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Unified Diff: test/mjsunit/harmony/generators.js

Issue 1957393004: Allow Turbofan optimization of Ignition generators (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Address comments Created 4 years, 7 months ago
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Index: test/mjsunit/harmony/generators.js
diff --git a/test/mjsunit/harmony/generators.js b/test/mjsunit/harmony/generators.js
index c9b59bc53a2f2e52b2a0017b5597aca79387c050..ce68fd0175341c0e9afb40b42b2d711763daf4ac 100644
--- a/test/mjsunit/harmony/generators.js
+++ b/test/mjsunit/harmony/generators.js
@@ -3,6 +3,32 @@
// found in the LICENSE file.
// Flags: --ignition-generators --harmony-do-expressions
+// Flags: --allow-natives-syntax
+
+
+function MaybeOptimizeOrDeoptimize(f) {
+ let x = Math.random(); // --random-seed makes this deterministic
+ if (x <= 0.33) {
+ %OptimizeFunctionOnNextCall(f);
+ } else if (x <= 0.66) {
+ %DeoptimizeFunction(f);
+ }
+}
+
+function Next(generator, ...args) {
+ MaybeOptimizeOrDeoptimize(%GeneratorGetFunction(generator));
+ return generator.next(...args);
+}
+
+function Return(generator, ...args) {
+ MaybeOptimizeOrDeoptimize(%GeneratorGetFunction(generator));
+ return generator.return(...args);
+}
+
+function Throw(generator, ...args) {
+ MaybeOptimizeOrDeoptimize(%GeneratorGetFunction(generator));
+ return generator.throw(...args);
+}
{ // yield in try-catch
@@ -11,19 +37,19 @@
try {yield 1} catch (error) {assertEquals("caught", error)}
};
- assertThrowsEquals(() => g().throw("not caught"), "not caught");
+ assertThrowsEquals(() => Throw(g(), "not caught"), "not caught");
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: undefined, done: true}, x.throw("caught"));
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: undefined, done: true}, Throw(x, "caught"));
}
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: undefined, done: true}, x.next());
- assertThrowsEquals(() => x.throw("not caught"), "not caught");
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: undefined, done: true}, Next(x));
+ assertThrowsEquals(() => Throw(x, "not caught"), "not caught");
}
}
@@ -33,19 +59,19 @@
{
let x = g();
- assertEquals({value: 43, done: false}, x.next());
- assertEquals({value: 42, done: true}, x.next());
+ assertEquals({value: 43, done: false}, Next(x));
+ assertEquals({value: 42, done: true}, Next(x));
}
}
{ // return that doesn't close
let x;
- let g = function*() { try {return 42} finally {x.throw(666)} };
+ let g = function*() { try {return 42} finally {Throw(x, 666)} };
{
x = g();
- assertThrows(() => x.next(), TypeError); // still executing
+ assertThrows(() => Next(x), TypeError); // still executing
}
}
@@ -56,42 +82,42 @@
{ // "return" closes at suspendedStart
let x = g();
- assertEquals({value: 666, done: true}, x.return(666));
- assertEquals({value: undefined, done: true}, x.next(42));
- assertThrowsEquals(() => x.throw(43), 43);
- assertEquals({value: 42, done: true}, x.return(42));
+ assertEquals({value: 666, done: true}, Return(x, 666));
+ assertEquals({value: undefined, done: true}, Next(x, 42));
+ assertThrowsEquals(() => Throw(x, 43), 43);
+ assertEquals({value: 42, done: true}, Return(x, 42));
}
{ // "throw" closes at suspendedStart
let x = g();
- assertThrowsEquals(() => x.throw(666), 666);
- assertEquals({value: undefined, done: true}, x.next(42));
- assertEquals({value: 43, done: true}, x.return(43));
- assertThrowsEquals(() => x.throw(44), 44);
+ assertThrowsEquals(() => Throw(x, 666), 666);
+ assertEquals({value: undefined, done: true}, Next(x, 42));
+ assertEquals({value: 43, done: true}, Return(x, 43));
+ assertThrowsEquals(() => Throw(x, 44), 44);
}
{ // "next" closes at suspendedYield
let x = g();
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 13, done: true}, x.next(666));
- assertEquals({value: undefined, done: true}, x.next(666));
- assertThrowsEquals(() => x.throw(666), 666);
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 13, done: true}, Next(x, 666));
+ assertEquals({value: undefined, done: true}, Next(x, 666));
+ assertThrowsEquals(() => Throw(x, 666), 666);
}
{ // "return" closes at suspendedYield
let x = g();
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 13, done: true}, x.return(666));
- assertEquals({value: undefined, done: true}, x.next(666));
- assertEquals({value: 666, done: true}, x.return(666));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 13, done: true}, Return(x, 666));
+ assertEquals({value: undefined, done: true}, Next(x, 666));
+ assertEquals({value: 666, done: true}, Return(x, 666));
}
{ // "throw" closes at suspendedYield
let x = g();
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 13, done: true}, x.throw(666));
- assertThrowsEquals(() => x.throw(666), 666);
