michael@0: // Any copyright is dedicated to the Public Domain.
michael@0: // http://creativecommons.org/licenses/publicdomain/
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 514568;
michael@0: var summary = "eval in all its myriad flavors";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: var x = 17;
michael@0: function globalX() { return x; }
michael@0: var y = 42;
michael@0: function globalY() { return y; }
michael@0: 
michael@0: var ev = eval;
michael@0: 
michael@0: function testX()
michael@0: {
michael@0:   "use strict";
michael@0: 
michael@0:   var x = 2;
michael@0:   var xcode =
michael@0:     "'use strict';" +
michael@0:     "var x = 4;" +
michael@0:     "function actX(action)" +
michael@0:     "{" +
michael@0:     "  switch (action)" +
michael@0:     "  {" +
michael@0:     "    case 'get':" +
michael@0:     "      return x;" +
michael@0:     "    case 'set1':" +
michael@0:     "      x = 9;" +
michael@0:     "      return;" +
michael@0:     "    case 'set2':" +
michael@0:     "      x = 23;" +
michael@0:     "      return;" +
michael@0:     "    case 'delete':" +
michael@0:     "      try { return eval('delete x'); }" +
michael@0:     "      catch (e) { return e.name; }" +
michael@0:     "  }" +
michael@0:     "}" +
michael@0:     "actX;";
michael@0: 
michael@0:   var local0 = x;
michael@0:   var global0 = globalX();
michael@0: 
michael@0:   var f = ev(xcode);
michael@0: 
michael@0:   var inner1 = f("get");
michael@0:   var local1 = x;
michael@0:   var global1 = globalX();
michael@0: 
michael@0:   x = 7;
michael@0:   var inner2 = f("get");
michael@0:   var local2 = x;
michael@0:   var global2 = globalX();
michael@0: 
michael@0:   f("set1");
michael@0:   var inner3 = f("get");
michael@0:   var local3 = x;
michael@0:   var global3 = globalX();
michael@0: 
michael@0:   var del = f("delete");
michael@0:   var inner4 = f("get");
michael@0:   var local4 = x;
michael@0:   var global4 = globalX();
michael@0: 
michael@0:   f("set2");
michael@0:   var inner5 = f("get");
michael@0:   var local5 = x;
michael@0:   var global5 = globalX();
michael@0: 
michael@0:   return {
michael@0:            local0: local0, global0: global0,
michael@0:            inner1: inner1, local1: local1, global1: global1,
michael@0:            inner2: inner2, local2: local2, global2: global2,
michael@0:            inner3: inner3, local3: local3, global3: global3,
michael@0:            del: del,
michael@0:            inner4: inner4, local4: local4, global4: global4,
michael@0:            inner5: inner5, local5: local5, global5: global5,
michael@0:          };
michael@0: }
michael@0: 
michael@0: var resultsX = testX();
michael@0: 
michael@0: assertEq(resultsX.local0, 2);
michael@0: assertEq(resultsX.global0, 17);
michael@0: 
michael@0: assertEq(resultsX.inner1, 4);
michael@0: assertEq(resultsX.local1, 2);
michael@0: assertEq(resultsX.global1, 17);
michael@0: 
michael@0: assertEq(resultsX.inner2, 4);
michael@0: assertEq(resultsX.local2, 7);
michael@0: assertEq(resultsX.global2, 17);
michael@0: 
michael@0: assertEq(resultsX.inner3, 9);
michael@0: assertEq(resultsX.local3, 7);
michael@0: assertEq(resultsX.global3, 17);
michael@0: 
michael@0: assertEq(resultsX.del, "SyntaxError");
michael@0: 
michael@0: assertEq(resultsX.inner4, 9);
michael@0: assertEq(resultsX.local4, 7);
michael@0: assertEq(resultsX.global4, 17);
michael@0: 
michael@0: assertEq(resultsX.inner5, 23);
michael@0: assertEq(resultsX.local5, 7);
michael@0: assertEq(resultsX.global5, 17);
michael@0: 
michael@0: 
michael@0: function testY()
michael@0: {
michael@0:   "use strict";
michael@0: 
michael@0:   var ycode =
michael@0:     "'use strict';" +
michael@0:     "var y = 5;" +
michael@0:     "function actY(action)" +
michael@0:     "{" +
michael@0:     "  switch (action)" +
michael@0:     "  {" +
michael@0:     "    case 'get':" +
michael@0:     "      return y;" +
michael@0:     "    case 'set1':" +
michael@0:     "      y = 2;" +
michael@0:     "      return;" +
michael@0:     "    case 'set2':" +
michael@0:     "      y = 71;" +
michael@0:     "      return;" +
michael@0:     "    case 'delete':" +
michael@0:     "      try { return eval('delete y'); }" +
michael@0:     "      catch (e) { return e.name; }" +
michael@0:     "  }" +
michael@0:     "}" +
michael@0:     "actY;";
michael@0: 
michael@0:   var local0 = y;
michael@0:   var global0 = globalY();
michael@0: 
michael@0:   var f = ev(ycode);
michael@0: 
michael@0:   var inner1 = f("get");
michael@0:   var local1 = y;
michael@0:   var global1 = globalY();
michael@0: 
michael@0:   y = 8;
michael@0:   var inner2 = f("get");
michael@0:   var local2 = y;
michael@0:   var global2 = globalY();
michael@0: 
michael@0:   f("set1");
michael@0:   var inner3 = f("get");
michael@0:   var local3 = y;
michael@0:   var global3 = globalY();
michael@0: 
michael@0:   var del = f("delete");
michael@0:   var inner4 = f("get");
michael@0:   var local4 = y;
michael@0:   var global4 = globalY();
michael@0: 
michael@0:   f("set2");
michael@0:   var inner5 = f("get");
michael@0:   var local5 = y;
michael@0:   var global5 = globalY();
michael@0: 
michael@0:   return {
michael@0:            local0: local0, global0: global0,
michael@0:            inner1: inner1, local1: local1, global1: global1,
michael@0:            inner2: inner2, local2: local2, global2: global2,
michael@0:            inner3: inner3, local3: local3, global3: global3,
michael@0:            del: del,
michael@0:            inner4: inner4, local4: local4, global4: global4,
michael@0:            inner5: inner5, local5: local5, global5: global5,
michael@0:          };
michael@0: }
michael@0: 
michael@0: var resultsY = testY();
michael@0: 
michael@0: assertEq(resultsY.local0, 42);
michael@0: assertEq(resultsY.global0, 42);
michael@0: 
michael@0: assertEq(resultsY.inner1, 5);
michael@0: assertEq(resultsY.local1, 42);
michael@0: assertEq(resultsY.global1, 42);
michael@0: 
michael@0: assertEq(resultsY.inner2, 5);
michael@0: assertEq(resultsY.local2, 8);
michael@0: assertEq(resultsY.global2, 8);
michael@0: 
michael@0: assertEq(resultsY.inner3, 2);
michael@0: assertEq(resultsY.local3, 8);
michael@0: assertEq(resultsY.global3, 8);
michael@0: 
michael@0: assertEq(resultsY.del, "SyntaxError");
michael@0: 
michael@0: assertEq(resultsY.inner4, 2);
michael@0: assertEq(resultsY.local4, 8);
michael@0: assertEq(resultsY.global4, 8);
michael@0: 
michael@0: assertEq(resultsY.inner5, 71);
michael@0: assertEq(resultsY.local5, 8);
michael@0: assertEq(resultsY.global5, 8);
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("Tests complete!");