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harness/asyncHelpers.js: Reduce the size of assert.throwsAsync

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This commit is contained in:
Richard Gibson 2024-05-19 13:41:38 -04:00
parent 0b61e98564
commit fa3d0246e7
1 changed files with 25 additions and 39 deletions
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64
harness/asyncHelpers.js
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@ -50,74 +50,60 @@ function asyncTest(testFunc) {
*/
assert.throwsAsync = function (expectedErrorConstructor, func, message) {
return new Promise(function (resolve) {
var expectedName = expectedErrorConstructor.name;
var fail = function (detail) {
if (message === undefined) {
throw new Test262Error(detail);
}
throw new Test262Error(message + " " + detail);
};
var innerThenable;
if (message === undefined) {
message = "";
} else {
message += " ";
}
if (typeof func !== "function") {
message +=
"assert.throwsAsync called with an argument that is not a function";
throw new Test262Error(message);
fail("assert.throwsAsync called with an argument that is not a function");
}
try {
innerThenable = func();
} catch (thrown) {
message +=
"Expected a " +
expectedErrorConstructor.name +
" to be thrown asynchronously but the function threw synchronously";
throw new Test262Error(message);
fail("Expected a " +
expectedName +
" to be thrown asynchronously but the function threw synchronously");
}
if (
innerThenable === null ||
typeof innerThenable !== "object" ||
typeof innerThenable.then !== "function"
) {
message +=
"Expected to obtain a promise that would reject with a " +
expectedErrorConstructor.name +
" but result was not a thenable";
throw new Test262Error(message);
fail("Expected to obtain a promise that would reject with a " +
expectedName +
" but result was not a thenable");
}
try {
resolve(innerThenable.then(
function () {
message +=
"Expected a " +
expectedErrorConstructor.name +
" to be thrown asynchronously but no exception was thrown at all";
throw new Test262Error(message);
fail("Expected a " +
expectedName +
" to be thrown asynchronously but no exception was thrown at all");
},
function (thrown) {
var expectedName, actualName;
var actualName;
if (typeof thrown !== "object" || thrown === null) {
message += "Thrown value was not an object!";
throw new Test262Error(message);
fail("Thrown value was not an object!");
} else if (thrown.constructor !== expectedErrorConstructor) {
expectedName = expectedErrorConstructor.name;
actualName = thrown.constructor.name;
if (expectedName === actualName) {
message +=
"Expected a " +
fail("Expected a " +
expectedName +
" but got a different error constructor with the same name";
} else {
message +=
"Expected a " + expectedName + " but got a " + actualName;
" but got a different error constructor with the same name");
}
throw new Test262Error(message);
fail("Expected a " + expectedName + " but got a " + actualName);
}
}
));
} catch (thrown) {
message +=
"Expected a " +
expectedErrorConstructor.name +
" to be thrown asynchronously but .then threw synchronously";
throw new Test262Error(message);
fail("Expected a " +
expectedName +
" to be thrown asynchronously but .then threw synchronously");
}
});
};