Chrome on Android: adds jni_generator.

base/android/jni_generator/jni_generator_tests.py

+#!/usr/bin/python
+#
+# Copyright (c) 2012 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 jni_generator.py.
+
+This test suite contains various tests for the JNI generator.
+It exercises the low-level parser all the way up to the
+code generator and ensures the output matches a golden
+file.
+"""
+
+import difflib
+import os
+import sys
+import unittest
+import jni_generator
+from jni_generator import CalledByNative, NativeMethod, Param
+
+
+class TestGenerator(unittest.TestCase):
+  def assertObjEquals(self, first, second):
+    dict_first = first.__dict__
+    dict_second = second.__dict__
+    self.assertEquals(dict_first.keys(), dict_second.keys())
+    for key, value in dict_first.iteritems():
+      if (type(value) is list and len(value) and
+          isinstance(type(value[0]), object)):
+        self.assertListEquals(value, second.__getattribute__(key))
+      else:
+        self.assertEquals(value, second.__getattribute__(key))
+
+  def assertListEquals(self, first, second):
+    self.assertEquals(len(first), len(second))
+    for i in xrange(len(first)):
+      if isinstance(first[i], object):
+        self.assertObjEquals(first[i], second[i])
+      else:
+        self.assertEquals(first[i], second[i])
+
+  def assertTextEquals(self, golden_text, generated_text):
+    stripped_golden = [l.strip() for l in golden_text.split('\n')]
+    stripped_generated = [l.strip() for l in generated_text.split('\n')]
+    if stripped_golden != stripped_generated:
+      print self.id()
+      for line in difflib.context_diff(stripped_golden, stripped_generated):
+        print line
+      self.fail('Golden text mismatch')
+
+  def testNatives(self):
+    test_data = """"
+    private native int nativeInit();
+    private native void nativeDestroy(int nativeChromeBrowserProvider);
+    private native long nativeAddBookmark(
+            int nativeChromeBrowserProvider,
+            String url, String title, boolean isFolder, long parentId);
+    private static native String nativeGetDomainAndRegistry(String url);
+    private static native void nativeCreateHistoricalTabFromState(byte[] state, int tab_index);
+    private native byte[] nativeGetStateAsByteArray(ChromeView view);
+    private static native String[] nativeGetAutofillProfileGUIDs();
+    private native void nativeSetRecognitionResults(int sessionId, String[] results);
+    private native long nativeAddBookmarkFromAPI(int nativeChromeBrowserProvider,
+            String url, Long created, Boolean isBookmark,
+            Long date, byte[] favicon, String title, Integer visits);
+    native int nativeFindAll(String find);
+    private static native BookmarkNode nativeGetDefaultBookmarkFolder();
+    private native SQLiteCursor nativeQueryBookmarkFromAPI(int nativeChromeBrowserProvider,
+            String[] projection, String selection,
+            String[] selectionArgs, String sortOrder);
+    private native void nativeGotOrientation(int nativePtr /* device_orientation::DeviceOrientationAndroid */,
+            double alpha, double beta, double gamma);
+    """
+    natives = jni_generator.ExtractNatives(test_data)
+    golden_natives = [
+        NativeMethod(return_type='int', static=False,
+                     name='Init',
+                     params=[],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='void', static=False, name='Destroy',
+                     params=[Param(datatype='int',
+                                   name='nativeChromeBrowserProvider')],
+                     java_class_name='',
+                     type='method',
+                     p0_type='ChromeBrowserProvider'),
+        NativeMethod(return_type='long', static=False, name='AddBookmark',
+                     params=[Param(datatype='int',
+                                   name='nativeChromeBrowserProvider'),
+                             Param(datatype='String',
+                                   name='url'),
+                             Param(datatype='String',
+                                   name='title'),
+                             Param(datatype='boolean',
+                                   name='isFolder'),
+                             Param(datatype='long',
+                                   name='parentId')],
+                     java_class_name='',
+                     type='method',
+                     p0_type='ChromeBrowserProvider'),
+        NativeMethod(return_type='String', static=True,
+                     name='GetDomainAndRegistry',
+                     params=[Param(datatype='String',
+                                   name='url')],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='void', static=True,
+                     name='CreateHistoricalTabFromState',
+                     params=[Param(datatype='byte[]',
+                                   name='state'),
+                             Param(datatype='int',
+                                   name='tab_index')],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='byte[]', static=False,
+                     name='GetStateAsByteArray',
+                     params=[Param(datatype='ChromeView', name='view')],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='String[]', static=True,
+                     name='GetAutofillProfileGUIDs', params=[],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='void', static=False,
+                     name='SetRecognitionResults',
+                     params=[Param(datatype='int', name='sessionId'),
+                             Param(datatype='String[]', name='results')],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='long', static=False,
+                     name='AddBookmarkFromAPI',
+                     params=[Param(datatype='int',
+                                   name='nativeChromeBrowserProvider'),
+                             Param(datatype='String',
+                                   name='url'),
+                             Param(datatype='Long',
+                                   name='created'),
+                             Param(datatype='Boolean',
+                                   name='isBookmark'),
+                             Param(datatype='Long',
+                                   name='date'),
+                             Param(datatype='byte[]',
+                                   name='favicon'),
+                             Param(datatype='String',
+                                   name='title'),
+                             Param(datatype='Integer',
+                                   name='visits')],
+                     java_class_name='',
+                     type='method',
+                     p0_type='ChromeBrowserProvider'),
+        NativeMethod(return_type='int', static=False,
+                     name='FindAll',
+                     params=[Param(datatype='String',
+                                   name='find')],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='BookmarkNode', static=True,
+                     name='GetDefaultBookmarkFolder',
+                     params=[],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='SQLiteCursor',
+                     static=False,
+                     name='QueryBookmarkFromAPI',
+                     params=[Param(datatype='int',
+                                   name='nativeChromeBrowserProvider'),
+                             Param(datatype='String[]',
+                                   name='projection'),
+                             Param(datatype='String',
+                                   name='selection'),
+                             Param(datatype='String[]',
+                                   name='selectionArgs'),
+                             Param(datatype='String',
+                                   name='sortOrder'),
+                            ],
+                     java_class_name='',
+                     type='method',
+                     p0_type='ChromeBrowserProvider'),
+        NativeMethod(return_type='void', static=False,
+                     name='GotOrientation',
+                     params=[Param(datatype='int',
+                                   cpp_class_name='device_orientation::DeviceOrientationAndroid',
+                                   name='nativePtr'),
+                             Param(datatype='double',
+                                   name='alpha'),
+                             Param(datatype='double',
+                                   name='beta'),
+                             Param(datatype='double',
+                                   name='gamma'),
+                            ],
+                     java_class_name='',
+                     type='method',
+                     p0_type='device_orientation::DeviceOrientationAndroid'),
+    ]
+    self.assertListEquals(golden_natives, natives)
+    h = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
+                                             natives, [])
+    golden_content = """\
+// Copyright (c) 2012 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.
