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   1 """
   2 Test calling user defined functions using expression evaluation.
   3 This test checks that typesystem lookup works correctly for typedefs of
   4 untagged structures.
   5
   6 Ticket: https://llvm.org/bugs/show_bug.cgi?id=26790
   7 """
   8
   9
  10 import lldb
  11
  12 from lldbsuite.test.decorators import *
  13 from lldbsuite.test.lldbtest import *
  14 from lldbsuite.test import lldbutil
  15
  16
  17 class TestExprLookupAnonStructTypedef(TestBase):
  18     mydir = TestBase.compute_mydir(__file__)
  19
  20     def setUp(self):
  21         TestBase.setUp(self)
  22         # Find the breakpoint
  23         self.line = line_number('main.cpp', '// lldb testsuite break')
  24
  25     @expectedFailureAll(
  26         oslist=['linux'],
  27         archs=['arm'],
  28         bugnumber="llvm.org/pr27868")
  29     def test(self):
  30         """Test typedeffed untagged struct arguments for function call expressions"""
  31         self.build()
  32
  33         self.runCmd("file "+self.getBuildArtifact("a.out"),
  34                     CURRENT_EXECUTABLE_SET)
  35         lldbutil.run_break_set_by_file_and_line(
  36             self,
  37             "main.cpp",
  38             self.line,
  39             num_expected_locations=-1,
  40             loc_exact=True
  41         )
  42
  43         self.runCmd("run", RUN_SUCCEEDED)
  44         self.expect("expr multiply(&s)", substrs=['$0 = 1'])