Exemple #1
0
 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, 'int')
   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)
   jni_params = jni_generator.JniParams('')
   h = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
                                            natives, [], [], jni_params,
                                            TestOptions())
   self.assertGoldenTextEquals(h.GetContent())
Exemple #2
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  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, 'int')
    golden_natives = [
        NativeMethod(return_type='int', static=False,
                     name='Init', params=[],
                     java_class_name=None,
                     type='function'),
        NativeMethod(return_type='int', static=False,
                     name='Init', params=[],
                     java_class_name='MyOtherInnerClass',
                     type='function')
    ]
    self.assertListEquals(golden_natives, natives)
    jni_params = jni_generator.JniParams('')
    h = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
                                             natives, [], [], jni_params,
                                             TestOptions())
    self.assertGoldenTextEquals(h.GetContent())

    content = {}
    h2 = jni_registration_generator.HeaderGenerator(
        '', 'org/chromium/TestJni', natives, jni_params, content, True)
    h2.AddContent()
    self.assertGoldenTextEquals(
        jni_registration_generator.CreateFromDict(content),
        suffix='Registrations')
def _DictForPath(path, use_proxy_hash=False):
    with open(path) as f:
        contents = jni_generator.RemoveComments(f.read())
        if '@JniIgnoreNatives' in contents:
            return None

    fully_qualified_class = jni_generator.ExtractFullyQualifiedJavaClassName(
        path, contents)
    natives = jni_generator.ExtractNatives(contents, 'long')

    natives += jni_generator.ProxyHelpers.ExtractStaticProxyNatives(
        fully_qualified_class=fully_qualified_class,
        contents=contents,
        ptr_type='long',
        use_hash=use_proxy_hash)
    if len(natives) == 0:
        return None
    namespace = jni_generator.ExtractJNINamespace(contents)
    jni_params = jni_generator.JniParams(fully_qualified_class)
    jni_params.ExtractImportsAndInnerClasses(contents)
    is_main_dex = jni_generator.IsMainDexJavaClass(contents)
    header_generator = HeaderGenerator(namespace, fully_qualified_class,
                                       natives, jni_params, is_main_dex,
                                       use_proxy_hash)
    return header_generator.Generate()
Exemple #4
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 def testNativesLong(self):
     test_options = TestOptions()
     test_options.ptr_type = 'long'
     test_data = """"
 private native void nativeDestroy(long nativeChromeBrowserProvider);
 """
     jni_params = jni_generator.JniParams('')
     jni_params.ExtractImportsAndInnerClasses(test_data)
     natives = jni_generator.ExtractNatives(test_data,
                                            test_options.ptr_type)
     golden_natives = [
         NativeMethod(return_type='void',
                      static=False,
                      name='Destroy',
                      params=[
                          Param(datatype='long',
                                name='nativeChromeBrowserProvider')
                      ],
                      java_class_name=None,
                      type='method',
                      p0_type='ChromeBrowserProvider',
                      ptr_type=test_options.ptr_type),
     ]
     self.assertListEquals(golden_natives, natives)
     h = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
                                              natives, [], [], jni_params,
                                              test_options)
     self.assertGoldenTextEquals(h.GetContent())
Exemple #5
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  def testImports(self):
    import_header = """
// 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.

package org.chromium.content.app;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.graphics.SurfaceTexture;
import android.os.Bundle;
import android.os.IBinder;
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.os.RemoteException;
import android.util.Log;
import android.view.Surface;

import java.util.ArrayList;

import org.chromium.base.annotations.CalledByNative;
import org.chromium.base.annotations.JNINamespace;
import org.chromium.content.app.ContentMain;
import org.chromium.content.browser.SandboxedProcessConnection;
import org.chromium.content.common.ISandboxedProcessCallback;
import org.chromium.content.common.ISandboxedProcessService;
import org.chromium.content.common.WillNotRaise.AnException;
import org.chromium.content.common.WillRaise.AnException;

import static org.chromium.Bar.Zoo;

