tests for SU and SD

1 files changed, 26 insertions, 0 deletions

diff --git a/t/csi_test.py b/t/csi_test.py
index 0f1951e..7f020a2 100644
--- a/t/csi_test.py
+++ b/t/csi_test.py
@@ -223,3 +223,29 @@ class CSITest(VT100Test):
         self.process("\033[500M")
         assert self.vt.get_string_plaintext(0, 0, 500, 500) == ("\n" * 24)
         assert self.vt.cursor_pos() == (3, 12)
+
+    def test_scroll(self):
+        assert self.vt.get_string_plaintext(0, 0, 500, 500) == ("\n" * 24)
+
+        self.process("1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n7\r\n8\r\n9\r\n10\r\n11\r\n12\r\n13\r\n14\r\n15\r\n16\r\n17\r\n18\r\n19\r\n20\r\n21\r\n22\r\n23\r\n24")
+        assert self.vt.get_string_plaintext(0, 0, 500, 500) == "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n24\n"
+
+        self.process("\033[15;15H")
+        assert self.vt.cursor_pos() == (14, 14)
+
+        self.vt.process("\033[S")
+        print(self.vt.get_string_plaintext(0, 0, 500, 500).replace('\n', '\\n'))
+        assert self.vt.get_string_plaintext(0, 0, 500, 500) == "2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n24\n\n"
+        assert self.vt.cursor_pos() == (14, 14)
+
+        self.vt.process("\033[3S")
+        assert self.vt.get_string_plaintext(0, 0, 500, 500) == "5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n24\n\n\n\n\n"
+        assert self.vt.cursor_pos() == (14, 14)
+
+        self.vt.process("\033[T")
+        assert self.vt.get_string_plaintext(0, 0, 500, 500) == "\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n23\n24\n\n\n\n"
+        assert self.vt.cursor_pos() == (14, 14)
+
+        self.vt.process("\033[5T")
+        assert self.vt.get_string_plaintext(0, 0, 500, 500) == "\n\n\n\n\n\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15\n16\n17\n18\n19\n20\n21\n22\n"
+        assert self.vt.cursor_pos() == (14, 14)