libjava/testsuite/libjava.jni/iface.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <iface.h>
   4
   5 void check (JNIEnv *);
   6
   7 void check(JNIEnv *env)
   8 {
   9   if ((*env)->ExceptionCheck(env) != JNI_FALSE)
  10     {
  11       fprintf(stderr, "UNEXPECTED EXCEPTION\n");
  12       exit(-1);
  13     }
  14 }
  15
  16 void
  17 Java_iface_doCalls (JNIEnv *env, jobject self, jobject other)
  18 {
  19   jclass iface_class, comparable_class;
  20   jmethodID iface_meth, comparable_meth;
  21   jvalue args[1];
  22
  23   iface_class = (*env)->FindClass(env, "iface");
  24   check (env);
  25   comparable_class = (*env)->FindClass (env, "mycomp");
  26   check (env);
  27
  28   iface_meth = (*env)->GetMethodID (env, iface_class, "compareTo",
  29                                     "(Ljava/lang/Object;)I");
  30   check (env);
  31   comparable_meth = (*env)->GetMethodID (env, comparable_class, "compareTo",
  32                                          "(Ljava/lang/Object;)I");
  33   check (env);
  34
  35   args[0].l = other;
  36   (*env)->CallObjectMethodA (env, self, iface_meth, args);
  37   check (env);
  38   (*env)->CallObjectMethodA (env, self, comparable_meth, args);
  39   check (env);
  40 }