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 = 616294;
michael@0: var summary =
michael@0:   "|delete x| inside a function in eval code, where that eval code includes " +
michael@0:   "|var x| at top level, actually does delete the binding for x";
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: var f;
michael@0: 
michael@0: function testOuterVar()
michael@0: {
michael@0:   return eval("var x; (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterVar();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testOuterFunction()
michael@0: {
michael@0:   return eval("function x() { } (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterFunction();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testOuterForVar()
michael@0: {
michael@0:   return eval("for (var x; false; ); (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterForVar();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testOuterForInVar()
michael@0: {
michael@0:   return eval("for (var x in {}); (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterForInVar();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testOuterNestedVar()
michael@0: {
michael@0:   return eval("for (var q = 0; q < 5; q++) { var x; } (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterNestedVar();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testOuterNestedConditionalVar()
michael@0: {
michael@0:   return eval("for (var q = 0; q < 5; q++) { if (false) { var x; } } (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterNestedConditionalVar();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testVarInWith()
michael@0: {
michael@0:   return eval("with ({}) { var x; } (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testVarInWith();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testForVarInWith()
michael@0: {
michael@0:   return eval("with ({}) { for (var x = 0; x < 5; x++); } (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testForVarInWith();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testForInVarInWith()
michael@0: {
michael@0:   return eval("with ({}) { for (var x in {}); } (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testForInVarInWith();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testUnknown()
michael@0: {
michael@0:   return eval("nameToDelete = 17; (function() { return delete nameToDelete; })");
michael@0: }
michael@0: 
michael@0: f = testUnknown();
michael@0: 
michael@0: assertEq(f(), true); // configurable global property, so remove => true
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testArgumentShadow()
michael@0: {
michael@0:   return eval("var x; (function(x) { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testArgumentShadow();
michael@0: 
michael@0: assertEq(f(), false); // non-configurable argument => false
michael@0: 
michael@0: 
michael@0: function testArgument()
michael@0: {
michael@0:   return eval("(function(x) { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testArgument();
michael@0: 
michael@0: assertEq(f(), false); // non-configurable argument => false
michael@0: 
michael@0: 
michael@0: function testFunctionLocal()
michael@0: {
michael@0:   return eval("(function() { var x; return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testFunctionLocal();
michael@0: 
michael@0: assertEq(f(), false); // defined by function code => not configurable => false
michael@0: 
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("All tests passed!");