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191 lines (152 loc) · 5.73 KB
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as assert from 'assert';
import { DisposableStore, dispose, IDisposable, MultiDisposeError, ReferenceCollection, toDisposable } from 'vs/base/common/lifecycle';
class Disposable implements IDisposable {
isDisposed = false;
dispose() { this.isDisposed = true; }
}
suite('Lifecycle', () => {
test('dispose single disposable', () => {
const disposable = new Disposable();
assert(!disposable.isDisposed);
dispose(disposable);
assert(disposable.isDisposed);
});
test('dispose disposable array', () => {
const disposable = new Disposable();
const disposable2 = new Disposable();
assert(!disposable.isDisposed);
assert(!disposable2.isDisposed);
dispose([disposable, disposable2]);
assert(disposable.isDisposed);
assert(disposable2.isDisposed);
});
test('dispose disposables', () => {
const disposable = new Disposable();
const disposable2 = new Disposable();
assert(!disposable.isDisposed);
assert(!disposable2.isDisposed);
dispose(disposable);
dispose(disposable2);
assert(disposable.isDisposed);
assert(disposable2.isDisposed);
});
test('dispose array should dispose all if a child throws on dispose', () => {
const disposedValues = new Set<number>();
let thrownError: any;
try {
dispose([
toDisposable(() => { disposedValues.add(1); }),
toDisposable(() => { throw new Error('I am error'); }),
toDisposable(() => { disposedValues.add(3); }),
]);
} catch (e) {
thrownError = e;
}
assert.ok(disposedValues.has(1));
assert.ok(disposedValues.has(3));
assert.strictEqual(thrownError.message, 'I am error');
});
test('dispose array should rethrow composite error if multiple entries throw on dispose', () => {
const disposedValues = new Set<number>();
let thrownError: any;
try {
dispose([
toDisposable(() => { disposedValues.add(1); }),
toDisposable(() => { throw new Error('I am error 1'); }),
toDisposable(() => { throw new Error('I am error 2'); }),
toDisposable(() => { disposedValues.add(4); }),
]);
} catch (e) {
thrownError = e;
}
assert.ok(disposedValues.has(1));
assert.ok(disposedValues.has(4));
assert.ok(thrownError instanceof MultiDisposeError);
assert.strictEqual((thrownError as MultiDisposeError).errors.length, 2);
assert.strictEqual((thrownError as MultiDisposeError).errors[0].message, 'I am error 1');
assert.strictEqual((thrownError as MultiDisposeError).errors[1].message, 'I am error 2');
});
test('Action bar has broken accessibility #100273', function () {
let array = [{ dispose() { } }, { dispose() { } }];
let array2 = dispose(array);
assert.equal(array.length, 2);
assert.equal(array2.length, 0);
assert.ok(array !== array2);
let set = new Set<IDisposable>([{ dispose() { } }, { dispose() { } }]);
let setValues = set.values();
let setValues2 = dispose(setValues);
assert.ok(setValues === setValues2);
});
});
suite('DisposableStore', () => {
test('dispose should call all child disposes even if a child throws on dispose', () => {
const disposedValues = new Set<number>();
const store = new DisposableStore();
store.add(toDisposable(() => { disposedValues.add(1); }));
store.add(toDisposable(() => { throw new Error('I am error'); }));
store.add(toDisposable(() => { disposedValues.add(3); }));
let thrownError: any;
try {
store.dispose();
} catch (e) {
thrownError = e;
}
assert.ok(disposedValues.has(1));
assert.ok(disposedValues.has(3));
assert.strictEqual(thrownError.message, 'I am error');
});
test('dispose should throw composite error if multiple children throw on dispose', () => {
const disposedValues = new Set<number>();
const store = new DisposableStore();
store.add(toDisposable(() => { disposedValues.add(1); }));
store.add(toDisposable(() => { throw new Error('I am error 1'); }));
store.add(toDisposable(() => { throw new Error('I am error 2'); }));
store.add(toDisposable(() => { disposedValues.add(4); }));
let thrownError: any;
try {
store.dispose();
} catch (e) {
thrownError = e;
}
assert.ok(disposedValues.has(1));
assert.ok(disposedValues.has(4));
assert.ok(thrownError instanceof MultiDisposeError);
assert.strictEqual((thrownError as MultiDisposeError).errors.length, 2);
assert.strictEqual((thrownError as MultiDisposeError).errors[0].message, 'I am error 1');
assert.strictEqual((thrownError as MultiDisposeError).errors[1].message, 'I am error 2');
});
});
suite('Reference Collection', () => {
class Collection extends ReferenceCollection<number> {
private _count = 0;
get count() { return this._count; }
protected createReferencedObject(key: string): number { this._count++; return key.length; }
protected destroyReferencedObject(key: string, object: number): void { this._count--; }
}
test('simple', () => {
const collection = new Collection();
const ref1 = collection.acquire('test');
assert(ref1);
assert.equal(ref1.object, 4);
assert.equal(collection.count, 1);
ref1.dispose();
assert.equal(collection.count, 0);
const ref2 = collection.acquire('test');
const ref3 = collection.acquire('test');
assert.equal(ref2.object, ref3.object);
assert.equal(collection.count, 1);
const ref4 = collection.acquire('monkey');
assert.equal(ref4.object, 6);
assert.equal(collection.count, 2);
ref2.dispose();
assert.equal(collection.count, 2);
ref3.dispose();
assert.equal(collection.count, 1);
ref4.dispose();
assert.equal(collection.count, 0);
});
});