| """ |
| Test the IR interpreter |
| """ |
| |
| from __future__ import print_function |
| |
| import unittest2 |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class IRInterpreterTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| 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") |
| @expectedFailureAll( |
| oslist=['linux'], |
| archs=['arm'], |
| bugnumber="llvm.org/pr27868") |
| 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 $k = 5"] |
| |
| expressions = ["$i + $j", |
| "$i - $j", |
| "$i * $j", |
| "$i / $j", |
| "$i % $k", |
| "$i << $j", |
| "$i & $j", |
| "$i | $j", |
| "$i ^ $j"] |
| |
| 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) |
