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'use strict'; require('../common'); const assert = require('assert'); const { describe, it } = require('node:test'); describe('assert.CallTracker.getCalls()', { concurrency: true }, () => { const tracker = new assert.CallTracker(); it('should return empty list when no calls', () => { const fn = tracker.calls(); assert.deepStrictEqual(tracker.getCalls(fn), []); }); it('should return calls', () => { const fn = tracker.calls(() => {}); const arg1 = {}; const arg2 = {}; fn(arg1, arg2); fn.call(arg2, arg2); assert.deepStrictEqual(tracker.getCalls(fn), [ { arguments: [arg1, arg2], thisArg: undefined }, { arguments: [arg2], thisArg: arg2 }]); }); it('should throw when getting calls of a non-tracked function', () => { [() => {}, 1, true, null, undefined, {}, []].forEach((fn) => { assert.throws(() => tracker.getCalls(fn), { code: 'ERR_INVALID_ARG_VALUE' }); }); }); it('should return a frozen object', () => { const fn = tracker.calls(); fn(); const calls = tracker.getCalls(fn); assert.throws(() => calls.push(1), /object is not extensible/); assert.throws(() => Object.assign(calls[0], { foo: 'bar' }), /object is not extensible/); assert.throws(() => calls[0].arguments.push(1), /object is not extensible/); }); }); describe('assert.CallTracker.reset()', () => { const tracker = new assert.CallTracker(); it('should reset calls', () => { const fn = tracker.calls(); fn(); fn(); fn(); assert.strictEqual(tracker.getCalls(fn).length, 3); tracker.reset(fn); assert.deepStrictEqual(tracker.getCalls(fn), []); }); it('should reset all calls', () => { const fn1 = tracker.calls(); const fn2 = tracker.calls(); fn1(); fn2(); assert.strictEqual(tracker.getCalls(fn1).length, 1); assert.strictEqual(tracker.getCalls(fn2).length, 1); tracker.reset(); assert.deepStrictEqual(tracker.getCalls(fn1), []); assert.deepStrictEqual(tracker.getCalls(fn2), []); }); it('should throw when resetting a non-tracked function', () => { [() => {}, 1, true, null, {}, []].forEach((fn) => { assert.throws(() => tracker.reset(fn), { code: 'ERR_INVALID_ARG_VALUE' }); }); }); });