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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.
/*---
es6id: 13.6.4.13 S5.c
description: >
If Type(result) is not Object, throw a TypeError exception as per
`IteratorNext` (7.4.2 S4)
features: [Symbol.iterator]
---*/
var iterable = {};
var firstIterResult;
iterable[Symbol.iterator] = function() {
var finalIterResult = { value: null, done: true };
var nextIterResult = firstIterResult;
return {
next: function() {
var iterResult = nextIterResult;
nextIterResult = finalIterResult;
return iterResult;
}
};
};
firstIterResult = true;
assert.throws(TypeError, function() {
for (var x of iterable) {}
});
firstIterResult = false;
assert.throws(TypeError, function() {
for (var x of iterable) {}
});
firstIterResult = 'string';
assert.throws(TypeError, function() {
for (var x of iterable) {}
});
firstIterResult = undefined;
assert.throws(TypeError, function() {
for (var x of iterable) {}
});
firstIterResult = null;
assert.throws(TypeError, function() {
for (var x of iterable) {}
});
firstIterResult = 4;
assert.throws(TypeError, function() {
for (var x of iterable) {}
});
firstIterResult = NaN;
assert.throws(TypeError, function() {
for (var x of iterable) {}
});
firstIterResult = Symbol('s');
assert.throws(TypeError, function() {
for (var x of iterable) {}
});
firstIterResult = /regexp/;
for (var x of iterable) {}
firstIterResult = {};
for (var x of iterable) {}
firstIterResult = new Proxy({}, {
get: function(receiver, name) {
if (name === 'done') {
return true;
}
if (name === 'value') {
return null;
}
throw new Test262Error('This code is unreachable.');
}
});
for (var x of iterable) {
throw new Test262Error('This code is unreachable.');
}
firstIterResult = new Proxy({}, {
get: function(receiver, name) {
if (name === 'done') {
return false;
}
if (name === 'value') {
return 23;
}
throw new Test262Error('This code is unreachable.');
}
});
var i = 0;
for (var x of iterable) {
assert.sameValue(x, 23);
i++;
}
assert.sameValue(i, 1);
reportCompare(0, 0);
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