| #!/usr/bin/env python |
| # -*- coding: utf-8 -*- |
| # |
| # Copyright (C) 2018 Apple Inc. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # 1. Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # 2. Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # |
| # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| import atexit |
| import lldb |
| import lldb_webkit |
| import os |
| import sys |
| import unittest |
| |
| from webkitpy.common.system.systemhost import SystemHost |
| |
| # Run just the tests in this file with ./Tools/Scripts/test-webkitpy lldb_webkit_unittest |
| |
| # We cache the lldb debug session state so that we don't create it again for each call to a serial_test_ method. |
| # We store it in a global variable so that we can delete this cached state on exit(3). |
| # FIXME: Remove this once test-webkitpy supports class and module fixtures (i.e. setUpClass()/setUpModule() |
| # are called exactly once per class/module). |
| cached_debug_session = None |
| |
| |
| # FIXME: Remove this once test-webkitpy supports class and module fixtures (i.e. setUpClass()/setUpModule() |
| # are called exactly once per class/module). |
| @atexit.register |
| def destroy_cached_debug_session(): |
| if cached_debug_session: |
| cached_debug_session.tearDown() |
| |
| |
| class LLDBDebugSession(object): |
| @classmethod |
| def setup(cls): |
| BREAK_FOR_TESTING_FUNCTION_NAME = 'breakForTestingSummaryProviders' |
| |
| cls.sbDebugger = lldb.SBDebugger.Create() |
| cls.sbDebugger.SetAsync(False) |
| |
| cls.lldbWebKitTesterExecutable = str(os.environ['LLDB_WEBKIT_TESTER_EXECUTABLE']) |
| |
| cls.sbTarget = cls.sbDebugger.CreateTarget(cls.lldbWebKitTesterExecutable) |
| assert cls.sbTarget |
| cls.sbTarget.BreakpointCreateByName(BREAK_FOR_TESTING_FUNCTION_NAME, cls.sbTarget.GetExecutable().GetFilename()) |
| |
| argv = None |
| envp = None |
| cls.sbProcess = cls.sbTarget.LaunchSimple(argv, envp, os.getcwd()) |
| assert cls.sbProcess |
| assert cls.sbProcess.GetState() == lldb.eStateStopped |
| |
| cls.sbThread = cls.sbProcess.GetThreadAtIndex(0) |
| assert cls.sbThread |
| |
| # Frame 0 is the function with name BREAK_FOR_TESTING_FUNCTION_NAME. We want the frame of the caller of |
| # BREAK_FOR_TESTING_FUNCTION_NAME because it has all the interesting local variables we want to test. |
| cls.sbFrame = cls.sbThread.GetFrameAtIndex(1) |
| assert cls.sbFrame |
| |
| @classmethod |
| def tearDown(cls): |
| cls.sbProcess.Kill() |
| |
| |
| class TestSummaryProviders(unittest.TestCase): |
| @classmethod |
| def shouldSkip(cls): |
| return not SystemHost().platform.is_mac() |
| |
| @classmethod |
| def setUpClass(cls): |
| global cached_debug_session |
| if not cached_debug_session: |
| cached_debug_session = LLDBDebugSession() |
| cached_debug_session.setup() |
| |
| @property |
| def _sbFrame(self): |
| return cached_debug_session.sbFrame |
| |
| # The LLDB Python module does not work with Python multiprocessing and causes errors of the form: |
| # objc[76794]: +[__MDQuery initialize] may have been in progress in another thread when fork() was called. |
| # We cannot safely call it or ignore it in the fork() child process. Crashing instead. |
| # So, we run the following tests serially. |
| |
| # MARK: WTFStringImpl_SummaryProvider test cases |
| |
| def serial_test_WTFStringImpl_SummaryProvider_null_string(self): |
| summary = lldb_webkit.WTFStringImpl_SummaryProvider(self._sbFrame.FindVariable('aNullStringImpl'), {}) |
| self.assertEqual(summary, "{ length = 0, is8bit = 1, contents = '' }") |
| |
| def serial_test_WTFStringImpl_SummaryProvider_empty_string(self): |
| summary = lldb_webkit.WTFStringImpl_SummaryProvider(self._sbFrame.FindVariable('anEmptyStringImpl'), {}) |
| self.assertEqual(summary, "{ length = 0, is8bit = 1, contents = '' }") |
| |
| def serial_test_WTFStringImpl_SummaryProvider_8bit_string(self): |
| summary = lldb_webkit.WTFStringImpl_SummaryProvider(self._sbFrame.FindVariable('an8BitStringImpl'), {}) |
