added tests for the "ngx_slab_alloc() failed: no memory" error message. these require the patch https://github.com/agentzh/ngx_openresty/blob/master/patches/nginx-1.2.4-slab_alloc_no_memory_as_info.patch
added tests for the "ngx_slab_alloc() failed: no memory" error message. these require the patch https://github.com/agentzh/ngx_openresty/blob/master/patches/nginx-1.2.4-slab_alloc_no_memory_as_info.patch

yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx