57 lines · python
1"""2Test DIL BifField extraction.3"""4 5import lldb6from lldbsuite.test.lldbtest import *7from lldbsuite.test.decorators import *8from lldbsuite.test import lldbutil9 10 11class TestFrameVarDILBitFieldExtraction(TestBase):12 NO_DEBUG_INFO_TESTCASE = True13 14 def expect_var_path(self, expr, compare_to_framevar=False, value=None, type=None):15 value_dil = super().expect_var_path(expr, value=value, type=type)16 if compare_to_framevar:17 self.runCmd("settings set target.experimental.use-DIL false")18 value_frv = super().expect_var_path(expr, value=value, type=type)19 self.runCmd("settings set target.experimental.use-DIL true")20 self.assertEqual(value_dil.GetValue(), value_frv.GetValue())21 22 def test_bitfield_extraction(self):23 self.build()24 lldbutil.run_to_source_breakpoint(25 self, "Set a breakpoint here", lldb.SBFileSpec("main.cpp")26 )27 28 self.runCmd("settings set target.experimental.use-DIL true")29 30 # Test ranges and type31 self.expect_var_path("value[0-1]", True, value="3", type="int:2")32 self.expect_var_path("value[4-7]", True, value="7", type="int:4")33 self.expect_var_path("value[7-0]", True, value="115", type="int:8")34 35 # Test reference and dereferenced pointer36 self.expect_var_path("value_ref[0-1]", value="3", type="int:2")37 self.expect_var_path("(*value_ptr)[0-1]", value="3", type="int:2")38 39 # Test array and pointer40 self.expect(41 "frame var 'int_arr[0-2]'",42 error=True,43 substrs=["bitfield range 0-2 is not valid"],44 )45 self.expect(46 "frame var 'value_ptr[0-1]'",47 error=True,48 substrs=["bitfield range 0-1 is not valid"],49 )50 51 # Test invalid input52 self.expect(53 "frame var 'value[1-]'",54 error=True,55 substrs=["failed to parse integer constant"],56 )57