- assertEquals({value: undefined, done: true}, x.next(666));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 13, done: true}, Throw(x, 666));
+ assertThrowsEquals(() => Throw(x, 666), 666);
+ assertEquals({value: undefined, done: true}, Next(x, 666));
}
}
@@ -102,45 +128,45 @@
{ // "return" closes at suspendedStart
let x = g();
- assertEquals({value: 666, done: true}, x.return(666));
- assertEquals({value: undefined, done: true}, x.next(42));
- assertThrowsEquals(() => x.throw(43), 43);
- assertEquals({value: 42, done: true}, x.return(42));
+ assertEquals({value: 666, done: true}, Return(x, 666));
+ assertEquals({value: undefined, done: true}, Next(x, 42));
+ assertThrowsEquals(() => Throw(x, 43), 43);
+ assertEquals({value: 42, done: true}, Return(x, 42));
}
{ // "throw" closes at suspendedStart
let x = g();
- assertThrowsEquals(() => x.throw(666), 666);
- assertEquals({value: undefined, done: true}, x.next(42));
- assertEquals({value: 43, done: true}, x.return(43));
- assertThrowsEquals(() => x.throw(44), 44);
+ assertThrowsEquals(() => Throw(x, 666), 666);
+ assertEquals({value: undefined, done: true}, Next(x, 42));
+ assertEquals({value: 43, done: true}, Return(x, 43));
+ assertThrowsEquals(() => Throw(x, 44), 44);
}
{ // "next" closes at suspendedYield
let x = g();
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: undefined, done: true}, x.next(666));
- assertEquals({value: undefined, done: true}, x.next(666));
- assertThrowsEquals(() => x.throw(666), 666);
- assertEquals({value: 42, done: true}, x.return(42));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: undefined, done: true}, Next(x, 666));
+ assertEquals({value: undefined, done: true}, Next(x, 666));
+ assertThrowsEquals(() => Throw(x, 666), 666);
+ assertEquals({value: 42, done: true}, Return(x, 42));
}
{ // "return" closes at suspendedYield
let x = g();
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 666, done: true}, x.return(666));
- assertEquals({value: undefined, done: true}, x.next(666));
- assertThrowsEquals(() => x.throw(44), 44);
- assertEquals({value: 42, done: true}, x.return(42));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 666, done: true}, Return(x, 666));
+ assertEquals({value: undefined, done: true}, Next(x, 666));
+ assertThrowsEquals(() => Throw(x, 44), 44);
+ assertEquals({value: 42, done: true}, Return(x, 42));
}
{ // "throw" closes at suspendedYield
let x = g();
- assertEquals({value: 42, done: false}, x.next());
- assertThrowsEquals(() => x.throw(666), 666);
- assertEquals({value: undefined, done: true}, x.next(666));
- assertThrowsEquals(() => x.throw(666), 666);
- assertEquals({value: 42, done: true}, x.return(42));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertThrowsEquals(() => Throw(x, 666), 666);
+ assertEquals({value: undefined, done: true}, Next(x, 666));
+ assertThrowsEquals(() => Throw(x, 666), 666);
+ assertEquals({value: 42, done: true}, Return(x, 42));
}
}
@@ -151,17 +177,17 @@
{
let x = g();
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 43, done: false}, x.return(666));
- assertEquals({value: 13, done: true}, x.next());
- assertEquals({value: 666, done: true}, x.return(666));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 43, done: false}, Return(x, 666));
+ assertEquals({value: 13, done: true}, Next(x));
+ assertEquals({value: 666, done: true}, Return(x, 666));
}
{
let x = g();
- assertEquals({value: 666, done: true}, x.return(666));
- assertEquals({value: undefined, done: true}, x.next());
- assertEquals({value: 666, done: true}, x.return(666));
+ assertEquals({value: 666, done: true}, Return(x, 666));
+ assertEquals({value: undefined, done: true}, Next(x));
+ assertEquals({value: 666, done: true}, Return(x, 666));
}
}
@@ -172,17 +198,17 @@
{
let x = g();
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 43, done: false}, x.return(666));
- assertEquals({value: 666, done: true}, x.next());
- assertEquals({value: 5, done: true}, x.return(5));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 43, done: false}, Return(x, 666));
+ assertEquals({value: 666, done: true}, Next(x));
+ assertEquals({value: 5, done: true}, Return(x, 5));
}
{
let x = g();
- assertEquals({value: 666, done: true}, x.return(666));
- assertEquals({value: undefined, done: true}, x.next());
- assertEquals({value: 666, done: true}, x.return(666));
+ assertEquals({value: 666, done: true}, Return(x, 666));
+ assertEquals({value: undefined, done: true}, Next(x));
+ assertEquals({value: 666, done: true}, Return(x, 666));
}
}
@@ -194,29 +220,29 @@
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 43, done: false}, x.next(666));
- assertEquals({value: 13, done: false}, x.next());
- assertEquals({value: undefined, done: true}, x.next());
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 43, done: false}, Next(x, 666));
+ assertEquals({value: 13, done: false}, Next(x));
