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function test_upgrade(f, msg) {
// Run upgrading test on an element created by HTML parser.
test_with_new_window(function (testWindow, testMsg) {
let elementParser = testWindow.document.querySelector("unresolved-element");
f(testWindow, elementParser, testMsg);
}, msg + " (HTML parser)");
// Run upgrading test on an element created by document.createElement.
test_with_new_window(function (testWindow, testMsg) {
let element = testWindow.document.createElement("unresolved-element");
testWindow.document.documentElement.appendChild(element);
f(testWindow, element, testMsg);
}, msg + " (document.createElement)");
}
// Test cases
test_upgrade(function (testWindow, testElement, msg) {
class MyCustomElement extends testWindow.HTMLElement {}
testWindow.customElements.define("unresolved-element", MyCustomElement);
SimpleTest.is(
Object.getPrototypeOf(Cu.waiveXrays(testElement)),
MyCustomElement.prototype,
msg
);
}, "Custom element must be upgraded if there is a matching definition");
test_upgrade(function (testWindow, testElement, msg) {
testElement.remove();
class MyCustomElement extends testWindow.HTMLElement {}
testWindow.customElements.define("unresolved-element", MyCustomElement);
SimpleTest.is(
Object.getPrototypeOf(testElement),
testWindow.HTMLElement.prototype,
msg
);
}, "Custom element must not be upgraded if it has been removed from tree");
test_upgrade(function (testWindow, testElement, msg) {
let exceptionToThrow = { name: "exception thrown by a custom constructor" };
class ThrowCustomElement extends testWindow.HTMLElement {
constructor() {
super();
if (exceptionToThrow) {
throw exceptionToThrow;
}
}
}
let uncaughtError;
window.onerror = function (message, url, lineNumber, columnNumber, error) {
uncaughtError = error;
return true;
};
testWindow.customElements.define("unresolved-element", ThrowCustomElement);
SimpleTest.is(uncaughtError.name, exceptionToThrow.name, msg);
}, "Upgrading must report an exception thrown by a custom element constructor");
test_upgrade(function (testWindow, testElement, msg) {
class InstantiatesItselfAfterSuper extends testWindow.HTMLElement {
constructor(doNotCreateItself) {
super();
if (!doNotCreateItself) {
new InstantiatesItselfAfterSuper(true);
}
}
}
let uncaughtError;
window.onerror = function (message, url, lineNumber, columnNumber, error) {
uncaughtError = error;
return true;
};
testWindow.customElements.define(
"unresolved-element",
InstantiatesItselfAfterSuper
);
SimpleTest.is(uncaughtError.name, "TypeError", msg);
}, "Upgrading must report an TypeError when the top of the " +
"construction stack is marked AlreadyConstructed");
test_upgrade(function (testWindow, testElement, msg) {
class InstantiatesItselfBeforeSuper extends testWindow.HTMLElement {
constructor(doNotCreateItself) {
if (!doNotCreateItself) {
new InstantiatesItselfBeforeSuper(true);
}
super();
}
}
let uncaughtError;
window.onerror = function (message, url, lineNumber, columnNumber, error) {
uncaughtError = error;
return true;
};
testWindow.customElements.define(
"unresolved-element",
InstantiatesItselfBeforeSuper
);
SimpleTest.is(uncaughtError.name, "TypeError", msg);
}, "Upgrading must report an TypeError when the top of the " +
"construction stack is marked AlreadyConstructed due to a custom element " +
"constructor constructing itself before super() call");
test_upgrade(function (testWindow, testElement, msg) {
class MyOtherElement extends testWindow.HTMLElement {
constructor() {
super();
if (this == testElement) {
return testWindow.document.createElement("other-element");
}
}
}
let uncaughtError;
window.onerror = function (message, url, lineNumber, columnNumber, error) {
uncaughtError = error;
return true;
};
testWindow.customElements.define("unresolved-element", MyOtherElement);
SimpleTest.is(uncaughtError.name, "TypeError", msg);
}, "Upgrading must report an TypeError when the returned element is " +
"not SameValue as the upgraded element");