class Foo {
  public static class BookmarkNode implements Parcelable {
  }
  public interface PasswordListObserver {
  }
}
    """
    jni_params = jni_generator.JniParams('org/chromium/content/app/Foo')
    jni_params.ExtractImportsAndInnerClasses(import_header)
    self.assertTrue('Lorg/chromium/content/common/ISandboxedProcessService' in
                    jni_params._imports)
    self.assertTrue('Lorg/chromium/Bar/Zoo' in
                    jni_params._imports)
    self.assertTrue('Lorg/chromium/content/app/Foo$BookmarkNode' in
                    jni_params._inner_classes)
    self.assertTrue('Lorg/chromium/content/app/Foo$PasswordListObserver' in
                    jni_params._inner_classes)
    self.assertEquals('Lorg/chromium/content/app/ContentMain$Inner;',
                      jni_params.JavaToJni('ContentMain.Inner'))
    self.assertRaises(SyntaxError,
                      jni_params.JavaToJni, 'AnException')
Exemple #6
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  def testCalledByNativeParseError(self):
    try:
      jni_params = jni_generator.JniParams('')
      jni_generator.ExtractCalledByNatives(jni_params, """
@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)
Exemple #7
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def _DictForPath(path):
    with open(path) as f:
        contents = jni_generator.RemoveComments(f.read())
    natives = jni_generator.ExtractNatives(contents, 'long')
    if len(natives) == 0:
        return None
    namespace = jni_generator.ExtractJNINamespace(contents)
    fully_qualified_class = jni_generator.ExtractFullyQualifiedJavaClassName(
        path, contents)
    jni_params = jni_generator.JniParams(fully_qualified_class)
    jni_params.ExtractImportsAndInnerClasses(contents)
    main_dex = jni_generator.IsMainDexJavaClass(contents)
    header_generator = HeaderGenerator(namespace, fully_qualified_class,
                                       natives, jni_params, main_dex)
    return header_generator.Generate()
Exemple #8
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 def testMethodNameMangling(self):
   jni_params = jni_generator.JniParams('')
   self.assertEquals('closeV',
       jni_generator.GetMangledMethodName(jni_params, 'close', [], 'void'))
   self.assertEquals('readI_AB_I_I',
       jni_generator.GetMangledMethodName(jni_params, 'read',
           [Param(name='p1',
                  datatype='byte[]'),
            Param(name='p2',
                  datatype='int'),
            Param(name='p3',
                  datatype='int'),],
            'int'))
   self.assertEquals('openJIIS_JLS',
       jni_generator.GetMangledMethodName(jni_params, 'open',
           [Param(name='p1',
                  datatype='java/lang/String'),],
            'java/io/InputStream'))
Exemple #9
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def GenerateJNIHeader(java_file_paths, output_file, args):
    """Generate a header file including two registration functions.

  Forward declares all JNI registration functions created by jni_generator.py.
  Calls the functions in RegisterMainDexNatives() if they are main dex. And
  calls them in RegisterNonMainDexNatives() if they are non-main dex.

  Args:
      java_file_paths: A list of java file paths.
      output_file: A relative path to output file.
      args: All input arguments.
  """
    registration_dict = {}
    # Sort the file list to make sure the order is deterministic.
    java_file_paths.sort()
    for path in java_file_paths:
        if path in args.no_register_java:
            continue
        with open(path) as f:
            contents = jni_generator.RemoveComments(f.read())
        natives = jni_generator.ExtractNatives(contents, 'long')
        if len(natives) == 0:
            continue
        namespace = jni_generator.ExtractJNINamespace(contents)
        fully_qualified_class = jni_generator.ExtractFullyQualifiedJavaClassName(
            path, contents)
        jni_params = jni_generator.JniParams(fully_qualified_class)
        jni_params.ExtractImportsAndInnerClasses(contents)
        main_dex = jni_generator.IsMainDexJavaClass(contents)
        header_generator = HeaderGenerator(namespace, fully_qualified_class,
                                           natives, jni_params,
                                           registration_dict, main_dex)
        header_generator.AddContent()

