1 files changed, 137 insertions, 0 deletions
diff --git a/tests/collections/ttablesref.nim b/tests/collections/ttablesref.nim
new file mode 100644
index 000000000..e666c7852
--- /dev/null
+++ b/tests/collections/ttablesref.nim
@@ -0,0 +1,137 @@
+discard """
+  output: '''true'''
+"""
+
+import hashes, tables
+
+const
+  data = {
+    "34": 123456, "12": 789,
+    "90": 343, "0": 34404,
+    "1": 344004, "2": 344774,
+    "3": 342244, "4": 3412344,
+    "5": 341232144, "6": 34214544,
+    "7": 3434544, "8": 344544,
+    "9": 34435644, "---00": 346677844,
+    "10": 34484, "11": 34474, "19": 34464,
+    "20": 34454, "30": 34141244, "40": 344114,
+    "50": 344490, "60": 344491, "70": 344492,
+    "80": 344497}
+
+  sorteddata = {
+    "---00": 346677844,
+    "0": 34404,
+    "1": 344004,
+    "10": 34484, 
+    "11": 34474,
+    "12": 789,
+    "19": 34464,
+    "2": 344774, "20": 34454, 
+    "3": 342244, "30": 34141244,
+    "34": 123456,
+    "4": 3412344, "40": 344114,
+    "5": 341232144, "50": 344490, 
+    "6": 34214544, "60": 344491,
+    "7": 3434544, "70": 344492,
+    "8": 344544, "80": 344497,
+    "9": 34435644,
+    "90": 343}
+
+block tableTest1:
+  var t = newTable[tuple[x, y: int], string]()
+  t[(0,0)] = "00"
+  t[(1,0)] = "10"
+  t[(0,1)] = "01"
+  t[(1,1)] = "11"
+  for x in 0..1:
+    for y in 0..1:
+      assert t[(x,y)] == $x & $y
+  assert($t == 
+    "{(x: 0, y: 0): 00, (x: 0, y: 1): 01, (x: 1, y: 0): 10, (x: 1, y: 1): 11}")
+
+block tableTest2:
+  var t = newTable[string, float]()
+  t["test"] = 1.2345
+  t["111"] = 1.000043
+  t["123"] = 1.23
+  t.del("111")
+  
+  t["012"] = 67.9
+  t["123"] = 1.5 # test overwriting
+  
+  assert t["123"] == 1.5
+  assert t["111"] == 0.0 # deleted
+  assert(not hasKey(t, "111"))
+  
+  for key, val in items(data): t[key] = val.toFloat
+  for key, val in items(data): assert t[key] == val.toFloat
+  
+
+block orderedTableTest1:
+  var t = newOrderedTable[string, int](2)
+  for key, val in items(data): t[key] = val
+  for key, val in items(data): assert t[key] == val
+  var i = 0
+  # `pairs` needs to yield in insertion order:
+  for key, val in pairs(t):
+    assert key == data[i][0]
+    assert val == data[i][1]
+    inc(i)
+
+  for key, val in mpairs(t): val = 99
+  for val in mvalues(t): assert val == 99
+
+block countTableTest1:
+  var s = data.toTable
+  var t = newCountTable[string]()
+  for k in s.keys: t.inc(k)
+  for k in t.keys: assert t[k] == 1
+  t.inc("90", 3)
+  t.inc("12", 2)
+  t.inc("34", 1)
+  assert t.largest()[0] == "90"
+
+  t.sort()
+  var i = 0
+  for k, v in t.pairs:
+    case i
+    of 0: assert k == "90" and v == 4
+    of 1: assert k == "12" and v == 3
+    of 2: assert k == "34" and v == 2
+    else: break
+    inc i
+
+block SyntaxTest:
+  var x = newTable[int, string]({:})
+
+block nilTest:
+  var i, j: PTable[int, int] = nil
+  assert i == j
+  j = newTable[int, int]()
+  assert i != j
+  assert j != i
+  i = newTable[int, int]()
+  assert i == j
+
+proc orderedTableSortTest() =
+  var t = newOrderedTable[string, int](2)
+  for key, val in items(data): t[key] = val
+  for key, val in items(data): assert t[key] == val
+  t.sort(proc (x, y: tuple[key: string, val: int]): int = cmp(x.key, y.key))
+  var i = 0
+  # `pairs` needs to yield in sorted order:
+  for key, val in pairs(t):
+    doAssert key == sorteddata[i][0]
+    doAssert val == sorteddata[i][1]
+    inc(i)
+
+  # check that lookup still works:
+  for key, val in pairs(t):
+    doAssert val == t[key]
+  # check that insert still works:
+  t["newKeyHere"] = 80
+
+
+orderedTableSortTest()
+echo "true"
+