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FFstrbuf: updates ffStrbufSet* that they won't reserve extra space

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李通洲
2026-01-09 15:19:46 +08:00
parent 5d901da81b
commit 420d1cf804
3 changed files with 204 additions and 57 deletions
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tests/strbuf.c
+104 -4
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@@ -629,17 +629,28 @@ int main(void)
ffStrbufSetStatic(&strbuf, "abcdef");
FF_STRBUF_AUTO_DESTROY newStr = ffStrbufCreateS("123456");
ffStrbufSet(&newStr, &strbuf);
VERIFY(newStr.allocated > 0);
VERIFY(newStr.chars != strbuf.chars);
VERIFY(newStr.allocated == 0);
VERIFY(newStr.chars == strbuf.chars);
VERIFY(ffStrbufEqualS(&newStr, "abcdef"));
}
{
ffStrbufClear(&strbuf);
FF_STRBUF_AUTO_DESTROY newStr = ffStrbufCreateS("123456");
uint32_t oldAlloc = newStr.allocated;
VERIFY(oldAlloc > newStr.length);
ffStrbufSet(&newStr, &strbuf);
VERIFY(newStr.allocated == oldAlloc);
VERIFY(newStr.chars != strbuf.chars);
VERIFY(ffStrbufEqualS(&newStr, ""));
}
{
ffStrbufSetStatic(&strbuf, "abcdefghijkl");
FF_STRBUF_AUTO_DESTROY newStr = ffStrbufCreateS("123456");
ffStrbufSet(&newStr, &strbuf);
VERIFY(newStr.allocated > 0);
VERIFY(newStr.chars != strbuf.chars);
VERIFY(newStr.allocated == 0);
VERIFY(newStr.chars == strbuf.chars);
VERIFY(ffStrbufEqualS(&newStr, "abcdefghijkl"));
}
@@ -1024,6 +1035,95 @@ int main(void)
ffStrbufDestroy(&strbuf);
}
//setS
ffStrbufInitStatic(&strbuf, "STATIC");
ffStrbufSetS(&strbuf, "DYNAMIC");
VERIFY(ffStrbufEqualS(&strbuf, "DYNAMIC"));
VERIFY(strbuf.allocated > 0);
ffStrbufDestroy(&strbuf);
ffStrbufInit(&strbuf);
ffStrbufSetS(&strbuf, "");
VERIFY(ffStrbufEqualS(&strbuf, ""));
VERIFY(strbuf.allocated == 0);
ffStrbufDestroy(&strbuf);
ffStrbufInitStatic(&strbuf, "STATIC");
ffStrbufSetS(&strbuf, "");
VERIFY(ffStrbufEqualS(&strbuf, ""));
VERIFY(strbuf.allocated == 0);
ffStrbufDestroy(&strbuf);
ffStrbufInitStatic(&strbuf, "STATIC");
ffStrbufSetStatic(&strbuf, "");
VERIFY(ffStrbufEqualS(&strbuf, ""));
VERIFY(strbuf.allocated == 0);
ffStrbufDestroy(&strbuf);
ffStrbufInitS(&strbuf, "DYNAMIC");
ffStrbufSetStatic(&strbuf, "");
VERIFY(ffStrbufEqualS(&strbuf, ""));
VERIFY(strbuf.allocated == 0);
ffStrbufDestroy(&strbuf);
ffStrbufInitS(&strbuf, "DYNAMIC");
ffStrbufSetS(&strbuf, "ANOTHER DYNAMIC");
VERIFY(ffStrbufEqualS(&strbuf, "ANOTHER DYNAMIC"));
VERIFY(strbuf.allocated > 0);
ffStrbufDestroy(&strbuf);
ffStrbufInit(&strbuf);
ffStrbufSetStatic(&strbuf, "");
VERIFY(ffStrbufEqualS(&strbuf, ""));
VERIFY(strbuf.allocated == 0);
ffStrbufDestroy(&strbuf);
//set
ffStrbufInitStatic(&strbuf, "STATIC");
{
FF_STRBUF_AUTO_DESTROY other = ffStrbufCreateS("DYNAMIC");
ffStrbufSet(&strbuf, &other);
}
VERIFY(ffStrbufEqualS(&strbuf, "DYNAMIC"));
VERIFY(strbuf.allocated > 0);
ffStrbufDestroy(&strbuf);
ffStrbufInit(&strbuf);
{
FF_STRBUF_AUTO_DESTROY other = ffStrbufCreateS("");
ffStrbufSet(&strbuf, &other);
}
VERIFY(ffStrbufEqualS(&strbuf, ""));
VERIFY(strbuf.allocated == 0);
ffStrbufDestroy(&strbuf);
ffStrbufInitStatic(&strbuf, "STATIC");
{
FF_STRBUF_AUTO_DESTROY other = ffStrbufCreateS("");
ffStrbufSet(&strbuf, &other);
}
VERIFY(ffStrbufEqualS(&strbuf, ""));
VERIFY(strbuf.allocated == 0);
ffStrbufDestroy(&strbuf);
ffStrbufInitS(&strbuf, "DYNAMIC");
{
FF_STRBUF_AUTO_DESTROY other = ffStrbufCreateS("");
ffStrbufSet(&strbuf, &other);
}
VERIFY(ffStrbufEqualS(&strbuf, ""));
VERIFY(strbuf.allocated > 0);
ffStrbufDestroy(&strbuf);
ffStrbufInitS(&strbuf, "DYNAMIC");
{
FF_STRBUF_AUTO_DESTROY other = ffStrbufCreateStatic("STATIC");
ffStrbufSet(&strbuf, &other);
}
VERIFY(ffStrbufEqualS(&strbuf, "STATIC"));
VERIFY(strbuf.allocated == 0);
ffStrbufDestroy(&strbuf);
//Success
puts("\e[32mAll tests passed!" FASTFETCH_TEXT_MODIFIER_RESET);
}