+ assertEquals({value: undefined, done: true}, Next(x));
}
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 43, done: false}, x.return(666));
- assertEquals({value: 13, done: false}, x.next());
- assertEquals({value: undefined, done: true}, x.next());
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 43, done: false}, Return(x, 666));
+ assertEquals({value: 13, done: false}, Next(x));
+ assertEquals({value: undefined, done: true}, Next(x));
}
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 43, done: false}, x.throw(666));
- assertEquals({value: 13, done: false}, x.next());
- assertEquals({value: undefined, done: true}, x.next());
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 43, done: false}, Throw(x, 666));
+ assertEquals({value: 13, done: false}, Next(x));
+ assertEquals({value: undefined, done: true}, Next(x));
}
}
@@ -228,28 +254,28 @@
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 43, done: false}, x.next(666));
- assertEquals({value: undefined, done: false}, x.next());
- assertEquals({value: undefined, done: true}, x.next());
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 43, done: false}, Next(x, 666));
+ assertEquals({value: undefined, done: false}, Next(x));
+ assertEquals({value: undefined, done: true}, Next(x));
}
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 43, done: false}, x.return(44));
- assertEquals({value: 44, done: false}, x.next());
- assertEquals({value: undefined, done: true}, x.next());
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 43, done: false}, Return(x, 44));
+ assertEquals({value: 44, done: false}, Next(x));
+ assertEquals({value: undefined, done: true}, Next(x));
}
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: 42, done: false}, x.next());
- assertEquals({value: 43, done: false}, x.throw(666));
- assertThrowsEquals(() => x.next(), 666);
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: 42, done: false}, Next(x));
+ assertEquals({value: 43, done: false}, Throw(x, 666));
+ assertThrowsEquals(() => Next(x), 666);
}
}
@@ -267,9 +293,9 @@
{
let x = g();
- assertEquals({value: 1, done: false}, x.next());
- assertEquals({value: 2, done: false}, x.next());
- assertEquals({value: 42, done: true}, x.return(42));
+ assertEquals({value: 1, done: false}, Next(x));
+ assertEquals({value: 2, done: false}, Next(x));
+ assertEquals({value: 42, done: true}, Return(x, 42));
}
}
@@ -280,143 +306,144 @@
{
function* foo() { }
let g = foo();
- assertEquals({value: undefined, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: undefined, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
function* foo() { return new.target }
let g = foo();
- assertEquals({value: undefined, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: undefined, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
function* foo() { throw 666; return 42}
let g = foo();
- assertThrowsEquals(() => g.next(), 666);
- assertEquals({value: undefined, done: true}, g.next());
+ assertThrowsEquals(() => Next(g), 666);
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
function* foo(a) { return a; }
let g = foo(42);
- assertEquals({value: 42, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 42, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
function* foo(a) { a.iwashere = true; return a; }
let x = {};
let g = foo(x);
- assertEquals({value: {iwashere: true}, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: {iwashere: true}, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
let a = 42;
function* foo() { return a; }
let g = foo();
- assertEquals({value: 42, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 42, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
let a = 40;
function* foo(b) { return a + b; }
let g = foo(2);
- assertEquals({value: 42, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 42, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
let a = 40;
function* foo(b) { a--; b++; return a + b; }
let g = foo(2);
- assertEquals({value: 42, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 42, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
let g;
- function* foo() { g.next() }
+ function* foo() { Next(g) }
g = foo();
- assertThrows(() => g.next(), TypeError);
- assertEquals({value: undefined, done: true}, g.next());
+ assertThrows(() => Next(g), TypeError);
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
function* foo() { yield 2; yield 3; yield 4 }
g = foo();
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 4, done: false}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 4, done: false}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
+
{
function* foo() { yield 2; if (true) { yield 3 }; yield 4 }
g = foo();
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 4, done: false}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 4, done: false}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
