Attachment 341714 Details for Bug 183744 – For EWS

[patch] For EWS

bug-183744-20180531172340.patch (text/plain), 44.44 KB, created by Daniel Bates on 2018-05-31 17:23:41 PDT

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Creator: Daniel Bates

Created: 2018-05-31 17:23:41 PDT

Size: 44.44 KB

patch

obsolete

>Subversion Revision: 232222
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index 8cada457a3a1ea1dba703b1b07d11feb712853ff..65457347aebf8dca8bc1daf0c63a54ecb330fdaf 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,79 @@
>+2018-05-31  Daniel Bates  <dabates@apple.com>
>+
>+        Add some tests for lldb_webkit.py
>+        https://bugs.webkit.org/show_bug.cgi?id=183744
>+
>+        Reviewed by Alexey Proskuryakov.
>+
>+        Adds some tests to ensure we do not regress LLDB pretty-printing of WTF::StringImpl
>+        and WTF::String objects.
>+
>+        The tests make use of the LLDB Python API (lldb.py) and a simple debug-built test
>+        program, lldbWebKitTester, to run. For now, we only support building lldbWebKitTester
>+        on Mac.
>+
>+        * Makefile: Build the simple test tool lldbWebKitTester on Mac.
>+        * Scripts/build-lldbwebkittester: Added.
>+        (buildProjectOrDie):
>+        * Scripts/dump-class-layout: Extract logic to compute the path to the LLDB Python module
>+        from here to Scripts/webkitpy/common/system/systemhost.py so that it can used by both
>+        this script and lldb/lldb_webkit_unittest.py. Also import the lldb module at the top of
>+        the file and take advantage of Python's default error semantics to throw an exception
>+        if the import fails instead of handling it ourself. This has the side effect that we
>+        now always import the LLDB Python module even if this script is invoked with --help.
>+        If this turns out to be a significant annoyance then we can look to dynamically import
>+        the module as we did before this change.
>+        (webkit_build_dir):
>+        (main):
>+        (developer_dir): Deleted.
>+        (import_lldb): Deleted.
>+        * Scripts/webkitpy/common/checkout/scm/scm_unittest.py: Update FIXME comment to reflect
>+        that fact that test-webkitpy does not support class and module fixtures. This is because
>+        test-webkitpy currently implements parallelism by breaking down existing test classes
>+        into individual test methods itself and having each worker run exactly one test method (via
>+        unittest.TestLoader.loadTestsFromName()) at a time. As a result of this reorganization,
>+        setUpModule()/setUpClass() are called for each test method as opposed to once per test
>+        class/test module.
>+        (remove_dir): Ditto.
>+        * Scripts/webkitpy/common/system/systemhost.py:
>+        (SystemHost):
>+        (SystemHost.path_to_lldb_python_directory): Added.
>+        * Scripts/webkitpy/test/main.py:
>+        (_find_lldb_webkit_tester): Returns whether there exists a Debug or Release-built lldbWebKitTester.
>+        (_build_lldb_webkit_tester): Builds lldbWebKitTester. For now, we only support building
>+        lldbWebKitTester on Mac.
>+        (main): Add Tools/lldb to the test search path if the platform has lldb.py.
>+        (Tester.run): Pass a boolean as to whether we will run the lldb_webkit unit tests.
>+        (Tester._run_tests): Modified to take a boolean as to whether to run the lldb_webkit unit tests.
>+        If we will run these tests then build lldbWebKitTester if it has not already been built as the
>+        unit tests depend on this program.
>+        * lldb/lldbWebKitTester/Configurations/Base.xcconfig: Added.
>+        * lldb/lldbWebKitTester/Configurations/DebugRelease.xcconfig: Added.
>+        * lldb/lldbWebKitTester/Configurations/lldbWebKitTester.xcconfig: Added.
>+        * lldb/lldbWebKitTester/Makefile: Added.
>+        * lldb/lldbWebKitTester/lldbWebKitTester.xcodeproj/project.pbxproj: Added.
>+        * lldb/lldbWebKitTester/main.cpp: Added.
>+        (breakForTestingSummaryProviders):
>+        (utf16String):
>+        (testSummaryProviders):
>+        (main):
>+        * lldb/lldb_webkit_unittest.py: Added.
