| """ |
| Test the IR interpreter |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class IRInterpreterTestCase(TestBase): |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break for main.c. |
| self.line = line_number("main.c", "// Set breakpoint here") |
| |
| # Disable confirmation prompt to avoid infinite wait |
| self.runCmd("settings set auto-confirm true") |
| self.addTearDownHook(lambda: self.runCmd("settings clear auto-confirm")) |
| |
| def build_and_run(self): |
| """Test the IR interpreter""" |
| self.build() |
| |
| self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, "main.c", self.line, num_expected_locations=1, loc_exact=False |
| ) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| @add_test_categories(["pyapi"]) |
| # getpid() is POSIX, among other problems, see bug |
| @expectedFailureAll(oslist=["windows"], bugnumber="http://llvm.org/pr21765") |
| def test_ir_interpreter(self): |
| self.build_and_run() |
| |
| options = lldb.SBExpressionOptions() |
| options.SetLanguage(lldb.eLanguageTypeC_plus_plus) |
| |
| set_up_expressions = [ |
| "int $i = 9", |
| "int $j = 3", |
| "int $k = 5", |
| "unsigned long long $ull = -1", |
| "unsigned $u = -1", |
| ] |
| |
| expressions = [ |
| "$i + $j", |
| "$i - $j", |
| "$i * $j", |
| "$i / $j", |
| "$i % $k", |
| "$i << $j", |
| "$i & $j", |
| "$i | $j", |
| "$i ^ $j", |
| "($ull & -1) == $u", |
| ] |
| |
| for expression in set_up_expressions: |
| self.frame().EvaluateExpression(expression, options) |
| |
| for expression in expressions: |
| interp_expression = expression |
| jit_expression = "(int)getpid(); " + expression |
| |
| interp_result = ( |
| self.frame() |
| .EvaluateExpression(interp_expression, options) |
| .GetValueAsSigned() |
| ) |
| jit_result = ( |
| self.frame() |
| .EvaluateExpression(jit_expression, options) |
| .GetValueAsSigned() |
| ) |
| |
| self.assertEqual( |
| interp_result, jit_result, "While evaluating " + expression |
| ) |
| |
| def test_type_conversions(self): |
| target = self.dbg.GetDummyTarget() |
| short_val = target.EvaluateExpression("(short)-1") |
| self.assertEqual(short_val.GetValueAsSigned(), -1) |
| long_val = target.EvaluateExpression("(long) " + short_val.GetName()) |
| self.assertEqual(long_val.GetValueAsSigned(), -1) |