Added sinon to test console.warn

package.json

@@ -32,6 +32,7 @@
     "fraction.js": "4.3.4",
     "javascript-natural-sort": "^0.7.1",
     "seedrandom": "^3.0.5",
+    "sinon": "^17.0.1",
     "tiny-emitter": "^2.1.0",
     "typed-function": "^4.1.1"
   },

test/unit-tests/core/config.test.js

@@ -1,5 +1,6 @@
 import assert from 'assert'
 import math from '../../../src/defaultInstance.js'
+import sinon from 'sinon'
 
 describe('config', function () {
   it('should allow setting config after having overwritten import', function () {
@@ -20,7 +21,20 @@ describe('config', function () {
 
   it('should work with config epsilon during depercation', function () {
     const math2 = math.create()
+    // Add a spy to temporary disable console.warn
+    const warnStub = sinon.stub(console, 'warn')
+
+    // Set epsilon to throw a warning and set relTol and absTol
     assert.doesNotThrow(function () { math2.config({ epsilon: 1e-5 }) })
+
+    // Check if epsilon is set as relTol and absTol
     assert.strictEqual(math2.config().relTol, 1e-5)
+    assert.strictEqual(math2.config().absTol, 1e-8)
+
+    // Check if console.warn was called
+    assert.strictEqual(warnStub.callCount, 1)
+
+    // Restore console.warn
+    warnStub.restore()
   })
 })

types/index.d.ts

@@ -4300,6 +4300,9 @@ export interface Help {
 export interface ConfigOptions {
   relTol?: number
   absTol?: number
+  /**
+   * @deprecated Use `relTol` and `absTol` instead
+   */
   epsilon?: number
   matrix?: 'Matrix' | 'Array'
   number?: 'number' | 'BigNumber' | 'Fraction'