llvm-project/lldb/packages/Python/lldbsuite/test/expression_command/ir-interpreter/TestIRInterpreter.py

72 lines
2.3 KiB
Python

"""
Test the IR interpreter
"""
from __future__ import print_function
import unittest2
import os, 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__)
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 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'])
@expectedFailureAll(oslist=['windows'], bugnumber="21765") # getpid() is POSIX, among other problems, see bug
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)