>+        (destroy_cached_debug_session):
>+        (LLDBDebugSession):
>+        (LLDBDebugSession.setup):
>+        (LLDBDebugSession.tearDown):
>+        (TestSummaryProviders):
>+        (TestSummaryProviders.setUpClass):
>+        (TestSummaryProviders._sbFrame):
>+        (TestSummaryProviders.serial_test_WTFStringImpl_SummaryProvider_null_string):
>+        (TestSummaryProviders.serial_test_WTFStringImpl_SummaryProvider_empty_string):
>+        (TestSummaryProviders.serial_test_WTFStringImpl_SummaryProvider_8bit_string):
>+        (TestSummaryProviders.serial_test_WTFStringImpl_SummaryProvider_16bit_string):
>+        (TestSummaryProviders.serial_test_WTFString_SummaryProvider_null_string):
>+        (TestSummaryProviders.serial_test_WTFString_SummaryProvider_empty_string):
>+        (TestSummaryProviders.serial_test_WTFString_SummaryProvider_8bit_string):
>+        (TestSummaryProviders.serial_test_WTFString_SummaryProvider_16bit_string):
>+
> 2018-05-25  Aakash Jain  <aakash_jain@apple.com>
> 
>         Display detailed error logs when a script fails in EWS
>diff --git a/Tools/Makefile b/Tools/Makefile
>index 6a1f77ce63573e5fe891034768253730045b9243..ca07f1881bc91fe8e522d66e3df7b81f7580f44c 100644
>--- a/Tools/Makefile
>+++ b/Tools/Makefile
>@@ -2,7 +2,7 @@ MODULES = DumpRenderTree WebKitTestRunner MiniBrowser ../Source/ThirdParty/gtest
> 
> ifneq (,$(SDKROOT))
> 	ifeq (,$(findstring macosx,$(SDKROOT)))
>-		MODULES = DumpRenderTree WebKitTestRunner ../Source/ThirdParty/gtest/xcode TestWebKitAPI
>+		MODULES = DumpRenderTree WebKitTestRunner ../Source/ThirdParty/gtest/xcode TestWebKitAPI lldb/lldbWebKitTester
> 	endif
> 	ifneq (,$(findstring iphone,$(SDKROOT)))
> 		MODULES += MobileMiniBrowser
>diff --git a/Tools/Scripts/build-lldbwebkittester b/Tools/Scripts/build-lldbwebkittester
>new file mode 100755
>index 0000000000000000000000000000000000000000..79d9c6a6ec9500eb020e262707d2a315a58d165e
>--- /dev/null
>+++ b/Tools/Scripts/build-lldbwebkittester
>@@ -0,0 +1,76 @@
>+#!/usr/bin/env perl
>+
>+# Copyright (C) 2014-2018 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.
>+# 3.  Neither the name of Apple Inc. ("Apple") nor the names of
>+#     its contributors may be used to endorse or promote products derived
>+#     from this software without specific prior written permission.
>+#
>+# THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
>+
>+use strict;
>+use warnings;
>+use File::Basename;
>+use FindBin;
>+use Getopt::Long qw(:config pass_through);
>+use lib $FindBin::Bin;
>+use webkitdirs;
>+
>+sub buildProjectOrDie($$);
>+
>+my $showHelp;
>+my $clean = 0;
>+
>+my $programName = basename($0);
>+my $usage = <<EOF;
>+Usage: $programName [options] [options to pass to build system]
>+  --help        Show this help message
>+  --clean       Clean up the build directory
>+EOF
>+
>+my $result = GetOptions(
>+    "help" => \$showHelp,
>+    "clean" => \$clean,
>+);
>+
>+if ($showHelp || !$result) {
>+   print STDERR $usage;
>+   exit 1;
>+}
>+
>+checkRequiredSystemConfig();
>+setConfiguration();
>+chdirWebKit();
>+
>+my @xcodeOptions = XcodeOptions();
>+
>+buildProjectOrDie("Source/bmalloc", "bmalloc");
>+buildProjectOrDie("Source/WTF", "WTF");
>+buildProjectOrDie("Tools/lldb/lldbWebKitTester", "lldbWebKitTester");
>+
>+sub buildProjectOrDie($$)
>+{
>+    my ($path, $project) = @_;
>+    chdir($path) or die;
>+    $result = exitStatus(buildXCodeProject($project, $clean, @xcodeOptions, @ARGV));
>+    exit $result if $result;
>+    chdirWebKit();
>+}
>diff --git a/Tools/Scripts/dump-class-layout b/Tools/Scripts/dump-class-layout
>index d41864455836e3b0e2b06546b9bab62668586ec5..6f6eba42de8175362b2c21977916d874b5504cd5 100755
>--- a/Tools/Scripts/dump-class-layout
>+++ b/Tools/Scripts/dump-class-layout
>@@ -31,6 +31,9 @@ import os
> import subprocess
> from sets import Set
> 
>+from webkitpy.common.system.systemhost import SystemHost
>+sys.path.append(SystemHost().path_to_lldb_python_directory())
>+import lldb
> 
> framework = "WebCore"
> build_directory = ""
>@@ -41,21 +44,6 @@ def webkit_build_dir():
>     scriptpath = os.path.dirname(os.path.realpath(__file__))
>     return subprocess.check_output([os.path.join(scriptpath, "webkit-build-directory"), "--top-level"]).strip()
> 
>-def developer_dir():
>-    return subprocess.check_output(["xcode-select", "--print-path"])
>-
>-def import_lldb():
>-    xcode_contents_path = os.path.split(developer_dir())[0]
>-    lldb_framework_path = os.path.join(xcode_contents_path, "SharedFrameworks", "LLDB.framework", "Resources", "Python")
>-    sys.path.append(lldb_framework_path)
>-
>-    LLDB_MODULE_NAME = "lldb"
>-    try:
>-        globals()[LLDB_MODULE_NAME] = __import__(LLDB_MODULE_NAME)
>-    except ImportError:
>-        print "Failed to import {} from {}".format(LLDB_MODULE_NAME, lldb_framework_path)
>-        sys.exit(1)
>-
> def verify_type(target, type):
>     typename = type.GetName()
>     seenOffset = Set()
>@@ -196,7 +184,6 @@ def main():
>         build_dir = args.build_directory
> 
>     target_path = os.path.join(build_dir, args.config, args.framework + ".framework", args.framework);
>-    import_lldb()
>     dump_class(target_path, args.classname, args.arch)
> 
> if __name__ == "__main__":
>diff --git a/Tools/Scripts/webkitpy/common/checkout/scm/scm_unittest.py b/Tools/Scripts/webkitpy/common/checkout/scm/scm_unittest.py
>index 8921ca982864b741949b2664598810e7eb43300f..22eb7ce4a458cf072be7d301df25472884e83bbc 100644
>--- a/Tools/Scripts/webkitpy/common/checkout/scm/scm_unittest.py
>+++ b/Tools/Scripts/webkitpy/common/checkout/scm/scm_unittest.py
>@@ -60,7 +60,8 @@ from .svn import SVN
> 
> # We cache the mock SVN repo so that we don't create it again for each call to an SVNTest or GitTest test_ method.
