1 files changed, 49 insertions, 0 deletions
diff --git a/tests/stdlib/tsetutils.nim b/tests/stdlib/tsetutils.nim
new file mode 100644
index 000000000..c8498f23e
--- /dev/null
+++ b/tests/stdlib/tsetutils.nim
@@ -0,0 +1,49 @@
+discard """
+  matrix: "--mm:refc; --mm:orc"
+  targets: "c js"
+"""
+
+import std/setutils
+import std/assertions
+
+type 
+  Colors = enum
+    red, green = 5, blue = 10
+  Bar = enum
+    bar0 = -1, bar1, bar2
+
+template main =
+  block: # toSet
+    doAssert "abcbb".toSet == {'a', 'b', 'c'}
+    doAssert toSet([10u8, 12, 13]) == {10u8, 12, 13}
+    doAssert toSet(0u16..30) == {0u16..30}
+    type A = distinct char
+    doAssert [A('x')].toSet == {A('x')}
+
+  block: # fullSet
+    doAssert fullSet(Colors) == {red, green, blue}
+    doAssert fullSet(char) == {0.chr..255.chr}
+    doAssert fullSet(Bar) == {bar0, bar1, bar2}
+    doAssert fullSet(bool) == {true, false}
+
+  block: # complement
+    doAssert {red, blue}.complement == {green}
+    doAssert (complement {red, green, blue}).card == 0
+    doAssert (complement {false}) == {true}
+    doAssert {bar0}.complement == {bar1, bar2}
+    doAssert {range[0..10](0), 1, 2, 3}.complement == {range[0..10](4), 5, 6, 7, 8, 9, 10}
+    doAssert {'0'..'9'}.complement == {0.char..255.char} - {'0'..'9'}
+
+  block: # `[]=`
+    type A = enum
+      a0, a1, a2, a3
+    var s = {a0, a3}
+    s[a0] = false
+    s[a1] = false
+    doAssert s == {a3}
+    s[a2] = true
+    s[a3] = true
+    doAssert s == {a2, a3}
+
+main()
+static: main()