1 files changed, 26 insertions, 2 deletions

diff --git a/tests/tbitio.nim b/tests/tbitio.nim
index 0391974..91b9cbf 100644
--- a/tests/tbitio.nim
+++ b/tests/tbitio.nim
@@ -15,8 +15,32 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import unittest, streams, sugar, sequtils
-import integers
-import bitio/bitreader, bitio/bitwriter
+import bitio/integers, bitio/bitreader, bitio/bitwriter
+
+suite "integers":
+  test "Round-up integer division":
+    check 42 /^ 2 == 21
+    check 43 /^ 2 == 22
+
+  test "truncateToUint8":
+    check truncateToUint8(0xFA'u8) == 0xFA'u8
+    check truncateToUint8(0x00FA'u16) == 0xFA'u8
+    check truncateToUint8(0xFFFA'u16) == 0xFA'u8
+
+  test "bitLength":
+    check bitLength(0b1_1111) == 5
+    check bitLength(0b1000_0000) == 8
+
+  test "leastSignificantBits":
+    check leastSignificantBits(0xFF'u8, 3) == 0b0000_0111'u8
+    check leastSignificantBits(0b0001_0101'u8, 3) == 0b0000_0101'u8
+    check leastSignificantBits(0xFF'u8, 10) == 0xFF'u8
+    check leastSignificantBits(0xFFFF'u16, 16) == 0xFFFF'u16
+    check leastSignificantBits(0xFFFF'u16, 8) == 0x00FF'u16
+
+  test "chunks iterator":
+    check toSeq(chunks(70, uint32)) == @[(0, 32), (1, 32), (2, 6)]
+    check toSeq(chunks(32, uint16)) == @[(0, 16), (1, 16)]
 
 suite "bitreader":
   test "readBool":