artulab.com Git - openbsd/blob

   1 """
   2 Check that vector types format properly
   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 VectorTypesFormattingTestCase(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 at.
  22         self.line = line_number('main.cpp', '// break here')
  23
  24     # rdar://problem/14035604
  25     @skipIf(compiler='gcc')  # gcc don't have ext_vector_type extension
  26     def test_with_run_command(self):
  27         """Check that vector types format properly"""
  28         self.build()
  29         self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
  30
  31         lldbutil.run_break_set_by_file_and_line(
  32             self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
  33
  34         self.runCmd("run", RUN_SUCCEEDED)
  35
  36         # The stop reason of the thread should be breakpoint.
  37         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  38                     substrs=['stopped',
  39                              'stop reason = breakpoint'])
  40
  41         # This is the function to remove the custom formats in order to have a
  42         # clean slate for the next test case.
  43         def cleanup():
  44             pass
  45
  46         # Execute the cleanup function during test case tear down.
  47         self.addTearDownHook(cleanup)
  48
  49         pass  # my code never fails
  50
  51         v = self.frame().FindVariable("v")
  52         v.SetPreferSyntheticValue(True)
  53         v.SetFormat(lldb.eFormatVectorOfFloat32)
  54
  55         if self.TraceOn():
  56             print(v)
  57
  58         self.assertTrue(
  59             v.GetNumChildren() == 4,
  60             "v as float32[] has 4 children")
  61         self.assertTrue(v.GetChildAtIndex(0).GetData().float[
  62                         0] == 1.25, "child 0 == 1.25")
  63         self.assertTrue(v.GetChildAtIndex(1).GetData().float[
  64                         0] == 1.25, "child 1 == 1.25")
  65         self.assertTrue(v.GetChildAtIndex(2).GetData().float[
  66                         0] == 2.50, "child 2 == 2.50")
  67         self.assertTrue(v.GetChildAtIndex(3).GetData().float[
  68                         0] == 2.50, "child 3 == 2.50")
  69
  70         self.expect("expr -f int16_t[] -- v",
  71                     substrs=['(0, 16288, 0, 16288, 0, 16416, 0, 16416)'])
  72         self.expect("expr -f uint128_t[] -- v",
  73                     substrs=['(85236745249553456609335044694184296448)'])
  74         self.expect(
  75             "expr -f float32[] -- v",
  76             substrs=['(1.25, 1.25, 2.5, 2.5)'])
  77
  78         oldValue = v.GetChildAtIndex(0).GetValue()
  79         v.SetFormat(lldb.eFormatHex)
  80         newValue = v.GetChildAtIndex(0).GetValue()
  81         self.assertFalse(oldValue == newValue,
  82                          "values did not change along with format")
  83
  84         v.SetFormat(lldb.eFormatVectorOfFloat32)
  85         oldValueAgain = v.GetChildAtIndex(0).GetValue()
  86         self.assertTrue(
  87             oldValue == oldValueAgain,
  88             "same format but different values")