    header_content = CreateFromDict(registration_dict)
    if output_file:
        jni_generator.WriteOutput(output_file, header_content)
    else:
        print header_content
Exemple #10
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 def testJniParamsJavaToJni(self):
   jni_params = jni_generator.JniParams('')
   self.assertTextEquals('I', jni_params.JavaToJni('int'))
   self.assertTextEquals('[B', jni_params.JavaToJni('byte[]'))
   self.assertTextEquals(
       '[Ljava/nio/ByteBuffer;', jni_params.JavaToJni('java/nio/ByteBuffer[]'))
Exemple #11
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  def testCalledByNatives(self):
    test_data = """"
    import android.graphics.Bitmap;
    import android.view.View;
    import java.io.InputStream;
    import java.util.List;

    class InnerClass {}

    @CalledByNative
    InnerClass showConfirmInfoBar(int nativeInfoBar,
            String buttonOk, String buttonCancel, String title, Bitmap icon) {
        InfoBar infobar = new ConfirmInfoBar(nativeInfoBar, mContext,
                                             buttonOk, buttonCancel,
                                             title, icon);
        return infobar;
    }
    @CalledByNative
    InnerClass 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(View view,
            String realm, String account, String args) {
        AccountManagerContainer accountManagerContainer =
            new AccountManagerContainer((Activity)contentView.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
      }
    }
    @CalledByNative
    public static @Status int updateStatus(@Status int status) {
        return getAndUpdateStatus(status);
    }
    @CalledByNativeUnchecked
    private void uncheckedCall(int iParam);

    @CalledByNative
    public byte[] returnByteArray();

    @CalledByNative
    public boolean[] returnBooleanArray();

    @CalledByNative
    public char[] returnCharArray();

    @CalledByNative
    public short[] returnShortArray();

    @CalledByNative
    public int[] returnIntArray();

    @CalledByNative
    public long[] returnLongArray();

    @CalledByNative
    public double[] returnDoubleArray();

    @CalledByNative
    public Object[] returnObjectArray();

    @CalledByNative
    public byte[][] returnArrayOfByteArray();

    @CalledByNative
    public Bitmap.CompressFormat getCompressFormat();

    @CalledByNative
    public List<Bitmap.CompressFormat> getCompressFormatList();
    """
    jni_params = jni_generator.JniParams('org/chromium/Foo')
    jni_params.ExtractImportsAndInnerClasses(test_data)
    called_by_natives = jni_generator.ExtractCalledByNatives(jni_params,
                                                             test_data)
    golden_called_by_natives = [
        CalledByNative(
            return_type='InnerClass',
            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='InnerClass',
            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='View', name='view'),
                    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='int',
          system_class=False,
          static=True,
          name='updateStatus',
          method_id_var_name='updateStatus',
          java_class_name='',
          params=[Param(datatype='int', name='status')],
          env_call=('Integer', ''),
          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,
        ),
        CalledByNative(
            return_type='byte[]',
            system_class=False,
            static=False,
            name='returnByteArray',
            method_id_var_name='returnByteArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='boolean[]',
            system_class=False,
            static=False,
            name='returnBooleanArray',
            method_id_var_name='returnBooleanArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='char[]',
            system_class=False,
            static=False,
            name='returnCharArray',
            method_id_var_name='returnCharArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='short[]',
            system_class=False,
            static=False,
            name='returnShortArray',
            method_id_var_name='returnShortArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='int[]',
            system_class=False,
            static=False,
            name='returnIntArray',
            method_id_var_name='returnIntArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='long[]',
            system_class=False,
            static=False,
            name='returnLongArray',
            method_id_var_name='returnLongArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='double[]',
            system_class=False,
            static=False,
            name='returnDoubleArray',
            method_id_var_name='returnDoubleArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='Object[]',
            system_class=False,
            static=False,
            name='returnObjectArray',
            method_id_var_name='returnObjectArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='byte[][]',
            system_class=False,
            static=False,
            name='returnArrayOfByteArray',
            method_id_var_name='returnArrayOfByteArray',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='Bitmap.CompressFormat',
            system_class=False,
            static=False,
            name='getCompressFormat',
            method_id_var_name='getCompressFormat',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
        CalledByNative(
            return_type='List<Bitmap.CompressFormat>',
            system_class=False,
            static=False,
            name='getCompressFormatList',
            method_id_var_name='getCompressFormatList',
            java_class_name='',
            params=[],
            env_call=('Void', ''),
            unchecked=False,
        ),
    ]
    self.assertListEquals(golden_called_by_natives, called_by_natives)
    h = jni_generator.InlHeaderFileGenerator(
        '', 'org/chromium/TestJni', [], called_by_natives, [], jni_params,
        TestOptions())
    self.assertGoldenTextEquals(h.GetContent())
Exemple #12
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  def testNatives(self):
    test_data = """"
    import android.graphics.Bitmap;
    import android.view.View;

