lldb/test/API/lang/objc/bitfield_ivars/TestBitfieldIvars.py

   1 import lldb
   2 from lldbsuite.test.decorators import *
   3 from lldbsuite.test.lldbtest import *
   4 from lldbsuite.test import lldbutil
   5
   6
   7 class TestBitfieldIvars(TestBase):
   8     def test(self):
   9         self.build()
  10         lldbutil.run_to_source_breakpoint(
  11             self, "// break here", lldb.SBFileSpec("main.m")
  12         )
  13
  14         self.expect_expr(
  15             "chb->hb->field1", result_type="unsigned int", result_value="0"
  16         )
  17         ## This should happen second
  18         self.expect_expr(
  19             "chb->hb->field2", result_type="unsigned int", result_value="1"
  20         )
  21
  22         self.expect_expr("hb2->field1", result_type="unsigned int", result_value="10")
  23         self.expect_expr("hb2->field2", result_type="unsigned int", result_value="3")
  24         self.expect_expr("hb2->field3", result_type="unsigned int", result_value="4")
  25
  26         self.expect(
  27             "frame var *hb2",
  28             substrs=["x =", "100", "field1 =", "10", "field2 =", "3", "field3 =", "4"],
  29         )
  30
  31         self.expect_expr(
  32             "myField",
  33             result_type="UCBitFields",
  34             result_children=[
  35                 ValueCheck(name="fieldOne", value="'\\0'"),
  36                 ValueCheck(name="fieldTwo", value="'\\x01'"),
  37                 ValueCheck(name="fieldThree", value="'\\0'"),
  38                 ValueCheck(name="fieldFour", value="'\\0'"),
  39                 ValueCheck(name="fieldFive", value="'\\x01'"),
  40             ],
  41         )
  42
  43     # This test is meant to be xfailed, but running the test triggers an ASan
  44     # issue, so it must be skipped for now.
  45     @skipIf
  46     def testExprWholeObject(self):
  47         self.build()
  48         lldbutil.run_to_source_breakpoint(
  49             self, "// break here", lldb.SBFileSpec("main.m")
  50         )
  51
  52         ## FIXME expression with individual bit-fields obtains correct values but not with the whole object
  53         self.expect(
  54             "expr *hb2",
  55             substrs=["x =", "100", "field1 =", "10", "field2 =", "3", "field3 =", "4"],
  56         )