1 files changed, 44 insertions, 0 deletions
diff --git a/tests/stdlib/twith.nim b/tests/stdlib/twith.nim
new file mode 100644
index 000000000..ceadbe7bf
--- /dev/null
+++ b/tests/stdlib/twith.nim
@@ -0,0 +1,44 @@
+discard """
+  matrix: "--mm:refc; --mm:orc"
+"""
+
+import std/with
+import std/[assertions, formatfloat]
+
+type
+  Foo = object
+    col, pos: string
+    name: string
+
+proc setColor(f: var Foo; r, g, b: int) = f.col = $(r, g, b)
+proc setPosition(f: var Foo; x, y: float) = f.pos = $(x, y)
+
+var f: Foo
+with(f, setColor(2, 3, 4), setPosition(0.0, 1.0))
+doAssert f.col == "(2, 3, 4)"
+doAssert f.pos == "(0.0, 1.0)"
+
+f = Foo()
+with f:
+  col = $(2, 3, 4)
+  pos = $(0.0, 1.0)
+  _.name = "bar"
+doAssert f.col == "(2, 3, 4)"
+doAssert f.pos == "(0.0, 1.0)"
+doAssert f.name == "bar"
+
+type
+  Baz* = object
+    a*, b*: int
+  Bar* = object
+    x*: int
+    baz*: Baz
+
+var bar: Bar
+with bar:
+  x = 1
+  with baz:
+    a = 2
+
+doAssert bar.x == 1
+doAssert bar.baz.a == 2