packages/Python/lldbsuite/test/functionalities/data-formatter/vector-types/TestVectorTypesFormatting.py

   1 """
   2 Check that vector types format properly
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8
   9 import os, time
  10 import lldb
  11 from lldbsuite.test.decorators import *
  12 from lldbsuite.test.lldbtest import *
  13 from lldbsuite.test import lldbutil
  14
  15 class VectorTypesFormattingTestCase(TestBase):
  16
  17     mydir = TestBase.compute_mydir(__file__)
  18
  19     def setUp(self):
  20         # Call super's setUp().
  21         TestBase.setUp(self)
  22         # Find the line number to break at.
  23         self.line = line_number('main.cpp', '// break here')
  24
  25     # rdar://problem/14035604
  26     @skipIf(compiler='gcc') # gcc don't have ext_vector_type extension
  27     def test_with_run_command(self):
  28         """Check that vector types format properly"""
  29         self.build()
  30         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
  31
  32         lldbutil.run_break_set_by_file_and_line (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(): print(v)
  56
  57         self.assertTrue(v.GetNumChildren() == 4, "v as float32[] has 4 children")
  58         self.assertTrue(v.GetChildAtIndex(0).GetData().float[0] == 1.25, "child 0 == 1.25")
  59         self.assertTrue(v.GetChildAtIndex(1).GetData().float[0] == 1.25, "child 1 == 1.25")
  60         self.assertTrue(v.GetChildAtIndex(2).GetData().float[0] == 2.50, "child 2 == 2.50")
  61         self.assertTrue(v.GetChildAtIndex(3).GetData().float[0] == 2.50, "child 3 == 2.50")
  62
  63         self.expect("expr -f int16_t[] -- v", substrs=['(0, 16288, 0, 16288, 0, 16416, 0, 16416)'])
  64         self.expect("expr -f uint128_t[] -- v", substrs=['(85236745249553456609335044694184296448)'])
  65         self.expect("expr -f float32[] -- v", substrs=['(1.25, 1.25, 2.5, 2.5)'])
  66
  67         oldValue = v.GetChildAtIndex(0).GetValue()
  68         v.SetFormat(lldb.eFormatHex)
  69         newValue = v.GetChildAtIndex(0).GetValue()
  70         self.assertFalse(oldValue == newValue, "values did not change along with format")
  71
  72         v.SetFormat(lldb.eFormatVectorOfFloat32)
  73         oldValueAgain = v.GetChildAtIndex(0).GetValue()
  74         self.assertTrue(oldValue == oldValueAgain, "same format but different values")