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"""Check that compiler-generated constant values work correctly"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ConstVariableTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(
oslist=["freebsd", "linux"],
compiler="clang", compiler_version=["<", "3.5"])
@expectedFailureAll(
oslist=["freebsd", "linux"],
compiler="clang", compiler_version=["=", "3.7"])
@expectedFailureAll(
oslist=["freebsd", "linux"],
compiler="clang", compiler_version=["=", "3.8"])
@expectedFailureAll(oslist=["freebsd", "linux"], compiler="icc")
@expectedFailureAll(archs=['mips', 'mipsel', 'mips64', 'mips64el'])
@expectedFailureAll(
oslist=["linux"],
archs=[
'arm',
'aarch64'],
bugnumber="llvm.org/pr27883")
@expectedFailureAll(
oslist=["windows"],
bugnumber="llvm.org/pr24489: Name lookup not working correctly on Windows")
def test_and_run_command(self):
"""Test interpreted and JITted expressions on constant values."""
self.build()
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")
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=['1024'])
# Try a JITted expression.
self.expect(
"expr (int)getpid(); (index - 256)",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['256'])
self.runCmd("kill")
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