+
+
+// This file is autogenerated by base/android/jni_generator/jni_generator_tests.py
+// For org/chromium/TestJni
+
+#ifndef org_chromium_TestJni_JNI
+#define org_chromium_TestJni_JNI
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+using base::android::ScopedJavaLocalRef;
+
+// Step 1: forward declarations.
+namespace {
+const char* const kTestJniClassPath = "org/chromium/TestJni";
+// Leaking this JavaRef as we cannot use LazyInstance from some threads.
+base::android::ScopedJavaGlobalRef<jclass>&
+    g_TestJni_clazz = *(new base::android::ScopedJavaGlobalRef<jclass>());
+}  // namespace
+
+static jint Init(JNIEnv* env, jobject obj);
+
+
+static jstring GetDomainAndRegistry(JNIEnv* env, jclass clazz,
+    jstring url);
+
+
+static void CreateHistoricalTabFromState(JNIEnv* env, jclass clazz,
+    jbyteArray state,
+    jint tab_index);
+
+
+static jbyteArray GetStateAsByteArray(JNIEnv* env, jobject obj,
+    jobject view);
+
+
+static jobjectArray GetAutofillProfileGUIDs(JNIEnv* env, jclass clazz);
+
+
+static void SetRecognitionResults(JNIEnv* env, jobject obj,
+    jint sessionId,
+    jobjectArray results);
+
+
+static jint FindAll(JNIEnv* env, jobject obj,
+    jstring find);
+
+
+static jobject GetDefaultBookmarkFolder(JNIEnv* env, jclass clazz);
+
+
+// Step 2: method stubs.
+static void Destroy(JNIEnv* env, jobject obj,
+    jint nativeChromeBrowserProvider) {
+  DCHECK(nativeChromeBrowserProvider) << "Destroy";
+  ChromeBrowserProvider* native = reinterpret_cast<ChromeBrowserProvider*>(nativeChromeBrowserProvider);
+  return native->Destroy(env, obj);
+}
+
+static jlong AddBookmark(JNIEnv* env, jobject obj,
+    jint nativeChromeBrowserProvider,
+    jstring url,
+    jstring title,
+    jboolean isFolder,
+    jlong parentId) {
+  DCHECK(nativeChromeBrowserProvider) << "AddBookmark";
+  ChromeBrowserProvider* native = reinterpret_cast<ChromeBrowserProvider*>(nativeChromeBrowserProvider);
+  return native->AddBookmark(env, obj, url, title, isFolder, parentId);
+}
+
+static jlong AddBookmarkFromAPI(JNIEnv* env, jobject obj,
+    jint nativeChromeBrowserProvider,
+    jstring url,
+    jobject created,
+    jobject isBookmark,
+    jobject date,
+    jbyteArray favicon,
+    jstring title,
+    jobject visits) {
+  DCHECK(nativeChromeBrowserProvider) << "AddBookmarkFromAPI";
+  ChromeBrowserProvider* native = reinterpret_cast<ChromeBrowserProvider*>(nativeChromeBrowserProvider);
+  return native->AddBookmarkFromAPI(env, obj, url, created, isBookmark, date, favicon, title, visits);
+}
+
+static jobject QueryBookmarkFromAPI(JNIEnv* env, jobject obj,
+    jint nativeChromeBrowserProvider,
+    jobjectArray projection,
+    jstring selection,
+    jobjectArray selectionArgs,
+    jstring sortOrder) {
+  DCHECK(nativeChromeBrowserProvider) << "QueryBookmarkFromAPI";
+  ChromeBrowserProvider* native = reinterpret_cast<ChromeBrowserProvider*>(nativeChromeBrowserProvider);
+  return native->QueryBookmarkFromAPI(env, obj, projection, selection, selectionArgs, sortOrder).Release();
+}
+
+static void GotOrientation(JNIEnv* env, jobject obj,
+    jint nativePtr,
+    jdouble alpha,
+    jdouble beta,
+    jdouble gamma) {
+  DCHECK(nativePtr) << "GotOrientation";
+  device_orientation::DeviceOrientationAndroid* native = reinterpret_cast<device_orientation::DeviceOrientationAndroid*>(nativePtr);
+  return native->GotOrientation(env, obj, alpha, beta, gamma);
+}
+
+
+// Step 3: GetMethodIDs and RegisterNatives.
