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