> # We store it in a global variable so that we can delete this cached repo on exit(3).
>-# FIXME: Remove this once we migrate to Python 2.7. Unittest in Python 2.7 supports module-specific setup and teardown functions.
>+# FIXME: Remove this once test-webkitpy supports class and module fixtures (i.e. setUpClass()/setUpModule()
>+# are called exactly once per class/module).
> cached_svn_repo_path = None
> 
> 
>@@ -70,7 +71,8 @@ def remove_dir(path):
>     shutil.rmtree(path)
> 
> 
>-# FIXME: Remove this once we migrate to Python 2.7. Unittest in Python 2.7 supports module-specific setup and teardown functions.
>+# 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 delete_cached_mock_repo_at_exit():
>     if cached_svn_repo_path:
>diff --git a/Tools/Scripts/webkitpy/common/system/systemhost.py b/Tools/Scripts/webkitpy/common/system/systemhost.py
>index a15342201d833414731ebd0f76f7179a6f0bd6e3..1ca2928449824c2f0fc1f30cae5ee121a834b3d9 100644
>--- a/Tools/Scripts/webkitpy/common/system/systemhost.py
>+++ b/Tools/Scripts/webkitpy/common/system/systemhost.py
>@@ -47,3 +47,8 @@ class SystemHost(object):
> 
>     def symbolicate_crash_log_if_needed(self, path):
>         return self.filesystem.read_text_file(path)
>+
>+    def path_to_lldb_python_directory(self):
>+        if not self.platform.is_mac():
>+            return ''
>+        return self.executive.run_command(['xcrun', 'lldb', '--python-path'], return_stderr=False).rstrip()
>diff --git a/Tools/Scripts/webkitpy/test/main.py b/Tools/Scripts/webkitpy/test/main.py
>index 5facaa546dee9658bac9848ea02e1fc482a0f2ef..22bf915aca79d3a6aaf7fa98319fc7c4d67e0df4 100644
>--- a/Tools/Scripts/webkitpy/test/main.py
>+++ b/Tools/Scripts/webkitpy/test/main.py
>@@ -1,5 +1,6 @@
> # Copyright (C) 2012 Google, Inc.
> # Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
>+# 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
>@@ -37,26 +38,68 @@ import traceback
> import unittest
> 
> from webkitpy.common.system.logutils import configure_logging
>+from webkitpy.common.system.executive import Executive, ScriptError
> from webkitpy.common.system.filesystem import FileSystem
>+from webkitpy.common.system.systemhost import SystemHost
>+from webkitpy.port.config import Config
> from webkitpy.test.finder import Finder
> from webkitpy.test.printer import Printer
> from webkitpy.test.runner import Runner, unit_test_name
> 
> _log = logging.getLogger(__name__)
> 
>+_host = SystemHost()
>+_webkit_root = None
>+
>+
>+def _find_lldb_webkit_tester():
>+    config = Config(_host.executive, _host.filesystem)
>+    lldb_webkit_tester_executable = os.path.join(config.build_directory(config.default_configuration()), 'lldbWebKitTester')
>+    return os.path.isfile(lldb_webkit_tester_executable) and os.access(lldb_webkit_tester_executable, os.X_OK)
>+
>+
>+def _build_lldb_webkit_tester():
>+    if not _host.platform.is_mac():
>+        _log.error('lldbWebKitTester is not supported on this platform.')
>+        return False
>+    config = Config(_host.executive, _host.filesystem)
>+    build_lldbwebkittester = os.path.join(_webkit_root, 'Tools', 'Scripts', 'build-lldbwebkittester')
>+    try:
>+        _host.executive.run_and_throw_if_fail([build_lldbwebkittester, config.flag_for_configuration(config.default_configuration())])
>+        return True
>+    except ScriptError as e:
>+        print >> sys.stderr, 'ScriptError: {}'.format(e)
>+        print >> sys.stderr, e.message_with_output()
>+        return False
>+    except Exception as e:
>+        print >> sys.stderr, str(e)
>+        return False
>+    return False
>+
> 
> def main():
>+    global _webkit_root
>     configure_logging(logger=_log)
> 
>     up = os.path.dirname
>-    webkit_root = up(up(up(up(up(os.path.abspath(__file__))))))
>+    _webkit_root = up(up(up(up(up(os.path.abspath(__file__))))))
> 
>     tester = Tester()
>-    tester.add_tree(os.path.join(webkit_root, 'Tools', 'Scripts'), 'webkitpy')
>+    tester.add_tree(os.path.join(_webkit_root, 'Tools', 'Scripts'), 'webkitpy')
> 
>     # There is no WebKit2 on Windows, so we don't need to run WebKit2 unittests on it.