+
+
+static void GetMethodIDsImpl(JNIEnv* env) {
+  g_TestJni_clazz.Reset(base::android::GetClass(env, kTestJniClassPath));
+}
+
+static bool RegisterNativesImpl(JNIEnv* env) {
+  GetMethodIDsImpl(env);
+
+  static const JNINativeMethod kMethodsTestJni[] = {
+    { "nativeInit", "()I", reinterpret_cast<void*>(Init) },
+    { "nativeDestroy", "(I)V", reinterpret_cast<void*>(Destroy) },
+    { "nativeAddBookmark", "(ILjava/lang/String;Ljava/lang/String;ZJ)J", reinterpret_cast<void*>(AddBookmark) },
+    { "nativeGetDomainAndRegistry", "(Ljava/lang/String;)Ljava/lang/String;", reinterpret_cast<void*>(GetDomainAndRegistry) },
+    { "nativeCreateHistoricalTabFromState", "([BI)V", reinterpret_cast<void*>(CreateHistoricalTabFromState) },
+    { "nativeGetStateAsByteArray", "(Lorg/chromium/chromeview/ChromeView;)[B", reinterpret_cast<void*>(GetStateAsByteArray) },
+    { "nativeGetAutofillProfileGUIDs", "()[Ljava/lang/String;", reinterpret_cast<void*>(GetAutofillProfileGUIDs) },
+    { "nativeSetRecognitionResults", "(I[Ljava/lang/String;)V", reinterpret_cast<void*>(SetRecognitionResults) },
+    { "nativeAddBookmarkFromAPI", "(ILjava/lang/String;Ljava/lang/Long;Ljava/lang/Boolean;Ljava/lang/Long;[BLjava/lang/String;Ljava/lang/Integer;)J", reinterpret_cast<void*>(AddBookmarkFromAPI) },
+    { "nativeFindAll", "(Ljava/lang/String;)I", reinterpret_cast<void*>(FindAll) },
+    { "nativeGetDefaultBookmarkFolder", "()Lcom/android/chrome/ChromeBrowserProvider$BookmarkNode;", reinterpret_cast<void*>(GetDefaultBookmarkFolder) },
+    { "nativeQueryBookmarkFromAPI", "(I[Ljava/lang/String;Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;)Lcom/android/chrome/database/SQLiteCursor;", reinterpret_cast<void*>(QueryBookmarkFromAPI) },
+    { "nativeGotOrientation", "(IDDD)V", reinterpret_cast<void*>(GotOrientation) },
+  };
+  const int kMethodsTestJniSize = arraysize(kMethodsTestJni);
+
+  if (env->RegisterNatives(g_TestJni_clazz.obj(),
+                           kMethodsTestJni,
+                           kMethodsTestJniSize) < 0) {
+    LOG(ERROR) << "RegisterNatives failed in " << __FILE__;
+    return false;
+  }
+
+  return true;
+}
+
+#endif  // org_chromium_TestJni_JNI
+"""
+    self.assertTextEquals(golden_content, h.GetContent())
+
+  def testInnerClassNatives(self):
+    test_data = """
+    class MyInnerClass {
+      @NativeCall("MyInnerClass")
+      private native int nativeInit();
+    }
+    """
+    natives = jni_generator.ExtractNatives(test_data)
+    golden_natives = [
+        NativeMethod(return_type='int', static=False,
+                     name='Init', params=[],
+                     java_class_name='MyInnerClass',
+                     type='function')
+    ]
+    self.assertListEquals(golden_natives, natives)
+    h = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
+                                             natives, [])
+    golden_content = """\
+// Copyright (c) 2012 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.
+
+
+// This file is autogenerated by base/android/jni_generator/jni_generator_tests.py
+// For org/chromium/TestJni
+
+#ifndef org_chromium_TestJni_JNI
+#define org_chromium_TestJni_JNI
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+using base::android::ScopedJavaLocalRef;
+
+// Step 1: forward declarations.
+namespace {
+const char* const kTestJniClassPath = "org/chromium/TestJni";
+const char* const kMyInnerClassClassPath = "org/chromium/TestJni$MyInnerClass";
+// Leaking this JavaRef as we cannot use LazyInstance from some threads.
+base::android::ScopedJavaGlobalRef<jclass>&
+    g_TestJni_clazz = *(new base::android::ScopedJavaGlobalRef<jclass>());
+}  // namespace
+
+static jint Init(JNIEnv* env, jobject obj);
+
+
+// Step 2: method stubs.
+
+
+// Step 3: GetMethodIDs and RegisterNatives.
+
+
+static void GetMethodIDsImpl(JNIEnv* env) {
+  g_TestJni_clazz.Reset(base::android::GetClass(env, kTestJniClassPath));
+}
+
+static bool RegisterNativesImpl(JNIEnv* env) {
+  GetMethodIDsImpl(env);
+
+  static const JNINativeMethod kMethodsMyInnerClass[] = {
+    { "nativeInit", "()I", reinterpret_cast<void*>(Init) },
+  };
+  const int kMethodsMyInnerClassSize = arraysize(kMethodsMyInnerClass);
+
+  if (env->RegisterNatives(g_MyInnerClass_clazz.obj(),
+                           kMethodsMyInnerClass,
+                           kMethodsMyInnerClassSize) < 0) {
+    LOG(ERROR) << "RegisterNatives failed in " << __FILE__;
+    return false;
+  }
+
+  return true;
+}
+
+#endif  // org_chromium_TestJni_JNI
+"""
+    self.assertTextEquals(golden_content, h.GetContent())
+
+  def testInnerClassNativesMultiple(self):
+    test_data = """
+    class MyInnerClass {
+      @NativeCall("MyInnerClass")
+      private native int nativeInit();
+    }
+    class MyOtherInnerClass {
+      @NativeCall("MyOtherInnerClass")
+      private native int nativeInit();
+    }
+    """
+    natives = jni_generator.ExtractNatives(test_data)
+    golden_natives = [
+        NativeMethod(return_type='int', static=False,
+                     name='Init', params=[],
+                     java_class_name='MyInnerClass',
+                     type='function'),
+        NativeMethod(return_type='int', static=False,
+                     name='Init', params=[],
+                     java_class_name='MyOtherInnerClass',
+                     type='function')
+    ]
+    self.assertListEquals(golden_natives, natives)
+    h = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
+                                             natives, [])
+    golden_content = """\
+// Copyright (c) 2012 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.
