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), [ NUL ])
# 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_SOS_Basic(self):
esccmd.SOS()
escio.Write("xyz")
escio.Write(ST)
escio.Write("A")
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), ["A" + NUL * 2])
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 test_VPR_IgnoresOriginMode(self):
"""VPR continues to work in origin mode."""
# Set a scroll region.
esccmd.DECSTBM(6, 11)
esccmd.DECSET(esccmd.DECLRMM)
esccmd.DECSLRM(5, 10)
# Enter origin mode
esccmd.DECSET(esccmd.DECOM)
# Move to center of region
esccmd.CUP(Point(2, 2))
escio.Write('X')
# Move down by 2
esccmd.VPR(2)
escio.Write('Y')
# Exit origin mode
esccmd.DECRESET(esccmd.DECOM)
# Reset margins
esccmd.DECSET(esccmd.DECLRMM)
esccmd.DECSTBM()
# See what happened
AssertScreenCharsInRectEqual(Rect(6, 7, 7, 9),
['X' + NUL, NUL * 2, NUL + 'Y'])
def test_LF_MovesDoesNotScrollOutsideLeftRight(self):
"""Cursor moves down but won't scroll when outside left-right region."""
esccmd.DECSTBM(2, 5)
esccmd.DECSET(esccmd.DECLRMM)
esccmd.DECSLRM(2, 5)
esccmd.CUP(Point(3, 5))
escio.Write("x")
# Move past bottom margin but to the right of the left-right region
esccmd.CUP(Point(6, 5))
escio.Write(LF)
# Cursor won't pass bottom or scroll.
AssertEQ(GetCursorPosition(), Point(6, 5))
AssertScreenCharsInRectEqual(Rect(3, 5, 3, 5), ["x"])
# Try to move past the bottom of the screen but to the right of the left-right region
height = GetScreenSize().height()
esccmd.CUP(Point(6, height))
escio.Write(LF)
AssertEQ(GetCursorPosition(), Point(6, height))
AssertScreenCharsInRectEqual(Rect(3, 5, 3, 5), ["x"])
# Move past bottom margin but to the left of the left-right region
esccmd.CUP(Point(1, 5))
escio.Write(LF)
AssertEQ(GetCursorPosition(), Point(1, 5))
AssertScreenCharsInRectEqual(Rect(3, 5, 3, 5), ["x"])
# Try to move past the bottom of the screen but to the left of the left-right region
height = GetScreenSize().height()
esccmd.CUP(Point(1, height))
escio.Write(LF)
AssertEQ(GetCursorPosition(), Point(1, height))
AssertScreenCharsInRectEqual(Rect(3, 5, 3, 5), ["x"])
def test_HPR_IgnoresOriginMode(self):
"""HPR continues to work in origin mode."""
# Set a scroll region.
esccmd.DECSTBM(6, 11)
esccmd.DECSET(esccmd.DECLRMM)
esccmd.DECSLRM(5, 10)
# Enter origin mode
esccmd.DECSET(esccmd.DECOM)
# Move to center of region
esccmd.CUP(Point(2, 2))
escio.Write('X')
# Move right by 2
esccmd.HPR(2)
escio.Write('Y')
# Exit origin mode
esccmd.DECRESET(esccmd.DECOM)
# Reset margins
esccmd.DECSET(esccmd.DECLRMM)
esccmd.DECSTBM()
# See what happened
AssertScreenCharsInRectEqual(Rect(5, 7, 9, 7), [empty() + "X" + empty() * 2 + "Y"])
def test_TBC_Default(self): """No param clears the tab stop at the cursor.""" escio.Write(TAB) AssertEQ(GetCursorPosition().x(), 9) esccmd.TBC() esccmd.CUP(Point(1, 1)) escio.Write(TAB) AssertEQ(GetCursorPosition().x(), 17)
def test_TBC_0(object):
"""0 param clears the tab stop at the cursor."""
escio.Write(TAB)
AssertEQ(GetCursorPosition().x(), 9)
esccmd.TBC(0)
esccmd.CUP(Point(1, 1))
escio.Write(TAB)
AssertEQ(GetCursorPosition().x(), 17)
def test_PM_Basic(self):
esccmd.PM()
escio.Write("xyz")
escio.Write(ST)
escio.Write("A")
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1),
["A" + empty() * 2])
def test_DECSEL_doesNotRespectISOProtect(self):
"""DECSEL does not respect ISO protection."""
escio.Write("a")
esccmd.SPA()
escio.Write("b")
esccmd.EPA()
esccmd.DECSEL(2)
AssertScreenCharsInRectEqual(Rect(1, 1, 2, 1), [blank() * 2])
def test_DECSTBM_NewlineBelowRegion(self):
"""A newline below the region has no effect on the region."""
