Variable toThrowFromPromiseMatcherConst

Calls the function and ensures it throws an error.

Optionally compares the error with expected. Allowed expected values:

• Regular expression - error message should match the pattern.
• String - error message should include the substring.
• Error object - error message should be equal to the message property of the object.
• Error class - error object should be an instance of the class.

Usage

expect(() => {
  throw new Error('Something bad');
}).toThrow();

expect(() => {
  throw new Error('Something bad');
}).toThrow(/something/);

expect(() => {
  throw new Error('Something bad');
}).toThrow(Error);
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