michael@0: // |reftest| fails -- bug 604301, at a minimum
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 testOuterLet()
michael@0: {
michael@0:   return eval("let x; (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterLet();
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 testOuterForLet()
michael@0: {
michael@0:   return eval("for (let x; false; ); (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterForLet();
michael@0: 
michael@0: assertEq(f(), true); // not there => true (only non-configurable => false)
michael@0: 
michael@0: 
michael@0: function testOuterForInLet()
michael@0: {
michael@0:   return eval("for (let x in {}); (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterForInLet();
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 testOuterNestedVarInLetBlock()
michael@0: {
michael@0:   return eval("let (x = 7) { var x = 9; } (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterNestedVarInLetBlock();
michael@0: 
michael@0: assertEq(f(), true); // configurable var, so remove => true
michael@0: assertEq(f(), true); // let still there, configurable => true
michael@0: assertEq(f(), true); // nothing at all => true
michael@0: 
michael@0: 
michael@0: function testOuterNestedVarInForLet()
michael@0: {
michael@0:   return eval("for (let q = 0; q < 5; q++) { var x; } (function() { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testOuterNestedVarInForLet();
michael@0: 
michael@0: assertEq(f(), true); // configurable, so remove => true
michael@0: assertEq(f(), true); // there => true
michael@0: 
michael@0: 
michael@0: function testArgumentShadowLet()
michael@0: {
michael@0:   return eval("let x; (function(x) { return delete x; })");
michael@0: }
michael@0: 
michael@0: f = testArgumentShadowLet();
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() { let 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!");