bc957e3945* test: wait for an async "closeWindow" call * fixup! test: wait for an async "closeWindow" call
41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import { closeWindow } from './lib/window-helpers';
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import { BaseWindow, WebContentsView } from 'electron/main';
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describe('WebContentsView', () => {
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let w: BaseWindow;
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afterEach(async () => {
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await closeWindow(w as any);
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w = null as unknown as BaseWindow;
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});
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it('can be used as content view', () => {
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w = new BaseWindow({ show: false });
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w.setContentView(new WebContentsView({}));
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});
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function triggerGCByAllocation () {
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const arr = [];
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for (let i = 0; i < 1000000; i++) {
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arr.push([]);
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}
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return arr;
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}
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it('doesn\'t crash when GCed during allocation', (done) => {
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// eslint-disable-next-line no-new
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new WebContentsView({});
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setTimeout(() => {
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// NB. the crash we're testing for is the lack of a current `v8::Context`
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// when emitting an event in WebContents's destructor. V8 is inconsistent
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// about whether or not there's a current context during garbage
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// collection, and it seems that `v8Util.requestGarbageCollectionForTesting`
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// causes a GC in which there _is_ a current context, so the crash isn't
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// triggered. Thus, we force a GC by other means: namely, by allocating a
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// bunch of stuff.
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triggerGCByAllocation();
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done();
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});
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});
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});
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