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-rw-r--r--test/jake2/render/DisposeBuffer.java45
1 files changed, 45 insertions, 0 deletions
diff --git a/test/jake2/render/DisposeBuffer.java b/test/jake2/render/DisposeBuffer.java
new file mode 100644
index 0000000..d17157c
--- /dev/null
+++ b/test/jake2/render/DisposeBuffer.java
@@ -0,0 +1,45 @@
+/*
+ * Created on May 13, 2005
+ *
+ */
+package jake2.render;
+
+import java.nio.Buffer;
+import java.nio.ByteBuffer;
+
+/**
+ * @author cwei
+ *
+ */
+public class DisposeBuffer {
+
+ // 160 MB direct buffers
+ static int SIZE = 1024 * 1024;
+ static int COUNT = 160;
+
+ public static void main(String[] args) {
+ System.out.println("DirectBuffer allocation.");
+ Buffer[] buf = new Buffer[COUNT];
+ Runtime run = Runtime.getRuntime();
+ System.gc();
+ for (int i = 0; i < COUNT; i++) {
+ buf[i] = ByteBuffer.allocateDirect(SIZE);
+ }
+ System.gc();
+ System.out.println((run.totalMemory() / 1024) + "KB heap");
+ try {
+ Thread.sleep(10000);
+ } catch (InterruptedException e) {
+ }
+ System.out.println("DirectBuffer dispose.");
+ for (int i = 0; i < COUNT; i++) {
+ buf[i] = null;
+ }
+ System.gc();
+ System.out.println((run.totalMemory() / 1024) + "KB heap");
+ try {
+ Thread.sleep(20000);
+ } catch (InterruptedException e) {
+ }
+ }
+}