blender/tests/gtests/blenlib/BLI_string_test.cc
2020-03-19 09:33:58 +01:00

816 lines
22 KiB
C++

/* Apache License, Version 2.0 */
#include "testing/testing.h"
#include <array>
#include <initializer_list>
#include <ostream> // NOLINT
#include <string>
#include <utility>
#include <vector>
extern "C" {
#include "BLI_string.h"
#include "BLI_string_utf8.h"
#include "BLI_string_utils.h"
#include "BLI_utildefines.h"
}
using std::initializer_list;
using std::pair;
using std::string;
using std::vector;
/* -------------------------------------------------------------------- */
/* stubs */
extern "C" {
int mk_wcwidth(wchar_t ucs);
int mk_wcswidth(const wchar_t *pwcs, size_t n);
int mk_wcwidth(wchar_t ucs)
{
return 0;
}
int mk_wcswidth(const wchar_t *pwcs, size_t n)
{
return 0;
}
}
/* -------------------------------------------------------------------- */
/* tests */
/* BLI_str_partition */
TEST(string, StrPartition)
{
const char delim[] = {'-', '.', '_', '~', '\\', '\0'};
const char *sep, *suf;
size_t pre_ln;
{
const char *str = "mat.e-r_ial";
/* "mat.e-r_ial" -> "mat", '.', "e-r_ial", 3 */
pre_ln = BLI_str_partition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 3);
EXPECT_EQ(&str[3], sep);
EXPECT_STREQ("e-r_ial", suf);
}
/* Corner cases. */
{
const char *str = ".mate-rial--";
/* ".mate-rial--" -> "", '.', "mate-rial--", 0 */
pre_ln = BLI_str_partition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 0);
EXPECT_EQ(&str[0], sep);
EXPECT_STREQ("mate-rial--", suf);
}
{
const char *str = ".__.--_";
/* ".__.--_" -> "", '.', "__.--_", 0 */
pre_ln = BLI_str_partition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 0);
EXPECT_EQ(&str[0], sep);
EXPECT_STREQ("__.--_", suf);
}
{
const char *str = "";
/* "" -> "", NULL, NULL, 0 */
pre_ln = BLI_str_partition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 0);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
{
const char *str = "material";
/* "material" -> "material", NULL, NULL, 8 */
pre_ln = BLI_str_partition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 8);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
}
/* BLI_str_rpartition */
TEST(string, StrRPartition)
{
const char delim[] = {'-', '.', '_', '~', '\\', '\0'};
const char *sep, *suf;
size_t pre_ln;
{
const char *str = "mat.e-r_ial";
/* "mat.e-r_ial" -> "mat.e-r", '_', "ial", 7 */
pre_ln = BLI_str_rpartition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 7);
EXPECT_EQ(&str[7], sep);
EXPECT_STREQ("ial", suf);
}
/* Corner cases. */
{
const char *str = ".mate-rial--";
/* ".mate-rial--" -> ".mate-rial-", '-', "", 11 */
pre_ln = BLI_str_rpartition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 11);
EXPECT_EQ(&str[11], sep);
EXPECT_STREQ("", suf);
}
{
const char *str = ".__.--_";
/* ".__.--_" -> ".__.--", '_', "", 6 */
pre_ln = BLI_str_rpartition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 6);
EXPECT_EQ(&str[6], sep);
EXPECT_STREQ("", suf);
}
{
const char *str = "";
/* "" -> "", NULL, NULL, 0 */
pre_ln = BLI_str_rpartition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 0);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
{
const char *str = "material";
/* "material" -> "material", NULL, NULL, 8 */
pre_ln = BLI_str_rpartition(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 8);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
}
/* BLI_str_partition_ex */
TEST(string, StrPartitionEx)
{
const char delim[] = {'-', '.', '_', '~', '\\', '\0'};