+
+
+// This file is autogenerated by base/android/jni_generator/jni_generator_tests.py
+// For org/chromium/TestJni
+
+#ifndef org_chromium_TestJni_JNI
+#define org_chromium_TestJni_JNI
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+using base::android::ScopedJavaLocalRef;
+
+// Step 1: forward declarations.
+namespace {
+const char* const kMyOtherInnerClassClassPath = "org/chromium/TestJni$MyOtherInnerClass";
+const char* const kTestJniClassPath = "org/chromium/TestJni";
+const char* const kMyInnerClassClassPath = "org/chromium/TestJni$MyInnerClass";
+// Leaking this JavaRef as we cannot use LazyInstance from some threads.
+base::android::ScopedJavaGlobalRef<jclass>&
+    g_TestJni_clazz = *(new base::android::ScopedJavaGlobalRef<jclass>());
+}  // namespace
+
+static jint Init(JNIEnv* env, jobject obj);
+
+
+static jint Init(JNIEnv* env, jobject obj);
+
+
+// Step 2: method stubs.
+
+
+// Step 3: GetMethodIDs and RegisterNatives.
+
+
+static void GetMethodIDsImpl(JNIEnv* env) {
+  g_TestJni_clazz.Reset(base::android::GetClass(env, kTestJniClassPath));
+}
+
+static bool RegisterNativesImpl(JNIEnv* env) {
+  GetMethodIDsImpl(env);
+
+  static const JNINativeMethod kMethodsMyOtherInnerClass[] = {
+    { "nativeInit", "()I", reinterpret_cast<void*>(Init) },
+  };
+  const int kMethodsMyOtherInnerClassSize = arraysize(kMethodsMyOtherInnerClass);
+
+  if (env->RegisterNatives(g_MyOtherInnerClass_clazz.obj(),
+                           kMethodsMyOtherInnerClass,
+                           kMethodsMyOtherInnerClassSize) < 0) {
+    LOG(ERROR) << "RegisterNatives failed in " << __FILE__;
+    return false;
+  }
+
+  static const JNINativeMethod kMethodsMyInnerClass[] = {
+    { "nativeInit", "()I", reinterpret_cast<void*>(Init) },
+  };
+  const int kMethodsMyInnerClassSize = arraysize(kMethodsMyInnerClass);
+
+  if (env->RegisterNatives(g_MyInnerClass_clazz.obj(),
+                           kMethodsMyInnerClass,
+                           kMethodsMyInnerClassSize) < 0) {
+    LOG(ERROR) << "RegisterNatives failed in " << __FILE__;
+    return false;
+  }
+
+  return true;
+}
+
+#endif  // org_chromium_TestJni_JNI
+"""
+    self.assertTextEquals(golden_content, h.GetContent())
+
+  def testInnerClassNativesBothInnerAndOuter(self):
+    test_data = """
+    class MyOuterClass {
+      private native int nativeInit();
+      class MyOtherInnerClass {
+        @NativeCall("MyOtherInnerClass")
+        private native int nativeInit();
+      }
+    }
+    """
+    natives = jni_generator.ExtractNatives(test_data)
+    golden_natives = [
+        NativeMethod(return_type='int', static=False,
+                     name='Init', params=[],
+                     java_class_name='',
+                     type='function'),
+        NativeMethod(return_type='int', static=False,
+                     name='Init', params=[],
+                     java_class_name='MyOtherInnerClass',
+                     type='function')
+    ]
+    self.assertListEquals(golden_natives, natives)
+    h = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
+                                             natives, [])
+    golden_content = """\
+// Copyright (c) 2012 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.
+
+
+// This file is autogenerated by base/android/jni_generator/jni_generator_tests.py
+// For org/chromium/TestJni
+
+#ifndef org_chromium_TestJni_JNI
+#define org_chromium_TestJni_JNI
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+using base::android::ScopedJavaLocalRef;
+
+// Step 1: forward declarations.
+namespace {
+const char* const kMyOtherInnerClassClassPath = "org/chromium/TestJni$MyOtherInnerClass";
+const char* const kTestJniClassPath = "org/chromium/TestJni";
+// Leaking this JavaRef as we cannot use LazyInstance from some threads.
+base::android::ScopedJavaGlobalRef<jclass>&
+    g_TestJni_clazz = *(new base::android::ScopedJavaGlobalRef<jclass>());
+}  // namespace
+
+static jint Init(JNIEnv* env, jobject obj);
+
+
+static jint Init(JNIEnv* env, jobject obj);
+
+
+// Step 2: method stubs.
+
+
+// Step 3: GetMethodIDs and RegisterNatives.
