gecko-dev/intl/gtest/TestEncoding.cpp

65 строки
2.0 KiB
C++

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
#include "gtest/gtest.h"
#include "mozilla/Encoding.h"
#include <type_traits>
#define ENCODING_TEST(name) TEST(EncodingTest, name)
using namespace mozilla;
static_assert(std::is_standard_layout<NotNull<const Encoding*>>::value,
"NotNull<const Encoding*> must be a standard layout type.");
// These tests mainly test that the C++ interface seems to
// reach the Rust code. More thorough testing of the back
// end is done in Rust.
ENCODING_TEST(ForLabel) {
nsAutoCString label(" uTf-8 ");
ASSERT_EQ(Encoding::ForLabel(label), UTF_8_ENCODING);
label.AssignLiteral(" cseucpkdfmTjapanese ");
ASSERT_EQ(Encoding::ForLabel(label), EUC_JP_ENCODING);
}
ENCODING_TEST(ForBOM) {
nsAutoCString data("\xEF\xBB\xBF\x61");
const Encoding* encoding;
size_t bomLength;
std::tie(encoding, bomLength) = Encoding::ForBOM(data);
ASSERT_EQ(encoding, UTF_8_ENCODING);
ASSERT_EQ(bomLength, 3U);
data.AssignLiteral("\xFF\xFE");
std::tie(encoding, bomLength) = Encoding::ForBOM(data);
ASSERT_EQ(encoding, UTF_16LE_ENCODING);
ASSERT_EQ(bomLength, 2U);
data.AssignLiteral("\xFE\xFF");
std::tie(encoding, bomLength) = Encoding::ForBOM(data);
ASSERT_EQ(encoding, UTF_16BE_ENCODING);
ASSERT_EQ(bomLength, 2U);
data.AssignLiteral("\xEF\xBB");
std::tie(encoding, bomLength) = Encoding::ForBOM(data);
ASSERT_EQ(encoding, nullptr);
ASSERT_EQ(bomLength, 0U);
}
ENCODING_TEST(Name) {
nsAutoCString name;
UTF_8_ENCODING->Name(name);
ASSERT_TRUE(name.EqualsLiteral("UTF-8"));
GBK_ENCODING->Name(name);
ASSERT_TRUE(name.EqualsLiteral("GBK"));
}
ENCODING_TEST(CanEncodeEverything) {
ASSERT_TRUE(UTF_8_ENCODING->CanEncodeEverything());
ASSERT_FALSE(GB18030_ENCODING->CanEncodeEverything());
}
ENCODING_TEST(IsAsciiCompatible) {
ASSERT_TRUE(UTF_8_ENCODING->IsAsciiCompatible());
ASSERT_FALSE(ISO_2022_JP_ENCODING->IsAsciiCompatible());
}