const char *sep, *suf;
size_t pre_ln;
/* Only considering 'from_right' cases here. */
{
const char *str = "mat.e-r_ia.l";
/* "mat.e-r_ia.l" over "mat.e-r" -> "mat.e", '.', "r_ia.l", 3 */
pre_ln = BLI_str_partition_ex(str, str + 6, delim, &sep, &suf, true);
EXPECT_EQ(pre_ln, 5);
EXPECT_EQ(&str[5], sep);
EXPECT_STREQ("r_ia.l", suf);
}
/* Corner cases. */
{
const char *str = "mate.rial";
/* "mate.rial" over "mate" -> "mate.rial", NULL, NULL, 4 */
pre_ln = BLI_str_partition_ex(str, str + 4, delim, &sep, &suf, true);
EXPECT_EQ(pre_ln, 4);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
}
/* BLI_str_partition_utf8 */
TEST(string, StrPartitionUtf8)
{
const unsigned int delim[] = {'-', '.', '_', 0x00F1 /* n tilde */, 0x262F /* ying-yang */, '\0'};
const char *sep, *suf;
size_t pre_ln;
{
const char *str = "ma\xc3\xb1te-r\xe2\x98\xafial";
/* "ma\xc3\xb1te-r\xe2\x98\xafial" -> "ma", '\xc3\xb1', "te-r\xe2\x98\xafial", 2 */
pre_ln = BLI_str_partition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 2);
EXPECT_EQ(&str[2], sep);
EXPECT_STREQ("te-r\xe2\x98\xafial", suf);
}
/* Corner cases. */
{
const char *str = "\xe2\x98\xafmate-rial-\xc3\xb1";
/* "\xe2\x98\xafmate-rial-\xc3\xb1" -> "", '\xe2\x98\xaf', "mate-rial-\xc3\xb1", 0 */
pre_ln = BLI_str_partition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 0);
EXPECT_EQ(&str[0], sep);
EXPECT_STREQ("mate-rial-\xc3\xb1", suf);
}
{
const char *str = "\xe2\x98\xaf.\xc3\xb1_.--\xc3\xb1";
/* "\xe2\x98\xaf.\xc3\xb1_.--\xc3\xb1" -> "", '\xe2\x98\xaf', ".\xc3\xb1_.--\xc3\xb1", 0 */
pre_ln = BLI_str_partition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 0);
EXPECT_EQ(&str[0], sep);
EXPECT_STREQ(".\xc3\xb1_.--\xc3\xb1", suf);
}
{
const char *str = "";
/* "" -> "", NULL, NULL, 0 */
pre_ln = BLI_str_partition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 0);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
{
const char *str = "material";
/* "material" -> "material", NULL, NULL, 8 */
pre_ln = BLI_str_partition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 8);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
}
/* BLI_str_rpartition_utf8 */
TEST(string, StrRPartitionUtf8)
{
const unsigned int delim[] = {'-', '.', '_', 0x00F1 /* n tilde */, 0x262F /* ying-yang */, '\0'};
const char *sep, *suf;
size_t pre_ln;
{
const char *str = "ma\xc3\xb1te-r\xe2\x98\xafial";
/* "ma\xc3\xb1te-r\xe2\x98\xafial" -> "mat\xc3\xb1te-r", '\xe2\x98\xaf', "ial", 8 */
pre_ln = BLI_str_rpartition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 8);
EXPECT_EQ(&str[8], sep);
EXPECT_STREQ("ial", suf);
}
/* Corner cases. */
{
const char *str = "\xe2\x98\xafmate-rial-\xc3\xb1";
/* "\xe2\x98\xafmate-rial-\xc3\xb1" -> "\xe2\x98\xafmate-rial-", '\xc3\xb1', "", 13 */
pre_ln = BLI_str_rpartition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 13);
EXPECT_EQ(&str[13], sep);
EXPECT_STREQ("", suf);
}
{
const char *str = "\xe2\x98\xaf.\xc3\xb1_.--\xc3\xb1";
/* "\xe2\x98\xaf.\xc3\xb1_.--\xc3\xb1" -> "\xe2\x98\xaf.\xc3\xb1_.--", '\xc3\xb1', "", 10 */
pre_ln = BLI_str_rpartition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 10);
EXPECT_EQ(&str[10], sep);
EXPECT_STREQ("", suf);
}
{
const char *str = "";
/* "" -> "", NULL, NULL, 0 */
pre_ln = BLI_str_rpartition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 0);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
{
const char *str = "material";
