Add verification stress test.

This is more a benchmark than a real test. It highlights a pattern where Art's
verifier is currently slower than Dalvik's verifier.

Bug: 12126841
Change-Id: I1ed6466798696b0aa04b94edac2d2b9d0015c6a2
diff --git a/test/303-verification-stress/classes-gen.c b/test/303-verification-stress/classes-gen.c
new file mode 100644
index 0000000..be6cfa7
--- /dev/null
+++ b/test/303-verification-stress/classes-gen.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2013 The Android Open Source Project
+ *
+ * Generate a big pile of classes with big <clinit>.
+ */
+#include <stdio.h>
+
+/*
+ * Create N files.
+ */
+static int createFiles(int count, int array_size)
+{
+    FILE* fp;
+    int i;
+    int k;
+
+    for (i = 0; i < count; i++) {
+        char nameBuf[32];
+
+        snprintf(nameBuf, sizeof(nameBuf), "src/Test%03d.java", i);
+        fp = fopen(nameBuf, "w");
+        if (fp == NULL) {
+            fprintf(stderr, "ERROR: unable to open %s\n", nameBuf);
+            return -1;
+        }
+
+        fprintf(fp, "public class Test%03d {\n", i);
+        fprintf(fp, "    static String[] array = new String[%d];\n", array_size);
+        fprintf(fp, "    static {\n", array_size);
+        for (k = 0; k < array_size; k++) {
+            fprintf(fp, "        array[%d] = \"string_%04d\";\n", k, k);
+        }
+        fprintf(fp, "    }\n", array_size);
+        fprintf(fp, "}\n");
+        fclose(fp);
+    }
+
+    // Create test class.
+    fp = fopen("src/MainTest.java", "w");
+    if (fp == NULL) {
+        fprintf(stderr, "ERROR: unable to open src/MainTest.java\n");
+        return -1;
+    }
+    fprintf(fp, "public class MainTest {\n");
+    fprintf(fp, "    public static void run() {\n");
+    for (i = 0; i < count; i++) {
+        fprintf(fp, "        System.out.println(\"Create new Test%03d\");\n", i);
+        fprintf(fp, "        new Test%03d();\n", i);
+    }
+    fprintf(fp, "    }\n");
+    fprintf(fp, "}\n");
+    fclose(fp);
+
+    return 0;
+}
+
+int main()
+{
+    int result;
+
+    result = createFiles(40, 2000);
+
+    return (result != 0);
+}