+
+
+static void GetMethodIDsImpl(JNIEnv* env) {
+  g_TestJni_clazz.Reset(base::android::GetClass(env, kTestJniClassPath));
+}
+
+static bool RegisterNativesImpl(JNIEnv* env) {
+  GetMethodIDsImpl(env);
+
+  static const JNINativeMethod kMethodsMyOtherInnerClass[] = {
+    { "nativeInit", "()I", reinterpret_cast<void*>(Init) },
+  };
+  const int kMethodsMyOtherInnerClassSize = arraysize(kMethodsMyOtherInnerClass);
+
+  if (env->RegisterNatives(g_MyOtherInnerClass_clazz.obj(),
+                           kMethodsMyOtherInnerClass,
+                           kMethodsMyOtherInnerClassSize) < 0) {
+    LOG(ERROR) << "RegisterNatives failed in " << __FILE__;
+    return false;
+  }
+
+  static const JNINativeMethod kMethodsTestJni[] = {
+    { "nativeInit", "()I", reinterpret_cast<void*>(Init) },
+  };
+  const int kMethodsTestJniSize = arraysize(kMethodsTestJni);
+
+  if (env->RegisterNatives(g_TestJni_clazz.obj(),
+                           kMethodsTestJni,
+                           kMethodsTestJniSize) < 0) {
+    LOG(ERROR) << "RegisterNatives failed in " << __FILE__;
+    return false;
+  }
+
+  return true;
+}
+
+#endif  // org_chromium_TestJni_JNI
+"""
+    self.assertTextEquals(golden_content, h.GetContent())
+
+  def testCalledByNatives(self):
+    test_data = """"
+    @CalledByNative
+    NativeInfoBar showConfirmInfoBar(int nativeInfoBar, String buttonOk,
+                                     String buttonCancel, String title, Bitmap icon) {
+        InfoBar infobar = new ConfirmInfoBar(nativeInfoBar, mContext,
+                                             buttonOk, buttonCancel,
+                                             title, icon);
+        return infobar;
+    }
+    @CalledByNative
+    NativeInfoBar showAutoLoginInfoBar(int nativeInfoBar,
+                                       String realm, String account, String args) {
+        AutoLoginInfoBar infobar = new AutoLoginInfoBar(nativeInfoBar, mContext,
+                realm, account, args);
+        if (infobar.displayedAccountCount() == 0)
+            infobar = null;
+        return infobar;
+    }
+    @CalledByNative("InfoBar")
+    void dismiss();
+    @SuppressWarnings("unused")
+    @CalledByNative
+    private static boolean shouldShowAutoLogin(ChromeView chromeView,
+            String realm, String account, String args) {
+        AccountManagerContainer accountManagerContainer =
+            new AccountManagerContainer((Activity)chromeView.getContext(), realm, account, args);
+        String[] logins = accountManagerContainer.getAccountLogins(null);
+        return logins.length != 0;
+    }
+    @CalledByNative
+    static InputStream openUrl(String url) {
+        return null;
+    }
+    @CalledByNative
+    private void activateHardwareAcceleration(final boolean activated, final int iPid, final int iType,
+            final int iPrimaryID, final int iSecondaryID) {
+      if (!activated) {
+          return
+      }
+    }
+    @CalledByNativeUnchecked
+    private void uncheckedCall(int iParam);
+    """
+    called_by_natives = jni_generator.ExtractCalledByNatives(test_data)
+    golden_called_by_natives = [
+        CalledByNative(
+            return_type='NativeInfoBar',
+            system_class=False,
+            static=False,
+            name='showConfirmInfoBar',
+            method_id_var_name='showConfirmInfoBar',
+            java_class_name='',
+            params=[Param(datatype='int', name='nativeInfoBar'),
+                    Param(datatype='String', name='buttonOk'),
+                    Param(datatype='String', name='buttonCancel'),
+                    Param(datatype='String', name='title'),
+                    Param(datatype='Bitmap', name='icon')],
+            env_call=('Object', ''),
+            unchecked=False,
+        ),
+        CalledByNative(
+            return_type='NativeInfoBar',
+            system_class=False,
+            static=False,
+            name='showAutoLoginInfoBar',
+            method_id_var_name='showAutoLoginInfoBar',
+            java_class_name='',
+            params=[Param(datatype='int', name='nativeInfoBar'),
+                    Param(datatype='String', name='realm'),
+                    Param(datatype='String', name='account'),
+                    Param(datatype='String', name='args')],
+            env_call=('Object', ''),
+            unchecked=False,
+        ),
+        CalledByNative(
+            return_type='void',
+            system_class=False,
+            static=False,
+            name='dismiss',
+            method_id_var_name='dismiss',
+            java_class_name='InfoBar',
+            params=[],
+            env_call=('Void', ''),
+            unchecked=False,
+        ),
+        CalledByNative(
+            return_type='boolean',
+            system_class=False,
+            static=True,
+            name='shouldShowAutoLogin',
+            method_id_var_name='shouldShowAutoLogin',
+            java_class_name='',
+            params=[Param(datatype='ChromeView', name='chromeView'),
+                    Param(datatype='String', name='realm'),
+                    Param(datatype='String', name='account'),
+                    Param(datatype='String', name='args')],
+            env_call=('Boolean', ''),
+            unchecked=False,
+        ),
+        CalledByNative(
+            return_type='InputStream',
+            system_class=False,
+            static=True,
+            name='openUrl',
+            method_id_var_name='openUrl',
+            java_class_name='',
+            params=[Param(datatype='String', name='url')],
+            env_call=('Object', ''),
+            unchecked=False,
+        ),
+        CalledByNative(
+            return_type='void',
+            system_class=False,
+            static=False,
+            name='activateHardwareAcceleration',
+            method_id_var_name='activateHardwareAcceleration',
+            java_class_name='',
+            params=[Param(datatype='boolean', name='activated'),
+                    Param(datatype='int', name='iPid'),
+                    Param(datatype='int', name='iType'),
+                    Param(datatype='int', name='iPrimaryID'),
+                    Param(datatype='int', name='iSecondaryID'),
+                   ],
+            env_call=('Void', ''),
+            unchecked=False,
+        ),
+        CalledByNative(
+            return_type='void',
+            system_class=False,
+            static=False,
+            name='uncheckedCall',
+            method_id_var_name='uncheckedCall',
+            java_class_name='',
+            params=[Param(datatype='int', name='iParam')],
+            env_call=('Void', ''),
+            unchecked=True,
+        ),
+    ]
+    self.assertListEquals(golden_called_by_natives, called_by_natives)
+    h = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
+                                             [], called_by_natives)
+    golden_content = """\
+// Copyright (c) 2012 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.
+
+
+// This file is autogenerated by base/android/jni_generator/jni_generator_tests.py
+// For org/chromium/TestJni
+
+#ifndef org_chromium_TestJni_JNI
+#define org_chromium_TestJni_JNI
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+using base::android::ScopedJavaLocalRef;
+
+// Step 1: forward declarations.
