lldb/test/API/commands/expression/radar_9673664/TestExprHelpExamples.py

   1 """
   2 Test example snippets from the lldb 'help expression' output.
   3 """
   4
   5
   6 import lldb
   7 from lldbsuite.test.decorators import *
   8 from lldbsuite.test.lldbtest import *
   9 from lldbsuite.test import lldbutil
  10
  11
  12 class Radar9673644TestCase(TestBase):
  13     def setUp(self):
  14         # Call super's setUp().
  15         TestBase.setUp(self)
  16         # Find the line number to break inside main().
  17         self.main_source = "main.c"
  18         self.line = line_number(self.main_source, "// Set breakpoint here.")
  19
  20     def test_expr_commands(self):
  21         """The following expression commands should just work."""
  22         self.build()
  23
  24         self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
  25
  26         lldbutil.run_break_set_by_file_and_line(
  27             self, self.main_source, self.line, num_expected_locations=1, loc_exact=True
  28         )
  29
  30         self.runCmd("run", RUN_SUCCEEDED)
  31
  32         # rdar://problem/9673664 lldb expression evaluation problem
  33
  34         self.expect('expr char str[] = "foo"; str[0]', substrs=["'f'"])
  35         # runCmd: expr char c[] = "foo"; c[0]
  36         # output: (char) $0 = 'f'