libjava/testsuite/libjava.jni/directbuffer.c

   1 #include <stdlib.h>
   2
   3 #include "directbuffer.h"
   4
   5 #define BUFFER_SIZE 1024
   6
   7 static void *address;
   8
   9 JNIEXPORT jobject JNICALL
  10 Java_directbuffer_createDirectByteBuffer (JNIEnv *env, jclass k)
  11 {
  12   address = malloc (BUFFER_SIZE);
  13   return (*env)->NewDirectByteBuffer (env, address, 1024);
  14 }
  15
  16 static void
  17 test_buffer (JNIEnv *env, jobject buffer, const char *name, int len)
  18 {
  19   void *tmp = (*env)->GetDirectBufferAddress (env, buffer);
  20
  21   if (address == tmp)
  22     printf ("PASS: address of %s\n", name);
  23   else
  24     printf ("FAIL: address of %s\n", name);
  25
  26   int tmplen = (*env)->GetDirectBufferCapacity (env, buffer);
  27
  28   if (len == tmplen)
  29     printf ("PASS: length of %s\n", name);
  30   else
  31     printf ("FAIL: length of %s\n", name);
  32 }
  33
  34 JNIEXPORT void JNICALL
  35 Java_directbuffer_testDirectByteBuffer (JNIEnv *env, jclass k, jobject buffer, jint len)
  36 {
  37   test_buffer (env, buffer, "direct java.nio.ByteBuffer", len);
  38 }
  39
  40 JNIEXPORT void JNICALL
  41 Java_directbuffer_testCharBuffer (JNIEnv *env, jclass k, jobject buffer, jint len)
  42 {
  43   test_buffer (env, buffer, "java.nio.CharBuffer view", len);
  44 }
  45
  46 JNIEXPORT void JNICALL
  47 Java_directbuffer_testDoubleBuffer (JNIEnv *env, jclass k, jobject buffer, jint len)
  48 {
  49   test_buffer (env, buffer, "java.nio.DoubleBuffer view", len);
  50 }
  51
  52 JNIEXPORT void JNICALL
  53 Java_directbuffer_testFloatBuffer (JNIEnv *env, jclass k, jobject buffer, jint len)
  54 {
  55   test_buffer (env, buffer, "java.nio.FloatBuffer view", len);
  56 }
  57
  58 JNIEXPORT void JNICALL
  59 Java_directbuffer_testIntBuffer (JNIEnv *env, jclass k, jobject buffer, jint len)
  60 {
  61   test_buffer (env, buffer, "java.nio.IntBuffer view", len);
  62 }
  63
  64 JNIEXPORT void JNICALL
  65 Java_directbuffer_testLongBuffer (JNIEnv *env, jclass k, jobject buffer, jint len)
  66 {
  67   test_buffer (env, buffer, "java.nio.LongBuffer view", len);
  68 }
  69
  70 JNIEXPORT void JNICALL
  71 Java_directbuffer_testShortBuffer (JNIEnv *env, jclass k, jobject buffer, jint len)
  72 {
  73   test_buffer (env, buffer, "java.nio.ShortBuffer view", len);
  74 }
  75