>     if not (sys.platform.startswith('win') or sys.platform == 'cygwin'):
>-        tester.add_tree(os.path.join(webkit_root, 'Source', 'WebKit', 'Scripts'), 'webkit')
>+        tester.add_tree(os.path.join(_webkit_root, 'Source', 'WebKit', 'Scripts'), 'webkit')
>+
>+    lldb_python_directory = _host.path_to_lldb_python_directory()
>+    if os.path.isdir(lldb_python_directory):
>+        if lldb_python_directory not in sys.path:
>+            sys.path.append(lldb_python_directory)
>+        tester.add_tree(os.path.join(_webkit_root, 'Tools', 'lldb'))
>+        will_run_lldb_webkit_tests = True
>+    else:
>+        _log.info("Skipping lldb_webkit tests; could not find path to lldb.py '{}'.".format(lldb_python_directory))
>+        will_run_lldb_webkit_tests = False
> 
>     tester.skip(('webkitpy.common.checkout.scm.scm_unittest',), 'are really, really, slow', 31818)
>     if sys.platform.startswith('win'):
>@@ -71,11 +114,11 @@ def main():
>         from google.appengine.dist import use_library
>         use_library('django', '1.2')
>         dev_appserver.fix_sys_path()
>-        tester.add_tree(os.path.join(webkit_root, 'Tools', 'QueueStatusServer'))
>+        tester.add_tree(os.path.join(_webkit_root, 'Tools', 'QueueStatusServer'))
>     else:
>         _log.info('Skipping QueueStatusServer tests; the Google AppEngine Python SDK is not installed.')
> 
>-    return not tester.run()
>+    return not tester.run(will_run_lldb_webkit_tests=will_run_lldb_webkit_tests)
> 
> 
> def _print_results_as_json(stream, all_test_names, failures, errors):
>@@ -131,7 +174,7 @@ class Tester(object):
> 
>         return parser.parse_args(argv)
> 
>-    def run(self):
>+    def run(self, will_run_lldb_webkit_tests=False):
>         self._options, args = self._parse_args()
>         self.printer.configure(self._options)
> 
>@@ -142,9 +185,9 @@ class Tester(object):
>             _log.error('No tests to run')
>             return False
> 
>-        return self._run_tests(names)
>+        return self._run_tests(names, will_run_lldb_webkit_tests)
> 
>-    def _run_tests(self, names):
>+    def _run_tests(self, names, will_run_lldb_webkit_tests):
>         # Make sure PYTHONPATH is set up properly.
>         sys.path = self.finder.additional_paths(sys.path) + sys.path
> 
>@@ -154,6 +197,14 @@ class Tester(object):
>         from webkitpy.thirdparty import autoinstall_everything
>         autoinstall_everything()
> 
>+        if will_run_lldb_webkit_tests:
>+            self.printer.write_update("Checking lldbWebKitTester ...")
>+            if not _find_lldb_webkit_tester():
>+                self.printer.write_update("Building lldbWebKitTester ...")
>+                if not _build_lldb_webkit_tester():
>+                    _log.error('Failed to build lldbWebKitTester.')
>+                    return False
>+
>         if self._options.coverage:
>             _log.warning("Checking code coverage, so running things serially")
>             self._options.child_processes = 1
>diff --git a/Tools/lldb/lldbWebKitTester/Configurations/Base.xcconfig b/Tools/lldb/lldbWebKitTester/Configurations/Base.xcconfig
>new file mode 100644
>index 0000000000000000000000000000000000000000..c5648fa751a30e9a09a3a57f6eff96ee106727f7
>--- /dev/null
>+++ b/Tools/lldb/lldbWebKitTester/Configurations/Base.xcconfig
>@@ -0,0 +1,109 @@
>+// Copyright (C) 2015-2018 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. ``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
>+// 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.
>+
>+#include? "../../../../../Internal/Configurations/HaveInternalSDK.xcconfig"
>+
>+USE_INTERNAL_SDK = $(USE_INTERNAL_SDK_$(CONFIGURATION));
>+USE_INTERNAL_SDK_Production = YES;
>+USE_INTERNAL_SDK_Debug = $(HAVE_INTERNAL_SDK);
