Test for hidden value workarounds for checkbox inputs so they can send "false"

Author: winstonwolff

src/__tests__/to-have-form-values.js

@@ -189,6 +189,19 @@ describe('.toHaveFormValues', () => {
       }).toThrowError(/must be of the same type/)
     })
 
+    it('allows a checkbox and a hidden input which is a common workaround so forms can send "false" for a checkbox', () => {
+      const {container} = render(`
+        <form>
+          <input type="hidden" name="sample-checkbox" value=0>
+          <input type="checkbox" name="sample-checkbox" value=1>
+        </form>
+      `)
+      const form = container.querySelector('form')
+      expect(() => {
+        expect(form).toHaveFormValues({ "sample-checkbox": 1})
+      }).not.toThrowError()
+    })
+
     it('detects multiple elements with the same type and name', () => {
       const {container} = render(`
         <form>