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ICU-22479 Limit the collator_compare_fuzzer

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Test only first 4K bytes of data, which means compare two
UnicodeString each with 1024 Unicodes at most.

Avoid finding timeout issue due to large amount of data.
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Frank Tang 2023-09-05 11:30:39 -07:00 • committed by Frank Yung-Fong Tang
parent 21f74b3698
commit fab5faa3aa
1 changed files with 4 additions and 0 deletions
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icu4c/source/test/fuzzer/collator_compare_fuzzer.cpp
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@ -33,6 +33,10 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
icu::Collator::ECollationStrength strength = kStrength[rnd16 % kStrength.size()];
const icu::Locale& locale = GetRandomLocale(rnd16 / kStrength.size());
// Limit the comparison size to 4096 to avoid unnecessary timeout
if (size > 4096) {
size = 4096;
}
std::unique_ptr<char16_t> compbuff1(new char16_t[size/4]);
std::memcpy(compbuff1.get(), data, (size/4)*2);
data = data + size/2;