>+USE_INTERNAL_SDK_Release = $(HAVE_INTERNAL_SDK);
>+
>+ALWAYS_SEARCH_USER_PATHS = NO;
>+
>+CLANG_CXX_LANGUAGE_STANDARD = gnu++14;
>+CLANG_CXX_LIBRARY = libc++;
>+CLANG_ENABLE_OBJC_WEAK = YES;
>+CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
>+CLANG_WARN_BOOL_CONVERSION = YES;
>+CLANG_WARN_CONSTANT_CONVERSION = YES;
>+CLANG_WARN_CXX0X_EXTENSIONS = NO;
>+CLANG_WARN_EMPTY_BODY = YES;
>+CLANG_WARN_ENUM_CONVERSION = YES;
>+CLANG_WARN_INFINITE_RECURSION = YES;
>+CLANG_WARN_INT_CONVERSION = YES;
>+CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
>+CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
>+CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
>+CLANG_WARN_STRICT_PROTOTYPES = YES;
>+CLANG_WARN_SUSPICIOUS_MOVE = YES;
>+CLANG_WARN_UNREACHABLE_CODE = NO;
>+CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
>+GCC_WARN_UNDECLARED_SELECTOR = YES;
>+COMBINE_HIDPI_IMAGES = NO;
>+DEBUG_INFORMATION_FORMAT = dwarf-with-dsym;
>+ENABLE_STRICT_OBJC_MSGSEND = YES;
>+GCC_C_LANGUAGE_STANDARD = gnu99;
>+GCC_DEBUGGING_SYMBOLS = default;
>+GCC_DYNAMIC_NO_PIC = NO;
>+GCC_ENABLE_CPP_EXCEPTIONS = NO;
>+GCC_ENABLE_CPP_RTTI = NO;
>+GCC_ENABLE_OBJC_EXCEPTIONS = YES;
>+GCC_ENABLE_SYMBOL_SEPARATION = NO;
>+GCC_FAST_OBJC_DISPATCH = YES;
>+GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
>+GCC_NO_COMMON_BLOCKS = YES;
>+GCC_OBJC_CALL_CXX_CDTORS = YES;
>+GCC_PRECOMPILE_PREFIX_HEADER = YES;
>+GCC_PREPROCESSOR_DEFINITIONS = $(DEBUG_DEFINES) $(inherited);
>+GCC_STRICT_ALIASING = YES;
>+GCC_SYMBOLS_PRIVATE_EXTERN = NO;
>+GCC_THREADSAFE_STATICS = NO;
>+GCC_TREAT_WARNINGS_AS_ERRORS = YES;
>+GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
>+GCC_WARN_64_TO_32_BIT_CONVERSION = NO;
>+GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS = NO;
>+GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
>+GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
>+GCC_WARN_ABOUT_RETURN_TYPE = YES;
>+GCC_WARN_NON_VIRTUAL_DESTRUCTOR = YES;
>+GCC_WARN_SIGN_COMPARE = YES;
>+GCC_WARN_UNDECLARED_SELECTOR = YES;
>+GCC_WARN_UNINITIALIZED_AUTOS = YES;
>+GCC_WARN_UNUSED_FUNCTION = YES;
>+GCC_WARN_UNUSED_VARIABLE = NO;
>+WARNING_CFLAGS = -Wcast-qual -Wchar-subscripts -Wextra-tokens -Wformat=2 -Winit-self -Wmissing-format-attribute -Wmissing-noreturn -Wpacked -Wpointer-arith -Wredundant-decls -Wundef -Wwrite-strings -Wexit-time-destructors -Wglobal-constructors -Wtautological-compare -Wimplicit-fallthrough;
>+
>+HEADER_SEARCH_PATHS = ${BUILT_PRODUCTS_DIR}/usr/local/include;
>+
>+TARGET_MAC_OS_X_VERSION_MAJOR = $(TARGET_MAC_OS_X_VERSION_MAJOR$(MACOSX_DEPLOYMENT_TARGET:suffix:identifier));
>+TARGET_MAC_OS_X_VERSION_MAJOR_11 = 101100;
>+TARGET_MAC_OS_X_VERSION_MAJOR_12 = 101200;
>+TARGET_MAC_OS_X_VERSION_MAJOR_13 = 101300;
>+TARGET_MAC_OS_X_VERSION_MAJOR_14 = 101400;
>+TARGET_MAC_OS_X_VERSION_MAJOR_15 = 101500;
>+
>+SUPPORTED_PLATFORMS = macosx;
>+
>+DEBUG_DEFINES_debug = ;
>+DEBUG_DEFINES_normal = NDEBUG;
>+DEBUG_DEFINES = $(DEBUG_DEFINES_$(CURRENT_VARIANT));
>+
>+GCC_OPTIMIZATION_LEVEL = 0;
>+DEAD_CODE_STRIPPING = NO;
>+STRIP_INSTALLED_PRODUCT = NO;
>+
>+SDKROOT = macosx.internal;
>+
>+OTHER_CFLAGS = $(ASAN_OTHER_CFLAGS);
>+OTHER_CPLUSPLUSFLAGS = $(ASAN_OTHER_CPLUSPLUSFLAGS);
>+OTHER_LDFLAGS = $(ASAN_OTHER_LDFLAGS);
>diff --git a/Tools/lldb/lldbWebKitTester/Configurations/DebugRelease.xcconfig b/Tools/lldb/lldbWebKitTester/Configurations/DebugRelease.xcconfig
>new file mode 100644
>index 0000000000000000000000000000000000000000..8c4f71700ee4a43e5aa60edc6902b886c949fef0
>--- /dev/null
>+++ b/Tools/lldb/lldbWebKitTester/Configurations/DebugRelease.xcconfig
>@@ -0,0 +1,45 @@
>+// Copyright (C) 2015-2018 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. ``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
>+// 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.