/* "material" -> "material", NULL, NULL, 8 */
pre_ln = BLI_str_rpartition_utf8(str, delim, &sep, &suf);
EXPECT_EQ(pre_ln, 8);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
}
/* BLI_str_partition_ex_utf8 */
TEST(string, StrPartitionExUtf8)
{
const unsigned int delim[] = {'-', '.', '_', 0x00F1 /* n tilde */, 0x262F /* ying-yang */, '\0'};
const char *sep, *suf;
size_t pre_ln;
/* Only considering 'from_right' cases here. */
{
const char *str = "ma\xc3\xb1te-r\xe2\x98\xafial";
/* "ma\xc3\xb1te-r\xe2\x98\xafial" over
* "ma\xc3\xb1te" -> "ma", '\xc3\xb1', "te-r\xe2\x98\xafial", 2 */
pre_ln = BLI_str_partition_ex_utf8(str, str + 6, delim, &sep, &suf, true);
EXPECT_EQ(pre_ln, 2);
EXPECT_EQ(&str[2], sep);
EXPECT_STREQ("te-r\xe2\x98\xafial", suf);
}
/* Corner cases. */
{
const char *str = "mate\xe2\x98\xafrial";
/* "mate\xe2\x98\xafrial" over "mate" -> "mate\xe2\x98\xafrial", NULL, NULL, 4 */
pre_ln = BLI_str_partition_ex_utf8(str, str + 4, delim, &sep, &suf, true);
EXPECT_EQ(pre_ln, 4);
EXPECT_EQ(sep, (void *)NULL);
EXPECT_EQ(suf, (void *)NULL);
}
}
/* BLI_str_format_int_grouped */
TEST(string, StrFormatIntGrouped)
{
char num_str[16];
int num;
BLI_str_format_int_grouped(num_str, num = 0);
EXPECT_STREQ("0", num_str);
BLI_str_format_int_grouped(num_str, num = 1);
EXPECT_STREQ("1", num_str);
BLI_str_format_int_grouped(num_str, num = -1);
EXPECT_STREQ("-1", num_str);
BLI_str_format_int_grouped(num_str, num = -2147483648);
EXPECT_STREQ("-2,147,483,648", num_str);
BLI_str_format_int_grouped(num_str, num = 2147483647);
EXPECT_STREQ("2,147,483,647", num_str);
BLI_str_format_int_grouped(num_str, num = 1000);
EXPECT_STREQ("1,000", num_str);
BLI_str_format_int_grouped(num_str, num = -1000);
EXPECT_STREQ("-1,000", num_str);
BLI_str_format_int_grouped(num_str, num = 999);
EXPECT_STREQ("999", num_str);
BLI_str_format_int_grouped(num_str, num = -999);
EXPECT_STREQ("-999", num_str);
}
/* BLI_str_format_byte_unit */
TEST(string, StrFormatByteUnits)
{
char size_str[15];
long long int size;
/* Base 10 */
BLI_str_format_byte_unit(size_str, size = 0, true);
EXPECT_STREQ("0 B", size_str);
BLI_str_format_byte_unit(size_str, size = -0, true);
EXPECT_STREQ("0 B", size_str);
BLI_str_format_byte_unit(size_str, size = 1, true);
EXPECT_STREQ("1 B", size_str);
BLI_str_format_byte_unit(size_str, size = -1, true);
EXPECT_STREQ("-1 B", size_str);
BLI_str_format_byte_unit(size_str, size = 1000, true);
EXPECT_STREQ("1 KB", size_str);
BLI_str_format_byte_unit(size_str, size = -1000, true);
EXPECT_STREQ("-1 KB", size_str);
BLI_str_format_byte_unit(size_str, size = 1024, true);
EXPECT_STREQ("1 KB", size_str);
BLI_str_format_byte_unit(size_str, size = -1024, true);
EXPECT_STREQ("-1 KB", size_str);
/* LLONG_MAX - largest possible value */
BLI_str_format_byte_unit(size_str, size = 9223372036854775807, true);
EXPECT_STREQ("9223.372 PB", size_str);
BLI_str_format_byte_unit(size_str, size = -9223372036854775807, true);
EXPECT_STREQ("-9223.372 PB", size_str);
/* Base 2 */
BLI_str_format_byte_unit(size_str, size = 0, false);
EXPECT_STREQ("0 B", size_str);
BLI_str_format_byte_unit(size_str, size = -0, false);
EXPECT_STREQ("0 B", size_str);
BLI_str_format_byte_unit(size_str, size = 1, false);
EXPECT_STREQ("1 B", size_str);
BLI_str_format_byte_unit(size_str, size = -1, false);
EXPECT_STREQ("-1 B", size_str);
BLI_str_format_byte_unit(size_str, size = 1000, false);
EXPECT_STREQ("1000 B", size_str);
BLI_str_format_byte_unit(size_str, size = -1000, false);