esccmd.DECSTBM(2, 3)
esccmd.CUP(Point(1, 2))
escio.Write("1" + CR + LF)
escio.Write("2")
esccmd.CUP(Point(1, 4))
escio.Write(CR + LF)
AssertScreenCharsInRectEqual(Rect(1, 2, 1, 3), ["1", "2"])
def test_S8C1T_DCS(self):
esccmd.DECSTBM(5, 6)
escio.use8BitControls = True
escio.Write(S8C1T)
esccmd.DECRQSS("r")
result = escio.ReadDCS()
escio.Write(S7C1T)
escio.use8BitControls = False
AssertEQ(result, "1$r5;6r")
def test_DECSET_DECAWM_TabDoesNotWrapAround(self):
"""In auto-wrap mode, tabs to not wrap to the next line."""
esccmd.DECSET(esccmd.DECAWM)
size = GetScreenSize()
for _ in xrange(size.width() / 8 + 2):
escio.Write(TAB)
AssertEQ(GetCursorPosition().x(), size.width())
AssertEQ(GetCursorPosition().y(), 1)
escio.Write("X")
def test_BS_CursorStartsInDoWrapPosition(self):
"""Cursor is right of right edge of screen."""
size = GetScreenSize()
esccmd.CUP(Point(size.width() - 1, 1))
escio.Write("ab")
escio.Write(esc.BS)
escio.Write("X")
AssertScreenCharsInRectEqual(
Rect(size.width() - 1, 1, size.width(), 1), ["Xb"])
def test_DECSET_ResetReverseWraparoundDisablesIt(self):
"""DECRESET of reverse wraparound prevents it from happening."""
# iTerm2 turns reverse wraparound on by default, while xterm does not.
esccmd.DECRESET(esccmd.ReverseWraparound)
esccmd.DECSET(esccmd.DECAWM)
esccmd.CUP(Point(GetScreenSize().width() - 1, 1))
escio.Write("abc")
escio.Write(BS * 5)
AssertEQ(GetCursorPosition().x(), 1)
def test_DECSET_ReverseWraparound_RequiresDECAWM(self):
"""Reverse wraparound only works if DECAWM is set."""
# iTerm2 turns reverse wraparound on by default, while xterm does not.
esccmd.CUP(Point(GetScreenSize().width() - 1, 1))
escio.Write("abc")
esccmd.DECSET(esccmd.ReverseWraparound)
esccmd.DECRESET(esccmd.DECAWM)
escio.Write(BS * 5)
AssertEQ(GetCursorPosition().x(), 1)
def test_DECSTBM_TopOfZeroIsTopOfScreen(self):
"""A zero value for the top arg gives the top of the screen."""
esccmd.DECSTBM(0, 3)
esccmd.CUP(Point(1, 2))
escio.Write("1" + CR + LF)
escio.Write("2" + CR + LF)
escio.Write("3" + CR + LF)
escio.Write("4")
AssertScreenCharsInRectEqual(Rect(1, 1, 1, 3), ["2", "3", "4"])
def test_ECH_doesNotRespectDECPRotection(self):
"""ECH should not respect DECSCA."""
escio.Write("a")
escio.Write("b")
esccmd.DECSCA(1)
escio.Write("c")
esccmd.DECSCA(0)
esccmd.CUP(Point(1, 1))
esccmd.ECH(3)
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), [blank() * 3])
def test_EL_respectsISOProtection(self):
"""EL respects SPA/EPA."""
escio.Write("a")
escio.Write("b")
esccmd.SPA()
escio.Write("c")
esccmd.EPA()
esccmd.CUP(Point(1, 1))
esccmd.EL(2)
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), [blank() * 2 + "c"])
def test_EL_doesNotRespectDECProtection(self):
"""EL respects DECSCA."""
escio.Write("a")
escio.Write("b")
esccmd.DECSCA(1)
escio.Write("c")
esccmd.DECSCA(0)
esccmd.CUP(Point(1, 1))
esccmd.EL(2)
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), [empty() * 3])
def test_ED_doesNotRespectDECProtection(self):
"""ED should not respect DECSCA"""
escio.Write("a")
escio.Write("b")
esccmd.DECSCA(1)
escio.Write("c")
esccmd.DECSCA(0)
esccmd.CUP(Point(1, 1))
esccmd.ED(0)
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), [empty() * 3])
def test_DECSTBM_ScrollsOnNewline(self):
"""Define a top-bottom margin, put text in it, and have newline scroll it."""
esccmd.DECSTBM(2, 3)
esccmd.CUP(Point(1, 2))
escio.Write("1" + CR + LF)
escio.Write("2")
AssertScreenCharsInRectEqual(Rect(1, 2, 1, 3), ["1", "2"])
escio.Write(CR + LF)
AssertScreenCharsInRectEqual(Rect(1, 2, 1, 3), ["2", NUL])
AssertEQ(GetCursorPosition().y(), 3)
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_DECID_8bit(self):
escio.use8BitControls = True
escio.Write(S8C1T)
esccmd.DECID()
params = escio.ReadCSI("c", expected_prefix="?")