>+
>+#include "Base.xcconfig"
>+
>+ONLY_ACTIVE_ARCH = YES;
>+
>+TARGET_MAC_OS_X_VERSION_MAJOR = $(MAC_OS_X_VERSION_MAJOR);
>+
>+MACOSX_DEPLOYMENT_TARGET = $(MACOSX_DEPLOYMENT_TARGET_$(PLATFORM_NAME)_$(TARGET_MAC_OS_X_VERSION_MAJOR));
>+MACOSX_DEPLOYMENT_TARGET_macosx_101100 = 10.11;
>+MACOSX_DEPLOYMENT_TARGET_macosx_101200 = 10.12;
>+MACOSX_DEPLOYMENT_TARGET_macosx_101300 = 10.13;
>+MACOSX_DEPLOYMENT_TARGET_macosx_101400 = 10.14;
>+MACOSX_DEPLOYMENT_TARGET_macosx_101500 = 10.15;
>+
>+GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS = YES;
>+DEBUG_INFORMATION_FORMAT = dwarf;
>+
>+SDKROOT = $(SDKROOT_$(USE_INTERNAL_SDK));
>+SDKROOT_ = macosx;
>+SDKROOT_YES = macosx.internal;
>+
>+WK_CCACHE_DIR = $(SRCROOT)/../../../Tools/ccache;
>+#include "../../../ccache/ccache.xcconfig"
>diff --git a/Tools/lldb/lldbWebKitTester/Configurations/lldbWebKitTester.xcconfig b/Tools/lldb/lldbWebKitTester/Configurations/lldbWebKitTester.xcconfig
>new file mode 100644
>index 0000000000000000000000000000000000000000..a32e60865cc905d26e7e08e878426ad6ae281486
>--- /dev/null
>+++ b/Tools/lldb/lldbWebKitTester/Configurations/lldbWebKitTester.xcconfig
>@@ -0,0 +1,26 @@
>+// Copyright (C) 2015-2018 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. ``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
>+// 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.
>+
>+PRODUCT_NAME = $(TARGET_NAME);
>+
>+OTHER_LDFLAGS[sdk=macosx*] = $(inherited) -framework Cocoa -force_load "$(BUILT_PRODUCTS_DIR)/libWTF.a";
>diff --git a/Tools/lldb/lldbWebKitTester/Makefile b/Tools/lldb/lldbWebKitTester/Makefile
>new file mode 100644
>index 0000000000000000000000000000000000000000..058c21e1ba387a8ba4fc43f1444c380eec79ede9
>--- /dev/null
>+++ b/Tools/lldb/lldbWebKitTester/Makefile
>@@ -0,0 +1,2 @@
>+SCRIPTS_PATH = ../../Scripts
>+include ../../../Makefile.shared
>diff --git a/Tools/lldb/lldbWebKitTester/lldbWebKitTester.xcodeproj/project.pbxproj b/Tools/lldb/lldbWebKitTester/lldbWebKitTester.xcodeproj/project.pbxproj
>new file mode 100644
>index 0000000000000000000000000000000000000000..c52a15e128337b0b6e4839509054ac3da7316217
>--- /dev/null
>+++ b/Tools/lldb/lldbWebKitTester/lldbWebKitTester.xcodeproj/project.pbxproj
>@@ -0,0 +1,205 @@
>+// !$*UTF8*$!
>+{
>+	archiveVersion = 1;
>+	classes = {
>+	};
>+	objectVersion = 46;
>+	objects = {
>+
>+/* Begin PBXBuildFile section */
>+		7CB6844B1AFA7978002B305C /* main.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 7CB6844A1AFA7978002B305C /* main.cpp */; };
>+		CE6C3AFF20C0B17B003E33D8 /* libWTF.a in Frameworks */ = {isa = PBXBuildFile; fileRef = CE6C3AFE20C0B17B003E33D8 /* libWTF.a */; };
>+		CE6C3B0120C0C444003E33D8 /* libicucore.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = CE6C3B0020C0C443003E33D8 /* libicucore.dylib */; };
>+/* End PBXBuildFile section */
>+
>+/* Begin PBXCopyFilesBuildPhase section */
>+		7C4AB39F1AF0276C003FC8D1 /* CopyFiles */ = {
>+			isa = PBXCopyFilesBuildPhase;
>+			buildActionMask = 2147483647;
>+			dstPath = /usr/share/man/man1/;
>+			dstSubfolderSpec = 0;
>+			files = (
>+			);
>+			runOnlyForDeploymentPostprocessing = 1;
>+		};
>+/* End PBXCopyFilesBuildPhase section */
>+
>+/* Begin PBXFileReference section */
>+		7C2227511AFC4D9C008C3338 /* Base.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Base.xcconfig; sourceTree = "<group>"; };
>+		7C2227521AFC4D9C008C3338 /* lldbWebKitTester.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = lldbWebKitTester.xcconfig; sourceTree = "<group>"; };
>+		7C2227531AFC4D9C008C3338 /* DebugRelease.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = DebugRelease.xcconfig; sourceTree = "<group>"; };
>+		7C4AB3A11AF0276C003FC8D1 /* lldbWebKitTester */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = lldbWebKitTester; sourceTree = BUILT_PRODUCTS_DIR; };
>+		7CB6844A1AFA7978002B305C /* main.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = main.cpp; sourceTree = SOURCE_ROOT; };
>+		CE6C3AFE20C0B17B003E33D8 /* libWTF.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; path = libWTF.a; sourceTree = "<group>"; };
>+		CE6C3B0020C0C443003E33D8 /* libicucore.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libicucore.dylib; path = usr/lib/libicucore.dylib; sourceTree = SDKROOT; };
>+/* End PBXFileReference section */
>+
