gh-983 (iproto hang/crash): add a test case

test/box/net.box.result

@@ -886,6 +886,33 @@ file_log:close()
 ---
 - true
 ...
+-- gh-983 selecting a lot of data crashes the server or hangs the
+-- connection
+-- gh-983 test case: iproto connection selecting a lot of data
+_ = box.schema.space.create('test', { temporary = true })
+---
+...
+_ = box.space.test:create_index('primary', {type = 'TREE', parts = {1,'NUM'}})
+---
+...
+data1k = "aaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhh"
+---
+...
+for i = 0,10000 do box.space.test:insert{i, data1k} end
+---
+...
+net = require('net.box')
+---
+...
+c = net:new(box.cfg.listen)
+---
+...
+r = c.space.test:select(nil, {limit=5000})
+---
+...
+box.space.test:drop()
+---
+...
 box.schema.user.revoke('guest', 'read,write,execute', 'universe')
 ---
 ...

test/box/net.box.test.lua

@@ -364,4 +364,21 @@ end;
 --# setopt delimiter ''
 
 file_log:close()
+
+-- gh-983 selecting a lot of data crashes the server or hangs the
+-- connection
+
+-- gh-983 test case: iproto connection selecting a lot of data
+_ = box.schema.space.create('test', { temporary = true })
+_ = box.space.test:create_index('primary', {type = 'TREE', parts = {1,'NUM'}})
+
+data1k = "aaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhhaaaabbbbccccddddeeeeffffgggghhhh"
+
+for i = 0,10000 do box.space.test:insert{i, data1k} end
+
+net = require('net.box')
+c = net:new(box.cfg.listen)
+r = c.space.test:select(nil, {limit=5000})
+box.space.test:drop()
+
 box.schema.user.revoke('guest', 'read,write,execute', 'universe')