isolate bit IO

7 files changed, 74 insertions, 91 deletions

diff --git a/tests/tbitreader.nim b/tests/tbitio.nim
index 294f6c9..0391974 100644
--- a/tests/tbitreader.nim
+++ b/tests/tbitio.nim
@@ -15,7 +15,8 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import unittest, streams, sugar, sequtils
-import integers, bitreader
+import integers
+import bitio/bitreader, bitio/bitwriter
 
 suite "bitreader":
   test "readBool":
@@ -82,3 +83,70 @@ suite "bitreader":
     check bitReader.readSeq(32, uint16) == (32, @[0xF0F0'u16, 0xF0F0])
     check bitReader.readSeq(40, uint8) == (32, @[0xFF'u8, 0xF0, 0x00, 0x0F])
     check bitReader.atEnd()
+
+suite "bitwriter":
+  test "flush":
+    let stream = newStringStream()
+    defer: stream.close()
+    let bitWriter = stream.bitWriter()
+
+    bitWriter.writeBool(true)
+    stream.setPosition(0)
+    expect IOError: discard stream.peekUint8()
+  
+    bitWriter.flush()
+    stream.setPosition(0)
+    check stream.readUint8() == 0x01'u8
+    check stream.atEnd()
+
+    bitWriter.flush()
+    check stream.atEnd()
+
+  test "writeBool":
+    let stream = newStringStream()
+    defer: stream.close()
+
+    let bitWriter = stream.bitWriter()
+    let booleanValues = @[
+      true, true, true, true, true, false, false, true,
+      false, false, false, false, false, true, true, false,
+      true, true, false, true]
+    for b in booleanValues: bitWriter.writeBool(b)
+    bitWriter.flush()
+
+    stream.setPosition(0)
+    check stream.readUint8() == 0b1001_1111'u8
+    check stream.readUint8() == 0b0110_0000'u8
+    check stream.readUint8() == 0b0000_1011'u8
+    expect IOError: discard stream.readUint8()
+    check stream.atEnd()
+
+  test "writeBits":
+    let stream = newStringStream()
+    defer: stream.close()
+
+    let bitWriter = stream.bitWriter()
+    bitWriter.writeBits(4, 0xF00F'u16)
+    bitWriter.writeBits(16, 0xF00F'u16)
+    bitWriter.writeBits(16, 0xFFFF'u16)
+    bitWriter.flush()
+
+    stream.setPosition(0)
+    check stream.readUint16() == 0x00FF'u16
+    check stream.readUint16() == 0xFFFF'u16
+    check stream.readUint8() == 0x0F'u8
+    expect IOError: discard stream.readUint8()
+    check stream.atEnd()
+
+  test "writeSeq":
+    let stream = newStringStream()
+    defer: stream.close()
+
+    let bitWriter = stream.bitWriter()
+    bitWriter.writeSeq(32, @[0xF0F0'u16, 0xF0F0])
+    bitWriter.writeSeq(28, @[0xFF'u8, 0xF0, 0x00, 0xFF])
+    bitWriter.flush()
+
+    stream.setPosition(0)
+    check stream.readUint64() == 0x0F00_F0FF_F0F0_F0F0'u64
+    check stream.atEnd()
diff --git a/tests/tbitwriter.nim b/tests/tbitwriter.nim
deleted file mode 100644
index 2c570af..0000000
--- a/tests/tbitwriter.nim
+++ /dev/null
@@ -1,85 +0,0 @@
-# gzip-like LZSS compressor
-# Copyright (C) 2018  Pacien TRAN-GIRARD
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as
-# published by the Free Software Foundation, either version 3 of the
-# License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-import unittest, streams
-import integers, bitwriter
-
-suite "bitwriter":
-  test "flush":
-    let stream = newStringStream()
-    defer: stream.close()
-    let bitWriter = stream.bitWriter()
-
-    bitWriter.writeBool(true)
-    stream.setPosition(0)
-    expect IOError: discard stream.peekUint8()
-  
-    bitWriter.flush()
-    stream.setPosition(0)
-    check stream.readUint8() == 0x01'u8
-    check stream.atEnd()
-
-    bitWriter.flush()
-    check stream.atEnd()
-
-  test "writeBool":
-    let stream = newStringStream()
-    defer: stream.close()
-
-    let bitWriter = stream.bitWriter()
-    let booleanValues = @[
-      true, true, true, true, true, false, false, true,
-      false, false, false, false, false, true, true, false,
-      true, true, false, true]
-    for b in booleanValues: bitWriter.writeBool(b)
-    bitWriter.flush()
-
-    stream.setPosition(0)
-    check stream.readUint8() == 0b1001_1111'u8
-    check stream.readUint8() == 0b0110_0000'u8
-    check stream.readUint8() == 0b0000_1011'u8
-    expect IOError: discard stream.readUint8()
-    check stream.atEnd()
-
-  test "writeBits":
-    let stream = newStringStream()
-    defer: stream.close()
-
-    let bitWriter = stream.bitWriter()
-    bitWriter.writeBits(4, 0xF00F'u16)
-    bitWriter.writeBits(16, 0xF00F'u16)
-    bitWriter.writeBits(16, 0xFFFF'u16)
-    bitWriter.flush()
-
-    stream.setPosition(0)
-    check stream.readUint16() == 0x00FF'u16
-    check stream.readUint16() == 0xFFFF'u16
-    check stream.readUint8() == 0x0F'u8
-    expect IOError: discard stream.readUint8()
-    check stream.atEnd()
-
-  test "writeSeq":
-    let stream = newStringStream()
-    defer: stream.close()
-
-    let bitWriter = stream.bitWriter()
-    bitWriter.writeSeq(32, @[0xF0F0'u16, 0xF0F0])
-    bitWriter.writeSeq(28, @[0xFF'u8, 0xF0, 0x00, 0xFF])
-    bitWriter.flush()
-
-    stream.setPosition(0)
-    check stream.readUint64() == 0x0F00_F0FF_F0F0_F0F0'u64
-    check stream.atEnd()
diff --git a/tests/thuffmandecoder.nim b/tests/thuffmandecoder.nim
index d4d81b4..9b44e9d 100644
--- a/tests/thuffmandecoder.nim
+++ b/tests/thuffmandecoder.nim
@@ -15,7 +15,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import unittest, streams
-import bitreader, bitwriter
+import bitio/bitreader, bitio/bitwriter
 import huffmantree, huffmandecoder
 
