Android: generates JNI bindings for constructors in system classes.

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 1157 matching lines @@
     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))
+    self.assertEquals(10, 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
 
@@ skipping 142 matching lines @@
   /* Must call RegisterNativesImpl()  */
   DCHECK(g_InputStream_clazz);
   DCHECK(g_InputStream_skip);
   jlong ret =
     env->CallLongMethod(obj,
       g_InputStream_skip, p0);
   base::android::CheckException(env);
   return ret;
 }
 
+static jmethodID g_InputStream_Constructor = 0;
+static ScopedJavaLocalRef<jobject> Java_InputStream_Constructor(JNIEnv* env) {
+  /* Must call RegisterNativesImpl()  */
+  DCHECK(g_InputStream_clazz);
+  DCHECK(g_InputStream_Constructor);
+  jobject ret =
+    env->NewObject(g_InputStream_clazz,
+      g_InputStream_Constructor);
+  base::android::CheckException(env);
+  return ScopedJavaLocalRef<jobject>(env, ret);
+}
+
 // Step 3: GetMethodIDs and RegisterNatives.
 static void GetMethodIDsImpl(JNIEnv* env) {
   g_InputStream_clazz = reinterpret_cast<jclass>(env->NewGlobalRef(
       base::android::GetUnscopedClass(env, kInputStreamClassPath)));
   g_InputStream_available =
       base::android::GetMethodID(
           env, g_InputStream_clazz,
           "available",
 
 "("
@@ skipping 71 matching lines @@
   g_InputStream_skip =
       base::android::GetMethodID(
           env, g_InputStream_clazz,
           "skip",
 
 "("
 "J"
 ")"
 "J");
 
+  g_InputStream_Constructor =
+      base::android::GetMethodID(
+          env, g_InputStream_clazz,
+          "<init>",
+
+"("
+")"
+"V");
+
 }
 
 static bool RegisterNativesImpl(JNIEnv* env) {
   GetMethodIDsImpl(env);
 
   return true;
 }
 }  // namespace JNI_InputStream
 
 #endif  // java_io_InputStream_JNI
@@ skipping 61 matching lines @@
         test_data, ('com/google/lookhowextremelylongiam/snarf/'
                     'icankeepthisupallday/ReallyLongClassNamesAreAllTheRage'))
     jni_lines = jni_from_java.GetContent().split('\n')
     line = filter(lambda line: line.lstrip().startswith('#ifndef'),
                   jni_lines)[0]
     self.assertTrue(len(line) > 80,
                     ('Expected #ifndef line to be > 80 chars: ', line))
 
 if __name__ == '__main__':
   unittest.main()