artulab.com Git - openbsd/blob

   1 """
   2 Test the IR interpreter
   3 """
   4
   5
   6 import unittest2
   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 IRInterpreterTestCase(TestBase):
  15
  16     mydir = TestBase.compute_mydir(__file__)
  17     NO_DEBUG_INFO_TESTCASE = True
  18
  19     def setUp(self):
  20         # Call super's setUp().
  21         TestBase.setUp(self)
  22         # Find the line number to break for main.c.
  23         self.line = line_number('main.c',
  24                                 '// Set breakpoint here')
  25
  26         # Disable confirmation prompt to avoid infinite wait
  27         self.runCmd("settings set auto-confirm true")
  28         self.addTearDownHook(
  29             lambda: self.runCmd("settings clear auto-confirm"))
  30
  31     def build_and_run(self):
  32         """Test the IR interpreter"""
  33         self.build()
  34
  35         self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
  36
  37         lldbutil.run_break_set_by_file_and_line(
  38             self, "main.c", self.line, num_expected_locations=1, loc_exact=False)
  39
  40         self.runCmd("run", RUN_SUCCEEDED)
  41
  42     @add_test_categories(['pyapi'])
  43     # getpid() is POSIX, among other problems, see bug
  44     @expectedFailureAll(
  45         oslist=['windows'],
  46         bugnumber="http://llvm.org/pr21765")
  47     @expectedFailureNetBSD
  48     @expectedFailureAll(
  49         oslist=['linux'],
  50         archs=['arm'],
  51         bugnumber="llvm.org/pr27868")
  52     def test_ir_interpreter(self):
  53         self.build_and_run()
  54
  55         options = lldb.SBExpressionOptions()
  56         options.SetLanguage(lldb.eLanguageTypeC_plus_plus)
  57
  58         set_up_expressions = ["int $i = 9", "int $j = 3", "int $k = 5"]
  59
  60         expressions = ["$i + $j",
  61                        "$i - $j",
  62                        "$i * $j",
  63                        "$i / $j",
  64                        "$i % $k",
  65                        "$i << $j",
  66                        "$i & $j",
  67                        "$i | $j",
  68                        "$i ^ $j"]
  69
  70         for expression in set_up_expressions:
  71             self.frame().EvaluateExpression(expression, options)
  72
  73         for expression in expressions:
  74             interp_expression = expression
  75             jit_expression = "(int)getpid(); " + expression
  76
  77             interp_result = self.frame().EvaluateExpression(
  78                 interp_expression, options).GetValueAsSigned()
  79             jit_result = self.frame().EvaluateExpression(
  80                 jit_expression, options).GetValueAsSigned()
  81
  82             self.assertEqual(
  83                 interp_result,
  84                 jit_result,
  85                 "While evaluating " +
  86                 expression)
  87
  88     def test_type_conversions(self):
  89         target = self.dbg.GetDummyTarget()
  90         short_val = target.EvaluateExpression("(short)-1")
  91         self.assertEqual(short_val.GetValueAsSigned(), -1)
  92         long_val = target.EvaluateExpression("(long) "+ short_val.GetName())
  93         self.assertEqual(long_val.GetValueAsSigned(), -1)