Selectively perform JNI registration in render processes on Android.

base/android/jni_generator/jni_generator_tests.py

 #!/usr/bin/env 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
@@ skipping 932 matching lines @@
                      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, [], [], test_options)
     self.assertGoldenTextEquals(h.GetContent())
 
+  def testMainDexFile(self):
+    test_data = """
+    package org.chromium.example.jni_generator;
+
+    @MainDex
+    class Test {
+        private static native int nativeStaticMethod(long nativeTest, int arg1);
+    }
+    """
+    options = TestOptions()
+    jni_from_java = jni_generator.JNIFromJavaSource(
+      test_data, 'org/chromium/foo/Bar', options)
+    self.assertGoldenTextEquals(jni_from_java.GetContent())
+
+  def testNonMainDexFile(self):
+    test_data = """
+    package org.chromium.example.jni_generator;
+
+    class Test {
+        private static native int nativeStaticMethod(long nativeTest, int arg1);
+    }
+    """
+    options = TestOptions()
+    jni_from_java = jni_generator.JNIFromJavaSource(
+      test_data, 'org/chromium/foo/Bar', options)
+    self.assertGoldenTextEquals(jni_from_java.GetContent())
+
   def testNativeExportsOnlyOption(self):
     test_data = """
     package org.chromium.example.jni_generator;
 
     /** The pointer to the native Test. */
     long nativeTest;
 
     class Test {
         private static native int nativeStaticMethod(long nativeTest, int arg1);
         private native int nativeMethod(long nativeTest, int arg1);
@@ skipping 98 matching lines @@
   test_result = unittest.main(argv=argv[0:1], exit=False)
 
   if test_result.result.wasSuccessful() and options.stamp:
     TouchStamp(options.stamp)
 
   return not test_result.result.wasSuccessful()
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))