var assert = require("assert");
var UglifyJS = require("../..");

describe("arguments", function() {
    it("Should known that arguments in functions are local scoped", function() {
        var ast = UglifyJS.parse("var arguments; var f = function() {arguments.length}");
        ast.figure_out_scope();
        // Test scope of `var arguments`
        assert.strictEqual(ast.find_variable("arguments").global, true);
        // Select arguments symbol in function
        var symbol = ast.body[1].definitions[0].value.find_variable("arguments");
        assert.strictEqual(symbol.global, false);
        assert.strictEqual(symbol.scope, ast. // From ast
            body[1]. // Select 2nd statement (equals to `var f ...`)
            definitions[0]. // First definition of selected statement
            value // Select function as scope
        );
    });

    it("Should recognize when a function uses arguments", function() {
        var ast = UglifyJS.parse("function a(){function b(){function c(){}; return arguments[0];}}");
        ast.figure_out_scope();
        assert.strictEqual(ast.body[0].uses_arguments, false);
        assert.strictEqual(ast.body[0].body[0].uses_arguments, true);
        assert.strictEqual(ast.body[0].body[0].body[0].uses_arguments, false);
    });
});
9eba62616e37468fc630eb7a1b58ac'>tree</a><a href='/guix/commit/CODE-OF-CONDUCT?id=c48fa0ad329eba62616e37468fc630eb7a1b58ac'>commit</a><a href='/guix/diff/CODE-OF-CONDUCT?id=c48fa0ad329eba62616e37468fc630eb7a1b58ac'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/CODE-OF-CONDUCT'>
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<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=c48fa0ad329eba62616e37468fc630eb7a1b58ac'>root</a>/<a href='/guix/log/CODE-OF-CONDUCT?id=c48fa0ad329eba62616e37468fc630eb7a1b58ac'>CODE-OF-CONDUCT</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/CODE-OF-CONDUCT?id=c48fa0ad329eba62616e37468fc630eb7a1b58ac&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2016-04-04 23:45:57 +0200'>2016-04-04</span></td><td><a href='/guix/commit/CODE-OF-CONDUCT?id=e314ce1bd7b21229c750ab7132feac8189da87ba'>CoC: Clarify which project we're talking about.</a><span class='msg-avail'>...<span class='msg-tooltip'>* CODE-OF-CONDUCT: Define "project" and "project maintainer" as
suggested by rms.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-12-09 14:29:41 +0100'>2015-12-09</span></td><td><a href='/guix/commit/CODE-OF-CONDUCT?id=e15fcdd149cec662fcaf4b550ee32879bd53a591'>Add "Contributor Covenant".</a><span class='msg-avail'>...<span class='msg-tooltip'>* CODE-OF-CONDUCT: New file, adapted from
  &lt;http://contributor-covenant.org/version/1/3/0/code_of_conduct.txt&gt;.
* doc/contributing.texi (Contributing): Mention it.
* Makefile.am (EXTRA_DIST): Add it.
</span></span></td><td>Ludovic Courtès</td></tr>
4511dc73eb04bdebe8d82c9a0386338e'>tests: Fix checks for expected failures.</a><span class='msg-avail'>...<span class='msg-tooltip'>Addresses &lt;https://issues.guix.gnu.org/62406&gt;.

With 'set -e', a return status inverted with '!' does not cause the shell to
exit immediately.  Instead use '&amp;&amp; false' to indicate an expected failure.

* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh,
tests/guix-environment-container.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-home.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh, tests/guix-refresh.sh, tests/guix-shell.sh,
tests/guix-style.sh, tests/guix-system.sh: Replace uses of '! ...' with
'... &amp;&amp; false' or `test ! ...` as appropriate.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Eric Bavier</td></tr>