+namespace {
+const char* const kTestJniClassPath = "org/chromium/TestJni";
+const char* const kInfoBarClassPath = "org/chromium/TestJni$InfoBar";
+// Leaking this JavaRef as we cannot use LazyInstance from some threads.
+base::android::ScopedJavaGlobalRef<jclass>&
+    g_TestJni_clazz = *(new base::android::ScopedJavaGlobalRef<jclass>());
+// Leaking this JavaRef as we cannot use LazyInstance from some threads.
+base::android::ScopedJavaGlobalRef<jclass>&
+    g_InfoBar_clazz = *(new base::android::ScopedJavaGlobalRef<jclass>());
+}  // namespace
+
+
+// Step 2: method stubs.
+
+static jmethodID g_TestJni_showConfirmInfoBar = 0;
+static ScopedJavaLocalRef<jobject> Java_TestJni_showConfirmInfoBar(JNIEnv* env, jobject obj, jint nativeInfoBar,
+    jstring buttonOk,
+    jstring buttonCancel,
+    jstring title,
+    jobject icon) {
+  DCHECK(!g_TestJni_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_TestJni_showConfirmInfoBar);
+  jobject ret =
+  env->CallObjectMethod(obj,
+      g_TestJni_showConfirmInfoBar, nativeInfoBar, buttonOk, buttonCancel, title, icon);
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobject>(env, ret);
+}
+
+static jmethodID g_TestJni_showAutoLoginInfoBar = 0;
+static ScopedJavaLocalRef<jobject> Java_TestJni_showAutoLoginInfoBar(JNIEnv* env, jobject obj, jint nativeInfoBar,
+    jstring realm,
+    jstring account,
+    jstring args) {
+  DCHECK(!g_TestJni_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_TestJni_showAutoLoginInfoBar);
+  jobject ret =
+  env->CallObjectMethod(obj,
+      g_TestJni_showAutoLoginInfoBar, nativeInfoBar, realm, account, args);
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobject>(env, ret);
+}
+
+static jmethodID g_InfoBar_dismiss = 0;
+static void Java_InfoBar_dismiss(JNIEnv* env, jobject obj) {
+  DCHECK(!g_InfoBar_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InfoBar_dismiss);
+
+  env->CallVoidMethod(obj,
+      g_InfoBar_dismiss);
+  base::android::CheckException(env);
+
+}
+
+static jmethodID g_TestJni_shouldShowAutoLogin = 0;
+static jboolean Java_TestJni_shouldShowAutoLogin(JNIEnv* env, jobject chromeView,
+    jstring realm,
+    jstring account,
+    jstring args) {
+  DCHECK(!g_TestJni_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_TestJni_shouldShowAutoLogin);
+  jboolean ret =
+  env->CallStaticBooleanMethod(g_TestJni_clazz.obj(),
+      g_TestJni_shouldShowAutoLogin, chromeView, realm, account, args);
+  base::android::CheckException(env);
+  return ret;
+}
+
+static jmethodID g_TestJni_openUrl = 0;
+static ScopedJavaLocalRef<jobject> Java_TestJni_openUrl(JNIEnv* env, jstring url) {
+  DCHECK(!g_TestJni_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_TestJni_openUrl);
+  jobject ret =
+  env->CallStaticObjectMethod(g_TestJni_clazz.obj(),
+      g_TestJni_openUrl, url);
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobject>(env, ret);
+}
+
+static jmethodID g_TestJni_activateHardwareAcceleration = 0;
+static void Java_TestJni_activateHardwareAcceleration(JNIEnv* env, jobject obj, jboolean activated,
+    jint iPid,
+    jint iType,
+    jint iPrimaryID,
+    jint iSecondaryID) {
+  DCHECK(!g_TestJni_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_TestJni_activateHardwareAcceleration);
+
+  env->CallVoidMethod(obj,
+      g_TestJni_activateHardwareAcceleration, activated, iPid, iType, iPrimaryID, iSecondaryID);
+  base::android::CheckException(env);
+
+}
+
+static jmethodID g_TestJni_uncheckedCall = 0;
+static void Java_TestJni_uncheckedCall(JNIEnv* env, jobject obj, jint iParam) {
+ DCHECK(!g_TestJni_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+ DCHECK(g_TestJni_uncheckedCall);
+
+ env->CallVoidMethod(obj,
+     g_TestJni_uncheckedCall, iParam);
+
+
+}
+
+// Step 3: GetMethodIDs and RegisterNatives.
+
+
+static void GetMethodIDsImpl(JNIEnv* env) {
+  g_TestJni_clazz.Reset(base::android::GetClass(env, kTestJniClassPath));
+  g_InfoBar_clazz.Reset(base::android::GetClass(env, kInfoBarClassPath));
+  g_TestJni_showConfirmInfoBar = base::android::GetMethodID(
+    env, g_TestJni_clazz,
+    "showConfirmInfoBar",
+    "(ILjava/lang/String;Ljava/lang/String;Ljava/lang/String;Landroid/graphics/Bitmap;)Lcom/android/chrome/infobar/InfoBarContainer$NativeInfoBar;");
+
+  g_TestJni_showAutoLoginInfoBar = base::android::GetMethodID(
+    env, g_TestJni_clazz,
+    "showAutoLoginInfoBar",
+    "(ILjava/lang/String;Ljava/lang/String;Ljava/lang/String;)Lcom/android/chrome/infobar/InfoBarContainer$NativeInfoBar;");
+
+  g_InfoBar_dismiss = base::android::GetMethodID(
+    env, g_InfoBar_clazz,
+    "dismiss",
+    "()V");
+
+  g_TestJni_shouldShowAutoLogin = base::android::GetStaticMethodID(
+    env, g_TestJni_clazz,
+    "shouldShowAutoLogin",
+    "(Lorg/chromium/chromeview/ChromeView;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z");
+
+  g_TestJni_openUrl = base::android::GetStaticMethodID(
+    env, g_TestJni_clazz,
+    "openUrl",
+    "(Ljava/lang/String;)Ljava/io/InputStream;");
+
+  g_TestJni_activateHardwareAcceleration = base::android::GetMethodID(
+    env, g_TestJni_clazz,
+    "activateHardwareAcceleration",
+    "(ZIIII)V");
+
+  g_TestJni_uncheckedCall = base::android::GetMethodID(
+    env, g_TestJni_clazz,
+    "uncheckedCall",
+    "(I)V");
+
+}
+
+static bool RegisterNativesImpl(JNIEnv* env) {
+  GetMethodIDsImpl(env);
+
+  return true;
+}
+
+#endif  // org_chromium_TestJni_JNI
+"""
+    self.assertTextEquals(golden_content, h.GetContent())
+
+  def testCalledByNativeParseError(self):
+    try:
+      jni_generator.ExtractCalledByNatives("""
+@CalledByNative
+public static int foo(); // This one is fine
+
+@CalledByNative
+scooby doo
+""")
+      self.fail('Expected a ParseError')
+    except jni_generator.ParseError, e:
+      self.assertEquals(('@CalledByNative', 'scooby doo'), e.context_lines)
+
+  def testFullyQualifiedClassName(self):
+    contents = """
+// Copyright (c) 2010 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.
