spy.threw

Returns true, when the fake, spy or stub threw an exception at least once.

<<< ../../../.vitepress/tests/docs/spies/api/threw-1.test.js

spy.threw("TypeError")

Returns true , when the fake, spy or stub threw an exception of the provided type at least once.

<<< ../../../.vitepress/tests/docs/spies/api/threw-2.test.js

Resetting threw to default

You can reset threw in three different ways:

• spy.resetHistory
• sinon.resetHistory
• sinon.reset