1 // Any copyright is dedicated to the Public Domain.
2 // http://creativecommons.org/licenses/publicdomain/
4 //-----------------------------------------------------------------------------
5 var BUGNUMBER = 616294;
7 "|delete x| inside a function in eval code, where that eval code includes " +
8 "|var x| at top level, actually does delete the binding for x";
10 print(BUGNUMBER + ": " + summary);
18 function testOuterLet()
20 return eval("let x; (function() { return delete x; })");
25 assertEq(f(), true); // configurable, so remove => true
26 assertEq(f(), true); // not there => true (only non-configurable => false)
29 function testOuterForLet()
31 return eval("for (let x; false; ); (function() { return delete x; })");
34 f = testOuterForLet();
36 assertEq(f(), true); // not there => true (only non-configurable => false)
39 function testOuterForInLet()
41 return eval("for (let x in {}); (function() { return delete x; })");
44 f = testOuterForInLet();
46 assertEq(f(), true); // configurable, so remove => true
47 assertEq(f(), true); // not there => true (only non-configurable => false)
50 function testOuterNestedVarInLetBlock()
52 return eval("let (x = 7) { var x = 9; } (function() { return delete x; })");
55 f = testOuterNestedVarInLetBlock();
57 assertEq(f(), true); // configurable var, so remove => true
58 assertEq(f(), true); // let still there, configurable => true
59 assertEq(f(), true); // nothing at all => true
62 function testOuterNestedVarInForLet()
64 return eval("for (let q = 0; q < 5; q++) { var x; } (function() { return delete x; })");
67 f = testOuterNestedVarInForLet();
69 assertEq(f(), true); // configurable, so remove => true
70 assertEq(f(), true); // there => true
73 function testArgumentShadowLet()
75 return eval("let x; (function(x) { return delete x; })");
78 f = testArgumentShadowLet();
80 assertEq(f(), false); // non-configurable argument => false
83 function testFunctionLocal()
85 return eval("(function() { let x; return delete x; })");
88 f = testFunctionLocal();
90 assertEq(f(), false); // defined by function code => not configurable => false
93 /******************************************************************************/
95 if (typeof reportCompare === "function")
96 reportCompare(true, true);
98 print("All tests passed!");