packages/Python/lldbsuite/test/expression_command/call-function/TestCallStdStringFunction.py

   1 """
   2 Test calling std::String member functions.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import lldb
   9 from lldbsuite.test.decorators import *
  10 from lldbsuite.test.lldbtest import *
  11 from lldbsuite.test import lldbutil
  12
  13
  14 class ExprCommandCallFunctionTestCase(TestBase):
  15
  16     mydir = TestBase.compute_mydir(__file__)
  17
  18     def setUp(self):
  19         # Call super's setUp().
  20         TestBase.setUp(self)
  21         # Find the line number to break for main.c.
  22         self.line = line_number(
  23             'main.cpp',
  24             '// Please test these expressions while stopped at this line:')
  25
  26     @expectedFailureAll(
  27         compiler="icc",
  28         bugnumber="llvm.org/pr14437, fails with ICC 13.1")
  29     @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
  30     def test_with(self):
  31         """Test calling std::String member function."""
  32         self.build()
  33         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
  34
  35         # Some versions of GCC encode two locations for the 'return' statement
  36         # in main.cpp
  37         lldbutil.run_break_set_by_file_and_line(
  38             self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True)
  39
  40         self.runCmd("run", RUN_SUCCEEDED)
  41
  42         self.expect("print str",
  43                     substrs=['Hello world'])
  44
  45         # Calling this function now succeeds, but we follow the typedef return type through to
  46         # const char *, and thus don't invoke the Summary formatter.
  47
  48         # clang's libstdc++ on ios arm64 inlines std::string::c_str() always;
  49         # skip this part of the test.
  50         triple = self.dbg.GetSelectedPlatform().GetTriple()
  51         do_cstr_test = True
  52         if triple == "arm64-apple-ios" or triple == "arm64-apple-tvos" or triple == "armv7k-apple-watchos" or triple == "arm64-apple-bridgeos":
  53             do_cstr_test = False
  54         if do_cstr_test:
  55             self.expect("print str.c_str()",
  56                         substrs=['Hello world'])