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Add support for the alternative base64 encoding in RFC 4648 section 5 to WhenBase64Unescaped.

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PiperOrigin-RevId: 507527786
Change-Id: Ie5e088b1814981f6c760d7e25418a430172705ec
This commit is contained in:
Abseil Team
2023-02-06 10:59:27 -08:00
committed by Copybara-Service
parent 2f2e72bae9
commit 3d568bdda5
3 changed files with 10 additions and 2 deletions
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7
googlemock/src/gmock-internal-utils.cc
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@@ -198,6 +198,10 @@ GTEST_API_ void IllegalDoDefault(const char* file, int line) {
"the variable in various places.");
}
constexpr char UndoWebSafeEncoding(char c) {
return c == '-' ? '+' : c == '_' ? '/' : c;
}
constexpr char UnBase64Impl(char c, const char* const base64, char carry) {
return *base64 == 0 ? static_cast<char>(65)
: *base64 == c
@@ -208,7 +212,8 @@ constexpr char UnBase64Impl(char c, const char* const base64, char carry) {
template <size_t... I>
constexpr std::array<char, 256> UnBase64Impl(IndexSequence<I...>,
const char* const base64) {
return {{UnBase64Impl(static_cast<char>(I), base64, 0)...}};
return {
{UnBase64Impl(UndoWebSafeEncoding(static_cast<char>(I)), base64, 0)...}};
}
constexpr std::array<char, 256> UnBase64(const char* const base64) {

3
googlemock/test/gmock-matchers-comparisons_test.cc
View File

@@ -1802,11 +1802,13 @@ TEST(WhenBase64UnescapedTest, MatchesUnescapedBase64Strings) {
EXPECT_FALSE(m1.Matches("invalid base64"));
EXPECT_FALSE(m1.Matches("aGVsbG8gd29ybGQ=")); // hello world
EXPECT_TRUE(m1.Matches("aGVsbG8gd29ybGQh")); // hello world!
EXPECT_TRUE(m1.Matches("+/-_IQ")); // \xfb\xff\xbf!
const Matcher<const std::string&> m2 = WhenBase64Unescaped(EndsWith("!"));
EXPECT_FALSE(m2.Matches("invalid base64"));
EXPECT_FALSE(m2.Matches("aGVsbG8gd29ybGQ=")); // hello world
EXPECT_TRUE(m2.Matches("aGVsbG8gd29ybGQh")); // hello world!
EXPECT_TRUE(m2.Matches("+/-_IQ")); // \xfb\xff\xbf!
#if GTEST_INTERNAL_HAS_STRING_VIEW
const Matcher<const internal::StringView&> m3 =
@@ -1814,6 +1816,7 @@ TEST(WhenBase64UnescapedTest, MatchesUnescapedBase64Strings) {
EXPECT_FALSE(m3.Matches("invalid base64"));
EXPECT_FALSE(m3.Matches("aGVsbG8gd29ybGQ=")); // hello world
EXPECT_TRUE(m3.Matches("aGVsbG8gd29ybGQh")); // hello world!
EXPECT_TRUE(m3.Matches("+/-_IQ")); // \xfb\xff\xbf!
#endif // GTEST_INTERNAL_HAS_STRING_VIEW
}