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from textual._line_split import line_split
def test_split_string_to_lines_and_endings():
# Test with different line endings
assert line_split("Hello\r\nWorld\n") == [("Hello", "\r\n"), ("World", "\n")]
assert line_split("Hello\rWorld\r\n") == [("Hello", "\r"), ("World", "\r\n")]
assert line_split("Hello\nWorld\r") == [("Hello", "\n"), ("World", "\r")]
# Test with no line endings
assert line_split("Hello World") == [("Hello World", "")]
# Test with empty string
assert line_split("") == []
# Test with multiple lines having same line endings
assert line_split("Hello\nWorld\nHow\nAre\nYou\n") == [
("Hello", "\n"),
("World", "\n"),
("How", "\n"),
("Are", "\n"),
("You", "\n"),
]
# Test with a single character
assert line_split("a") == [("a", "")]
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