Add a test to trigger GC.

Change-Id: I398465ae0129612d0f8742d129a4c82c796584a3
diff --git a/test/MemUsage/MemUsage.java b/test/MemUsage/MemUsage.java
new file mode 100644
index 0000000..4cc4159
--- /dev/null
+++ b/test/MemUsage/MemUsage.java
@@ -0,0 +1,19 @@
+
+
+public class MemUsage {
+  public static final int NUM_1D_ARRAYS = 1000;
+  public static final int INCREMENT = 300;
+
+  public static void main(String [] args) {
+    int sz = 1000;
+    double[][] RelocationArray = new double[NUM_1D_ARRAYS][];
+    while (true) {
+      for (int i = 0; i < NUM_1D_ARRAYS; i++) {
+        RelocationArray[i] = new double[sz];
+        if (sz + INCREMENT > 0) {
+          sz += INCREMENT;
+        }
+      }
+    }
+  }
+}