1 files changed, 172 insertions, 0 deletions
diff --git a/deps/v8/build/android/stacktrace/java_deobfuscate_test.py b/deps/v8/build/android/stacktrace/java_deobfuscate_test.py
new file mode 100755
index 0000000000..98b66dd02e
--- /dev/null
+++ b/deps/v8/build/android/stacktrace/java_deobfuscate_test.py
@@ -0,0 +1,172 @@
+#!/usr/bin/env python
+#
+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+"""Tests for java_deobfuscate."""
+
+import argparse
+import os
+import subprocess
+import sys
+import tempfile
+import unittest
+
+# Set by command-line argument.
+_JAVA_DEOBFUSCATE_PATH = None
+
+LINE_PREFIXES = [
+    '',
+    # logcat -v threadtime
+    '09-08 14:38:35.535 18029 18084 E qcom_sensors_hal: ',
+    # logcat
+    'W/GCM     (15158): ',
+    'W/GCM     (  158): ',
+]
+
+TEST_MAP = """\
+this.was.Deobfuscated -> FOO:
+    int[] mFontFamily -> a
+    1:3:void someMethod(int,android.os.Bundle):65:67 -> bar
+never.Deobfuscated -> NOTFOO:
+    int[] mFontFamily -> a
+    1:3:void someMethod(int,android.os.Bundle):65:67 -> bar
+"""
+
+TEST_DATA = [
+    '',
+    'FOO',
+    'FOO.bar',
+    'Here is a FOO',
+    'Here is a class FOO',
+    'Here is a class FOO baz',
+    'Here is a "FOO" baz',
+    'Here is a type "FOO" baz',
+    'Here is a "FOO.bar" baz',
+    'SomeError: SomeFrameworkClass in isTestClass for FOO',
+    'Here is a FOO.bar',
+    'Here is a FOO.bar baz',
+    'END FOO#bar',
+    'new-instance 3810 (LSome/Framework/Class;) in LFOO;',
+    'FOO: Error message',
+    'Caused by: FOO: Error message',
+    '\tat FOO.bar(PG:1)',
+    '\t at\t FOO.bar\t (\t PG:\t 1\t )',
+    ('Unable to start activity ComponentInfo{garbage.in/here.test}:'
+     ' java.lang.NullPointerException: Attempt to invoke interface method'
+     ' \'void FOO.bar(int,android.os.Bundle)\' on a null object reference'),
+    ('Caused by: java.lang.NullPointerException: Attempt to read from field'
+     ' \'int[] FOO.a\' on a null object reference'),
+    'java.lang.VerifyError: FOO',
+    ('java.lang.NoSuchFieldError: No instance field a of type '
+     'Ljava/lang/Class; in class LFOO;'),
+    'NOTFOO: Object of type FOO was not destroyed...',
+]
+
+EXPECTED_OUTPUT = [
+    '',
+    'this.was.Deobfuscated',
+    'this.was.Deobfuscated.someMethod',
+    'Here is a FOO',
+    'Here is a class this.was.Deobfuscated',
+    'Here is a class FOO baz',
+    'Here is a "FOO" baz',
+    'Here is a type "this.was.Deobfuscated" baz',
+    'Here is a "this.was.Deobfuscated.someMethod" baz',
+    'SomeError: SomeFrameworkClass in isTestClass for this.was.Deobfuscated',
+    'Here is a this.was.Deobfuscated.someMethod',
+    'Here is a FOO.bar baz',
+    'END this.was.Deobfuscated#someMethod',
+    'new-instance 3810 (LSome/Framework/Class;) in Lthis/was/Deobfuscated;',
+    'this.was.Deobfuscated: Error message',
+    'Caused by: this.was.Deobfuscated: Error message',
+    '\tat this.was.Deobfuscated.someMethod(Deobfuscated.java:65)',
+    ('\t at\t this.was.Deobfuscated.someMethod\t '
+     '(\t Deobfuscated.java:\t 65\t )'),
+    ('Unable to start activity ComponentInfo{garbage.in/here.test}:'
+     ' java.lang.NullPointerException: Attempt to invoke interface method'
+     ' \'void this.was.Deobfuscated.someMethod(int,android.os.Bundle)\' on a'