+
+package org.chromium.chromeview;
+
+import org.chromium.chromeview.legacy.DownloadListener;
+"""
+    self.assertEquals('org/chromium/chromeview/Foo',
+                      jni_generator.ExtractFullyQualifiedJavaClassName(
+                          'org/chromium/chromeview/Foo.java', contents))
+    self.assertEquals('org/chromium/chromeview/Foo',
+                      jni_generator.ExtractFullyQualifiedJavaClassName(
+                          'frameworks/Foo.java', contents))
+    self.assertRaises(SyntaxError,
+                      jni_generator.ExtractFullyQualifiedJavaClassName,
+                      'com/foo/Bar', 'no PACKAGE line')
+
+  def testMethodNameMangling(self):
+    self.assertEquals('close_pqV',
+                      jni_generator.GetMangledMethodName('close', '()V'))
+    self.assertEquals('read_paBIIqI',
+                      jni_generator.GetMangledMethodName('read', '([BII)I'))
+    self.assertEquals('open_pLjava_lang_StringxqLjava_io_InputStreamx',
+                      jni_generator.GetMangledMethodName(
+                          'open',
+                          '(Ljava/lang/String;)Ljava/io/InputStream;'))
+
+  def testFromJavaP(self):
+    contents = """
+public abstract class java.io.InputStream extends java.lang.Object implements java.io.Closeable{
+    public java.io.InputStream();
+    public int available()       throws java.io.IOException;
+    public void close()       throws java.io.IOException;
+    public void mark(int);
+    public boolean markSupported();
+    public abstract int read()       throws java.io.IOException;
+    public int read(byte[])       throws java.io.IOException;
+    public int read(byte[], int, int)       throws java.io.IOException;
+    public synchronized void reset()       throws java.io.IOException;
+    public long skip(long)       throws java.io.IOException;
+}
+"""
+    jni_from_javap = jni_generator.JNIFromJavaP(contents.split('\n'), None)
+    self.assertEquals(9, len(jni_from_javap.called_by_natives))
+    golden_content = """\
+// Copyright (c) 2012 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.
+
+
+// This file is autogenerated by base/android/jni_generator/jni_generator_tests.py
+// For java/io/InputStream
+
+#ifndef java_io_InputStream_JNI
+#define java_io_InputStream_JNI
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+using base::android::ScopedJavaLocalRef;
+
+// Step 1: forward declarations.
+namespace {
+const char* const kInputStreamClassPath = "java/io/InputStream";
+// Leaking this JavaRef as we cannot use LazyInstance from some threads.
+base::android::ScopedJavaGlobalRef<jclass>&
+    g_InputStream_clazz = *(new base::android::ScopedJavaGlobalRef<jclass>());
+}  // namespace
+
+
+// Step 2: method stubs.
+
+static jmethodID g_InputStream_available = 0;
+static jint Java_InputStream_available(JNIEnv* env, jobject obj) __attribute__ ((unused));
+static jint Java_InputStream_available(JNIEnv* env, jobject obj) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_available);
+  jint ret =
+  env->CallIntMethod(obj,
+      g_InputStream_available);
+  base::android::CheckException(env);
+  return ret;
+}
+
+static jmethodID g_InputStream_close = 0;
+static void Java_InputStream_close(JNIEnv* env, jobject obj) __attribute__ ((unused));
+static void Java_InputStream_close(JNIEnv* env, jobject obj) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_close);
+
+  env->CallVoidMethod(obj,
+      g_InputStream_close);
+  base::android::CheckException(env);
+
+}
+
+static jmethodID g_InputStream_mark = 0;
+static void Java_InputStream_mark(JNIEnv* env, jobject obj, jint p0) __attribute__ ((unused));
+static void Java_InputStream_mark(JNIEnv* env, jobject obj, jint p0) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_mark);
+
+  env->CallVoidMethod(obj,
+      g_InputStream_mark, p0);
+  base::android::CheckException(env);
+
+}
+
+static jmethodID g_InputStream_markSupported = 0;
+static jboolean Java_InputStream_markSupported(JNIEnv* env, jobject obj) __attribute__ ((unused));
+static jboolean Java_InputStream_markSupported(JNIEnv* env, jobject obj) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_markSupported);
+  jboolean ret =
+  env->CallBooleanMethod(obj,
+      g_InputStream_markSupported);
+  base::android::CheckException(env);
+  return ret;
+}
+
+static jmethodID g_InputStream_read_pqI = 0;
+static jint Java_InputStream_read(JNIEnv* env, jobject obj) __attribute__ ((unused));
+static jint Java_InputStream_read(JNIEnv* env, jobject obj) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_read_pqI);
+  jint ret =
+  env->CallIntMethod(obj,
+      g_InputStream_read_pqI);
+  base::android::CheckException(env);
+  return ret;
+}
+
+static jmethodID g_InputStream_read_paBqI = 0;
+static jint Java_InputStream_read(JNIEnv* env, jobject obj, jbyteArray p0) __attribute__ ((unused));
+static jint Java_InputStream_read(JNIEnv* env, jobject obj, jbyteArray p0) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_read_paBqI);
+  jint ret =
+  env->CallIntMethod(obj,