EXPECT_STREQ("-1000 B", size_str);
BLI_str_format_byte_unit(size_str, size = 1024, false);
EXPECT_STREQ("1 KiB", size_str);
BLI_str_format_byte_unit(size_str, size = -1024, false);
EXPECT_STREQ("-1 KiB", size_str);
/* LLONG_MAX - largest possible value */
BLI_str_format_byte_unit(size_str, size = 9223372036854775807, false);
EXPECT_STREQ("8192.0 PiB", size_str);
BLI_str_format_byte_unit(size_str, size = -9223372036854775807, false);
EXPECT_STREQ("-8192.0 PiB", size_str);
/* Test maximum string length. */
BLI_str_format_byte_unit(size_str, size = -9223200000000000000, false);
EXPECT_STREQ("-8191.8472 PiB", size_str);
}
struct WordInfo {
WordInfo()
{
}
WordInfo(int start, int end) : start(start), end(end)
{
}
bool operator==(const WordInfo &other) const
{
return start == other.start && end == other.end;
}
int start, end;
};
static std::ostream &operator<<(std::ostream &os, const WordInfo &word_info)
{
os << "start: " << word_info.start << ", end: " << word_info.end;
return os;
}
class StringFindSplitWords : public testing::Test {
protected:
StringFindSplitWords()
{
}
/* If max_words is -1 it will be initialized from the number of expected
* words +1. This way there is no need to pass an explicit number of words,
* but is also making it possible to catch situation when too many words
* are being returned. */
void testStringFindSplitWords(const string &str,
const size_t max_length,
initializer_list<WordInfo> expected_words_info_init,
int max_words = -1)
{
const vector<WordInfo> expected_words_info = expected_words_info_init;
if (max_words != -1) {
CHECK_LE(max_words, expected_words_info.size() - 1);
}
/* Since number of word info is used here, this makes it so we allow one
* extra word to be collected from the input. This allows to catch possible
* issues with word splitting not doing a correct thing. */
const int effective_max_words = (max_words == -1) ? expected_words_info.size() : max_words;
/* One extra element for the {-1, -1}. */
vector<WordInfo> actual_word_info(effective_max_words + 1, WordInfo(-1, -1));
const int actual_word_num = BLI_string_find_split_words(
str.c_str(),
max_length,
' ',
reinterpret_cast<int(*)[2]>(actual_word_info.data()),
effective_max_words);
/* Schrink actual array to an actual number of words, so we can compare
* vectors as-is. */
EXPECT_LE(actual_word_num, actual_word_info.size() - 1);
actual_word_info.resize(actual_word_num + 1);
/* Perform actual comparison. */
EXPECT_EQ_VECTOR(actual_word_info, expected_words_info);
}
void testStringFindSplitWords(const string &str,
initializer_list<WordInfo> expected_words_info_init)
{
testStringFindSplitWords(str, str.length(), expected_words_info_init);
}
};
/* BLI_string_find_split_words */
TEST_F(StringFindSplitWords, Simple)
{
testStringFindSplitWords("t", {{0, 1}, {-1, -1}});
testStringFindSplitWords("test", {{0, 4}, {-1, -1}});
}
TEST_F(StringFindSplitWords, Triple)
{
testStringFindSplitWords("f t w", {{0, 1}, {2, 1}, {4, 1}, {-1, -1}});
testStringFindSplitWords("find three words", {{0, 4}, {5, 5}, {11, 5}, {-1, -1}});
}
TEST_F(StringFindSplitWords, Spacing)
{
testStringFindSplitWords("# ## ### ####", {{0, 1}, {2, 2}, {5, 3}, {9, 4}, {-1, -1}});
testStringFindSplitWords("# # # #", {{0, 1}, {3, 1}, {7, 1}, {12, 1}, {-1, -1}});
}
TEST_F(StringFindSplitWords, Trailing_Left)
{
testStringFindSplitWords(" t", {{3, 1}, {-1, -1}});
testStringFindSplitWords(" test", {{3, 4}, {-1, -1}});