+     ' null object reference'),
+    ('Caused by: java.lang.NullPointerException: Attempt to read from field'
+     ' \'int[] this.was.Deobfuscated.mFontFamily\' on a null object reference'),
+    'java.lang.VerifyError: this.was.Deobfuscated',
+    ('java.lang.NoSuchFieldError: No instance field mFontFamily of type '
+     'Ljava/lang/Class; in class Lthis/was/Deobfuscated;'),
+    'NOTFOO: Object of type this.was.Deobfuscated was not destroyed...',
+]
+TEST_DATA = [s + '\n' for s in TEST_DATA]
+EXPECTED_OUTPUT = [s + '\n' for s in EXPECTED_OUTPUT]
+
+
+class JavaDeobfuscateTest(unittest.TestCase):
+
+  def __init__(self, *args, **kwargs):
+    super(JavaDeobfuscateTest, self).__init__(*args, **kwargs)
+    self._map_file = None
+
+  def setUp(self):
+    self._map_file = tempfile.NamedTemporaryFile()
+    self._map_file.write(TEST_MAP)
+    self._map_file.flush()
+
+  def tearDown(self):
+    if self._map_file:
+      self._map_file.close()
+
+  def _testImpl(self, input_lines=None, expected_output_lines=None,
+                prefix=''):
+    self.assertTrue(bool(input_lines) == bool(expected_output_lines))
+
+    if not input_lines:
+      input_lines = [prefix + x for x in TEST_DATA]
+    if not expected_output_lines:
+      expected_output_lines = [prefix + x for x in EXPECTED_OUTPUT]
+
+    cmd = [_JAVA_DEOBFUSCATE_PATH, self._map_file.name]
+    proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
+    proc_output, _ = proc.communicate(''.join(input_lines))
+    actual_output_lines = proc_output.splitlines(True)
+    for actual, expected in zip(actual_output_lines, expected_output_lines):
+      self.assertTrue(
+          actual == expected or actual.replace('bar', 'someMethod') == expected,
+          msg=''.join([
+              'Deobfuscation failed.\n',
+              '  actual:   %s' % actual,
+              '  expected: %s' % expected]))
+
+  def testNoPrefix(self):
+    self._testImpl(prefix='')
+
+  def testThreadtimePrefix(self):
+    self._testImpl(prefix='09-08 14:38:35.535 18029 18084 E qcom_sensors_hal: ')
+
+  def testStandardPrefix(self):
+    self._testImpl(prefix='W/GCM     (15158): ')
+
+  def testStandardPrefixWithPadding(self):
+    self._testImpl(prefix='W/GCM     (  158): ')
+
+  @unittest.skip('causes java_deobfuscate to hang, see crbug.com/876539')
+  def testIndefiniteHang(self):
+    # Test for crbug.com/876539.
+    self._testImpl(
+        input_lines=[
+            'VFY: unable to resolve virtual method 2: LFOO;'
+                + '.onDescendantInvalidated '
+                + '(Landroid/view/View;Landroid/view/View;)V',
+        ],
+        expected_output_lines=[
+            'VFY: unable to resolve virtual method 2: Lthis.was.Deobfuscated;'
+                + '.onDescendantInvalidated '
+                + '(Landroid/view/View;Landroid/view/View;)V',
+        ])
+
+
+if __name__ == '__main__':
+  parser = argparse.ArgumentParser()
+  parser.add_argument('--java-deobfuscate-path', type=os.path.realpath,
+                      required=True)
+  known_args, unittest_args = parser.parse_known_args()
+  _JAVA_DEOBFUSCATE_PATH = known_args.java_deobfuscate_path
+  unittest_args = [sys.argv[0]] + unittest_args
+  unittest.main(argv=unittest_args)