fixed gh-769 : Added a test for iterator.LT and iterator.GT for non-unique indexes

test/wal_off/itr_lt_gt.result

+-- test for https://github.com/tarantool/tarantool/issues/769
+s = box.schema.create_space('test')
+---
+...
+i = s:create_index('primary', { type = 'TREE', parts = {1, 'num', 2, 'num'} })
+---
+...
+s:insert{0, 0} s:insert{2, 0}
+---
+...
+for i=1,100000 do s:insert{1, i} end
+---
+...
+test_itrs = {'EQ', 'REQ', 'GT', 'LT', 'GE', 'LE'}
+---
+...
+test_res = {}
+---
+...
+too_longs = {}
+---
+...
+--# setopt delimiter ';'
+function test_run_itr(itr, key)
+    for i=1,10000 do
+        local gen, param, state = s.index.primary:pairs({key}, {iterator = itr})
+        state, v =  gen(param, state)
+        test_res[itr .. ' ' .. key] = v
+    end
+end;
+---
+...
+function test_itr(itr, key)
+    local t = os.time()
+    test_run_itr(itr, key)
+    if os.time() - t > 1 then
+        table.insert(too_longs, 'Too long ' .. itr .. ' ' .. key)
+    end
+end;
+---
+...
+for _,itr in pairs(test_itrs) do
+    for key = 0,2 do
+        test_itr(itr, key)
+    end
+end;
+---
+...
+--# setopt delimiter ''
+test_res
+---
+- LE 1: [1, 100000]
+  LT 2: [1, 100000]
+  REQ 1: [1, 100000]
+  EQ 2: [2, 0]
+  LE 2: [2, 0]
+  EQ 0: [0, 0]
+  LT 1: [0, 0]
+  GE 0: [0, 0]
+  REQ 0: [0, 0]
+  GT 0: [1, 1]
+  GT 1: [2, 0]
+  LE 0: [0, 0]
+  REQ 2: [2, 0]
+  EQ 1: [1, 1]
+  GE 1: [1, 1]
+  GE 2: [2, 0]
+...
+too_longs
+---
+- []
+...
+s:drop()
+---
+...
+test_itr = nil test_run_itr = nil test_itrs = nil s = nil
+---
+...
+'done'
+---
+- done
+...

test/wal_off/itr_lt_gt.test.lua

+-- test for https://github.com/tarantool/tarantool/issues/769
+
+s = box.schema.create_space('test')
+i = s:create_index('primary', { type = 'TREE', parts = {1, 'num', 2, 'num'} })
+s:insert{0, 0} s:insert{2, 0}
+for i=1,100000 do s:insert{1, i} end
+test_itrs = {'EQ', 'REQ', 'GT', 'LT', 'GE', 'LE'}
+test_res = {}
+too_longs = {}
+
+--# setopt delimiter ';'
+function test_run_itr(itr, key)
+    for i=1,10000 do
+        local gen, param, state = s.index.primary:pairs({key}, {iterator = itr})
+        state, v =  gen(param, state)
+        test_res[itr .. ' ' .. key] = v
+    end
+end;
+
+function test_itr(itr, key)
+    local t = os.time()
+    test_run_itr(itr, key)
+    if os.time() - t > 1 then
+        table.insert(too_longs, 'Too long ' .. itr .. ' ' .. key)
+    end
+end;
+
+for _,itr in pairs(test_itrs) do
+    for key = 0,2 do
+        test_itr(itr, key)
+    end
+end;
+--# setopt delimiter ''
+
+test_res
+too_longs
+s:drop()
+test_itr = nil test_run_itr = nil test_itrs = nil s = nil
+'done'