1 files changed, 48 insertions, 0 deletions

diff --git a/tests/blocks/tlzssblock.nim b/tests/blocks/tlzssblock.nim
new file mode 100644
index 0000000..3cf6d57
--- /dev/null
+++ b/tests/blocks/tlzssblock.nim
@@ -0,0 +1,48 @@
+# 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 bitio/bitreader, bitio/bitwriter, blocks/lzssblock
+
+suite "lzssblock":
+  test "identity":
+    let value = 0xFEDC_BA98_7654_3210'u64
+    let rawStream = newStringStream()
+    defer: rawStream.close()
+    rawStream.write(value)
+    rawStream.setPosition(0)
+    let rawBitReader = rawStream.bitReader()
+    let rawBlock = lzssblock.readRaw(rawBitReader)
+
+    let serialisedStream = newStringStream()
+    defer: serialisedStream.close()
+    let serialisedBitWriter = serialisedStream.bitWriter()
+    rawBlock.writeSerialisedTo(serialisedBitWriter)
+    serialisedBitWriter.flush()
+
+    serialisedStream.setPosition(0)
+    let serialisedBitReader = serialisedStream.bitReader()
+    let lzssBlock = lzssblock.readSerialised(serialisedBitReader)
+
+    let outputStream = newStringStream()
+    defer: outputStream.close()
+    let outputBitWriter = outputStream.bitWriter()
+    rawBlock.writeRawTo(outputBitWriter)
+    outputBitWriter.flush()
+
+    outputStream.setPosition(0)
+    check outputStream.readUint64 == value
+    check outputStream.atEnd()