method

test.MatchersBuiltin.toSatisfy

predicate: (value: T) => boolean

): R;

Asserts that a value satisfies a custom condition.

@param predicate

a function that receives the value passed to expect and returns a boolean

expect(1).toSatisfy((val) => val > 0);
expect("foo").toSatisfy((val) => val === "foo");
expect("bar").not.toSatisfy((val) => val === "bun");