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// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-generator.prototype.next
description: >
A TypeError should be thrown from GeneratorValidate (25.3.3.2) if the
context of `next` does not define the [[GeneratorState]] internal slot.
info: |
1. Let g be the this value.
2. Return GeneratorResume(g, value).
25.3.3.3 GeneratorResume
1. Let state be ? GeneratorValidate(generator).
25.3.3.2 GeneratorValidate
[...]
2. If generator does not have a [[GeneratorState]] internal slot, throw a
TypeError exception.
features: [generators]
---*/
function* g() {}
var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
assert.throws(
TypeError,
function() {
GeneratorPrototype.next.call({});
},
'ordinary object (without value)'
);
assert.throws(
TypeError,
function() {
GeneratorPrototype.next.call({}, 1);
},
'ordinary object (with value)'
);
assert.throws(
TypeError,
function() {
GeneratorPrototype.next.call(function() {});
},
'function object (without value)'
);
assert.throws(
TypeError,
function() {
GeneratorPrototype.next.call(function() {}, 1);
},
'function object (with value)'
);
assert.throws(
TypeError,
function() {
GeneratorPrototype.next.call(g);
},
'generator function object (without value)'
);
assert.throws(
TypeError,
function() {
GeneratorPrototype.next.call(g, 1);
},
'generator function object (with value)'
);
assert.throws(
TypeError,
function() {
GeneratorPrototype.next.call(g.prototype);
},
'generator function prototype object (without value)'
);
assert.throws(
TypeError,
function() {
GeneratorPrototype.next.call(g.prototype, 1);
},
'generator function prototype object (with value)'
);
reportCompare(0, 0);
|