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73 lines
3 KiB
JavaScript
73 lines
3 KiB
JavaScript
'use strict';
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self.getterRejects = (t, obj, getterName, target) => {
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const getter = Object.getOwnPropertyDescriptor(obj, getterName).get;
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return promise_rejects(t, new TypeError(), getter.call(target), getterName + ' should reject with a TypeError');
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};
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self.getterRejectsForAll = (t, obj, getterName, targets) => {
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return Promise.all(targets.map(target => self.getterRejects(t, obj, getterName, target)));
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};
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self.methodRejects = (t, obj, methodName, target, args) => {
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const method = obj[methodName];
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return promise_rejects(t, new TypeError(), method.apply(target, args),
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methodName + ' should reject with a TypeError');
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};
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self.methodRejectsForAll = (t, obj, methodName, targets, args) => {
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return Promise.all(targets.map(target => self.methodRejects(t, obj, methodName, target, args)));
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};
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self.getterThrows = (obj, getterName, target) => {
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const getter = Object.getOwnPropertyDescriptor(obj, getterName).get;
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assert_throws(new TypeError(), () => getter.call(target), getterName + ' should throw a TypeError');
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};
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self.getterThrowsForAll = (obj, getterName, targets) => {
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targets.forEach(target => self.getterThrows(obj, getterName, target));
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};
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self.methodThrows = (obj, methodName, target, args) => {
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const method = obj[methodName];
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assert_equals(typeof method, 'function', methodName + ' should exist');
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assert_throws(new TypeError(), () => method.apply(target, args), methodName + ' should throw a TypeError');
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};
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self.methodThrowsForAll = (obj, methodName, targets, args) => {
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targets.forEach(target => self.methodThrows(obj, methodName, target, args));
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};
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self.constructorThrowsForAll = (constructor, firstArgs) => {
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firstArgs.forEach(firstArg => assert_throws(new TypeError(), () => new constructor(firstArg),
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'constructor should throw a TypeError'));
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};
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self.garbageCollect = () => {
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if (self.gc) {
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// Use --expose_gc for V8 (and Node.js)
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// Exposed in SpiderMonkey shell as well
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self.gc();
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} else if (self.GCController) {
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// Present in some WebKit development environments
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GCController.collect();
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} else {
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/* eslint-disable no-console */
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console.warn('Tests are running without the ability to do manual garbage collection. They will still work, but ' +
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'coverage will be suboptimal.');
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/* eslint-enable no-console */
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}
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};
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self.delay = ms => new Promise(resolve => step_timeout(resolve, ms));
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// For tests which verify that the implementation doesn't do something it shouldn't, it's better not to use a
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// timeout. Instead, assume that any reasonable implementation is going to finish work after 2 times around the event
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// loop, and use flushAsyncEvents().then(() => assert_array_equals(...));
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// Some tests include promise resolutions which may mean the test code takes a couple of event loop visits itself. So go
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// around an extra 2 times to avoid complicating those tests.
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self.flushAsyncEvents = () => delay(0).then(() => delay(0)).then(() => delay(0)).then(() => delay(0));
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