}
TEST_F(StringFindSplitWords, Trailing_Right)
{
testStringFindSplitWords("t ", {{0, 1}, {-1, -1}});
testStringFindSplitWords("test ", {{0, 4}, {-1, -1}});
}
TEST_F(StringFindSplitWords, Trailing_LeftRight)
{
testStringFindSplitWords(" surrounding space test 123 ",
{{3, 11}, {15, 5}, {21, 4}, {28, 3}, {-1, -1}});
}
TEST_F(StringFindSplitWords, Blank)
{
testStringFindSplitWords("", {{-1, -1}});
}
TEST_F(StringFindSplitWords, Whitespace)
{
testStringFindSplitWords(" ", {{-1, -1}});
testStringFindSplitWords(" ", {{-1, -1}});
}
TEST_F(StringFindSplitWords, LimitWords)
{
const string words = "too many chars";
const int words_len = words.length();
testStringFindSplitWords(words, words_len, {{0, 3}, {4, 4}, {9, 5}, {-1, -1}}, 3);
testStringFindSplitWords(words, words_len, {{0, 3}, {4, 4}, {-1, -1}}, 2);
testStringFindSplitWords(words, words_len, {{0, 3}, {-1, -1}}, 1);
testStringFindSplitWords(words, words_len, {{-1, -1}}, 0);
}
TEST_F(StringFindSplitWords, LimitChars)
{
const string words = "too many chars";
const int words_len = words.length();
testStringFindSplitWords(words, words_len, {{0, 3}, {4, 4}, {9, 5}, {-1, -1}});
testStringFindSplitWords(words, words_len - 1, {{0, 3}, {4, 4}, {9, 4}, {-1, -1}});
testStringFindSplitWords(words, words_len - 5, {{0, 3}, {4, 4}, {-1, -1}});
testStringFindSplitWords(words, 1, {{0, 1}, {-1, -1}});
testStringFindSplitWords(words, 0, {{-1, -1}});
}
/* BLI_strncasestr */
TEST(string, StringStrncasestr)
{
const char *str_test0 = "search here";
const char *res;
res = BLI_strncasestr(str_test0, "", 0);
EXPECT_EQ(res, str_test0);
res = BLI_strncasestr(str_test0, " ", 1);
EXPECT_EQ(res, str_test0 + 6);
res = BLI_strncasestr(str_test0, "her", 3);
EXPECT_EQ(res, str_test0 + 7);
res = BLI_strncasestr(str_test0, "ARCh", 4);
EXPECT_EQ(res, str_test0 + 2);
res = BLI_strncasestr(str_test0, "earcq", 4);
EXPECT_EQ(res, str_test0 + 1);
res = BLI_strncasestr(str_test0, "not there", 9);
EXPECT_EQ(res, (void *)NULL);
}
/* BLI_string_is_decimal */
TEST(string, StrIsDecimal)
{
EXPECT_FALSE(BLI_string_is_decimal(""));
EXPECT_FALSE(BLI_string_is_decimal("je moeder"));
EXPECT_FALSE(BLI_string_is_decimal("je møder"));
EXPECT_FALSE(BLI_string_is_decimal("Agent 327"));
EXPECT_FALSE(BLI_string_is_decimal("Agent\000327"));
EXPECT_FALSE(BLI_string_is_decimal("\000327"));
EXPECT_FALSE(BLI_string_is_decimal("0x16"));
EXPECT_FALSE(BLI_string_is_decimal("16.4"));
EXPECT_FALSE(BLI_string_is_decimal("-1"));
EXPECT_TRUE(BLI_string_is_decimal("0"));
EXPECT_TRUE(BLI_string_is_decimal("1"));
EXPECT_TRUE(BLI_string_is_decimal("001"));
EXPECT_TRUE(BLI_string_is_decimal("11342908713948713498745980171334059871345098713405981734"));
}
/* BLI_strcasecmp_natural */
class StringCasecmpNatural : public testing::Test {
protected:
StringCasecmpNatural() = default;
using CompareWordsArray = vector<std::array<const char *, 2>>;
void testReturnsZeroForAll(const CompareWordsArray &items)
{
for (auto &item : items) {
int res = BLI_strcasecmp_natural(item[0], item[1]);
EXPECT_EQ(res, 0);
}
}
void testReturnsLessThanZeroForAll(const CompareWordsArray &items)
{
for (auto &item : items) {
int res = BLI_strcasecmp_natural(item[0], item[1]);
EXPECT_LT(res, 0);
}
}
void testReturnsMoreThanZeroForAll(const CompareWordsArray &items)
{
for (auto &item : items) {
int res = BLI_strcasecmp_natural(item[0], item[1]);
EXPECT_GT(res, 0);
}
}
CompareWordsArray copyWithSwappedWords(const CompareWordsArray &items)