>+/* Begin PBXFrameworksBuildPhase section */
>+		7C4AB39E1AF0276C003FC8D1 /* Frameworks */ = {
>+			isa = PBXFrameworksBuildPhase;
>+			buildActionMask = 2147483647;
>+			files = (
>+				CE6C3B0120C0C444003E33D8 /* libicucore.dylib in Frameworks */,
>+				CE6C3AFF20C0B17B003E33D8 /* libWTF.a in Frameworks */,
>+			);
>+			runOnlyForDeploymentPostprocessing = 0;
>+		};
>+/* End PBXFrameworksBuildPhase section */
>+
>+/* Begin PBXGroup section */
>+		7C2227501AFC4D0A008C3338 /* Configurations */ = {
>+			isa = PBXGroup;
>+			children = (
>+				7C2227511AFC4D9C008C3338 /* Base.xcconfig */,
>+				7C2227531AFC4D9C008C3338 /* DebugRelease.xcconfig */,
>+				7C2227521AFC4D9C008C3338 /* lldbWebKitTester.xcconfig */,
>+			);
>+			path = Configurations;
>+			sourceTree = "<group>";
>+		};
>+		7C4AB3981AF0276C003FC8D1 = {
>+			isa = PBXGroup;
>+			children = (
>+				7C2227501AFC4D0A008C3338 /* Configurations */,
>+				CE3F4425205C6A01007195B3 /* Frameworks */,
>+				CE3F4424205C66D9007195B3 /* lldbWebKitTester */,
>+				7C4AB3A21AF0276C003FC8D1 /* Products */,
>+			);
>+			sourceTree = "<group>";
>+		};
>+		7C4AB3A21AF0276C003FC8D1 /* Products */ = {
>+			isa = PBXGroup;
>+			children = (
>+				7C4AB3A11AF0276C003FC8D1 /* lldbWebKitTester */,
>+			);
>+			name = Products;
>+			sourceTree = "<group>";
>+		};
>+		CE3F4424205C66D9007195B3 /* lldbWebKitTester */ = {
>+			isa = PBXGroup;
>+			children = (
>+				7CB6844A1AFA7978002B305C /* main.cpp */,
>+			);
>+			name = lldbWebKitTester;
>+			sourceTree = "<group>";
>+		};
>+		CE3F4425205C6A01007195B3 /* Frameworks */ = {
>+			isa = PBXGroup;
>+			children = (
>+				CE6C3B0020C0C443003E33D8 /* libicucore.dylib */,
>+				CE6C3AFE20C0B17B003E33D8 /* libWTF.a */,
>+			);
>+			name = Frameworks;
>+			sourceTree = "<group>";
>+		};
>+/* End PBXGroup section */
>+
>+/* Begin PBXNativeTarget section */
>+		7C4AB3A01AF0276C003FC8D1 /* lldbWebKitTester */ = {
>+			isa = PBXNativeTarget;
>+			buildConfigurationList = 7C4AB3A81AF0276C003FC8D1 /* Build configuration list for PBXNativeTarget "lldbWebKitTester" */;
>+			buildPhases = (
>+				7C4AB39D1AF0276C003FC8D1 /* Sources */,
>+				7C4AB39E1AF0276C003FC8D1 /* Frameworks */,
>+				7C4AB39F1AF0276C003FC8D1 /* CopyFiles */,
>+			);
>+			buildRules = (
>+			);
>+			dependencies = (
>+			);
>+			name = lldbWebKitTester;
>+			productName = lldbWebKitTester;
>+			productReference = 7C4AB3A11AF0276C003FC8D1 /* lldbWebKitTester */;
>+			productType = "com.apple.product-type.tool";
>+		};
>+/* End PBXNativeTarget section */
>+
>+/* Begin PBXProject section */
>+		7C4AB3991AF0276C003FC8D1 /* Project object */ = {
>+			isa = PBXProject;
>+			attributes = {
>+				LastUpgradeCheck = 0700;
>+			};
>+			buildConfigurationList = 7C4AB39C1AF0276C003FC8D1 /* Build configuration list for PBXProject "lldbWebKitTester" */;
>+			compatibilityVersion = "Xcode 3.2";
>+			developmentRegion = English;
>+			hasScannedForEncodings = 0;
>+			knownRegions = (
>+				en,
>+			);
>+			mainGroup = 7C4AB3981AF0276C003FC8D1;
>+			productRefGroup = 7C4AB3A21AF0276C003FC8D1 /* Products */;
>+			projectDirPath = "";
>+			projectRoot = "";
>+			targets = (
>+				7C4AB3A01AF0276C003FC8D1 /* lldbWebKitTester */,
>+			);
>+		};
>+/* End PBXProject section */
>+
>+/* Begin PBXSourcesBuildPhase section */
>+		7C4AB39D1AF0276C003FC8D1 /* Sources */ = {
>+			isa = PBXSourcesBuildPhase;
>+			buildActionMask = 2147483647;
>+			files = (
>+				7CB6844B1AFA7978002B305C /* main.cpp in Sources */,
>+			);
>+			runOnlyForDeploymentPostprocessing = 0;
>+		};
>+/* End PBXSourcesBuildPhase section */
>+
>+/* Begin XCBuildConfiguration section */
>+		7C4AB3A61AF0276C003FC8D1 /* Debug */ = {
>+			isa = XCBuildConfiguration;
>+			baseConfigurationReference = 7C2227531AFC4D9C008C3338 /* DebugRelease.xcconfig */;
>+			buildSettings = {
>+				DEBUG_DEFINES = "$(DEBUG_DEFINES_debug)";
>+			};
>+			name = Debug;
>+		};
>+		7C4AB3A71AF0276C003FC8D1 /* Release */ = {
>+			isa = XCBuildConfiguration;
>+			baseConfigurationReference = 7C2227531AFC4D9C008C3338 /* DebugRelease.xcconfig */;
>+			buildSettings = {
>+			};
>+			name = Release;
>+		};
>+		7C4AB3A91AF0276C003FC8D1 /* Debug */ = {
>+			isa = XCBuildConfiguration;
>+			baseConfigurationReference = 7C2227521AFC4D9C008C3338 /* lldbWebKitTester.xcconfig */;
>+			buildSettings = {
