1 files changed, 30 insertions, 0 deletions
diff --git a/tests/test_irc_formatter.py b/tests/test_irc_formatter.py
new file mode 100644
index 0000000..c930166
--- /dev/null
+++ b/tests/test_irc_formatter.py
@@ -0,0 +1,30 @@
+"""
+    Pygments IRC formatter tests
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from io import StringIO
+
+from pygments.lexers import PythonLexer
+from pygments.formatters import IRCFormatter
+
+tokensource = list(PythonLexer().get_tokens("lambda x: 123"))
+newlinetokensource = list(PythonLexer().get_tokens("from \\\n\\\n    os import  path\n"))
+
+def test_correct_output():
+    hfmt = IRCFormatter()
+    houtfile = StringIO()
+    hfmt.format(tokensource, houtfile)
+
+    assert '\x0302lambda\x03 x: \x0302123\x03\n' == houtfile.getvalue()
+
+def test_linecount_output():
+    hfmt = IRCFormatter(linenos = True)
+    houtfile = StringIO()
+    hfmt.format(newlinetokensource, houtfile)
+
+    expected_out = '0001: \x0302from\x03 \\\n0002: \\\n0003:     \x1d\x0310os\x03\x1d \x0302import\x03  path\n0004: '
+    assert expected_out == houtfile.getvalue()