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// |reftest|
// Verify that private fields are enabled.
class A {
#x;
};
function assertThrowsSyntaxError(str) {
assertThrowsInstanceOf(() => eval(str), SyntaxError); // Direct Eval
assertThrowsInstanceOf(() => (1, eval)(str), SyntaxError); // Indirect Eval
assertThrowsInstanceOf(() => Function(str), SyntaxError); // Function
}
assertThrowsSyntaxError(`
class B {
g() {
return this.#x;
}
};
`);
assertThrowsSyntaxError(`
with (new class A { #x; }) {
class B {
#y;
constructor() { return this.#x; }
}
}
`);
// Make sure we don't create a generic binding for #x.
with (new class {
#x = 12;
}) {
assertEq('#x' in this, false);
}
// Try to fetch a non-existing field using different
// compilation contexts
function assertNonExisting(fetchCode) {
source = `var X = class {
b() {
${fetchCode}
}
}
var a = new X;
a.b()`
assertThrowsInstanceOf(() => eval(source), SyntaxError);
}
assertNonExisting(`return eval("this.#x")"`);
assertNonExisting(`return (1,eval)("this.#x")`);
assertNonExisting(`var f = Function("this.#x"); return f();`);
if (typeof reportCompare === 'function') reportCompare(0, 0);