| self.assertEqual(summary, "{ length = 8, is8bit = 1, contents = 'r\\xe9sum\\xe9' }") |
| |
| def serial_test_WTFStringImpl_SummaryProvider_16bit_string(self): |
| summary = lldb_webkit.WTFStringImpl_SummaryProvider(self._sbFrame.FindVariable('a16BitStringImpl'), {}) |
| self.assertEqual(summary, u"{ length = 13, is8bit = 0, contents = '\\u1680Cappuccino\\u1680\\x00' }") |
| |
| # MARK: WTFString_SummaryProvider test cases |
| |
| def serial_test_WTFString_SummaryProvider_null_string(self): |
| summary = lldb_webkit.WTFString_SummaryProvider(self._sbFrame.FindVariable('aNullString'), {}) |
| self.assertEqual(summary, "{ length = 0, contents = '' }") |
| |
| def serial_test_WTFString_SummaryProvider_empty_string(self): |
| summary = lldb_webkit.WTFString_SummaryProvider(self._sbFrame.FindVariable('anEmptyString'), {}) |
| self.assertEqual(summary, "{ length = 0, contents = '' }") |
| |
| def serial_test_WTFString_SummaryProvider_8bit_string(self): |
| summary = lldb_webkit.WTFString_SummaryProvider(self._sbFrame.FindVariable('an8BitString'), {}) |
| self.assertEqual(summary, "{ length = 8, contents = 'r\\xe9sum\\xe9' }") |
| |
| def serial_test_WTFString_SummaryProvider_16bit_string(self): |
| summary = lldb_webkit.WTFString_SummaryProvider(self._sbFrame.FindVariable('a16BitString'), {}) |
| self.assertEqual(summary, u"{ length = 13, contents = '\\u1680Cappuccino\\u1680\\x00' }") |
| |
| # MARK: WTFVector_SummaryProvider test cases |
| |
| def serial_test_WTFVectorProvider_empty_vector(self): |
| variable = self._sbFrame.FindVariable('anEmptyVector'); |
| summary = lldb_webkit.WTFVector_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ size = 0, capacity = 0 }") |
| |
| def serial_test_WTFVectorProvider_vector_size_and_capacity(self): |
| variable = self._sbFrame.FindVariable('aVectorWithOneItem'); |
| summary = lldb_webkit.WTFVector_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ size = 1, capacity = 16 }") |
| |
| # MARK: WTFHashMap_SummaryProvider and WTFHashSet_SummaryProvider test cases |
| |
| def serial_test_WTFHashMap_tablesize_and_size(self): |
| variable = self._sbFrame.FindVariable('hashMapOfInts') |
| summary = lldb_webkit.WTFHashMap_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ tableSize = 8, keyCount = 2 }") |
| |
| def serial_test_WTFHashMap_of_vectors_tablesize_and_size(self): |
| variable = self._sbFrame.FindVariable('hashMapOfVectors') |
| summary = lldb_webkit.WTFHashMap_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ tableSize = 8, keyCount = 1 }") |
| |
| def serial_test_WTFHashSet_tablesize_and_size(self): |
| variable = self._sbFrame.FindVariable('hashSetOfInts') |
| summary = lldb_webkit.WTFHashSet_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ tableSize = 8, keyCount = 1 }") |
| |
| # MARK: WTFOptionSet_SummaryProvider test cases |
| |
| def serial_test_WTFOptionSet_SummaryProvider_empty(self): |
| variable = self._sbFrame.FindVariable('exampleFlagsEmpty') |
| summary = lldb_webkit.WTFOptionSet_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ size = 0 }") |
| |
| def serial_test_WTFOptionSet_SummaryProvider_simple(self): |
| variable = self._sbFrame.FindVariable('exampleFlagsSimple') |
| summary = lldb_webkit.WTFOptionSet_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ size = 3 }") |
| |
| # MARK: WTFOptionSetProvider test cases |
| |
| def serial_test_WTFOptionSetProvider_empty(self): |
| variable = self._sbFrame.FindVariable('exampleFlagsEmpty') |
| provider = lldb_webkit.WTFOptionSetProvider(variable, {}) |
| self.assertEqual(provider.get_child_at_index(0).GetName(), 'm_storage') |
| |
| def serial_test_WTFOptionSetProvider_simple(self): |
| variable = self._sbFrame.FindVariable('exampleFlagsSimple') |
| provider = lldb_webkit.WTFOptionSetProvider(variable, {}) |
| self.assertEqual(provider.get_child_at_index(0).GetName(), 'A') |
| self.assertEqual(provider.get_child_at_index(0).GetValue(), '1') |
