Function verifyThrownError

packages/compiler-cli/test/ngtsc/ngtsc_spec.ts:2845–2852

(errorCode: ErrorCode, errorMessage: string)

    describe('error handling', () => {
      function verifyThrownError(errorCode: ErrorCode, errorMessage: string) {
        const errors = env.driveDiagnostics();
        expect(errors.length).toBe(1);
        const {code, messageText} = errors[0];
        expect(code).toBe(ngErrorCode(errorCode));
        const text = ts.flattenDiagnosticMessageText(messageText, '\n');
        expect(trim(text)).toContain(errorMessage);
      }

      it('should throw if invalid arguments are provided in @NgModule', () => {
        env.tsconfig({});