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/*
* Copyright (C) 2017-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/hash.h"
#include "shared/source/helpers/string.h"
#include "gtest/gtest.h"
#if defined(__linux__)
TEST(StringHelpers, strncpy) {
char dst[1024] = "";
char src[1024] = "HelloWorld";
//preconditions
ASSERT_EQ(sizeof(dst), sizeof(src));
//String must be smaller than array capacity
ASSERT_LT(strlen(src), sizeof(src));
auto ret = strncpy_s(nullptr, 1024, src, 1024);
EXPECT_EQ(ret, -EINVAL);
ret = strncpy_s(dst, 1024, nullptr, 1024);
EXPECT_EQ(ret, -EINVAL);
ret = strncpy_s(dst, 512, src, 1024);
EXPECT_EQ(ret, -ERANGE);
memset(dst, 0, sizeof(dst));
ret = strncpy_s(dst, 1024, src, strlen(src) / 2);
EXPECT_EQ(ret, 0);
EXPECT_EQ(0, memcmp(dst, src, strlen(src) / 2));
for (size_t i = strlen(src) / 2; i < sizeof(dst); i++)
EXPECT_EQ(0, dst[i]);
memset(dst, 0, sizeof(dst));
ret = strncpy_s(dst, strlen(src) / 2, src, strlen(src) / 2);
EXPECT_EQ(ret, 0);
EXPECT_EQ(0, memcmp(dst, src, strlen(src) / 2));
for (size_t i = strlen(src) / 2; i < sizeof(dst); i++)
EXPECT_EQ(0, dst[i]);
strncpy_s(dst, 1024, src, 1024);
EXPECT_EQ(0, memcmp(dst, src, strlen(src)));
for (size_t i = strlen(src); i < sizeof(dst); i++)
EXPECT_EQ(0, dst[i]);
}
TEST(StringHelpers, memmove) {
char dst[1024] = "";
char src[1024] = "HelloWorld";
ASSERT_EQ(sizeof(dst), sizeof(src));
auto ret = memmove_s(nullptr, sizeof(dst), src, sizeof(src));
EXPECT_EQ(ret, -EINVAL);
ret = memmove_s(dst, sizeof(dst), nullptr, sizeof(src));
EXPECT_EQ(ret, -EINVAL);
ret = memmove_s(dst, sizeof(src) / 2, src, sizeof(src));
EXPECT_EQ(ret, -ERANGE);
memset(dst, 0, sizeof(dst));
ret = memmove_s(dst, sizeof(dst), src, sizeof(src));
EXPECT_EQ(ret, 0);
EXPECT_EQ(0, memcmp(dst, src, sizeof(dst)));
}
TEST(StringHelpers, strcpy) {
char dst[1024] = "";
char src[1024] = "HelloWorld";
ASSERT_EQ(sizeof(dst), sizeof(src));
auto ret = strcpy_s(nullptr, 0, src);
EXPECT_EQ(ret, -EINVAL);
ret = strcpy_s(nullptr, sizeof(dst), src);
EXPECT_EQ(ret, -EINVAL);
ret = strcpy_s(nullptr, 0, nullptr);
EXPECT_EQ(ret, -EINVAL);
ret = strcpy_s(nullptr, sizeof(dst), nullptr);
EXPECT_EQ(ret, -EINVAL);
ret = strcpy_s(dst, 0, nullptr);
EXPECT_EQ(ret, -EINVAL);
ret = strcpy_s(dst, strlen(src) / 2, src);
EXPECT_EQ(ret, -ERANGE);
ret = strcpy_s(dst, strlen(src), src);
EXPECT_EQ(ret, -ERANGE);
char pattern = 0x5a;
memset(dst, pattern, sizeof(dst));
ret = strcpy_s(dst, sizeof(dst), src);
EXPECT_EQ(ret, 0);
EXPECT_EQ(0, memcmp(dst, src, strlen(src)));
EXPECT_EQ(0, dst[strlen(src)]);
for (size_t i = strlen(src) + 1; i < sizeof(dst); i++)
EXPECT_EQ(pattern, dst[i]);
}
TEST(StringHelpers, strnlen) {
char src[1024] = "HelloWorld";
auto ret = strnlen_s(nullptr, sizeof(src));
EXPECT_EQ(ret, 0u);
ret = strnlen_s(src, 0);
EXPECT_EQ(ret, 0u);
ret = strnlen_s(src, sizeof(src));
EXPECT_EQ(ret, strlen(src));
}
TEST(StringHelpers, memcpy) {
char dst[1024] = "";
char src[1024] = "HelloWorld";
//preconditions
ASSERT_EQ(sizeof(dst), sizeof(src));
//String must be smaller than array capacity
ASSERT_LT(strlen(src), sizeof(src));
auto ret = memcpy_s(nullptr, sizeof(dst), src, sizeof(src));
EXPECT_EQ(ret, -EINVAL);
ret = memcpy_s(dst, sizeof(dst), nullptr, sizeof(src));
EXPECT_EQ(ret, -EINVAL);
ret = memcpy_s(dst, sizeof(dst) / 2, src, sizeof(src));
EXPECT_EQ(ret, -ERANGE);
memset(dst, 0, sizeof(dst));
ret = memcpy_s(dst, sizeof(dst), src, strlen(src) / 2);
EXPECT_EQ(ret, 0);
EXPECT_EQ(0, memcmp(dst, src, strlen(src) / 2));
for (size_t i = strlen(src) / 2; i < sizeof(dst); i++)
EXPECT_EQ(0, dst[i]);
}
#endif
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