commit 36bcd4f3f56adf889d488b3fd0fdc7e38e519675
author Andreas Gampe <agampe@google.com> Fri Oct 28 18:07:18 2016 -0700
committer Andreas Gampe <agampe@google.com> Fri Oct 28 18:07:18 2016 -0700
tree b29f6c8284fdc2cad7d4f090929e854e221ea8d4
parent 368a2088fe24738cfc534c21141c881cf5ff4238

ART: Add GetMethodModifiers

Support GetMethodModifiers to retrieve the modifiers of a JNI
method.

Extend test 910.

Bug: 31684812
Test: m test-art-host-run-test-910-methods
Change-Id: Ib44df099bc056c557e526d5fa267df48ac2fd86c

test/910-methods/expected.txt

diff --git a/test/910-methods/expected.txt b/test/910-methods/expected.txt
index 980edc3..9a74799 100644
--- a/test/910-methods/expected.txt
+++ b/test/910-methods/expected.txt
@@ -1,10 +1,15 @@
 [toString, ()Ljava/lang/String;, null]
 class java.lang.Object
+1
 [charAt, (I)C, null]
 class java.lang.String
+257
 [sqrt, (D)D, null]
 class java.lang.Math
+265
 [add, (Ljava/lang/Object;)Z, null]
 interface java.util.List
+1025
 [run, ()V, null]
 class $Proxy0
+17

test/910-methods/methods.cc

diff --git a/test/910-methods/methods.cc b/test/910-methods/methods.cc
index 214ae50..cc6ad67 100644
--- a/test/910-methods/methods.cc
+++ b/test/910-methods/methods.cc
@@ -91,6 +91,22 @@
   return declaring_class;
 }
 
+extern "C" JNIEXPORT jint JNICALL Java_Main_getMethodModifiers(
+    JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
+  jmethodID id = env->FromReflectedMethod(method);
+
+  jint modifiers;
+  jvmtiError result = jvmti_env->GetMethodModifiers(id, &modifiers);
+  if (result != JVMTI_ERROR_NONE) {
+    char* err;
+    jvmti_env->GetErrorName(result, &err);
+    printf("Failure running GetMethodModifiers: %s\n", err);
+    return 0;
+  }
+
+  return modifiers;
+}
+
 // Don't do anything
 jint OnLoad(JavaVM* vm,
             char* options ATTRIBUTE_UNUSED,

test/910-methods/src/Main.java

diff --git a/test/910-methods/src/Main.java b/test/910-methods/src/Main.java
index d8c4627..3459134 100644
--- a/test/910-methods/src/Main.java
+++ b/test/910-methods/src/Main.java
@@ -62,8 +62,15 @@
       throw new RuntimeException("Declaring class not equal: " + base + " vs " + declClass);
     }
     System.out.println(declClass);
+
+    int modifiers = getMethodModifiers(m);
+    if (modifiers != m.getModifiers()) {
+      throw new RuntimeException("Modifiers not equal: " + m.getModifiers() + " vs " + modifiers);
+    }
+    System.out.println(modifiers);
   }
 
   private static native String[] getMethodName(Method m);
   private static native Class<?> getMethodDeclaringClass(Method m);
+  private static native int getMethodModifiers(Method m);
 }