Added safe implicit conversion of uint8 to int16..int64, uint16 to int32..int64 etc.

Added two new tests for unsigned conversions and comparisons between signed numbers.

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/misc/tunsignedconv.nim b/tests/misc/tunsignedconv.nim
new file mode 100644
index 000000000..547bc92ca
--- /dev/null
+++ b/tests/misc/tunsignedconv.nim
@@ -0,0 +1,52 @@
+discard """
+  output: ''''''
+"""
+
+import unsigned
+
+# Tests unsigned literals and implicit conversion between uints and ints
+# Passes if it compiles
+
+var h8:uint8 = 128
+var h16:uint16 = 32768
+var h32:uint32 = 2147483648'u32
+var h64:uint64 = 9223372036854775808'u64
+var foobar:uint64 = 9223372036854775813'u64 # Issue 728
+
+var v8:uint8 = 10
+var v16:uint16 = 10
+var v32:uint32 = 10
+var v64:uint64 = 10
+
+var a8:int = v8 + 10
+var a16:int = v16 + 10
+# var a32:int = v32 + 10
+# var a64:int = v64 + 10
+
+var d8  = v8 + 10'i8
+var d16 = v8 + 10'i16
+var d32 = v8 + 10'i32
+# var d64 = v8 + 10'i64
+
+var f8  = v16 + 10'i8
+var f16 = v16 + 10'i16
+var f32 = v16 + 10'i32
+# var f64 = v16 + 10'i64
+
+var g8  = v32 + 10'i8
+var g16 = v32 + 10'i16
+var g32 = v32 + 10'i32
+# var g64 = v32 + 10'i64
+
+# var n8  = v64 + 10'i8
+# var n16 = v64 + 10'i16
+# var n32 = v64 + 10'i32
+# var n64 = v64 + 10'i64
+
+var ar: array[0..20, int]
+var n8 = ar[v8]
+var n16 = ar[v16]
+var n32 = ar[v32]
+var n64 = ar[v64]
+
+