Use combined native/manual JNI registration.

base/android/jni_generator/jni_generator_tests.py

Index: base/android/jni_generator/jni_generator_tests.py
diff --git a/base/android/jni_generator/jni_generator_tests.py b/base/android/jni_generator/jni_generator_tests.py
index 7e39cda3d369f2f8b02a86e08e4747ea7662ac70..3b7131842302a449935bb60cc2f6ba150accb942 100755
--- a/base/android/jni_generator/jni_generator_tests.py
+++ b/base/android/jni_generator/jni_generator_tests.py
@@ -43,6 +43,7 @@ class TestOptions(object):
     self.cpp = 'cpp'
     self.javap = 'javap'
     self.native_exports = False
+    self.native_exports_optional = False
 
 class TestGenerator(unittest.TestCase):
   def assertObjEquals(self, first, second):
@@ -1058,6 +1059,46 @@ class Foo {
         test_data, 'org/chromium/example/jni_generator/SampleForTests', options)
     self.assertGoldenTextEquals(jni_from_java.GetContent())
 
+  def testNativeExportsOptionalOption(self):
+    test_data = """
+    package org.chromium.example.jni_generator;
+
+    /** The pointer to the native Test. */
+    long nativeTest;
+
+    class Test {
+        private static native boolean nativeInitNativeClass();
+        private static native int nativeStaticMethod(long nativeTest, int arg1);
+        private native int nativeMethod(long nativeTest, int arg1);
+        @CalledByNative
+        private void testMethodWithParam(int iParam);
+        @CalledByNative
+        private String testMethodWithParamAndReturn(int iParam);
+        @CalledByNative
+        private static int testStaticMethodWithParam(int iParam);
+        @CalledByNative
+        private static double testMethodWithNoParam();
+        @CalledByNative
+        private static String testStaticMethodWithNoParam();
+
+        class MyInnerClass {
+          @NativeCall("MyInnerClass")
+          private native int nativeInit();
+        }
+        class MyOtherInnerClass {
+          @NativeCall("MyOtherInnerClass")
+          private native int nativeInit();
+        }
+    }
+    """
+    options = TestOptions()
+    options.jni_init_native_name = 'nativeInitNativeClass'
+    options.native_exports = True
+    options.native_exports_optional = True
+    jni_from_java = jni_generator.JNIFromJavaSource(
+        test_data, 'org/chromium/example/jni_generator/SampleForTests', options)
+    self.assertGoldenTextEquals(jni_from_java.GetContent())

[rmcilroy, 2015/02/20 17:19:35]

Could we extract the common code from testNativeExportsOptionalOption and
testNativeExportsOption into a common function and call it with the appropriate
parameters in the two tests?

[Torne, 2015/02/20 21:53:45]

Done.

+
   def testOuterInnerRaises(self):
     test_data = """
     package org.chromium.media;