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 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
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 *       notice, this list of conditions and the following disclaimer.
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 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Ajax.org B.V. nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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if (typeof process !== "undefined") {
    require("amd-loader");
}

define(function(require, exports, module) {
"use strict";

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

var requirejs = require('../r');
var Compiler = requirejs('../lib/Compiler').Compiler;

module.exports = {
    
    name: "Unused variables",
    
    "test: simple flwor": function() {
      var code = "for $i in (1 to 10)\nreturn $i";
      var compiler = new Compiler();
      var sctx = compiler.compile(code);
      var markers = sctx.markers;
      assert.equal(markers.length, 0);
    },
    
    "test: simple flwor with unused let": function() {
      var code = "for $i in (1 to 10)\nlet $a := $i\nreturn $i";
      var compiler = new Compiler();
      var sctx = compiler.compile(code);
      var markers = sctx.markers;
      assert.equal(markers.length, 1);
      var marker = markers[0];
      assert.equal(marker.pos.sl, 1);
      assert.equal(marker.pos.sc, 4);
      assert.equal(marker.pos.el, 1);
      assert.equal(marker.pos.ec, 12);
      assert.equal(marker.type, "warning");
      assert.equal(marker.level, "warning");
      assert.equal(marker.message, "$a: unused variable.");
    }

};
});

if (typeof module !== "undefined" && module === require.main) {
    require("asyncjs").test.testcase(module.exports).exec()
}

@@ -2846,17 +2846,705 @@
 );%0A    %7D
-%0A
+,%0A    %0A    %22test: complex flwor with unused let%22: function() %7B%0A      var code = %22let $a := 1%5Cnlet $b := $a%5Cnlet $b := $b + 1%5Cnlet $b := 2%5Cnreturn $b%22;%0A      var compiler = new Compiler();%0A      var sctx = compiler.compile(code);%0A      var markers = sctx.markers;%0A      assert.equal(markers.length, 1);%0A      var marker = markers%5B0%5D;%0A      assert.equal(marker.pos.sl, 2);%0A    %7D,%0A%0A    %22test: complex flwor with no unused var%22: function() %7B%0A      var code = %22let $items := ()%5Cnlet $item := $items%5B1%5D%5Cnlet $item := $item%5Cnreturn $item%22;%0A      var compiler = new Compiler();%0A      var sctx = compiler.compile(code);%0A      var markers = sctx.markers;%0A      assert.equal(markers.length, 0);%0A    %7D
 %0A%7D;%0A%7D);%0A

Add buggy test cases.