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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "gtest/gtest.h"
#include "mozilla/intl/IDNA.h"
#include "mozilla/Span.h"
#include "TestBuffer.h"
namespace mozilla::intl {
TEST(IntlIDNA, LabelToUnicodeBasic)
{
auto createResult = IDNA::TryCreate(IDNA::ProcessingType::NonTransitional);
ASSERT_TRUE(createResult.isOk());
auto idna = createResult.unwrap();
// 'A' and 'ª' are mapped to 'a'.
TestBuffer<char16_t> buf16;
auto convertResult = idna->LabelToUnicode(MakeStringSpan(u"Aa\u00aa"), buf16);
ASSERT_TRUE(convertResult.isOk());
intl::IDNA::Info info = convertResult.unwrap();
ASSERT_TRUE(!info.HasErrors());
ASSERT_EQ(buf16.get_string_view(), u"aaa");
buf16.clear();
// For nontransitional processing 'ß' is still mapped to 'ß'.
convertResult = idna->LabelToUnicode(MakeStringSpan(u"Faß"), buf16);
ASSERT_TRUE(convertResult.isOk());
info = convertResult.unwrap();
ASSERT_TRUE(!info.HasErrors());
ASSERT_EQ(buf16.get_string_view(), u"faß");
}
TEST(IntlIDNA, LabelToUnicodeBasicTransitional)
{
auto createResult = IDNA::TryCreate(IDNA::ProcessingType::Transitional);
ASSERT_TRUE(createResult.isOk());
auto idna = createResult.unwrap();
TestBuffer<char16_t> buf16;
// For transitional processing 'ß' will be mapped to 'ss'.
auto convertResult = idna->LabelToUnicode(MakeStringSpan(u"Faß"), buf16);
ASSERT_TRUE(convertResult.isOk());
intl::IDNA::Info info = convertResult.unwrap();
ASSERT_TRUE(!info.HasErrors());
ASSERT_EQ(buf16.get_string_view(), u"fass");
}
TEST(IntlIDNA, LabelToUnicodeHasErrors)
{
auto createResult = IDNA::TryCreate(IDNA::ProcessingType::NonTransitional);
ASSERT_TRUE(createResult.isOk());
auto idna = createResult.unwrap();
TestBuffer<char16_t> buf16;
// \u0378 is a reserved charactor, conversion should be disallowed.
auto convertResult = idna->LabelToUnicode(MakeStringSpan(u"\u0378"), buf16);
ASSERT_TRUE(convertResult.isOk());
intl::IDNA::Info info = convertResult.unwrap();
ASSERT_TRUE(info.HasErrors());
buf16.clear();
// FULL STOP '.' is not allowed.
convertResult = idna->LabelToUnicode(MakeStringSpan(u"a.b"), buf16);
ASSERT_TRUE(convertResult.isOk());
info = convertResult.unwrap();
ASSERT_TRUE(info.HasErrors());
}
TEST(IntlIDNA, LabelToUnicodeHasInvalidPunycode)
{
auto createResult = IDNA::TryCreate(IDNA::ProcessingType::NonTransitional);
ASSERT_TRUE(createResult.isOk());
auto idna = createResult.unwrap();
TestBuffer<char16_t> buf16;
auto convertResult =
idna->LabelToUnicode(MakeStringSpan(u"xn--a-ecp.ru"), buf16);
ASSERT_TRUE(convertResult.isOk());
intl::IDNA::Info info = convertResult.unwrap();
ASSERT_TRUE(info.HasInvalidPunycode());
buf16.clear();
convertResult = idna->LabelToUnicode(MakeStringSpan(u"xn--0.pt"), buf16);
ASSERT_TRUE(convertResult.isOk());
info = convertResult.unwrap();
ASSERT_TRUE(info.HasInvalidPunycode());
}
TEST(IntlIDNA, LabelToUnicodeHasInvalidHyphen)
{
auto createResult = IDNA::TryCreate(IDNA::ProcessingType::NonTransitional);
ASSERT_TRUE(createResult.isOk());
auto idna = createResult.unwrap();
TestBuffer<char16_t> buf16;
// Leading hyphen.
auto convertResult = idna->LabelToUnicode(MakeStringSpan(u"-a"), buf16);
ASSERT_TRUE(convertResult.isOk());
intl::IDNA::Info info = convertResult.unwrap();
ASSERT_TRUE(info.HasErrors());
ASSERT_TRUE(info.HasInvalidHyphen());
buf16.clear();
// Trailing hyphen.
convertResult = idna->LabelToUnicode(MakeStringSpan(u"a-"), buf16);
ASSERT_TRUE(convertResult.isOk());
info = convertResult.unwrap();
ASSERT_TRUE(info.HasInvalidHyphen());
buf16.clear();
// Contains hyphens in both 3rd and 4th positions.
convertResult = idna->LabelToUnicode(MakeStringSpan(u"ab--c"), buf16);
ASSERT_TRUE(convertResult.isOk());
info = convertResult.unwrap();
ASSERT_TRUE(info.HasInvalidHyphen());
}
} // namespace mozilla::intl