llvm-project/lldb/test/API/lang/c/const_variables/TestConstVariables.py

56 lines
1.8 KiB
Python

"""Check that compiler-generated constant values work correctly"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ConstVariableTestCase(TestBase):
@expectedFailureAll(oslist=["freebsd", "linux"], compiler="icc")
@expectedFailureAll(archs=['mips', 'mipsel', 'mips64', 'mips64el'])
@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 = self.getBuildArtifact("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.
lldbutil.check_breakpoint(self, bpno = 1, expected_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")