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"""Check that compiler-generated constant values work correctly"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class ConstVariableTestCase(TestBase):
mydir = os.path.join("lang", "c", "const_variables")
@dsym_test
@unittest2.expectedFailure(13314878)
def test_with_dsym_and_run_command(self):
"""Test interpreted and JITted expressions on constant values."""
self.buildDsym()
self.const_variable()
@skipIfLinux # This test works with gcc, but fails with newer version of clang on Linux due to a clang issue. Fails for icc as well. Bug number TDB.
@dwarf_test
@unittest2.expectedFailure(13314878)
def test_with_dwarf_and_run_command(self):
"""Test interpreted and JITted expressions on constant values."""
self.buildDwarf()
self.const_variable()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
def const_variable(self):
"""Test interpreted and JITted expressions on constant values."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the main.
lldbutil.run_break_set_by_symbol (self, "main", num_expected_locations=1)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
substrs = [' resolved, hit count = 1'])
self.runCmd("next")
# Try frame variable.
self.expect("frame variable index", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int32_t) index = 512'])
# Try an interpreted expression.
self.expect("expr (index + 512)", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) $0 = 1024'])
# Try a JITted expression.
self.expect("expr (int)getpid(); (index - 256)", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) $1 = 256'])
self.runCmd("kill")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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