From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../extensions/nested-delete-name-in-evalcode.js | 85 ++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 js/src/tests/non262/extensions/nested-delete-name-in-evalcode.js (limited to 'js/src/tests/non262/extensions/nested-delete-name-in-evalcode.js') diff --git a/js/src/tests/non262/extensions/nested-delete-name-in-evalcode.js b/js/src/tests/non262/extensions/nested-delete-name-in-evalcode.js new file mode 100644 index 0000000000..7dfab04589 --- /dev/null +++ b/js/src/tests/non262/extensions/nested-delete-name-in-evalcode.js @@ -0,0 +1,85 @@ +// 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 testOuterLet() +{ + return eval("let x; (function() { return delete x; })"); +} + +f = testOuterLet(); + +assertEq(f(), false); // can't delete lexical declarations => false + + +function testOuterForLet() +{ + return eval("for (let x; false; ); (function() { return delete x; })"); +} + +f = testOuterForLet(); + +assertEq(f(), true); // not there => true (only non-configurable => false) + + +function testOuterForInLet() +{ + return eval("for (let x in {}); (function() { return delete x; })"); +} + +f = testOuterForInLet(); + +assertEq(f(), true); // configurable, so remove => true +assertEq(f(), true); // not there => true (only non-configurable => false) + + +function testOuterNestedVarInForLet() +{ + return eval("for (let q = 0; q < 5; q++) { var x; } (function() { return delete x; })"); +} + +f = testOuterNestedVarInForLet(); + +assertEq(f(), true); // configurable, so remove => true +assertEq(f(), true); // there => true + + +function testArgumentShadowLet() +{ + return eval("let x; (function(x) { return delete x; })"); +} + +f = testArgumentShadowLet(); + +assertEq(f(), false); // non-configurable argument => false + + +function testFunctionLocal() +{ + return eval("(function() { let 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!"); -- cgit v1.2.3