diff --git a/tests/test_gep.py b/tests/test_gep.py
new file mode 100644
index 0000000..58c3e84
--- /dev/null
+++ b/tests/test_gep.py
@@ -0,0 +1,32 @@
+from conftest import GDBSession
+
+
+def test_autosuggestion(gdb_session: GDBSession) -> None:
+    gdb_session.send_literal("print 12\n")
+    gdb_session.clear_pane()
+    gdb_session.send_literal("print 34\n")
+    gdb_session.clear_pane()
+
+    # the autosuggestion should not be shown when no match
+    gdb_session.send_literal("print x")
+    assert b"(gdb) print x" == gdb_session.capture_pane()
+
+    # make buffer to "print "
+    gdb_session.send_key("BSpace")
+    gdb_session.send_key("BSpace")
+    gdb_session.send_literal(" ")
+    # match "print 34"
+    assert b"(gdb) print 34" == gdb_session.capture_pane()  # TODO: there is no color
+    # accept the suggestion
+    gdb_session.send_key("Right")
+    assert b"(gdb) print 34" == gdb_session.capture_pane()
+
+    # make buffer to "print 1"
+    gdb_session.send_key("BSpace")
+    gdb_session.send_key("BSpace")
+    gdb_session.send_literal("1")
+    # match "print 12"
+    assert b"(gdb) print 12" == gdb_session.capture_pane()  # TODO: there is no color
+    # accept the suggestion
+    gdb_session.send_key("Right")
+    assert b"(gdb) print 12" == gdb_session.capture_pane()