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path: root/Firestore/Example/Tests/Local/StringViewTests.mm
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/*
 * 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 "Firestore/Source/Local/StringView.h"

#import <XCTest/XCTest.h>
#include <leveldb/slice.h>

using Firestore::StringView;

#define ASSERT_NSSTRING_TO_STRINGVIEW_AND_BACK_OK(nsstr)                             \
  StringView sv(nsstr);                                                              \
  leveldb::Slice slice = sv;                                                         \
  NSString *afterConversion = [[NSString alloc] initWithBytes:slice.data()           \
                                                       length:slice.size()           \
                                                     encoding:NSUTF8StringEncoding]; \
  XCTAssertEqualObjects(afterConversion, nsstr);

@interface StringViewTests : XCTestCase
@end

@implementation StringViewTests

- (void)testStringViewNSStringToSliceWithUSAscii {
  NSString *usAsciiChars = @"abcdefg ABCDEFG 12345 !@#$%";
  ASSERT_NSSTRING_TO_STRINGVIEW_AND_BACK_OK(usAsciiChars);
}

- (void)testStringViewNSStringToSliceWithNonUSAscii {
  NSString *nonUsAsciiChars = @"ó¹";
  ASSERT_NSSTRING_TO_STRINGVIEW_AND_BACK_OK(nonUsAsciiChars);
}

@end