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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
(function TestGeneratorOSRSimple() {
function* gen1() {
for (var i = 0; i < 3; ++i) {
if (i == 1) %OptimizeOsr();
}
return 23;
}
var g = gen1();
assertEquals({ value:23, done:true }, g.next());
})();
(function TestGeneratorOSRYieldAfterArming() {
function* gen2() {
for (var i = 0; i < 3; ++i) {
if (i == 1) %OptimizeOsr();
yield i;
}
return 23;
}
var g = gen2();
assertEquals({ value:0, done:false }, g.next());
assertEquals({ value:1, done:false }, g.next());
assertEquals({ value:2, done:false }, g.next());
assertEquals({ value:23, done:true }, g.next());
})();
(function TestGeneratorOSRYieldBeforeArming() {
function* gen3() {
for (var i = 0; i < 3; ++i) {
yield i;
if (i == 1) %OptimizeOsr();
}
return 23;
}
var g = gen3();
assertEquals({ value:0, done:false }, g.next());
assertEquals({ value:1, done:false }, g.next());
assertEquals({ value:2, done:false }, g.next());
assertEquals({ value:23, done:true }, g.next());
})();
(function TestGeneratorOSRNested() {
function* gen4() {
for (var i = 0; i < 3; ++i) {
for (var j = 0; j < 3; ++j) {
for (var k = 0; k < 10; ++k) {
if (k == 5) %OptimizeOsr();
}
}
yield i;
}
return 23;
}
var g = gen4();
assertEquals({ value:0, done:false }, g.next());
assertEquals({ value:1, done:false }, g.next());
assertEquals({ value:2, done:false }, g.next());
assertEquals({ value:23, done:true }, g.next());
})();
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