10 files changed, 136 insertions, 0 deletions
diff --git a/tests/global/a_module.nim b/tests/global/a_module.nim
new file mode 100644
index 000000000..1d3f4848c
--- /dev/null
+++ b/tests/global/a_module.nim
@@ -0,0 +1,6 @@
+# a.nim
+{.push stackTrace: off.}
+proc foo*(): int =
+  var a {.global.} = 0
+  result = a
+{.pop.}
\ No newline at end of file
diff --git a/tests/global/globalaux.nim b/tests/global/globalaux.nim
new file mode 100644
index 000000000..951472695
--- /dev/null
+++ b/tests/global/globalaux.nim
@@ -0,0 +1,15 @@
+type
+  TObj*[T] = object
+    val*: T
+
+var
+  totalGlobals* = 0
+
+proc makeObj[T](x: T): TObj[T] =
+  totalGlobals += 1
+  result.val = x
+
+proc globalInstance*[T]: var TObj[T] =
+  var g {.global.} = when T is int: makeObj(10) else: makeObj("hello")
+  result = g
+
diff --git a/tests/global/globalaux2.nim b/tests/global/globalaux2.nim
new file mode 100644
index 000000000..6c77f1f48
--- /dev/null
+++ b/tests/global/globalaux2.nim
@@ -0,0 +1,4 @@
+import globalaux
+
+echo "in globalaux2: ", globalInstance[int]().val
+
diff --git a/tests/global/t15005.nim b/tests/global/t15005.nim
new file mode 100644
index 000000000..6395b1dde
--- /dev/null
+++ b/tests/global/t15005.nim
@@ -0,0 +1,18 @@
+type
+  T = ref object
+    data: string
+
+template foo(): T =
+  var a15005 {.global.}: T
+  once:
+    a15005 = T(data: "hi")
+
+  a15005
+
+proc test() =
+  var b15005 = foo()
+
+  doAssert b15005.data == "hi"
+
+test()
+test()
diff --git a/tests/global/t21896.nim b/tests/global/t21896.nim
new file mode 100644
index 000000000..c7765c4dd
--- /dev/null
+++ b/tests/global/t21896.nim
@@ -0,0 +1,9 @@
+discard """
+  errormsg: "cannot assign local to global variable"
+  line: 7
+"""
+
+proc example(a:int) =
+  let b {.global.} = a
+
+example(1)
diff --git a/tests/global/t3505.nim b/tests/global/t3505.nim
new file mode 100644
index 000000000..437a02ae6
--- /dev/null
+++ b/tests/global/t3505.nim
@@ -0,0 +1,41 @@
+discard """
+cmd: "nim check $options --hints:off $file"
+action: "reject"
+nimout: '''
+t3505.nim(22, 22) Error: cannot assign local to global variable
+t3505.nim(31, 28) Error: cannot assign local to global variable
+t3505.nim(39, 29) Error: cannot assign local to global variable
+
+
+
+
+'''
+"""
+
+
+
+
+
+
+proc foo =
+  let a = 0
+  var b {.global.} = a
+foo()
+
+# issue #5132
+proc initX(it: float): int = 8
+proc initX2(it: int): int = it
+
+proc main() =
+  var f: float
+  var x {.global.} = initX2(initX(f))
+  
+main()
+
+# issue #20866
+proc foo2() =
+  iterator bar() {.closure.} =
+    discard
+  var g {.global.} = rawProc(bar)
+
+foo2()
\ No newline at end of file
diff --git a/tests/global/t5958.nim b/tests/global/t5958.nim
new file mode 100644
index 000000000..9b7642363
--- /dev/null
+++ b/tests/global/t5958.nim
@@ -0,0 +1,9 @@
+discard """
+  errormsg: "undeclared identifier: 'a'"
+  line: 9
+"""
+
+static:
+  var a = 1
+
+echo a
diff --git a/tests/global/tglobal.nim b/tests/global/tglobal.nim
new file mode 100644
index 000000000..d44a62afc
--- /dev/null
+++ b/tests/global/tglobal.nim
@@ -0,0 +1,16 @@
+discard """
+  output: "in globalaux2: 10\ntotal globals: 2\nint value: 100\nstring value: second"
+  disabled: "true"
+"""
+
+import globalaux, globalaux2
+
+echo "total globals: ", totalGlobals
+
+globalInstance[int]().val = 100
+echo "int value: ", globalInstance[int]().val
+
+globalInstance[string]().val = "first"
+globalInstance[string]().val = "second"
+echo "string value: ", globalInstance[string]().val
+
diff --git a/tests/global/tglobal2.nim b/tests/global/tglobal2.nim
new file mode 100644
index 000000000..73a575bbd
--- /dev/null
+++ b/tests/global/tglobal2.nim
@@ -0,0 +1,9 @@
+# b.nim
+import a_module
+doAssert foo() == 0
+
+proc hello(x: type) =
+  var s {.global.} = default(x)
+  doAssert s == 0
+
+hello(int)
diff --git a/tests/global/tglobalforvar.nim b/tests/global/tglobalforvar.nim
new file mode 100644
index 000000000..bc18f33f2
--- /dev/null
+++ b/tests/global/tglobalforvar.nim
@@ -0,0 +1,9 @@
+discard """
+output: 100
+"""
+
+var funcs: seq[proc (): int {.nimcall.}] = @[]
+for i in 0..10:
+  funcs.add((proc (): int = return i * i))
+
+echo(funcs[3]())