void test_get_set(client &c) { c.flushdb(); c.set("k1", "v1"); assert(*c.get("k1")=="v1"); c.set("k1", "v2"); assert(*c.get("k1")=="v2"); assert(!c.get("nonexist")); c.set("mykey", "10.5"); c.incrbyfloat("mykey", "0.1"); assert(*(c.get("mykey"))=="10.6"); }