1 files changed, 120 insertions, 0 deletions
diff --git a/.config/qutebrowser/scripts/dev/segfault_test.py b/.config/qutebrowser/scripts/dev/segfault_test.py
new file mode 100755
index 0000000..aaf495f
--- /dev/null
+++ b/.config/qutebrowser/scripts/dev/segfault_test.py
@@ -0,0 +1,120 @@
+#!/usr/bin/env python3
+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2014-2018 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+"""Tester for Qt segfaults with different harfbuzz engines."""
+
+import os
+import os.path
+import signal
+import sys
+import subprocess
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), os.pardir,
+                                os.pardir))
+
+from scripts import utils
+
+
+SCRIPT = """
+import sys
+
+from PyQt5.QtCore import QUrl
+from PyQt5.QtWidgets import QApplication
+from PyQt5.QtWebKitWidgets import QWebView
+
+def on_load_finished(ok):
+    if ok:
+        app.exit(0)
+    else:
+        app.exit(1)
+
+app = QApplication([])
+wv = QWebView()
+wv.loadFinished.connect(on_load_finished)
+wv.load(QUrl(sys.argv[1]))
+#wv.show()
+app.exec_()
+"""
+
+
+def print_ret(ret):
+    """Print information about an exit status."""
+    if ret == 0:
+        utils.print_col("success", 'green')
+    elif ret == -signal.SIGSEGV:
+        utils.print_col("segfault", 'red')
+    else:
+        utils.print_col("error {}".format(ret), 'yellow')
+    print()
+
+
+def main():
+    retvals = []
+    if len(sys.argv) < 2:
+        # pages which previously caused problems
+        pages = [
+            # ANGLE, https://bugreports.qt.io/browse/QTBUG-39723
+            ('http://www.binpress.com/', False),
+            ('http://david.li/flow/', False),
+            ('https://imzdl.com/', False),
+            # not reproducible
+            # https://bugreports.qt.io/browse/QTBUG-39847
+            ('http://www.20min.ch/', True),
+            # HarfBuzz, https://bugreports.qt.io/browse/QTBUG-39278
+            ('http://www.the-compiler.org/', True),
+            ('http://phoronix.com', True),
+            ('http://twitter.com', True),
+            # HarfBuzz #2, https://bugreports.qt.io/browse/QTBUG-36099
+            ('http://lenta.ru/', True),
+            # Unknown, https://bugreports.qt.io/browse/QTBUG-41360
+            ('http://salt.readthedocs.org/en/latest/topics/pillar/', True),
+        ]
+    else:
+        pages = [(e, True) for e in sys.argv[1:]]
+    for page, test_harfbuzz in pages:
+        utils.print_bold("==== {} ====".format(page))
+        if test_harfbuzz:
+            print("With system harfbuzz:")
+        ret = subprocess.run([sys.executable, '-c', SCRIPT, page]).returncode
+        print_ret(ret)
+        retvals.append(ret)
+        if test_harfbuzz:
+            print("With QT_HARFBUZZ=old:")
+            env = dict(os.environ)
+            env['QT_HARFBUZZ'] = 'old'
+            ret = subprocess.run([sys.executable, '-c', SCRIPT, page],
+                                 env=env).returncode
+            print_ret(ret)
+            retvals.append(ret)
+            print("With QT_HARFBUZZ=new:")
+            env = dict(os.environ)
+            env['QT_HARFBUZZ'] = 'new'
+            ret = subprocess.run([sys.executable, '-c', SCRIPT, page],
+                                 env=env).returncode
+            print_ret(ret)
+            retvals.append(ret)
+    if all(r == 0 for r in retvals):
+        sys.exit(0)
+    else:
+        sys.exit(1)
+
+
+if __name__ == '__main__':
+    main()