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/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
/*
* Any copyright is dedicated to the Public Domain.
*/
var actual;
var expect = "pass";
var x = "fail";
function f() {
var x = "pass";
delete(eval("actual = x"));
}
f();
assertEq(actual, expect);
function g() { return 1 }
function h() { function g() { throw 2; } eval('g()')++; }
assertThrowsValue(h, 2);
var lhs_prefix = ["", "++", "--", "", "", "[", "[y, " ];
var lhs_suffix = [" = 'no'", "", "", "++", "--", ", y] = [3, 4]", "] = [5, 6]"];
for (var i = 0; i < lhs_prefix.length; i++) {
var expected;
if (/\[/.test(lhs_prefix[i])) {
expected = "invalid destructuring target";
} else {
/*
* NB: JSOP_SETCALL throws only JSMSG_ASSIGN_TO_CALL, it does not
* specialize for ++ and -- as the compiler's error reporting does. See
* the next section's forked assertEq code.
*/
expected = "cannot assign to function call";
}
assertThrownErrorContains(
() => eval(lhs_prefix[i] + "eval('x')" + lhs_suffix[i]),
expected);
}
/* Now test for strict mode rejecting any SETCALL variant at compile time. */
for (var i = 0; i < lhs_prefix.length; i++) {
var expected;
if (/\+\+|\-\-/.test(lhs_prefix[i] || lhs_suffix[i]))
expected = "invalid increment/decrement operand";
else if (/\[/.test(lhs_prefix[i]))
expected = "invalid destructuring target";
else
expected = "invalid assignment left-hand side";
assertThrownErrorContains(
() => eval("(function () { 'use strict'; " + lhs_prefix[i] + "foo('x')" + lhs_suffix[i] + "; })"),
expected);
}
/*
* The useless delete is optimized away, but the SETCALL must not be. It's not
* an early error, though.
*/
var fooArg;
function foo(arg) { fooArg = arg; }
assertThrownErrorContains(
() => eval("delete (foo('x') = 42);"),
"cannot assign to function call");
assertEq(fooArg, 'x');
/* Delete of a call expression is not an error at all, even in strict mode. */
function g() {
"use strict";
assertEq(delete Object(), true);
}
g();
reportCompare(0, 0, "ok");