    interface OnFrameAvailableListener {}
    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(View 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 OnFrameAvailableListener nativeGetInnerClass();
    private native Bitmap nativeQueryBitmap(
            int nativeChromeBrowserProvider,
            String[] projection, String selection,
            String[] selectionArgs, String sortOrder);
    private native void nativeGotOrientation(
            int nativeDataFetcherImplAndroid,
            double alpha, double beta, double gamma);
    private static native Throwable nativeMessWithJavaException(Throwable e);
    """
    jni_params = jni_generator.JniParams(
        'org/chromium/example/jni_generator/SampleForTests')
    jni_params.ExtractImportsAndInnerClasses(test_data)
    natives = jni_generator.ExtractNatives(test_data, 'int')
    golden_natives = [
        NativeMethod(return_type='int', static=False,
                     name='Init',
                     params=[],
                     java_class_name=None,
                     type='function'),
        NativeMethod(return_type='void', static=False, name='Destroy',
                     params=[Param(datatype='int',
                                   name='nativeChromeBrowserProvider')],
                     java_class_name=None,
                     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=None,
                     type='method',
                     p0_type='ChromeBrowserProvider'),
        NativeMethod(return_type='String', static=True,
                     name='GetDomainAndRegistry',
                     params=[Param(datatype='String',
                                   name='url')],
                     java_class_name=None,
                     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=None,
                     type='function'),
        NativeMethod(return_type='byte[]', static=False,
                     name='GetStateAsByteArray',
                     params=[Param(datatype='View', name='view')],
                     java_class_name=None,
                     type='function'),
        NativeMethod(return_type='String[]', static=True,
                     name='GetAutofillProfileGUIDs', params=[],
                     java_class_name=None,
                     type='function'),
        NativeMethod(return_type='void', static=False,
                     name='SetRecognitionResults',
                     params=[Param(datatype='int', name='sessionId'),
                             Param(datatype='String[]', name='results')],
                     java_class_name=None,
                     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=None,
                     type='method',
                     p0_type='ChromeBrowserProvider'),
        NativeMethod(return_type='int', static=False,
                     name='FindAll',
                     params=[Param(datatype='String',
                                   name='find')],
                     java_class_name=None,
                     type='function'),
        NativeMethod(return_type='OnFrameAvailableListener', static=True,
                     name='GetInnerClass',
                     params=[],
                     java_class_name=None,
                     type='function'),
        NativeMethod(return_type='Bitmap',
                     static=False,
                     name='QueryBitmap',
                     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=None,
                     type='method',
                     p0_type='ChromeBrowserProvider'),
        NativeMethod(return_type='void', static=False,
                     name='GotOrientation',
                     params=[Param(datatype='int',
                                   name='nativeDataFetcherImplAndroid'),
                             Param(datatype='double',
                                   name='alpha'),
                             Param(datatype='double',
                                   name='beta'),
                             Param(datatype='double',
                                   name='gamma'),
                            ],
                     java_class_name=None,
                     type='method',
                     p0_type='content::DataFetcherImplAndroid'),
        NativeMethod(return_type='Throwable', static=True,
                     name='MessWithJavaException',
                     params=[Param(datatype='Throwable', name='e')],
                     java_class_name=None,
                     type='function')
    ]
    self.assertListEquals(golden_natives, natives)
    h1 = jni_generator.InlHeaderFileGenerator('', 'org/chromium/TestJni',
                                              natives, [], [], jni_params,
                                              TestOptions())
    self.assertGoldenTextEquals(h1.GetContent())
    content = {}
    h2 = jni_registration_generator.HeaderGenerator(
        '', 'org/chromium/TestJni', natives, jni_params, content, True)
    h2.AddContent()
    self.assertGoldenTextEquals(
        jni_registration_generator.CreateFromDict(content),
        suffix='Registrations')