firebase-ios-sdk/Firestore/Example/Tests/Util/FSTUtilTests.m

/*
 * Copyright 2017 Google
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#import "Util/FSTUtil.h"

#import <XCTest/XCTest.h>

@interface FSTUtilTests : XCTestCase
@end

@implementation FSTUtilTests

- (void)testAutoID {
  NSString *autoID = [FSTUtil autoID];
  XCTAssertEqual([autoID length], 20);
  for (NSUInteger i = 0; i < 20; i++) {
    unichar c = [autoID characterAtIndex:i];
    XCTAssert(c >= ' ' && c <= '~', @"Should be printable ascii characters.");
  }
}

@end