artulab.com Git - openbsd/blob

   1 """
   2 Test lldb data formatter subsystem.
   3 """
   4
   5
   6
   7 import lldb
   8 from lldbsuite.test.decorators import *
   9 from lldbsuite.test.lldbtest import *
  10 from lldbsuite.test import lldbutil
  11
  12
  13 class LibcxxSetDataFormatterTestCase(TestBase):
  14
  15     mydir = TestBase.compute_mydir(__file__)
  16
  17     def setUp(self):
  18         TestBase.setUp(self)
  19         ns = 'ndk' if lldbplatformutil.target_is_android() else ''
  20         self.namespace = 'std::__' + ns + '1'
  21
  22     def getVariableType(self, name):
  23         var = self.frame().FindVariable(name)
  24         self.assertTrue(var.IsValid())
  25         return var.GetType().GetCanonicalType().GetName()
  26
  27     def check_ii(self, var_name):
  28         """ This checks the value of the bitset stored in ii at the call to by_ref_and_ptr.
  29             We use this to make sure we get the same values for ii when we look at the object
  30             directly, and when we look at a reference to the object. """
  31         self.expect(
  32             "frame variable " + var_name,
  33             substrs=["size=7",
  34                      "[2] = 2",
  35                      "[3] = 3",
  36                      "[6] = 6"])
  37         self.expect("frame variable " + var_name + "[2]", substrs=[" = 2"])
  38         self.expect(
  39             "p " + var_name,
  40             substrs=[
  41                 "size=7",
  42                 "[2] = 2",
  43                 "[3] = 3",
  44                 "[6] = 6"])
  45
  46     @add_test_categories(["libc++"])
  47     def test_with_run_command(self):
  48         """Test that that file and class static variables display correctly."""
  49         self.build()
  50         (self.target, process, _, bkpt) = lldbutil.run_to_source_breakpoint(
  51             self, "Set break point at this line.", lldb.SBFileSpec("main.cpp", False))
  52
  53         # This is the function to remove the custom formats in order to have a
  54         # clean slate for the next test case.
  55         def cleanup():
  56             self.runCmd('type format clear', check=False)
  57             self.runCmd('type summary clear', check=False)
  58             self.runCmd('type filter clear', check=False)
  59             self.runCmd('type synth clear', check=False)
  60             self.runCmd(
  61                 "settings set target.max-children-count 256",
  62                 check=False)
  63
  64         # Execute the cleanup function during test case tear down.
  65         self.addTearDownHook(cleanup)
  66
  67         ii_type = self.getVariableType("ii")
  68         self.assertTrue(ii_type.startswith(self.namespace + "::set"),
  69                         "Type: " + ii_type)
  70
  71         self.expect("frame variable ii", substrs=["size=0", "{}"])
  72         lldbutil.continue_to_breakpoint(process, bkpt)
  73         self.expect(
  74             "frame variable ii",
  75             substrs=["size=6",
  76                      "[0] = 0",
  77                      "[1] = 1",
  78                      "[2] = 2",
  79                      "[3] = 3",
  80                      "[4] = 4",
  81                      "[5] = 5"])
  82         lldbutil.continue_to_breakpoint(process, bkpt)
  83         self.check_ii("ii")
  84
  85         lldbutil.continue_to_breakpoint(process, bkpt)
  86         self.expect("frame variable ii", substrs=["size=0", "{}"])
  87         lldbutil.continue_to_breakpoint(process, bkpt)
  88         self.expect("frame variable ii", substrs=["size=0", "{}"])
  89
  90         ss_type = self.getVariableType("ss")
  91         self.assertTrue(ii_type.startswith(self.namespace + "::set"),
  92                         "Type: " + ss_type)
  93
  94         self.expect("frame variable ss", substrs=["size=0", "{}"])
  95         lldbutil.continue_to_breakpoint(process, bkpt)
  96         self.expect(
  97             "frame variable ss",
  98             substrs=["size=2",
  99                      '[0] = "a"',
 100                      '[1] = "a very long string is right here"'])
 101         lldbutil.continue_to_breakpoint(process, bkpt)
 102         self.expect(
 103             "frame variable ss",
 104             substrs=["size=4",
 105                      '[2] = "b"',
 106                      '[3] = "c"',
 107                      '[0] = "a"',
 108                      '[1] = "a very long string is right here"'])
 109         self.expect(
 110             "p ss",
 111             substrs=["size=4",
 112                      '[2] = "b"',
 113                      '[3] = "c"',
 114                      '[0] = "a"',
 115                      '[1] = "a very long string is right here"'])
 116         self.expect("frame variable ss[2]", substrs=[' = "b"'])
 117         lldbutil.continue_to_breakpoint(process, bkpt)
 118         self.expect(
 119             "frame variable ss",
 120             substrs=["size=3",
 121                      '[0] = "a"',
 122                      '[1] = "a very long string is right here"',
 123                      '[2] = "c"'])
 124
 125     @add_test_categories(["libc++"])
 126     def test_ref_and_ptr(self):
 127         """Test that the data formatters work on ref and ptr."""
 128         self.build()
 129         (self.target, process, _, bkpt) = lldbutil.run_to_source_breakpoint(
 130             self, "Stop here to check by ref and ptr.",
 131             lldb.SBFileSpec("main.cpp", False))
 132         # The reference should print just like the value:
 133         self.check_ii("ref")
 134
 135         self.expect("frame variable ptr",
 136                     substrs=["ptr =", "size=7"])
 137         self.expect("expr ptr",
 138                     substrs=["size=7"])
 139