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: 
michael@0: var ev = eval;
michael@0: 
michael@0: var xcode =
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: 
michael@0: var f = ev(xcode);
michael@0: 
michael@0: var inner1 = f("get");
michael@0: var local1 = x;
michael@0: 
michael@0: x = 7;
michael@0: var inner2 = f("get");
michael@0: var local2 = x;
michael@0: 
michael@0: f("set1");
michael@0: var inner3 = f("get");
michael@0: var local3 = x;
michael@0: 
michael@0: var del = f("delete");
michael@0: var inner4 = f("get");
michael@0: var local4 = x;
michael@0: 
michael@0: f("set2");
michael@0: var inner5 = f("get");
michael@0: var local5 = x;
michael@0: 
michael@0: var resultsX =
michael@0:   {
michael@0:      local0: local0,
michael@0:      inner1: inner1, local1: local1,
michael@0:      inner2: inner2, local2: local2,
michael@0:      inner3: inner3, local3: local3,
michael@0:      del: del,
michael@0:      inner4: inner4, local4: local4,
michael@0:      inner5: inner5, local5: local5,
michael@0:    };
michael@0: 
michael@0: assertEq(resultsX.local0, 17);
michael@0: 
michael@0: assertEq(resultsX.inner1, 4);
michael@0: assertEq(resultsX.local1, 4);
michael@0: 
michael@0: assertEq(resultsX.inner2, 7);
michael@0: assertEq(resultsX.local2, 7);
michael@0: 
michael@0: assertEq(resultsX.inner3, 9);
michael@0: assertEq(resultsX.local3, 9);
michael@0: 
michael@0: assertEq(resultsX.del, false);
michael@0: 
michael@0: assertEq(resultsX.inner4, 9);
michael@0: assertEq(resultsX.local4, 9);
michael@0: 
michael@0: assertEq(resultsX.inner5, 23);
michael@0: assertEq(resultsX.local5, 23);
michael@0: 
michael@0: 
michael@0: var ycode =
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: try { var local0 = y; } catch (e) { local0 = e.name; }
michael@0: 
michael@0: var f = ev(ycode);
michael@0: 
michael@0: var inner1 = f("get");
michael@0: var local1 = y;
michael@0: 
michael@0: y = 8;
michael@0: var inner2 = f("get");
michael@0: var local2 = y;
michael@0: 
michael@0: f("set1");
michael@0: var inner3 = f("get");
michael@0: var local3 = y;
michael@0: 
michael@0: var del = f("delete");
michael@0: try { var inner4 = f("get"); } catch (e) { inner4 = e.name; }
michael@0: try { var local4 = y; } catch (e) { local4 = e.name; }
michael@0: 
michael@0: f("set2");
michael@0: try { var inner5 = f("get"); } catch (e) { inner5 = e.name; }
michael@0: try { var local5 = y; } catch (e) { local5 = e.name; }
michael@0: 
michael@0: var resultsY =
michael@0:   {
michael@0:     local0: local0,
michael@0:     inner1: inner1, local1: local1,
michael@0:     inner2: inner2, local2: local2,
michael@0:     inner3: inner3, local3: local3,
michael@0:     del: del,
michael@0:     inner4: inner4, local4: local4,
michael@0:     inner5: inner5, local5: local5,
michael@0:   };
michael@0: 
michael@0: assertEq(resultsY.local0, "ReferenceError");
michael@0: 
michael@0: assertEq(resultsY.inner1, 5);
michael@0: assertEq(resultsY.local1, 5);
michael@0: 
michael@0: assertEq(resultsY.inner2, 8);
michael@0: assertEq(resultsY.local2, 8);
michael@0: 
michael@0: assertEq(resultsY.inner3, 2);
michael@0: assertEq(resultsY.local3, 2);
michael@0: 
michael@0: assertEq(resultsY.del, true);
michael@0: 
michael@0: assertEq(resultsY.inner4, "ReferenceError");
michael@0: assertEq(resultsY.local4, "ReferenceError");
michael@0: 
michael@0: assertEq(resultsY.inner5, 71);
michael@0: assertEq(resultsY.local5, 71);
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("Tests complete!");