Files
llvm/lldb/test/API/commands/frame/var-dil/basics/PointerArithmetic/TestFrameVarDILPointerArithmetic.py

51 lines
1.8 KiB
Python

"""
Test DIL pointer arithmetic.
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
from lldbsuite.test import lldbutil
class TestFrameVarDILGlobalVariableLookup(TestBase):
NO_DEBUG_INFO_TESTCASE = True
def expect_var_path(self, expr, compare_to_framevar=False, value=None, type=None):
value_dil = super().expect_var_path(expr, value=value, type=type)
if compare_to_framevar:
self.runCmd("settings set target.experimental.use-DIL false")
value_frv = super().expect_var_path(expr, value=value, type=type)
self.runCmd("settings set target.experimental.use-DIL true")
self.assertEqual(value_dil.GetValue(), value_frv.GetValue())
def test_dereference(self):
self.build()
lldbutil.run_to_source_breakpoint(
self, "Set a breakpoint here", lldb.SBFileSpec("main.cpp")
)
self.runCmd("settings set target.experimental.use-DIL true")
self.expect_var_path("*p_int0", True, value="0")
self.expect_var_path("*cp_int5", True, value="5")
self.expect_var_path("*rcp_int0", True, type="const int *")
self.expect_var_path("*offset_p", True, value="5")
self.expect_var_path("*offset_pref", True, type="int *")
self.expect_var_path("**pp_int0", value="0")
self.expect_var_path("&**pp_int0", type="int *")
self.expect(
"frame var '*array'",
error=True,
substrs=["not a pointer or reference type"],
)
self.expect(
"frame var '&*p_null'",
error=True,
substrs=["doesn't have a valid address"],
)
self.expect(
"frame var '&*p_void'",
error=True,
substrs=["dereference failed: (void *) p_void"],
)