>+			};
>+			name = Debug;
>+		};
>+		7C4AB3AA1AF0276C003FC8D1 /* Release */ = {
>+			isa = XCBuildConfiguration;
>+			baseConfigurationReference = 7C2227521AFC4D9C008C3338 /* lldbWebKitTester.xcconfig */;
>+			buildSettings = {
>+			};
>+			name = Release;
>+		};
>+/* End XCBuildConfiguration section */
>+
>+/* Begin XCConfigurationList section */
>+		7C4AB39C1AF0276C003FC8D1 /* Build configuration list for PBXProject "lldbWebKitTester" */ = {
>+			isa = XCConfigurationList;
>+			buildConfigurations = (
>+				7C4AB3A61AF0276C003FC8D1 /* Debug */,
>+				7C4AB3A71AF0276C003FC8D1 /* Release */,
>+			);
>+			defaultConfigurationIsVisible = 0;
>+			defaultConfigurationName = Release;
>+		};
>+		7C4AB3A81AF0276C003FC8D1 /* Build configuration list for PBXNativeTarget "lldbWebKitTester" */ = {
>+			isa = XCConfigurationList;
>+			buildConfigurations = (
>+				7C4AB3A91AF0276C003FC8D1 /* Debug */,
>+				7C4AB3AA1AF0276C003FC8D1 /* Release */,
>+			);
>+			defaultConfigurationIsVisible = 0;
>+			defaultConfigurationName = Release;
>+		};
>+/* End XCConfigurationList section */
>+	};
>+	rootObject = 7C4AB3991AF0276C003FC8D1 /* Project object */;
>+}
>diff --git a/Tools/lldb/lldbWebKitTester/main.cpp b/Tools/lldb/lldbWebKitTester/main.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..5af82fe58a8bfe09686fc33dab6fb46b714c2900
>--- /dev/null
>+++ b/Tools/lldb/lldbWebKitTester/main.cpp
>@@ -0,0 +1,65 @@
>+/*
>+ * 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.
>+ */
>+
>+#include <stdio.h>
>+#include <wtf/text/StringBuilder.h>
>+#include <wtf/text/WTFString.h>
>+
>+extern void breakForTestingSummaryProviders();
>+void breakForTestingSummaryProviders() { return; }
>+
>+template<size_t length>
>+static String utf16String(const char16_t (&string)[length])
>+{
>+    StringBuilder builder;
>+    builder.reserveCapacity(length - 1);
>+    for (auto c : string)
>+        builder.append(static_cast<UChar>(c));
>+    return builder.toString();
>+}
>+
>+static void testSummaryProviders()
>+{
>+    String aNullString { "" };
>+    StringImpl* aNullStringImpl = aNullString.impl();
>+
>+    String anEmptyString { "" };
>+    StringImpl* anEmptyStringImpl = anEmptyString.impl();
>+
>+    String an8BitString { "rÃ©sumÃ©" };
>+    StringImpl* an8BitStringImpl = an8BitString.impl();
>+
>+    String a16BitString = utf16String(u"\u1680Cappuccino\u1680");
>+    StringImpl* a16BitStringImpl = a16BitString.impl();
>+
>+    breakForTestingSummaryProviders();
>+}
>+
>+int main(int argc, const char* argv[])
>+{
>+    testSummaryProviders();
>+    fprintf(stderr, "This executable does nothing and is only meant for debugging lldb_webkit.py.\n");
>+    return 0;
>+}
>diff --git a/Tools/lldb/lldb_webkit_unittest.py b/Tools/lldb/lldb_webkit_unittest.py
>new file mode 100755
>index 0000000000000000000000000000000000000000..cc67f7f88493a1ebed2deb5e2654d558cdc5ec22
>--- /dev/null
>+++ b/Tools/lldb/lldb_webkit_unittest.py
>@@ -0,0 +1,142 @@
>+#!/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
>+from webkitpy.port.config import Config
>+
>+
>+# 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):
>+        LLDB_WEBKIT_TESTER_NAME = 'lldbWebKitTester'
>+        BREAK_FOR_TESTING_FUNCTION_NAME = 'breakForTestingSummaryProviders'
>+
>+        cls.sbDebugger = lldb.SBDebugger.Create()
>+        cls.sbDebugger.SetAsync(False)
>+
>+        # FIXME: Find a built lldbWebKitTester without hardcoding build configurations.
>+        host = SystemHost()
>+        config = Config(host.executive, host.filesystem)
>+        cls.lldbWebKitTesterExecutable = host.filesystem.join(config.build_directory('Debug'), LLDB_WEBKIT_TESTER_NAME)
>+        if not os.path.isfile(cls.lldbWebKitTesterExecutable) or not os.access(cls.lldbWebKitTesterExecutable, os.X_OK):
>+            cls.lldbWebKitTesterExecutable = host.filesystem.join(config.build_directory('Release'), LLDB_WEBKIT_TESTER_NAME)
>+
>+        cls.sbTarget = cls.sbDebugger.CreateTarget(str(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 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' }")

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Attachments on bug 183744: 336054 | 336055 | 336057 | 340870 | 340913 | 341110 | 341210 | 341388 | 341691 | 341712 | 341714 | 341716 | 341731 | 341733 | 341791 | 341794 | 343791