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AK: Add Utf16View::to_utf8 to convert the view to a UTF-8 AK::String

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This commit is contained in:
Timothy Flynn 2023-01-08 18:56:53 -05:00 • committed by Linus Groh
parent d0403ec14f
commit 2eacc7aec1
3 changed files with 17 additions and 10 deletions
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18
Tests/AK/TestUtf16.cpp
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@ -7,7 +7,7 @@
#include <LibTest/TestCase.h>
#include <AK/Array.h>
#include <AK/DeprecatedString.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <AK/Types.h>
#include <AK/Utf16View.h>
@ -53,17 +53,17 @@ TEST_CASE(decode_utf8)
TEST_CASE(encode_utf8)
{
{
DeprecatedString utf8_string("Привет, мир! 😀 γειά σου κόσμος こんにちは世界");
auto utf8_string = MUST(String::from_utf8("Привет, мир! 😀 γειά σου κόσμος こんにちは世界"sv));
auto string = MUST(AK::utf8_to_utf16(utf8_string));
Utf16View view { string };
EXPECT_EQ(MUST(view.to_deprecated_string(Utf16View::AllowInvalidCodeUnits::Yes)), utf8_string);
EXPECT_EQ(MUST(view.to_deprecated_string(Utf16View::AllowInvalidCodeUnits::No)), utf8_string);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes)), utf8_string);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No)), utf8_string);
}
{
auto encoded = Array { (u16)0xd83d };
Utf16View view { encoded };
EXPECT_EQ(MUST(view.to_deprecated_string(Utf16View::AllowInvalidCodeUnits::Yes)), "\xed\xa0\xbd"sv);
EXPECT_EQ(MUST(view.to_deprecated_string(Utf16View::AllowInvalidCodeUnits::No)), "\ufffd"sv);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes)), "\xed\xa0\xbd"sv);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No)), "\ufffd"sv);
}
}
@ -269,14 +269,14 @@ TEST_CASE(substring_view)
view = view.substring_view(7, 2);
EXPECT(view.length_in_code_units() == 2);
EXPECT_EQ(MUST(view.to_deprecated_string()), "😀"sv);
EXPECT_EQ(MUST(view.to_utf8()), "😀"sv);
}
{
Utf16View view { string };
view = view.substring_view(7, 1);
EXPECT(view.length_in_code_units() == 1);
EXPECT_EQ(MUST(view.to_deprecated_string(Utf16View::AllowInvalidCodeUnits::Yes)), "\xed\xa0\xbd"sv);
EXPECT_EQ(MUST(view.to_deprecated_string(Utf16View::AllowInvalidCodeUnits::No)), "\ufffd"sv);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::Yes)), "\xed\xa0\xbd"sv);
EXPECT_EQ(MUST(view.to_utf8(Utf16View::AllowInvalidCodeUnits::No)), "\ufffd"sv);
}
}