1 files changed, 24 insertions, 0 deletions
diff --git a/tests/int/tunsigned64mod.nim b/tests/int/tunsigned64mod.nim
new file mode 100644
index 000000000..ca3286df3
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+++ b/tests/int/tunsigned64mod.nim
@@ -0,0 +1,24 @@
+
+# bug #1638
+
+let v1 = 7
+let v2 = 7'u64
+
+let t1 = v1 mod 2 # works
+let t2 = 7'u64 mod 2'u64 # works
+let t3 = v2 mod 2'u64 # Error: invalid type: 'range 0..1(uint64)
+let t4 = (v2 mod 2'u64).uint64 # works
+
+# bug #2550
+
+var x: uint # doesn't work
+doAssert x mod 2 == 0
+
+var y: uint64 # doesn't work
+doAssert y mod 2 == 0
+
+var z: uint32 # works
+doAssert z mod 2 == 0
+
+var a: int # works
+doAssert a mod 2 == 0