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feat(string): add SStrCmp

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This commit is contained in:
fallenoak 2020-11-14 17:58:34 -06:00
parent e74eb83854
commit 0d07d79ed0
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3 changed files with 26 additions and 0 deletions
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5
storm/String.cpp
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@ -1,6 +1,7 @@
#include "storm/String.hpp"
#include "storm/Error.hpp"
#include "storm/string/bjhash.hpp"
#include <cstring>
uint8_t bytesFromUTF8[256] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@ -128,6 +129,10 @@ void GetNextTextUpper(uint32_t* orig, const char** string, uint32_t* upper) {
}
}
int32_t SStrCmp(const char* string1, const char* string2, size_t maxchars) {
return strncmp(string1, string2, maxchars);
}
size_t SStrCopy(char* dest, const char* source, size_t destsize) {
STORM_ASSERT(dest);
STORM_ASSERT(source);

2
storm/String.hpp
View file

@ -7,6 +7,8 @@
#define STORM_MAX_PATH 260
#define STORM_MAX_STR 0x7FFFFFFF
int32_t SStrCmp(const char* string1, const char* string2, size_t maxchars);
size_t SStrCopy(char* dest, const char* source, size_t destsize);
uint32_t SStrHashHT(const char* string);

19
test/String.cpp
View file

@ -1,6 +1,25 @@
#include "storm/String.hpp"
#include "test/Test.hpp"
TEST_CASE("SStrCmp", "[string]") {
SECTION("compares two strings that exactly match correctly") {
auto compare = SStrCmp("foo", "foo", STORM_MAX_STR);
REQUIRE(compare == 0);
}
SECTION("compares two strings that partially match correctly") {
auto compare1 = SStrCmp("bar", "foobar", STORM_MAX_STR);
auto compare2 = SStrCmp("foobar", "bar", STORM_MAX_STR);
REQUIRE(compare1 < 0);
REQUIRE(compare2 > 0);
}
SECTION("compares two strings that do not match correctly") {
auto compare = SStrCmp("bar", "xyzzy", STORM_MAX_STR);
REQUIRE(compare < 0);
}
}
TEST_CASE("SStrHashHT", "[string]") {
SECTION("hashes simple string correctly") {
auto hash = SStrHashHT("foo");