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// |reftest| skip-if(!xulRuntime.shell) -- needs drainJobQueue
var BUGNUMBER = 1343158;
var summary = "Error.stack should provide meaningful stack trace in async function";
print(BUGNUMBER + ": " + summary);
let COOKIE = "C0F5DBB89807";
async function thrower() {
let stack = new Error().stack; // line 11
assertEq(/^thrower@.+ErrorStack.js:11/m.test(stack), true, toMessage(stack));
assertEq(/^inner@.+ErrorStack.js:38/m.test(stack), true, toMessage(stack));
assertEq(/^async\*middle@.+ErrorStack.js:58/m.test(stack), true, toMessage(stack));
assertEq(/^async\*outer@.+ErrorStack.js:78/m.test(stack), true, toMessage(stack));
assertEq(/^async\*@.+ErrorStack.js:82/m.test(stack), true, toMessage(stack));
throw new Error(COOKIE); // line 18
}
async function inner() {
let stack = new Error().stack; // line 22
assertEq(/thrower@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/^inner@.+ErrorStack.js:22/m.test(stack), true, toMessage(stack));
assertEq(/^middle@.+ErrorStack.js:58/m.test(stack), true, toMessage(stack));
assertEq(/^async\*outer@.+ErrorStack.js:78/m.test(stack), true, toMessage(stack));
assertEq(/^async\*@.+ErrorStack.js:82/m.test(stack), true, toMessage(stack));
await Promise.resolve(100);
stack = new Error().stack; // line 31
assertEq(/thrower@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/^inner@.+ErrorStack.js:31/m.test(stack), true, toMessage(stack));
assertEq(/^async\*middle@.+ErrorStack.js:58/m.test(stack), true, toMessage(stack));
assertEq(/^async\*outer@.+ErrorStack.js:78/m.test(stack), true, toMessage(stack));
assertEq(/^async\*@.+ErrorStack.js:82/m.test(stack), true, toMessage(stack));
await thrower(); // line 38
}
async function middle() {
let stack = new Error().stack; // line 42
assertEq(/thrower@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/inner@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/^middle@.+ErrorStack.js:42/m.test(stack), true, toMessage(stack));
assertEq(/^outer@.+ErrorStack.js:78/m.test(stack), true, toMessage(stack));
assertEq(/^async\*@.+ErrorStack.js:82/m.test(stack), true, toMessage(stack));
await Promise.resolve(1000);
stack = new Error().stack; // line 51
assertEq(/thrower@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/inner@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/^middle@.+ErrorStack.js:51/m.test(stack), true, toMessage(stack));
assertEq(/^async\*outer@.+ErrorStack.js:78/m.test(stack), true, toMessage(stack));
assertEq(/^async\*@.+ErrorStack.js:82/m.test(stack), true, toMessage(stack));
await inner(); // line 58
}
async function outer() {
let stack = new Error().stack; // line 62
assertEq(/thrower@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/inner@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/middle@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/^outer@.+ErrorStack.js:62/m.test(stack), true, toMessage(stack));
assertEq(/^@.+ErrorStack.js:82/m.test(stack), true, toMessage(stack));
await Promise.resolve(10000);
stack = new Error().stack; // line 71
assertEq(/thrower@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/inner@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/middle@.+ErrorStack.js/m.test(stack), false, toMessage(stack));
assertEq(/^outer@.+ErrorStack.js:71/m.test(stack), true, toMessage(stack));
assertEq(/^async\*@.+ErrorStack.js:82/m.test(stack), true, toMessage(stack));
await middle(); // line 78
}
try {
getPromiseResult(outer()); // line 82
assertEq(true, false);
} catch (e) {
// Re-throw the exception to log the assertion failure properly.
if (!e.message.includes(COOKIE))
throw e;
let stack = e.stack;
assertEq(/^thrower@.+ErrorStack.js:18/m.test(stack), true, toMessage(stack));
assertEq(/^inner@.+ErrorStack.js:38/m.test(stack), true, toMessage(stack));
assertEq(/^async\*middle@.+ErrorStack.js:58/m.test(stack), true, toMessage(stack));
assertEq(/^async\*outer@.+ErrorStack.js:78/m.test(stack), true, toMessage(stack));
assertEq(/^async\*@.+ErrorStack.js:82/m.test(stack), true, toMessage(stack));
}
function toMessage(stack) {
// Provide the stack string in the error message for debugging.
return `[stack: ${stack.replace(/\n/g, "\\n")}]`;
}
if (typeof reportCompare === "function")
reportCompare(true, true);