SetAsync(False)
# Create a target by the debugger.
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Set breakpoints inside and outside methods that take pointers to the containing struct.
line = line_number('main.cpp', '// Breakpoint 1')
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", line, num_expected_locations=1, loc_exact=True)
arguments = None
environment = None
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple (arguments, environment, self.get_process_working_directory())
self.assertTrue(process, 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 frame for current thread
frame = thread.GetSelectedFrame()
testpos = frame.FindVariable('testpos')
self.assertTrue(testpos.IsValid(), 'make sure we find a local variabble named "testpos"')
self.assertTrue(testpos.GetType().GetName() == 'TestObj<1>')
expr_result = frame.EvaluateExpression("testpos.getArg()")
self.assertTrue(expr_result.IsValid(), 'got a valid expression result from expression "testpos.getArg()"');
self.assertTrue(expr_result.GetValue() == "1", "testpos.getArg() == 1")
self.assertTrue(expr_result.GetType().GetName() == "int", 'expr_result.GetType().GetName() == "int"')
testneg = frame.FindVariable('testneg')
self.assertTrue(testneg.IsValid(), 'make sure we find a local variabble named "testneg"')
self.assertTrue(testneg.GetType().GetName() == 'TestObj<-1>')
expr_result = frame.EvaluateExpression("testneg.getArg()")
self.assertTrue(expr_result.IsValid(), 'got a valid expression result from expression "testneg.getArg()"');
self.assertTrue(expr_result.GetValue() == "-1", "testneg.getArg() == -1")
self.assertTrue(expr_result.GetType().GetName() == "int", 'expr_result.GetType().GetName() == "int"')
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