def doModifiableAnsiTest(self, mode):
before = self.requestAnsiMode(mode)
if before[1] == 2:
esccmd.SM(mode)
AssertEQ(self.requestAnsiMode(mode), [mode, 1])
esccmd.RM(mode)
AssertEQ(self.requestAnsiMode(mode), [mode, 2])
else:
esccmd.RM(mode)
AssertEQ(self.requestAnsiMode(mode), [mode, 2])
esccmd.SM(mode)
AssertEQ(self.requestAnsiMode(mode), [mode, 1])
def test_DECSCL_RISOnChange(self):
"""DECSCL should do an RIS. RIS does a lot, so we'll just test a few
things. This may not be true for VT220's, though, to quote the xterm code:
VT300, VT420, VT520 manuals claim that DECSCL does a
hard reset (RIS). VT220 manual states that it is a soft
reset. Perhaps both are right (unlikely). Kermit says
it's soft.
So that's why this test is for vt level 3 and up."""
escio.Write("x")
# Set saved cursor position
esccmd.CUP(Point(5, 6))
esccmd.DECSC()
# Turn on insert mode
esccmd.SM(esccmd.IRM)
esccmd.DECSCL(61)
AssertScreenCharsInRectEqual(Rect(1, 1, 1, 1), [empty()])
# Ensure saved cursor position is the origin
esccmd.DECRC()
AssertEQ(GetCursorPosition(), Point(1, 1))
# Ensure replace mode is on
esccmd.CUP(Point(1, 1))
escio.Write("a")
esccmd.CUP(Point(1, 1))
escio.Write("b")
AssertScreenCharsInRectEqual(Rect(1, 1, 1, 1), ["b"])
def test_SM_IRM(self):
"""Turn on insert mode."""
escio.Write("abc")
esccmd.CUP(Point(1, 1))
esccmd.SM(esccmd.IRM)
escio.Write("X")
AssertScreenCharsInRectEqual(Rect(1, 1, 4, 1), ["Xabc"])
def doLinefeedModeTest(self, code):
esccmd.RM(esccmd.LNM)
esccmd.CUP(Point(5, 1))
escio.Write(code)
AssertEQ(GetCursorPosition(), Point(5, 2))
esccmd.SM(esccmd.LNM)
esccmd.CUP(Point(5, 1))
escio.Write(code)
AssertEQ(GetCursorPosition(), Point(1, 2))
def test_RM_IRM(self):
# First turn on insert mode
esccmd.SM(esccmd.IRM)
esccmd.CUP(Point(1, 1))
escio.Write("X")
esccmd.CUP(Point(1, 1))
escio.Write("W")
# Now turn on replace mode
esccmd.CUP(Point(1, 1))
esccmd.RM(esccmd.IRM)
escio.Write("YZ")
AssertScreenCharsInRectEqual(Rect(1, 1, 2, 1), ["YZ"])
def test_DECSTR_IRM(self):
# Turn on insert mode
esccmd.SM(esccmd.IRM)
# Perform soft reset
esccmd.DECSTR()
# Ensure replace mode is on
esccmd.CUP(Point(1, 1))
escio.Write("a")
esccmd.CUP(Point(1, 1))
escio.Write("b")
AssertScreenCharsInRectEqual(Rect(1, 1, 1, 1), ["b"])
def test_SM_IRM_DoesNotWrapUnlessCursorAtMargin(self):
"""Insert mode does not cause wrapping."""
size = GetScreenSize()
escio.Write("a" * (size.width() - 1))
escio.Write("b")
esccmd.CUP(Point(1, 1))
esccmd.SM(esccmd.IRM)
AssertScreenCharsInRectEqual(Rect(1, 2, 1, 2), [empty()])
escio.Write("X")
AssertScreenCharsInRectEqual(Rect(1, 2, 1, 2), [empty()])
esccmd.CUP(Point(size.width(), 1))
escio.Write("YZ")
AssertScreenCharsInRectEqual(Rect(1, 2, 1, 2), ["Z"])
def test_SaveRestoreCursor_InsertNotAffected(self):
# Turn on insert and save
esccmd.SM(esccmd.IRM)
self.saveCursor()
# Turn off insert and restore. Restore should turn insert on.
esccmd.RM(esccmd.IRM)
self.restoreCursor()
# See if insert is still off
esccmd.CUP(Point(1, 1))
escio.Write("a")
esccmd.CUP(Point(1, 1))
escio.Write("b")
AssertScreenCharsInRectEqual(Rect(1, 1, 2, 1), ["b" + empty()])
def test_SM_IRM_TruncatesAtRightMargin(self):
"""When a left-right margin is set, insert truncates the line at the right margin."""
esccmd.CUP(Point(5, 1))
escio.Write("abcdef")
esccmd.DECSET(esccmd.DECLRMM)
esccmd.DECSLRM(5, 10)
esccmd.CUP(Point(7, 1))
esccmd.SM(esccmd.IRM)
escio.Write("X")
esccmd.DECRESET(esccmd.DECLRMM)
AssertScreenCharsInRectEqual(Rect(5, 1, 11, 1), ["abXcde" + empty()])