213 lines
6.8 KiB
C++
213 lines
6.8 KiB
C++
// Copyright (c) 2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <boost/optional/optional.hpp>
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#include <string.h>
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#include "gtest/gtest.h"
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#include "misc_log_ex.h"
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#include "wipeable_string.h"
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#include "hex.h"
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TEST(wipeable_string, ctor)
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{
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epee::wipeable_string s0;
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ASSERT_EQ(s0.size(), 0);
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epee::wipeable_string s1(std::string("foo"));
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ASSERT_EQ(s1.size(), 3);
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ASSERT_TRUE(!memcmp(s1.data(), "foo", s1.size()));
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epee::wipeable_string s2(std::string("bar"));
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ASSERT_EQ(s2.size(), 3);
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ASSERT_TRUE(!memcmp(s2.data(), "bar", s2.size()));
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epee::wipeable_string s3(std::string("quux"));
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ASSERT_EQ(s3.size(), 4);
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ASSERT_TRUE(!memcmp(s3.data(), "quux", s3.size()));
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}
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TEST(wipeable_string, wipe)
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{
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epee::wipeable_string s0(std::string("foo"));
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ASSERT_EQ(s0.size(), 3);
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s0.wipe();
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ASSERT_EQ(s0.size(), 3);
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ASSERT_TRUE(!memcmp(s0.data(), "\0\0\0", 3));
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}
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TEST(wipeable_string, clear)
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{
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epee::wipeable_string s0(std::string("foo"));
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ASSERT_EQ(s0.size(), 3);
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s0.clear();
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ASSERT_EQ(s0.size(), 0);
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}
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TEST(wipeable_string, push_back)
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{
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epee::wipeable_string s0(std::string("fo"));
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ASSERT_EQ(s0.size(), 2);
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s0.push_back('o');
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ASSERT_EQ(s0.size(), 3);
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ASSERT_TRUE(!memcmp(s0.data(), "foo", s0.size()));
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}
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TEST(wipeable_string, append_char)
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{
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epee::wipeable_string s0(std::string("fo"));
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ASSERT_EQ(s0.size(), 2);
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s0 += 'o';
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ASSERT_EQ(s0.size(), 3);
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ASSERT_TRUE(!memcmp(s0.data(), "foo", s0.size()));
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}
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TEST(wipeable_string, append_string)
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{
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epee::wipeable_string s0(std::string("foo"));
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ASSERT_EQ(s0.size(), 3);
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s0 += "bar";
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ASSERT_EQ(s0.size(), 6);
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ASSERT_TRUE(!memcmp(s0.data(), "foobar", s0.size()));
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}
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TEST(wipeable_string, empty)
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{
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epee::wipeable_string s0;
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ASSERT_TRUE(s0.empty());
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s0.push_back(' ');
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ASSERT_FALSE(s0.empty());
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ASSERT_EQ(s0.pop_back(), ' ');
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ASSERT_TRUE(s0.empty());
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}
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TEST(wipeable_string, pop_back)
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{
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epee::wipeable_string s = "test";
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ASSERT_EQ(s.size(), 4);
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ASSERT_EQ(s.pop_back(), 't');
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ASSERT_EQ(s.size(), 3);
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ASSERT_TRUE(!memcmp(s.data(), "tes", s.size()));
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}
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TEST(wipeable_string, equal)
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{
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epee::wipeable_string s0 = "foo";
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epee::wipeable_string s1 = "bar";
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epee::wipeable_string s0_2 = "foo";
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ASSERT_TRUE(s0 == s0);
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ASSERT_TRUE(s0 == s0_2);
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ASSERT_TRUE(s1 == s1);
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ASSERT_FALSE(s1 == s0);
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ASSERT_FALSE(s1 == s0_2);
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}