function* foo() { yield 2; if (true) { yield 3; yield 4 } }
g = foo();
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 4, done: false}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 4, done: false}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
function* foo() { yield 2; if (false) { yield 3 }; yield 4 }
g = foo();
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 4, done: false}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 4, done: false}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
function* foo() { yield 2; while (true) { yield 3 }; yield 4 }
g = foo();
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
}
{
function* foo() { yield 2; (yield 3) + 42; yield 4 }
g = foo();
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 4, done: false}, g.next());
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 4, done: false}, Next(g));
}
{
function* foo() { yield 2; (do {yield 3}) + 42; yield 4 }
g = foo();
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 4, done: false}, g.next());
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 4, done: false}, Next(g));
}
{
function* foo() { yield 2; return (yield 3) + 42; yield 4 }
g = foo();
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 42, done: true}, g.next(0));
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 42, done: true}, Next(g, 0));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
@@ -435,19 +462,19 @@
return 5;
}
g = foo();
- assertEquals({value: 42, done: false}, g.next());
- assertEquals({value: 'a', done: false}, g.next());
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 1, done: false}, g.next());
- assertEquals({value: 0, done: false}, g.next());
- assertEquals({value: 'b', done: false}, g.next());
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 1, done: false}, g.next());
- assertEquals({value: 0, done: false}, g.next());
- assertEquals({value: 42, done: false}, g.next());
- assertEquals({value: 5, done: true}, g.next());
+ assertEquals({value: 42, done: false}, Next(g));
+ assertEquals({value: 'a', done: false}, Next(g));
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 1, done: false}, Next(g));
+ assertEquals({value: 0, done: false}, Next(g));
+ assertEquals({value: 'b', done: false}, Next(g));
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 1, done: false}, Next(g));
+ assertEquals({value: 0, done: false}, Next(g));
+ assertEquals({value: 42, done: false}, Next(g));
+ assertEquals({value: 5, done: true}, Next(g));
}
{
@@ -458,12 +485,12 @@
{ let c = 5; yield 2; yield a; yield b; yield c; }
}
g = foo();
- assertEquals({value: 1, done: false}, g.next());
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 3, done: false}, g.next());
- assertEquals({value: 4, done: false}, g.next());
- assertEquals({value: 5, done: false}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 1, done: false}, Next(g));
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 3, done: false}, Next(g));
+ assertEquals({value: 4, done: false}, Next(g));
+ assertEquals({value: 5, done: false}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
@@ -571,9 +598,9 @@
}
g = foo();
for (let i = 0; i < 100; ++i) {
- assertEquals({value: 42, done: false}, g.next());
+ assertEquals({value: 42, done: false}, i%25 === 0 ? Next(g) : g.next());
}
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: undefined, done: true}, Next(g));
}
{
@@ -587,14 +614,27 @@
}
}
g = foo();
- assertEquals({value: 0, done: false}, g.next());
- assertEquals({value: 10, done: false}, g.next());
- assertEquals({value: 10, done: false}, g.next());
- assertEquals({value: 1, done: false}, g.next());
- assertEquals({value: 11, done: false}, g.next());
- assertEquals({value: 11, done: false}, g.next());
- assertEquals({value: 2, done: false}, g.next());
- assertEquals({value: 12, done: false}, g.next());
- assertEquals({value: 12, done: false}, g.next());
- assertEquals({value: undefined, done: true}, g.next());
+ assertEquals({value: 0, done: false}, Next(g));
+ assertEquals({value: 10, done: false}, Next(g));
+ assertEquals({value: 10, done: false}, Next(g));
+ assertEquals({value: 1, done: false}, Next(g));
+ assertEquals({value: 11, done: false}, Next(g));
+ assertEquals({value: 11, done: false}, Next(g));
+ assertEquals({value: 2, done: false}, Next(g));
+ assertEquals({value: 12, done: false}, Next(g));
+ assertEquals({value: 12, done: false}, Next(g));
+ assertEquals({value: undefined, done: true}, Next(g));
+}
+
+{
+ let foo = function*() {
+ while (true) {
+ if (true || false) yield 42;
+ continue;
+ }
+ }
+ g = foo();
+ assertEquals({value: 42, done: false}, Next(g));
+ assertEquals({value: 42, done: false}, Next(g));
+ assertEquals({value: 42, done: false}, Next(g));
}
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