1 files changed, 62 insertions, 0 deletions
diff --git a/tests/zsubpacket.js b/tests/zsubpacket.js
new file mode 100755
index 0000000..eaf1624
--- /dev/null
+++ b/tests/zsubpacket.js
@@ -0,0 +1,62 @@
+#!/usr/bin/env node
+
+"use strict";
+
+const tape = require('blue-tape');
+
+const testhelp = require('./lib/testhelp');
+
+global.Zmodem = require('./lib/zmodem');
+
+var zdle = new Zmodem.ZDLE( { escape_ctrl_chars: true } );
+
+tape('build, encode, parse', function(t) {
+    let content = [1, 2, 3, 4];
+
+    ["end_ack", "no_end_ack", "end_no_ack", "no_end_no_ack"].forEach( end => {
+        var header = Zmodem.Subpacket.build( content, end );
+
+        t.deepEquals(
+            header.get_payload(),
+            content,
+            `${end}: get_payload()`
+        );
+
+        t.is(
+            header.frame_end(),
+            !/no_end/.test(end),
+            `${end}: frame_end()`
+        );
+
+        t.is(
+            header.ack_expected(),
+            !/no_ack/.test(end),
+            `${end}: ack_expected()`
+        );
+
+        [16, 32].forEach( crclen => {
+            var encoded = header["encode" + crclen](zdle);
+            var parsed = Zmodem.Subpacket["parse" + crclen](encoded);
+
+            t.deepEquals(
+                parsed.get_payload(),
+                content,
+                `${end}, CRC${crclen} rount-trip: get_payload()`
+            );
+
+            t.is(
+                parsed.frame_end(),
+                header.frame_end(),
+                `${end}, CRC${crclen} rount-trip: frame_end()`
+            );
+
+            t.is(
+                parsed.ack_expected(),
+                header.ack_expected(),
+                `${end}, CRC${crclen} rount-trip: ack_expected()`
+            );
+        } );
+    } );
+
+    t.end();
+} );