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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const yieldInParameters = [
`(a = yield) => {}`,
`(a = yield /a/g) => {}`, // Should parse as division, not yield expression with regexp.
`yield => {};`,
`(yield) => {};`,
`(yield = 0) => {};`,
`([yield]) => {};`,
`([yield = 0]) => {};`,
`([...yield]) => {};`,
`({a: yield}) => {};`,
`({yield}) => {};`,
`({yield = 0}) => {};`,
];
const yieldInBody = [
`() => yield;`,
`() => yield /a/g;`,
`() => { var x = yield; }`,
`() => { var x = yield /a/g; }`,
`() => { var yield; };`,
`() => { var yield = 0; };`,
`() => { var [yield] = []; };`,
`() => { var [yield = 0] = []; };`,
`() => { var [...yield] = []; };`,
`() => { var {a: yield} = {}; };`,
`() => { var {yield} = {}; };`,
`() => { var {yield = 0} = {}; };`,
`() => { let yield; };`,
`() => { let yield = 0; };`,
`() => { let [yield] = []; };`,
`() => { let [yield = 0] = []; };`,
`() => { let [...yield] = []; };`,
`() => { let {a: yield} = {}; };`,
`() => { let {yield} = {}; };`,
`() => { let {yield = 0} = {}; };`,
`() => { const yield = 0; };`,
`() => { const [yield] = []; };`,
`() => { const [yield = 0] = []; };`,
`() => { const [...yield] = []; };`,
`() => { const {a: yield} = {}; };`,
`() => { const {yield} = {}; };`,
`() => { const {yield = 0} = {}; };`,
];
// Script context.
for (let test of [...yieldInParameters, ...yieldInBody]) {
eval(test);
assertThrowsInstanceOf(() => eval(`"use strict"; ${test}`), SyntaxError);
}
// Function context.
for (let test of [...yieldInParameters, ...yieldInBody]) {
eval(`function f() { ${test} }`);
assertThrowsInstanceOf(() => eval(`"use strict"; function f() { ${test} }`), SyntaxError);
}
// Generator context.
for (let test of yieldInParameters) {
assertThrowsInstanceOf(() => eval(`function* g() { ${test} }`), SyntaxError);
}
for (let test of yieldInBody) {
eval(`function* g() { ${test} }`);
}
for (let test of [...yieldInParameters, ...yieldInBody]) {
assertThrowsInstanceOf(() => eval(`"use strict"; function* g() { ${test} }`), SyntaxError);
}
if (typeof reportCompare === "function")
reportCompare(0, 0, "ok");
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