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TEST(wipeable_string, not_equal)
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{
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epee::wipeable_string s0 = "foo";
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epee::wipeable_string s1 = "bar";
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epee::wipeable_string s0_2 = "foo";
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ASSERT_FALSE(s0 != s0);
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ASSERT_FALSE(s0 != s0_2);
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ASSERT_FALSE(s1 != s1);
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ASSERT_TRUE(s1 != s0);
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ASSERT_TRUE(s1 != s0_2);
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}
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static epee::wipeable_string trimmed(const char *s)
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{
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epee::wipeable_string str(s);
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str.trim();
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return str;
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}
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TEST(wipeable_string, trim)
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{
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ASSERT_TRUE(trimmed("") == "");
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ASSERT_TRUE(trimmed(" ") == "");
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ASSERT_TRUE(trimmed(" ") == "");
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ASSERT_TRUE(trimmed("a") == "a");
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ASSERT_TRUE(trimmed(" a") == "a");
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ASSERT_TRUE(trimmed(" a") == "a");
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ASSERT_TRUE(trimmed("a ") == "a");
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ASSERT_TRUE(trimmed("a ") == "a");
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ASSERT_TRUE(trimmed(" a ") == "a");
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ASSERT_TRUE(trimmed(" a ") == "a");
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ASSERT_TRUE(trimmed(" ab ") == "ab");
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ASSERT_TRUE(trimmed(" a b ") == "a b");
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ASSERT_TRUE(trimmed(" a b ") == "a b");
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}
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static bool check_split(const char *s, const std::vector<epee::wipeable_string> &v)
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{
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epee::wipeable_string str(s);
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std::vector<epee::wipeable_string> fields;
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str.split(fields);
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return v == fields;
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}
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TEST(wipeable_string, split)
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{
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ASSERT_TRUE(check_split("", {}));
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ASSERT_TRUE(check_split("foo", {"foo"}));
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ASSERT_TRUE(check_split(" foo ", {"foo"}));
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ASSERT_TRUE(check_split("foo bar", {"foo", "bar"}));
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ASSERT_TRUE(check_split("foo bar", {"foo", "bar"}));
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ASSERT_TRUE(check_split("foo bar baz", {"foo", "bar", "baz"}));
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ASSERT_TRUE(check_split(" foo bar baz ", {"foo", "bar", "baz"}));
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ASSERT_TRUE(check_split(" foo bar baz", {"foo", "bar", "baz"}));
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ASSERT_TRUE(check_split("foo bar baz ", {"foo", "bar", "baz"}));
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ASSERT_TRUE(check_split("\tfoo\n bar\r\nbaz", {"foo", "bar", "baz"}));
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}
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TEST(wipeable_string, parse_hexstr)
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{
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boost::optional<epee::wipeable_string> s;
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ASSERT_EQ(boost::none, epee::wipeable_string("x").parse_hexstr());
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ASSERT_EQ(boost::none, epee::wipeable_string("x0000000000000000").parse_hexstr());
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ASSERT_EQ(boost::none, epee::wipeable_string("0000000000000000x").parse_hexstr());
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ASSERT_EQ(boost::none, epee::wipeable_string("0").parse_hexstr());
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ASSERT_EQ(boost::none, epee::wipeable_string("000").parse_hexstr());
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ASSERT_TRUE((s = epee::wipeable_string("").parse_hexstr()) != boost::none);
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ASSERT_EQ(*s, "");
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ASSERT_TRUE((s = epee::wipeable_string("00").parse_hexstr()) != boost::none);
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ASSERT_EQ(*s, epee::wipeable_string("", 1));
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ASSERT_TRUE((s = epee::wipeable_string("41").parse_hexstr()) != boost::none);
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ASSERT_EQ(*s, epee::wipeable_string("A"));
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ASSERT_TRUE((s = epee::wipeable_string("414243").parse_hexstr()) != boost::none);
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ASSERT_EQ(*s, epee::wipeable_string("ABC"));
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}
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TEST(wipeable_string, to_hex)
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{
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ASSERT_TRUE(epee::to_hex::wipeable_string(epee::span<const uint8_t>((const uint8_t*)"", 0)) == epee::wipeable_string(""));
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ASSERT_TRUE(epee::to_hex::wipeable_string(epee::span<const uint8_t>((const uint8_t*)"abc", 3)) == epee::wipeable_string("616263"));
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}
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