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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/sys_string_conversions.h"
#import <Foundation/Foundation.h>
#include <string>
#include "base/strings/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
TEST(SysStrings, ConversionsFromNSString) {
EXPECT_STREQ("Hello, world!", SysNSStringToUTF8(@"Hello, world!").c_str());
// Conversions should be able to handle a NULL value without crashing.
EXPECT_STREQ("", SysNSStringToUTF8(nil).c_str());
EXPECT_EQ(std::u16string(), SysNSStringToUTF16(nil));
}
std::vector<std::string> GetRoundTripStrings() {
return {
"Hello, World!", // ASCII / ISO-8859 string (also valid UTF-8)
"a\0b", // UTF-8 with embedded NUL byte
"λf", // lowercase lambda + 'f'
"χρώμιο", // "chromium" in greek
"כרום", // "chromium" in hebrew
"クロム", // "chromium" in japanese
// Tarot card symbol "the morning", which is outside of the BMP and is not
// representable with one UTF-16 code unit.
"🃦",
};
}
TEST(SysStrings, RoundTripsFromUTF8) {
for (const auto& string8 : GetRoundTripStrings()) {
NSString* nsstring8 = SysUTF8ToNSString(string8);
std::string back8 = SysNSStringToUTF8(nsstring8);
EXPECT_EQ(string8, back8);
}
}
TEST(SysStrings, RoundTripsFromUTF16) {
for (const auto& string8 : GetRoundTripStrings()) {
std::u16string string16 = base::UTF8ToUTF16(string8);
NSString* nsstring16 = SysUTF16ToNSString(string16);
std::u16string back16 = SysNSStringToUTF16(nsstring16);
EXPECT_EQ(string16, back16);
}
}
} // namespace base
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