| self.assertEqual(provider.get_child_at_index(1).GetName(), 'C') |
| self.assertEqual(provider.get_child_at_index(1).GetValue(), '4') |
| self.assertEqual(provider.get_child_at_index(2).GetName(), 'D') |
| self.assertEqual(provider.get_child_at_index(2).GetValue(), '8') |
| |
| def serial_test_WTFOptionSetProvider_aliased_flag(self): |
| variable = self._sbFrame.FindVariable('exampleFlagsAliasedFlag') |
| provider = lldb_webkit.WTFOptionSetProvider(variable, {}) |
| self.assertEqual(provider.get_child_at_index(0).GetName(), 'A') |
| self.assertEqual(provider.get_child_at_index(0).GetValue(), '1') |
| self.assertEqual(provider.get_child_at_index(1).GetName(), 'D') |
| self.assertEqual(provider.get_child_at_index(1).GetValue(), '8') |
| |
| # MARK: WTFCompactPointerTuple test cases |
| |
| def serial_test_WTFCompactPointerTuple_SummaryProvider_empty(self): |
| variable = self._sbFrame.FindVariable('exampleCompactPointerTupleEmpty') |
| summary = lldb_webkit.WTFCompactPointerTuple_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ type = 0 }") |
| |
| def serial_test_WTFCompactPointerTuple_SummaryProvider_simple(self): |
| variable = self._sbFrame.FindVariable('exampleCompactPointerTupleSimple') |
| summary = lldb_webkit.WTFCompactPointerTuple_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ type = 7 }") |
| |
| def serial_test_WTFCompactPointerTuple_SummaryProvider_max_type_value(self): |
| variable = self._sbFrame.FindVariable('exampleCompactPointerTupleMaxTypeValue') |
| summary = lldb_webkit.WTFCompactPointerTuple_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ type = 255 }") |
| |
| def serial_test_WTFCompactPointerTuple_SummaryProvider_bool(self): |
| variable = self._sbFrame.FindVariable('exampleCompactPointerTupleSimpleBool') |
| summary = lldb_webkit.WTFCompactPointerTuple_SummaryProvider(variable, {}) |
| self.assertEqual(summary, "{ type = true }") |
| |
| def serial_test_WTFCompactPointerTupleProvider_empty(self): |
| variable = self._sbFrame.FindVariable('exampleCompactPointerTupleEmpty') |
| provider = lldb_webkit.WTFCompactPointerTupleProvider(variable, {}) |
| self.assertEqual(provider.get_child_at_index(0).GetName(), '[0]') |
| self.assertEqual(provider.get_child_at_index(0).GetValueAsUnsigned(), 0) |
| self.assertEqual(provider.get_child_at_index(1).GetName(), '[1]') |
| self.assertEqual(provider.get_child_at_index(1).GetValueAsUnsigned(), 0) |
| |
| def serial_test_WTFCompactPointerTupleProvider_simple(self): |
| variable = self._sbFrame.FindVariable('exampleCompactPointerTupleSimple') |
| provider = lldb_webkit.WTFCompactPointerTupleProvider(variable, {}) |
| self.assertEqual(provider.get_child_at_index(0).GetName(), '[0]') |
| self.assertNotEqual(provider.get_child_at_index(0).GetValueAsUnsigned(), 0) |
| self.assertEqual(provider.get_child_at_index(1).GetName(), '[1]') |
| self.assertEqual(provider.get_child_at_index(1).GetValueAsUnsigned(), 7) |
| |
| def serial_test_WTFCompactPointerTupleProvider_max_type_value(self): |
| variable = self._sbFrame.FindVariable('exampleCompactPointerTupleMaxTypeValue') |
| provider = lldb_webkit.WTFCompactPointerTupleProvider(variable, {}) |
| self.assertEqual(provider.get_child_at_index(0).GetName(), '[0]') |
| self.assertNotEqual(provider.get_child_at_index(0).GetValueAsUnsigned(), 0) |
| self.assertEqual(provider.get_child_at_index(1).GetName(), '[1]') |
| self.assertEqual(provider.get_child_at_index(1).GetValueAsUnsigned(), 255) |
| |
| def serial_test_WTFCompactPointerTupleProvider_simple_bool(self): |
| variable = self._sbFrame.FindVariable('exampleCompactPointerTupleSimpleBool') |
| provider = lldb_webkit.WTFCompactPointerTupleProvider(variable, {}) |
| self.assertEqual(provider.get_child_at_index(0).GetName(), '[0]') |
| self.assertNotEqual(provider.get_child_at_index(0).GetValueAsUnsigned(), 0) |
| self.assertEqual(provider.get_child_at_index(1).GetName(), '[1]') |
| self.assertEqual(provider.get_child_at_index(1).GetValue(), 'true') |