{
CompareWordsArray ret_array;
/* E.g. {{"a", "b"}, {"ab", "cd"}} becomes {{"b", "a"}, {"cd", "ab"}} */
ret_array.reserve(items.size());
for (auto &item : items) {
ret_array.push_back({item[1], item[0]});
}
return ret_array;
}
};
TEST_F(StringCasecmpNatural, Empty)
{
const CompareWordsArray equal{
{"", ""},
};
const CompareWordsArray negative{
{"", "a"},
{"", "A"},
};
CompareWordsArray positive = copyWithSwappedWords(negative);
testReturnsZeroForAll(equal);
testReturnsLessThanZeroForAll(negative);
testReturnsMoreThanZeroForAll(positive);
}
TEST_F(StringCasecmpNatural, Whitespace)
{
const CompareWordsArray equal{
{" ", " "},
{" a", " a"},
{" a ", " a "},
};
const CompareWordsArray negative{
{"", " "},
{"", " a"},
{"", " a "},
{" ", " a"},
};
CompareWordsArray positive = copyWithSwappedWords(negative);
testReturnsZeroForAll(equal);
testReturnsLessThanZeroForAll(negative);
testReturnsMoreThanZeroForAll(positive);
}
TEST_F(StringCasecmpNatural, TextOnlyLowerCase)
{
const CompareWordsArray equal{
{"a", "a"},
{"aa", "aa"},
{"ab", "ab"},
{"ba", "ba"},
{"je møder", "je møder"},
};
const CompareWordsArray negative{
{"a", "b"},
{"a", "aa"},
{"a", "ab"},
{"aa", "b"},
{"je møda", "je møder"},
};
CompareWordsArray positive = copyWithSwappedWords(negative);
testReturnsZeroForAll(equal);
testReturnsLessThanZeroForAll(negative);
testReturnsMoreThanZeroForAll(positive);
}
TEST_F(StringCasecmpNatural, TextMixedCase)
{
const CompareWordsArray equal{
{"A", "A"},
{"AA", "AA"},
{"AB", "AB"},
{"Ab", "Ab"},
{"aB", "aB"},
};
const CompareWordsArray negative{
{"A", "a"},
{"A", "B"},
{"A", "b"},
{"a", "B"},
{"AA", "aA"},
{"AA", "aA"},
{"Ab", "ab"},
{"AB", "Ab"},
/* Different lengths */
{"A", "ab"},
{"Aa", "b"},
{"aA", "b"},
{"AA", "b"},
{"A", "Ab"},
{"A", "aB"},
{"Aa", "B"},
{"aA", "B"},
{"AA", "B"},
};
CompareWordsArray positive = copyWithSwappedWords(negative);
testReturnsZeroForAll(equal);
testReturnsLessThanZeroForAll(negative);
testReturnsMoreThanZeroForAll(positive);
}
TEST_F(StringCasecmpNatural, Period)
{
const CompareWordsArray equal{
{".", "."},
{". ", ". "},
{" .", " ."},
{" . ", " . "},
};
const CompareWordsArray negative{
{".", ". "},
{" .", " . "},
{"foo.bar", "foo 1.bar"},
};
CompareWordsArray positive = copyWithSwappedWords(negative);
testReturnsZeroForAll(equal);
testReturnsLessThanZeroForAll(negative);
testReturnsMoreThanZeroForAll(positive);
}
TEST_F(StringCasecmpNatural, OnlyNumbers)
{
const CompareWordsArray equal{
{"0", "0"},
{"0001", "0001"},
{"42", "42"},
{"0042", "0042"},
};
const CompareWordsArray negative{
/* If numeric values are equal, number of leading zeros is used as tiebreaker. */
{"1", "0001"},
{"01", "001"},
{"0042", "0043"},
{"0042", "43"},
};
const CompareWordsArray positive = copyWithSwappedWords(negative);
testReturnsZeroForAll(equal);
testReturnsLessThanZeroForAll(negative);
testReturnsMoreThanZeroForAll(positive);
}
TEST_F(StringCasecmpNatural, TextAndNumbers)
{
const CompareWordsArray equal{
{"00je møder1", "00je møder1"},
{".0 ", ".0 "},
{" 1.", " 1."},
{" .0 ", " .0 "},
};
const CompareWordsArray negative{
{"00je møder0", "00je møder1"},
{"05je møder0", "06je møder1"},
{"Cube", "Cube.001"},
{"Cube.001", "Cube.002"},
{"CUbe.001", "Cube.002"},
{"CUbe.002", "Cube.002"},
};
const CompareWordsArray positive = copyWithSwappedWords(negative);
testReturnsZeroForAll(equal);
testReturnsLessThanZeroForAll(negative);
testReturnsMoreThanZeroForAll(positive);
}