 suite "huffdecoder":
diff --git a/tests/thuffmanencoder.nim b/tests/thuffmanencoder.nim
index 04318b7..9c46eed 100644
--- a/tests/thuffmanencoder.nim
+++ b/tests/thuffmanencoder.nim
@@ -15,7 +15,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import unittest, streams, tables
-import bitreader, bitwriter
+import bitio/bitreader, bitio/bitwriter
 import huffmantree, huffmanencoder
 
 suite "huffencoder":
diff --git a/tests/thuffmantree.nim b/tests/thuffmantree.nim
index bc6a505..467fac5 100644
--- a/tests/thuffmantree.nim
+++ b/tests/thuffmantree.nim
@@ -15,7 +15,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import unittest, streams, sequtils, tables, heapqueue
-import bitreader, bitwriter, huffmantree
+import bitio/bitreader, bitio/bitwriter, huffmantree
 
 suite "huffmantree":
   let tree = huffmanBranch(
diff --git a/tests/trawblock.nim b/tests/trawblock.nim
index 2544199..0271e33 100644
--- a/tests/trawblock.nim
+++ b/tests/trawblock.nim
@@ -15,7 +15,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import unittest, streams
-import bitreader, bitwriter, rawblock
+import bitio/bitreader, bitio/bitwriter, rawblock
 
 suite "rawblock":
   test "serialise":
diff --git a/tests/tstreamblock.nim b/tests/tstreamblock.nim
index 89f69e0..57eaf3a 100644
--- a/tests/tstreamblock.nim
+++ b/tests/tstreamblock.nim
@@ -15,7 +15,7 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import unittest, streams
-import bitreader, bitwriter, streamblock
+import bitio/bitreader, bitio/bitwriter, streamblock
 
 suite "streamblock":
   test "serialise":