add test case

t/10-prefix.t

@@ -214,3 +214,53 @@ done
 [error]
 [warn]
 [crit]
+
+
+
+=== TEST 6: prefix.page() operation
+--- ONLY
+--- http_config eval: $::HttpConfig
+--- main_config eval: $::MainConfig
+--- config
+    location = /t {
+        content_by_lua_block {
+            local l = require("resty.lmdb")
+
+            ngx.say(l.db_drop(true))
+            ngx.say(l.set("test", "value"))
+            ngx.say(l.set("test1", "value1"))
+            ngx.say(l.set("test2", "value2"))
+            ngx.say(l.set("test3", "value3"))
+            ngx.say(l.set("u", "value4"))
+            ngx.say(l.set("u1", "value5"))
+
+            local p = require("resty.lmdb.prefix")
+
+            local res, err = p.page(nil, "test")
+            if not res then
+                ngx.say("page errored: ", err)
+            end
+
+            for _, pair in ipairs(res) do
+                ngx.say("key: ", pair.key, " value: ", pair.value)
+            end
+        }
+    }
+--- request
+GET /t
+--- response_body
+true
+true
+true
+true
+true
+true
+true
+key: test value: value
+key: test1 value: value1
+key: test2 value: value2
+key: test3 value: value3
+--- no_error_log
+[error]
+[warn]
+[crit]