Jonathan Lee
ee5cf036d1
Automatic update from web-platform-tests Remove `shadowrealm` scopes from `DOMException-stack-accessor.any.js` (#60282) `shadowrealm` testing was dropped in #59794. -- wpt-commits: 65bbe07908e5c19e8a6c7ff8701cc2a722cd215e wpt-pr: 60282
81 lines
3.6 KiB
JavaScript
81 lines
3.6 KiB
JavaScript
// META: global=window,dedicatedworker
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// https://tc39.es/proposal-error-stack-accessor/
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// https://github.com/whatwg/webidl/pull/1421
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"use strict";
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test(() => {
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const e = new DOMException("some message", "SyntaxError");
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assert_equals(typeof e.stack, "string", "stack must be a string");
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}, "new DOMException() has a stack property that is a string");
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test(() => {
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const e = new DOMException();
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assert_equals(typeof e.stack, "string", "stack must be a string");
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}, "new DOMException() with no arguments has a stack property that is a string");
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if (typeof document !== "undefined") {
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test(() => {
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let caught;
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try {
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document.createElement("");
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} catch (e) {
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caught = e;
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}
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assert_true(caught instanceof DOMException, "must be a DOMException");
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assert_equals(typeof caught.stack, "string", "stack must be a string");
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}, "thrown DOMException from DOM API has a stack property that is a string");
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}
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test(() => {
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const e = new DOMException("some message", "SyntaxError");
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assert_false(e.hasOwnProperty("stack"), "stack must not be an own property of the instance");
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}, "DOMException instance does not have an own stack property");
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test(() => {
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assert_false(DOMException.prototype.hasOwnProperty("stack"),
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"DOMException.prototype must not have an own stack property");
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}, "DOMException.prototype does not have an own stack property");
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test(() => {
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const desc = Object.getOwnPropertyDescriptor(Error.prototype, "stack");
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assert_not_equals(desc, undefined, "Error.prototype must have a stack property descriptor");
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assert_equals(typeof desc.get, "function", "stack must have a getter");
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assert_equals(typeof desc.set, "function", "stack must have a setter");
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assert_false(desc.enumerable, "stack must not be enumerable");
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assert_true(desc.configurable, "stack must be configurable");
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}, "Error.prototype.stack is an accessor property with correct attributes");
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test(() => {
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const getter = Object.getOwnPropertyDescriptor(Error.prototype, "stack").get;
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const e = new DOMException("some message", "SyntaxError");
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const stack = getter.call(e);
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assert_equals(typeof stack, "string", "getter must return a string for DOMException");
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assert_equals(stack, e.stack, "getter result must match e.stack");
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}, "Error.prototype.stack getter works on DOMException instances");
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test(() => {
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const setter = Object.getOwnPropertyDescriptor(Error.prototype, "stack").set;
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const e = new DOMException("some message", "SyntaxError");
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setter.call(e, "custom stack");
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assert_true(e.hasOwnProperty("stack"), "after setter, stack must be an own property");
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assert_equals(e.stack, "custom stack", "own stack property must have the set value");
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const desc = Object.getOwnPropertyDescriptor(e, "stack");
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assert_equals(desc.value, "custom stack", "must be a data property");
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assert_true(desc.writable, "must be writable");
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assert_true(desc.enumerable, "must be enumerable");
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assert_true(desc.configurable, "must be configurable");
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}, "Error.prototype.stack setter installs own data property on DOMException instances");
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test(() => {
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const setter = Object.getOwnPropertyDescriptor(Error.prototype, "stack").set;
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// SetterThatIgnoresPrototypeProperties should not install a property on Error.prototype itself
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const originalStack = Object.getOwnPropertyDescriptor(Error.prototype, "stack");
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setter.call(Error.prototype, "custom stack");
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const afterStack = Object.getOwnPropertyDescriptor(Error.prototype, "stack");
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assert_equals(typeof afterStack.get, "function",
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"Error.prototype.stack must still be an accessor after calling setter on it");
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}, "Error.prototype.stack setter ignores Error.prototype itself");
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