too_short: {
    beautify = {
        max_line_len: 10,
    }
    input: {
        function f(a) {
            return { c: 42, d: a(), e: "foo"};
        }
    }
    expect_exact: [
        "function f(",
        "a){return{",
        "c:42,d:a(",
        '),e:"foo"}',
        "}",
    ]
    expect_warnings: [
        "WARN: Output exceeds 10 characters",
    ]
}

just_enough: {
    beautify = {
        max_line_len: 14,
    }
    input: {
        function f(a) {
            return { c: 42, d: a(), e: "foo"};
        }
    }
    expect_exact: [
        "function f(a){",
        "return{c:42,",
        'd:a(),e:"foo"}',
        "}",
    ]
    expect_warnings: []
}

issue_304: {
    beautify = {
        max_line_len: 10,
    }
    input: {
        var a = 0, b = 0, c = 0, d = 0, e = 0;
    }
    expect_exact: [
        "var a=0,",
        "b=0,c=0,",
        "d=0,e=0;",
    ]
    expect_warnings: []
}
witch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=9cde566b9cd84c999c0074c906928e2cbef1ef30'>refs</a><a class='active' href='/guix/log/nix/libstore/builtins.hh'>log</a><a href='/guix/tree/nix/libstore/builtins.hh?id=9cde566b9cd84c999c0074c906928e2cbef1ef30'>tree</a><a href='/guix/commit/nix/libstore/builtins.hh?id=9cde566b9cd84c999c0074c906928e2cbef1ef30'>commit</a><a href='/guix/diff/nix/libstore/builtins.hh?id=9cde566b9cd84c999c0074c906928e2cbef1ef30'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/nix/libstore/builtins.hh'>
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<div class='path'>path: <a href='/guix/log/?id=9cde566b9cd84c999c0074c906928e2cbef1ef30'>root</a>/<a href='/guix/log/nix?id=9cde566b9cd84c999c0074c906928e2cbef1ef30'>nix</a>/<a href='/guix/log/nix/libstore?id=9cde566b9cd84c999c0074c906928e2cbef1ef30'>libstore</a>/<a href='/guix/log/nix/libstore/builtins.hh?id=9cde566b9cd84c999c0074c906928e2cbef1ef30'>builtins.hh</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/nix/libstore/builtins.hh?id=9cde566b9cd84c999c0074c906928e2cbef1ef30&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>