feat(expect): compare URLs by href

Change the "equal comparison" logic (as used by `toEqual`, `toStrictEqual`, etc.) to compare `URL` objects by their `href` property.

Closes #4614.

packages/expect/src/jest-utils.ts

@@ -96,6 +96,9 @@ function eq(
   if (a instanceof Error && b instanceof Error)
     return a.message === b.message
 
+  if (a instanceof URL && b instanceof URL)
+    return a.href === b.href
+
   if (Object.is(a, b))
     return true
 

test/core/test/jest-expect.test.ts

@@ -51,6 +51,12 @@ describe('jest-expect', () => {
     expect(new Date(0)).toEqual(new Date(0))
     expect(new Date('inValId')).toEqual(new Date('inValId'))
 
+    expect(new Error('message')).toEqual(new Error('message'))
+    expect(new Error('message')).not.toEqual(new Error('different message'))
+
+    expect(new URL('https://example.org')).toEqual(new URL('https://example.org'))
+    expect(new URL('https://example.org')).not.toEqual(new URL('https://different-example.org'))
+
     expect(BigInt(1)).toBeGreaterThan(BigInt(0))
     expect(1).toBeGreaterThan(BigInt(0))
     expect(BigInt(1)).toBeGreaterThan(0)