Android: adds Get(Static)MethodIDOrNULL.

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 1331 matching lines @@
   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)
+__attribute__ ((unused));
 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(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "available",
 
 "("
 ")"
 "I");
 
   g_InputStream_close =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "close",
 
 "("
 ")"
 "V");
 
   g_InputStream_mark =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "mark",
 
 "("
 "I"
 ")"
 "V");
 
   g_InputStream_markSupported =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "markSupported",
 
 "("
 ")"
 "Z");
 
   g_InputStream_readI =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "read",
 
 "("
 ")"
 "I");
 
   g_InputStream_readI_AB =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "read",
 
 "("
 "[B"
 ")"
 "I");
 
   g_InputStream_readI_AB_I_I =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "read",
 
 "("
 "[B"
 "I"
 "I"
 ")"
 "I");
 
   g_InputStream_reset =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "reset",
 
 "("
 ")"
 "V");
 
   g_InputStream_skip =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "skip",
 
 "("
 "J"
 ")"
 "J");
 
   g_InputStream_Constructor =
-      base::android::GetMethodID(
+      base::android::GetMethodIDOrNull(
           env, g_InputStream_clazz,
           "<init>",
 
 "("
 ")"
 "V");
 
 }
 
 static bool RegisterNativesImpl(JNIEnv* env) {
@@ skipping 68 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()