1 files changed, 116 insertions, 0 deletions
diff --git a/tests/controlflow/tcontrolflow.nim b/tests/controlflow/tcontrolflow.nim
new file mode 100644
index 000000000..dd21a2bb6
--- /dev/null
+++ b/tests/controlflow/tcontrolflow.nim
@@ -0,0 +1,116 @@
+discard """
+  output: '''
+10
+true true
+true false
+false true
+false false
+i == 2
+'''
+"""
+
+
+block tbreak:
+  var
+    x = false
+    run = true
+
+  while run:
+    run = false
+    block myblock:
+      if true:
+        break myblock
+      echo "leaving myblock"
+    x = true
+  doAssert(x)
+
+  # bug #1418
+  iterator foo: int =
+    for x in 0 .. 9:
+      for y in [10,20,30,40,50,60,70,80,90]:
+        yield x + y
+
+  for p in foo():
+    echo p
+    break
+
+  iterator permutations: int =
+    yield 10
+
+  for p in permutations():
+    break
+
+  # regression:
+  proc main =
+    for x in [true, false]:
+      for y in [true, false]:
+        echo x, " ", y
+
+  main()
+
+
+
+block tcontinue:
+  var i = 0
+  while i < 400:
+
+    if i == 10: break
+    elif i == 3:
+      inc i
+      continue
+    inc i
+
+  var f = "failure"
+  var j = 0
+  while j < 300:
+    for x in 0..34:
+      if j < 300: continue
+      if x == 10:
+        echo "failure: should never happen"
+        break
+    f = "came here"
+    break
+
+  if i == 10:
+    doAssert f == "came here"
+  else:
+    echo "failure"
+
+
+
+block tnestif:
+  var
+      x, y: int
+  x = 2
+  if x == 0:
+      write(stdout, "i == 0")
+      if y == 0:
+          writeLine(stdout, x)
+      else:
+          writeLine(stdout, y)
+  elif x == 1:
+      writeLine(stdout, "i == 1")
+  elif x == 2:
+      writeLine(stdout, "i == 2")
+  else:
+      writeLine(stdout, "looks like Python")
+  #OUT i == 2
+
+# bug https://github.com/nim-lang/RFCs/issues/451
+for i in 1..2: # works
+  break
+
+block: # works
+  for i in 1..2:
+    break
+
+block: # works
+  block:
+    discard 12 + 3
+  for i in 1..2:
+    break
+
+block named: # works
+  if true:
+    break named
+  doAssert false, "not reached"