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- describe("parsing freestanding generators", () => {
- test("simple", () => {
- expect(`function* foo() {}`).toEval();
- expect(`function *foo() {}`).toEval();
- expect(`function
- *foo() {}`).toEval();
- });
- test("yield expression", () => {
- expect(`function* foo() { yield; }`).toEval();
- expect(`function* foo() { yield (yield); }`).toEval();
- expect(`function* foo() { yield (yield foo); }`).toEval();
- expect(`function foo() { yield; }`).toEval();
- expect(`function foo() { yield 3; }`).not.toEval();
- });
- test("yield-from expression", () => {
- expect(`function* foo() { yield *bar; }`).toEval();
- expect(`function* foo() { yield *(yield); }`).toEval();
- expect(`function* foo() { yield
- *bar; }`).not.toEval();
- expect(`function foo() { yield
- *bar; }`).toEval();
- });
- });
- describe("parsing object literal generator functions", () => {
- test("simple", () => {
- expect(`x = { *foo() { } }`).toEval();
- expect(`x = { * foo() { } }`).toEval();
- expect(`x = { *
- foo() { } }`).toEval();
- });
- test("yield", () => {
- expect(`x = { foo() { yield; } }`).toEval();
- expect(`x = { *foo() { yield; } }`).toEval();
- expect(`x = { *foo() { yield 42; } }`).toEval();
- expect(`x = { foo() { yield 42; } }`).not.toEval();
- expect(`x = { *foo() { yield (yield); } }`).toEval();
- expect(`x = { *
- foo() { yield (yield); } }`).toEval();
- });
- });
- describe("parsing classes with generator methods", () => {
- test("simple", () => {
- expect(`class Foo { *foo() {} }`).toEval();
- expect(`class Foo { static *foo() {} }`).toEval();
- expect(`class Foo { *foo() { yield; } }`).toEval();
- expect(`class Foo { *foo() { yield 42; } }`).toEval();
- expect(`class Foo { *constructor() { yield 42; } }`).not.toEval();
- });
- });
- test("function expression names equal to 'yield'", () => {
- expect(`function *foo() { (function yield() {}); }`).toEval();
- expect(`function *foo() { function yield() {} }`).not.toEval();
- });
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