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"""
Tests calling builtin functions using expression evaluation.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ExprCommandCallBuiltinFunction(TestBase):
mydir = TestBase.compute_mydir(__file__)
# Builtins are expanded by Clang, so debug info shouldn't matter.
NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
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:')
def test(self):
self.build()
# Set breakpoint in main and run exe
self.runCmd("file " + self.getBuildArtifact("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)
interp = self.dbg.GetCommandInterpreter()
result = lldb.SBCommandReturnObject()
# Test different builtin functions.
interp.HandleCommand("expr __builtin_isinf(0.0f)", result)
self.assertEqual(result.GetOutput(), "(int) $0 = 0\n")
interp.HandleCommand("expr __builtin_isnormal(0.0f)", result)
self.assertEqual(result.GetOutput(), "(int) $1 = 0\n")
interp.HandleCommand("expr __builtin_constant_p(1)", result)
self.assertEqual(result.GetOutput(), "(int) $2 = 1\n")
interp.HandleCommand("expr __builtin_abs(-14)", result)
self.assertEqual(result.GetOutput(), "(int) $3 = 14\n")
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