def test_ECH_respectsISOProtection(self):
"""ECH respects SPA/EPA."""
escio.Write("a")
escio.Write("b")
esccmd.SPA()
escio.Write("c")
esccmd.EPA()
esccmd.CUP(Point(1, 1))
esccmd.ECH(3)
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), [blank() * 2 + "c"])
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_ECH_OutsideScrollRegion(self):
"""ECH ignores the scroll region when the cursor is outside it"""
escio.Write("abcdefg")
esccmd.DECSET(esccmd.DECLRMM)
esccmd.DECSLRM(2, 4)
esccmd.CUP(Point(1, 1))
esccmd.ECH(4)
esccmd.DECRESET(esccmd.DECLRMM)
AssertScreenCharsInRectEqual(Rect(1, 1, 7, 1), [blank() * 4 + "efg"])
def test_S8C1T_SPA_EPA(self):
"""There is no test for SPA and EPA (it's in the erasure tests, like
DECSED) so the test for 8 bit controls goes here."""
escio.use8BitControls = True
escio.Write(S8C1T)
escio.Write("a")
escio.Write("b")
esccmd.SPA()
escio.Write("c")
esccmd.EPA()
escio.Write(S7C1T)
escio.use8BitControls = False
esccmd.CUP(Point(1, 1))
esccmd.ECH(3)
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), [blank() * 2 + "c"])
def test_ECH_DefaultParam(self):
"""Should erase the character under the cursor."""
escio.Write("abc")
esccmd.CUP(Point(1, 1))
esccmd.ECH()
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), [blank() + "bc"])
def test_ECH_ExplicitParam(self):
"""Should erase N characters starting at the cursor."""
escio.Write("abc")
esccmd.CUP(Point(1, 1))
esccmd.ECH(2)
AssertScreenCharsInRectEqual(Rect(1, 1, 3, 1), [blank() * 2 + "c"])