AssertTrue(len(params) > 0)
escio.Write(S7C1T)
escio.use8BitControls = False
def doAltBuftest(self, code, altGetsClearedBeforeToMain, cursorSaved, movesCursorOnEnter=False):
"""|code| is the code to test with, either 47 or 1047."""
# Scribble in main screen
escio.Write("abc" + CR + LF + "abc")
# Switch from main to alt. Cursor should not move. If |cursorSaved| is set,
# record the position first to verify that it's restored after DECRESET.
if cursorSaved:
mainCursorPosition = GetCursorPosition()
before = GetCursorPosition()
esccmd.DECSET(code)
after = GetCursorPosition()
if not movesCursorOnEnter:
# 1049 moves the cursor on enter
AssertEQ(before.x(), after.x())
AssertEQ(before.y(), after.y())
# Scribble in alt screen, clearing it first since who knows what might have
# been there.
esccmd.ED(2)
esccmd.CUP(Point(1, 2))
escio.Write("def" + CR +LF + "def")
# Make sure abc is gone
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 3), [empty() * 3, "def", "def"])
# Switch to main. Cursor should not move.
before = GetCursorPosition()
esccmd.DECRESET(code)
after = GetCursorPosition()
if cursorSaved:
AssertEQ(mainCursorPosition.x(), after.x())
AssertEQ(mainCursorPosition.y(), after.y())
else:
AssertEQ(before.x(), after.x())
AssertEQ(before.y(), after.y())
# def should be gone, abc should be back.
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 3), ["abc", "abc", empty() * 3])
# Switch to alt
before = GetCursorPosition()
esccmd.DECSET(code)
after = GetCursorPosition()
if not movesCursorOnEnter:
# 1049 moves the cursor on enter
AssertEQ(before.x(), after.x())
AssertEQ(before.y(), after.y())
if altGetsClearedBeforeToMain:
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 3), [empty() * 3, empty() * 3, empty() * 3])
else:
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 3), [empty() * 3, "def", "def"])
def test_SGR_Bold(self):
"""Tests bold."""
escio.Write("x")
esccmd.SGR(esccmd.SGR_BOLD)
escio.Write("y")
AssertCharHasSGR(Point(1, 1),
[esccmd.SGR_FG_DEFAULT, esccmd.SGR_BG_DEFAULT],
[esccmd.SGR_BOLD])
AssertCharHasSGR(
Point(2, 1),
[esccmd.SGR_FG_DEFAULT, esccmd.SGR_BG_DEFAULT, esccmd.SGR_BOLD])
def test_VT_ScrollsInTopBottomRegionStartingWithin(self):
"""VT scrolls when it hits the bottom region (starting within region)."""
esccmd.DECSTBM(4, 5)
esccmd.CUP(Point(2, 5))
escio.Write("x")
esccmd.CUP(Point(2, 4))
escio.Write(VT)
escio.Write(VT)
AssertEQ(GetCursorPosition(), Point(2, 5))
AssertScreenCharsInRectEqual(Rect(2, 4, 2, 5), ["x", NUL])
def test_PM_8bit(self):
escio.use8BitControls = True
escio.Write(S8C1T)
esccmd.PM()
escio.Write("xyz")
escio.Write(ST)
escio.Write("A")
escio.Write(S7C1T)
escio.use8BitControls = False
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), ["A" + empty() * 2])
def test_RIS_ExitAltScreen(self):
escio.Write("m")
esccmd.DECSET(esccmd.ALTBUF)
esccmd.CUP(Point(1, 1))
escio.Write("a")
esccmd.RIS()
AssertScreenCharsInRectEqual(Rect(1, 1, 1, 1), [empty()])
esccmd.DECSET(esccmd.ALTBUF)
AssertScreenCharsInRectEqual(Rect(1, 1, 1, 1), ["a"])
def test_CR_MovesToLeftMarginWhenLeftOfLeftMarginInOriginMode(self):
"""In origin mode, always go to the left margin, even if the cursor starts left of it."""
esccmd.DECSET(esccmd.DECLRMM)
esccmd.DECSLRM(5, 10)
esccmd.DECSET(esccmd.DECOM)
esccmd.CUP(Point(4, 1))
escio.Write(esc.CR)
esccmd.DECRESET(esccmd.DECLRMM)
escio.Write("x")
esccmd.DECRESET(esccmd.DECOM)
AssertScreenCharsInRectEqual(Rect(5, 1, 5, 1), ["x"])
