From c34e84d7f3a1cb9aa85008645ff71a19d60671f8 Mon Sep 17 00:00:00 2001
From: pacien
Date: Mon, 3 Dec 2018 22:21:36 +0100
Subject: add lzss block test

---
 tests/blocks/tlzssblock.nim | 48 +++++++++++++++++++++++++++++++++++++++++++++
 tests/blocks/trawblock.nim  |  2 +-
 tests/tests.nim             |  2 +-
 3 files changed, 50 insertions(+), 2 deletions(-)
 create mode 100644 tests/blocks/tlzssblock.nim

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()
diff --git a/tests/blocks/trawblock.nim b/tests/blocks/trawblock.nim
index 2426899..550f772 100644
--- a/tests/blocks/trawblock.nim
+++ b/tests/blocks/trawblock.nim
@@ -44,7 +44,7 @@ suite "rawblock":
     serialisedStream.write(0xFEDC_BA98_7654_3210'u64)
     serialisedStream.setPosition(0)
     let serialisedBitReader = serialisedStream.bitReader()
-    let rawBlock = rawBlock.readSerialised(serialisedBitReader)
+    let rawBlock = rawblock.readSerialised(serialisedBitReader)
 
     let outputStream = newStringStream()
     defer: outputStream.close()
diff --git a/tests/tests.nim b/tests/tests.nim
index 23b6e1c..7d09347 100644
--- a/tests/tests.nim
+++ b/tests/tests.nim
@@ -36,7 +36,7 @@ import
   lzsshuffman/tlzsshuffmandecoder,
 
   blocks/trawblock,
-  # TODO: add lzssblock test
+  blocks/tlzssblock,
   blocks/streamblock,
 
   gziplike/tgziplike
-- 
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