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"""
Test calling user defined functions using expression evaluation.
Note:
LLDBs current first choice of evaluating functions is using the IR interpreter,
which is only supported on Hexagon. Otherwise JIT is used for the evaluation.
"""
import unittest2
import lldb
import lldbutil
from lldbtest import *
class ExprCommandCallUserDefinedFunction(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break for main.c.
self.line = line_number('main.cpp',
'// Please test these expressions while stopped at this line:')
@expectedFailureDarwin("llvm.org/pr20274", debug_info=["dsym"]) # intermittent failure on MacOSX
@expectedFailureWindows("llvm.org/pr24489: Name lookup not working correctly on Windows")
def test(self):
"""Test return values of user defined function calls."""
self.build()
# Set breakpoint in main and run exe
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)
# Test recursive function call.
self.expect("expr fib(5)", substrs = ['$0 = 5'])
# Test function with more than one paramter
self.expect("expr add(4,8)", substrs = ['$1 = 12'])
# Test nesting function calls in function paramters
self.expect("expr add(add(5,2),add(3,4))", substrs = ['$2 = 14'])
self.expect("expr add(add(5,2),fib(5))", substrs = ['$3 = 12'])
# Test function with pointer paramter
self.expect("exp stringCompare((const char*) \"Hello world\")", substrs = ['$4 = true'])
self.expect("exp stringCompare((const char*) \"Hellworld\")", substrs = ['$5 = false'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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