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// Tests annex B.3.5.
assertThrowsInstanceOf(function () {
eval(`
function f() {
let x;
try {} catch (x) {
var x;
}
}
`);
}, SyntaxError);
assertThrowsInstanceOf(function () {
eval(`
function f() {
try {} catch (x) {
let y;
var y;
}
}
`);
}, SyntaxError);
assertThrowsInstanceOf(function () {
eval(`
function f() {
try {} catch (x) {
let x;
}
}
`);
}, SyntaxError);
assertThrowsInstanceOf(function () {
eval(`
function f() {
try {} catch (x) {
const x;
}
}
`);
}, SyntaxError);
// Tests that redeclaring a var inside the catch is not allowed if there's a
// body-level lexical.
assertThrowsInstanceOf(function () {
eval(`
let x;
try {} catch (x) {
var x;
}
`);
}, SyntaxError);
var log = '';
var x = 'global-x';
function g() {
x = 'g';
try { throw 8; } catch (x) {
var x = 42;
log += x;
}
log += x;
}
g();
// Tests that var declaration is allowed in for-in head.
function h0() {
try {} catch (e) {
for (var e in {});
}
}
h0();
// Tests that var declaration is allowed in C-for head.
function h1() {
try {} catch (e) {
for (var e;;);
}
}
h1();
// Tests that var declaration is allowed in for-of head.
function h2() {
try {} catch (e) {
for (var e of {});
}
}
h2();
// Tests that redeclaring a var inside the catch is allowed.
function h3() {
var e;
try {} catch (e) {
var e;
}
}
h3();
if (typeof evaluate === "function") {
assertThrowsInstanceOf(function () {
evaluate(`
let y;
try {} catch (y) { var y; }
`);
}, SyntaxError);
}
assertEq(log, "42g");
if ("reportCompare" in this)
reportCompare(true, true)