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Tests for L{twisted.internet.base}.
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        If L{socket.gethostbyname} does not complete before the specified
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        The string representation of a L{DelayedCall} instance, as returned by
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        For two instances of L{DelayedCall} C{a} and C{b}, C{a < b} is true
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        For two instances of L{DelayedCall} C{a} and C{b}, C{a <= b} is true
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        For two instances of L{DelayedCall} C{a} and C{b}, C{a > b} is true
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        For two instances of L{DelayedCall} C{a} and C{b}, C{a > b} is true
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        A L{DelayedCall} instance is only equal to itself.
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        A L{DelayedCall} instance is not equal to any other object.
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