test case for double DbEnv delete. addresses #233

git-svn-id: file:///svn/tokudb@1411 c7de825b-a66e-492c-adef-691d508d4ae1

cxx/tests/test_no_env.cpp

+#include <assert.h>
+#include <db_cxx.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#define TC(expr, expect) ({        \
+  try {                            \
+    expr;                          \
+    assert(expect==0); 	           \
+  } catch (DbException e) {        \
+    if (e.get_errno()!=expect) fprintf(stderr, "err=%d %s\n", e.get_errno(), db_strerror(e.get_errno())); \
+    assert(e.get_errno()==expect); \
+  }                                \
+})
+
+void test_no_env () {
+#if 0
+    DbEnv env(0);
+    TC(env.open(".", DB_INIT_MPOOL | DB_CREATE | DB_PRIVATE , 0777),    0);
+    Db db(&env, 0);
+#else
+    Db db(0, 0);
+#endif
+    unlink("foo.db");
+    TC(db.open(0, "foo.db", 0, DB_BTREE, DB_CREATE, 0777), 0);
+}
+
+int main(int argc, char *argv[]) {
+    test_no_env();
+    system("rm -f *.tokulog");
+    return 0;
+}