NaN_and_Infinity_must_have_parens: {
    options = {};
    input: {
        Infinity.toString();
        NaN.toString();
    }
    expect: {
        (1/0).toString();
        NaN.toString();         // transformation to 0/0 dropped
    }
}

NaN_and_Infinity_should_not_be_replaced_when_they_are_redefined: {
    options = {};
    input: {
        var Infinity, NaN;
        Infinity.toString();
        NaN.toString();
    }
    expect: {
        var Infinity, NaN;
        Infinity.toString();
        NaN.toString();
    }
}
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<div class='path'>path: <a href='/guix/log/?id=575dbab74622ee8304827b98865a26225145e22a'>root</a>/<a href='/guix/log/tests?id=575dbab74622ee8304827b98865a26225145e22a'>tests</a>/<a href='/guix/log/tests/status.scm?id=575dbab74622ee8304827b98865a26225145e22a'>status.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/status.scm?id=575dbab74622ee8304827b98865a26225145e22a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-06-26 23:19:14 +0200'>2022-06-26</span></td><td><a href='/guix/commit/tests/status.scm?id=f99f00fc814a3e1a3e1cedb5059c896e3303677c'>status: Relay "updating substitutes" messages.</a><span class='msg-avail'>...<span class='msg-tooltip'>Until now, those messages would be accumulated and displayed all at
once, when a '\n' was finally emitted by 'guix substitute'.  In the
meantime, clients would remain silent.

* guix/status.scm (bytevector-index): Change 'number' parameter to
'numbers' and adjust accordingly.
(build-event-output-port): Pass both #\newline and #\return to
'bytevector-index'.
* tests/status.scm ("build-output-port, daemon messages with LF"): New
test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-06-26 23:19:13 +0200'>2022-06-26</span></td><td><a href='/guix/commit/tests/status.scm?id=c31605b58228dbd10c819311a17341a22c9e5118'>status: Change tests from SRFI-11 to SRFI-71.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/status.scm: Use SRFI-71 'let' instead of SRFI-11 'let-values'.
</span></span></td><td>Ludovic Courtès</td></tr>