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// Copyright (c) 2009, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "breakpad_googletest_includes.h"
#include "common/linux/linux_libc_support.h"
namespace {
typedef testing::Test LinuxLibcSupportTest;
}
TEST(LinuxLibcSupportTest, strlen) {
static const char* test_data[] = { "", "a", "aa", "aaa", "aabc", NULL };
for (unsigned i = 0; ; ++i) {
if (!test_data[i])
break;
ASSERT_EQ(strlen(test_data[i]), my_strlen(test_data[i]));
}
}
TEST(LinuxLibcSupportTest, strcmp) {
static const char* test_data[] = {
"", "",
"a", "",
"", "a",
"a", "b",
"a", "a",
"ab", "aa",
"abc", "ab",
"abc", "abc",
NULL,
};
for (unsigned i = 0; ; ++i) {
if (!test_data[i*2])
break;
int libc_result = strcmp(test_data[i*2], test_data[i*2 + 1]);
if (libc_result > 1)
libc_result = 1;
else if (libc_result < -1)
libc_result = -1;
ASSERT_EQ(my_strcmp(test_data[i*2], test_data[i*2 + 1]), libc_result);
}
}
TEST(LinuxLibcSupportTest, strtoui) {
int result;
ASSERT_FALSE(my_strtoui(&result, ""));
ASSERT_FALSE(my_strtoui(&result, "-1"));
ASSERT_FALSE(my_strtoui(&result, "-"));
ASSERT_FALSE(my_strtoui(&result, "a"));
ASSERT_FALSE(my_strtoui(&result, "23472893472938472987987398472398"));
ASSERT_TRUE(my_strtoui(&result, "0"));
ASSERT_EQ(result, 0);
ASSERT_TRUE(my_strtoui(&result, "1"));
ASSERT_EQ(result, 1);
ASSERT_TRUE(my_strtoui(&result, "12"));
ASSERT_EQ(result, 12);
ASSERT_TRUE(my_strtoui(&result, "123"));
ASSERT_EQ(result, 123);
ASSERT_TRUE(my_strtoui(&result, "0123"));
ASSERT_EQ(result, 123);
}
TEST(LinuxLibcSupportTest, uint_len) {
ASSERT_EQ(my_uint_len(0), 1U);
ASSERT_EQ(my_uint_len(2), 1U);
ASSERT_EQ(my_uint_len(5), 1U);
ASSERT_EQ(my_uint_len(9), 1U);
ASSERT_EQ(my_uint_len(10), 2U);
ASSERT_EQ(my_uint_len(99), 2U);
ASSERT_EQ(my_uint_len(100), 3U);
ASSERT_EQ(my_uint_len(101), 3U);
ASSERT_EQ(my_uint_len(1000), 4U);
// 0xFFFFFFFFFFFFFFFF
ASSERT_EQ(my_uint_len(18446744073709551615LLU), 20U);
}
TEST(LinuxLibcSupportTest, uitos) {
char buf[32];
my_uitos(buf, 0, 1);
ASSERT_EQ(0, memcmp(buf, "0", 1));
my_uitos(buf, 1, 1);
ASSERT_EQ(0, memcmp(buf, "1", 1));
my_uitos(buf, 10, 2);
ASSERT_EQ(0, memcmp(buf, "10", 2));
my_uitos(buf, 63, 2);
ASSERT_EQ(0, memcmp(buf, "63", 2));
my_uitos(buf, 101, 3);
ASSERT_EQ(0, memcmp(buf, "101", 2));
// 0xFFFFFFFFFFFFFFFF
my_uitos(buf, 18446744073709551615LLU, 20);
ASSERT_EQ(0, memcmp(buf, "18446744073709551615", 20));
}
TEST(LinuxLibcSupportTest, strchr) {
ASSERT_EQ(NULL, my_strchr("abc", 'd'));
ASSERT_EQ(NULL, my_strchr("", 'd'));
ASSERT_EQ(NULL, my_strchr("efghi", 'd'));
ASSERT_TRUE(my_strchr("a", 'a'));
ASSERT_TRUE(my_strchr("abc", 'a'));
ASSERT_TRUE(my_strchr("bcda", 'a'));
ASSERT_TRUE(my_strchr("sdfasdf", 'a'));
static const char abc3[] = "abcabcabc";
ASSERT_EQ(abc3, my_strchr(abc3, 'a'));
}
TEST(LinuxLibcSupportTest, strrchr) {
ASSERT_EQ(NULL, my_strrchr("abc", 'd'));
ASSERT_EQ(NULL, my_strrchr("", 'd'));
ASSERT_EQ(NULL, my_strrchr("efghi", 'd'));
ASSERT_TRUE(my_strrchr("a", 'a'));
ASSERT_TRUE(my_strrchr("abc", 'a'));
ASSERT_TRUE(my_strrchr("bcda", 'a'));
ASSERT_TRUE(my_strrchr("sdfasdf", 'a'));
static const char abc3[] = "abcabcabc";
ASSERT_EQ(abc3 + 6, my_strrchr(abc3, 'a'));
}
TEST(LinuxLibcSupportTest, memchr) {
ASSERT_EQ(NULL, my_memchr("abc", 'd', 3));
ASSERT_EQ(NULL, my_memchr("abcd", 'd', 3));
ASSERT_EQ(NULL, my_memchr("a", 'a', 0));
static const char abc3[] = "abcabcabc";
ASSERT_EQ(abc3, my_memchr(abc3, 'a', 3));
ASSERT_EQ(abc3, my_memchr(abc3, 'a', 9));
ASSERT_EQ(abc3+1, my_memchr(abc3, 'b', 9));
ASSERT_EQ(abc3+2, my_memchr(abc3, 'c', 9));
}
TEST(LinuxLibcSupportTest, read_hex_ptr) {
uintptr_t result;
const char* last;
last = my_read_hex_ptr(&result, "");
ASSERT_EQ(result, 0U);
ASSERT_EQ(*last, 0);
last = my_read_hex_ptr(&result, "0");
ASSERT_EQ(result, 0U);
ASSERT_EQ(*last, 0);
last = my_read_hex_ptr(&result, "0123");
ASSERT_EQ(result, 0x123U);
ASSERT_EQ(*last, 0);
last = my_read_hex_ptr(&result, "0123a");
ASSERT_EQ(result, 0x123aU);
ASSERT_EQ(*last, 0);
last = my_read_hex_ptr(&result, "0123a-");
ASSERT_EQ(result, 0x123aU);
ASSERT_EQ(*last, '-');
}
TEST(LinuxLibcSupportTest, read_decimal_ptr) {
uintptr_t result;
const char* last;
last = my_read_decimal_ptr(&result, "0");
ASSERT_EQ(result, 0U);
ASSERT_EQ(*last, 0);
last = my_read_decimal_ptr(&result, "0123");
ASSERT_EQ(result, 123U);
ASSERT_EQ(*last, 0);
last = my_read_decimal_ptr(&result, "1234");
ASSERT_EQ(result, 1234U);
ASSERT_EQ(*last, 0);
last = my_read_decimal_ptr(&result, "01234-");
ASSERT_EQ(result, 1234U);
ASSERT_EQ(*last, '-');
}