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// Copyright 2021 Code Intelligence GmbH
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <jni.h>
#include <cstddef>
#include <cstdint>
#include <random>
#include <string>
#include <vector>
#include "gtest/gtest.h"
namespace jazzer {
std::pair<std::string, jint> FixUpModifiedUtf8(const uint8_t *pos,
jint max_bytes, jint max_length,
bool ascii_only,
bool stop_on_backslash);
}
std::pair<std::string, jint> FixUpRemainingModifiedUtf8(
const std::string &str, bool ascii_only, bool stop_on_backslash) {
return jazzer::FixUpModifiedUtf8(
reinterpret_cast<const uint8_t *>(str.c_str()), str.length(),
std::numeric_limits<jint>::max(), ascii_only, stop_on_backslash);
}
std::pair<std::string, jint> expect(const std::string &s, jint i) {
return std::make_pair(s, i);
}
using namespace std::literals::string_literals;
TEST(FixUpModifiedUtf8Test, FullUtf8_ContinueOnBackslash) {
EXPECT_EQ(expect("jazzer"s, 6),
FixUpRemainingModifiedUtf8("jazzer"s, false, false));
EXPECT_EQ(expect("ja\xC0\x80zzer"s, 7),
FixUpRemainingModifiedUtf8("ja\0zzer"s, false, false));
EXPECT_EQ(expect("ja\xC0\x80\xC0\x80zzer"s, 8),
FixUpRemainingModifiedUtf8("ja\0\0zzer"s, false, false));
EXPECT_EQ(expect("ja\\zzer"s, 7),
FixUpRemainingModifiedUtf8("ja\\zzer"s, false, false));
EXPECT_EQ(expect("ja\\\\zzer"s, 8),
FixUpRemainingModifiedUtf8("ja\\\\zzer"s, false, false));
EXPECT_EQ(expect("ۧ"s, 5),
FixUpRemainingModifiedUtf8(u8"ۧ"s, false, false));
}
TEST(FixUpModifiedUtf8Test, AsciiOnly_ContinueOnBackslash) {
EXPECT_EQ(expect("jazzer"s, 6),
FixUpRemainingModifiedUtf8("jazzer"s, true, false));
EXPECT_EQ(expect("ja\xC0\x80zzer"s, 7),
FixUpRemainingModifiedUtf8("ja\0zzer"s, true, false));
EXPECT_EQ(expect("ja\xC0\x80\xC0\x80zzer"s, 8),
FixUpRemainingModifiedUtf8("ja\0\0zzer"s, true, false));
EXPECT_EQ(expect("ja\\zzer"s, 7),
FixUpRemainingModifiedUtf8("ja\\zzer"s, true, false));
EXPECT_EQ(expect("ja\\\\zzer"s, 8),
FixUpRemainingModifiedUtf8("ja\\\\zzer"s, true, false));
EXPECT_EQ(expect("\x62\x02\x2C\x43\x1F"s, 5),
FixUpRemainingModifiedUtf8(u8"ۧ"s, true, false));
}
TEST(FixUpModifiedUtf8Test, FullUtf8_StopOnBackslash) {
EXPECT_EQ(expect("jazzer"s, 6),
FixUpRemainingModifiedUtf8("jazzer"s, false, true));
EXPECT_EQ(expect("ja\xC0\x80zzer"s, 7),
FixUpRemainingModifiedUtf8("ja\0zzer"s, false, true));
EXPECT_EQ(expect("ja\xC0\x80\xC0\x80zzer"s, 8),
FixUpRemainingModifiedUtf8("ja\0\0zzer"s, false, true));
EXPECT_EQ(expect("ja"s, 4),
FixUpRemainingModifiedUtf8("ja\\zzer"s, false, true));
EXPECT_EQ(expect("ja\\zzer"s, 8),
FixUpRemainingModifiedUtf8("ja\\\\zzer"s, false, true));
}
TEST(FixUpModifiedUtf8Test, AsciiOnly_StopOnBackslash) {
EXPECT_EQ(expect("jazzer"s, 6),
FixUpRemainingModifiedUtf8("jazzer"s, true, true));
EXPECT_EQ(expect("ja\xC0\x80zzer"s, 7),
FixUpRemainingModifiedUtf8("ja\0zzer"s, true, true));
EXPECT_EQ(expect("ja\xC0\x80\xC0\x80zzer"s, 8),
FixUpRemainingModifiedUtf8("ja\0\0zzer"s, true, true));
EXPECT_EQ(expect("ja"s, 4),
FixUpRemainingModifiedUtf8("ja\\zzer"s, true, true));
EXPECT_EQ(expect("ja\\zzer"s, 8),
FixUpRemainingModifiedUtf8("ja\\\\zzer"s, true, true));
}
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