upgraded bytearray's test (added testing new bytearray functions and views/viewers)

dev/tests/bytearray.lua

@@ -34,3 +34,67 @@ arr:insert(2, {5, 6})
 assert(arr[#arr] == 25)
 assert(arr[2] == 5)
 assert(arr[3] == 6)
+
+-- =============================
+
+local arr2 = Bytearray({254, 255, 255, 255, 255, 255, 255, 255})
+--assert(U64view(arr2)[1] == 2 ^ 64 - 2)
+assert(I64view(arr2)[1] == -2)
+assert(U32view(arr2)[1] == 2 ^ 32 - 2)
+assert(I32view(arr2)[1] == -2)
+assert(U16view(arr2)[1] == 2 ^ 16 - 2)
+assert(I16view(arr2)[1] == -2)
+assert(I8view(arr2)[1] == -2)
+
+assert(I8view(arr2)[2] == -1)
+assert(I32view(arr2)[2] == -1)
+
+local arr3 = Bytearray({0xFF, 0x7F})
+local arr3i16 = I16view(arr3)
+local arr3u16 = U16view(arr3)
+assert(arr3i16[1] == 32767)
+
+arr3u16[1] = arr3u16[1] + 1
+assert(arr3i16[1] == -32768)
+assert(arr3u16[1] == 32768)
+
+local arr4 = Bytearray({0x9A, 0x99, 0x59, 0x40}) -- approx. equal 3.4 in hexadecimal representation of single-precision float number.
+local arr4flt = FLTview(arr4)
+local arr4u32 = U32view(arr4)
+assert(arr4flt[1] == 3.4000000953674316)
+assert(arr4u32[1] == 0x4059999A)
+
+arr4flt[1] = arr4flt[1] + 0.1
+assert(arr4flt[1] == 3.5)
+assert(arr4u32[1] == 0x40600000) -- hexadecimal representation of 3.5 single-precision float number.
+
+-- =============================================
+
+function barrtostr(barr)
+    local outstr = ""
+    for i = 1, #barr do
+        local lastfmt = ""
+        if i ~= #barr then lastfmt = "|" end
+        outstr = outstr .. barr[i] .. lastfmt
+    end
+    return outstr
+end
+
+local arr5 = Bytearray({0, 5, 34, 87, 21, 0, 210})
+assert(barrtostr(arr5) == "0|5|34|87|21|0|210")
+arr5:move(2, 3, 4)
+assert(barrtostr(arr5) == "0|5|5|34|87|21|210")
+
+local arr6 = Bytearray({1, 2, 3, 4, 6, 7, 8})
+assert(barrtostr(arr6) == "1|2|3|4|6|7|8")
+arr5:copy(4, arr6, 2, 3)
+assert(barrtostr(arr6) == "1|34|87|21|6|7|8")
+
+arr5:fill(nil, nil, 192)
+assert(barrtostr(arr5) == "192|192|192|192|192|192|192")
+arr5:fill(nil, 3, 233)
+assert(barrtostr(arr5) == "233|233|233|233|233|233|233")
+arr5:fill(2, nil, 254)
+assert(barrtostr(arr5) == "254|254|254|254|254|254|254")
+arr5:fill(2, 2, 66)
+assert(barrtostr(arr5) == "254|66|66|254|254|254|254")