lldb/test/API/commands/expression/argument_passing_restrictions/TestArgumentPassingRestrictions.py

   1 """
   2 This is a test to ensure that both lldb is reconstructing the right
   3 calling convention for a CXXRecordDecl as represented by:
   4
   5    DW_CC_pass_by_reference
   6    DW_CC_pass_by_value
   7
   8 and to also make sure that the ASTImporter is copying over this
   9 setting when importing the CXXRecordDecl via setArgPassingRestrictions.
  10 """
  11
  12 import lldb
  13 from lldbsuite.test.decorators import *
  14 from lldbsuite.test.lldbtest import *
  15 from lldbsuite.test import lldbutil
  16
  17
  18 class TestArgumentPassingRestrictions(TestBase):
  19     @skipIf(compiler="clang", compiler_version=["<", "7.0"])
  20     def test_argument_passing_restrictions(self):
  21         self.build()
  22
  23         lldbutil.run_to_source_breakpoint(
  24             self, "// break here", lldb.SBFileSpec("main.cpp")
  25         )
  26
  27         self.expect_expr(
  28             "returnPassByRef()",
  29             result_type="PassByRef",
  30             result_children=[ValueCheck(name="x", value="11223344")],
  31         )
  32
  33         self.expect_expr("takePassByRef(p)", result_type="int", result_value="42")