+      g_InputStream_read_paBqI, p0);
+  base::android::CheckException(env);
+  return ret;
+}
+
+static jmethodID g_InputStream_read_paBIIqI = 0;
+static jint Java_InputStream_read(JNIEnv* env, jobject obj, jbyteArray p0,
+    jint p1,
+    jint p2) __attribute__ ((unused));
+static jint Java_InputStream_read(JNIEnv* env, jobject obj, jbyteArray p0,
+    jint p1,
+    jint p2) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_read_paBIIqI);
+  jint ret =
+  env->CallIntMethod(obj,
+      g_InputStream_read_paBIIqI, p0, p1, p2);
+  base::android::CheckException(env);
+  return ret;
+}
+
+static jmethodID g_InputStream_reset = 0;
+static void Java_InputStream_reset(JNIEnv* env, jobject obj) __attribute__ ((unused));
+static void Java_InputStream_reset(JNIEnv* env, jobject obj) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_reset);
+
+  env->CallVoidMethod(obj,
+      g_InputStream_reset);
+  base::android::CheckException(env);
+
+}
+
+static jmethodID g_InputStream_skip = 0;
+static jlong Java_InputStream_skip(JNIEnv* env, jobject obj, jlong p0) __attribute__ ((unused));
+static jlong Java_InputStream_skip(JNIEnv* env, jobject obj, jlong p0) {
+  DCHECK(!g_InputStream_clazz.is_null());  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_skip);
+  jlong ret =
+  env->CallLongMethod(obj,
+      g_InputStream_skip, p0);
+  base::android::CheckException(env);
+  return ret;
+}
+
+// Step 3: GetMethodIDs and RegisterNatives.
+namespace JNI_InputStream {
+
+static void GetMethodIDsImpl(JNIEnv* env) {
+  g_InputStream_clazz.Reset(base::android::GetClass(env, kInputStreamClassPath));
+  g_InputStream_available = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "available",
+    "()I");
+
+  g_InputStream_close = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "close",
+    "()V");
+
+  g_InputStream_mark = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "mark",
+    "(I)V");
+
+  g_InputStream_markSupported = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "markSupported",
+    "()Z");
+
+  g_InputStream_read_pqI = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "read",
+    "()I");
+
+  g_InputStream_read_paBqI = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "read",
+    "([B)I");
+
+  g_InputStream_read_paBIIqI = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "read",
+    "([BII)I");
+
+  g_InputStream_reset = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "reset",
+    "()V");
+
+  g_InputStream_skip = base::android::GetMethodID(
+    env, g_InputStream_clazz,
+    "skip",
+    "(J)J");
+
+}
+
+static bool RegisterNativesImpl(JNIEnv* env) {
+  JNI_InputStream::GetMethodIDsImpl(env);
+
+  return true;
+}
+}  // namespace JNI_InputStream
+
+#endif  // java_io_InputStream_JNI
+"""
+    self.assertTextEquals(golden_content, jni_from_javap.GetContent())
+
+  def testREForNatives(self):
+    # We should not match "native SyncSetupFlow" inside the comment.
+    test_data = """
+    /**
+     * Invoked when the setup process is complete so we can disconnect from the
+     * native-side SyncSetupFlowHandler.
+     */
+    public void destroy() {
+        Log.v(TAG, "Destroying native SyncSetupFlow");
+        if (mNativeSyncSetupFlow != 0) {
+            nativeSyncSetupEnded(mNativeSyncSetupFlow);
+            mNativeSyncSetupFlow = 0;
+        }
+    }
+    private native void nativeSyncSetupEnded(int nativeAndroidSyncSetupFlowHandler);
+    """
+    jni_from_java = jni_generator.JNIFromJavaSource(test_data, 'foo/bar')
+
+  def testRaisesOnUnknownDatatype(self):
+    test_data = """
+    class MyInnerClass {
+      private native int nativeInit(AnUnknownDatatype p0);
+    }
+    """
+    self.assertRaises(SyntaxError,
+                      jni_generator.JNIFromJavaSource,
+                      test_data, 'foo/bar')
+
+  def testJniSelfDocumentingExample(self):
+    script_dir = os.path.dirname(sys.argv[0])
+    content = file(os.path.join(script_dir, 'SampleForTests.java')).read()
+    golden_content = file(os.path.join(script_dir,
+                                       'golden_sample_for_tests_jni.h')).read()
+    jni_from_java = jni_generator.JNIFromJavaSource(content,
+                                                    'org/chromium/example/jni_generator/SampleForTests')
+    self.assertTextEquals(golden_content, jni_from_java.GetContent())
+
+  def testCheckFilenames(self):
+    self.assertRaises(SystemExit, jni_generator.CheckFilenames,
+                      ['more', 'input', 'than'], ['output'])
+    self.assertRaises(SystemExit, jni_generator.CheckFilenames,
+                      ['more'], ['output', 'than', 'input'])
+    self.assertRaises(SystemExit, jni_generator.CheckFilenames,
+                      ['NotTheSame.java'], ['not_good.h'])
+    self.assertRaises(SystemExit, jni_generator.CheckFilenames,
+                      ['MissingJniSuffix.java'], ['missing_jni_suffix.h'])
+    jni_generator.CheckFilenames(['ThisIsFine.java'], ['this_is_fine_jni.h'])
+    jni_generator.CheckFilenames([], [])
+
+
+if __name__ == '__main__':
+  unittest.main()