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ICU-22479 Enahnce the fuzzer for ListFormatter

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Add the testing for invalid type and width.
Also test formatStringsToValue
This commit is contained in:
Frank Tang 2023-09-21 14:28:05 -07:00 • committed by Frank Yung-Fong Tang
parent 501fe1b74a
commit cdcea0c378
1 changed files with 24 additions and 15 deletions
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39
icu4c/source/test/fuzzer/list_format_fuzzer.cpp
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@ -10,6 +10,16 @@
#include "unicode/listformatter.h"
#include "unicode/locid.h"
void TestFormat(icu::ListFormatter* listFormat, const icu::UnicodeString* items) {
for (size_t i = 0; i <= 4; i++) {
icu::UnicodeString appendTo;
UErrorCode status = U_ZERO_ERROR;
listFormat->format(items, i, appendTo, status);
status = U_ZERO_ERROR;
icu::FormattedList formatted = listFormat->formatStringsToValue(items, i, status);
}
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
uint16_t rnd;
UListFormatterType type;
@ -23,12 +33,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
std::memcpy(&type, fuzzData.data(), sizeof(type));
fuzzData.remove_prefix(sizeof(type));
type = static_cast<UListFormatterType>(
static_cast<int>(type) % (static_cast<int>(ULISTFMT_TYPE_UNITS) + 1));
std::memcpy(&width, fuzzData.data(), sizeof(width));
fuzzData.remove_prefix(sizeof(width));
width = static_cast<UListFormatterWidth>(
static_cast<int>(width) % (static_cast<int>(ULISTFMT_WIDTH_NARROW) + 1));
size_t len = fuzzData.size() / sizeof(char16_t);
icu::UnicodeString text(false, reinterpret_cast<const char16_t*>(fuzzData.data()), len);
@ -37,23 +43,26 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
UErrorCode status = U_ZERO_ERROR;
std::unique_ptr<icu::ListFormatter> listFormat(
icu::ListFormatter::createInstance(locale, status));
if (U_SUCCESS(status)) {
for (size_t i = 0; i <= 4; i++) {
icu::UnicodeString appendTo;
status = U_ZERO_ERROR;
listFormat->format(items, i, appendTo, status);
}
TestFormat(listFormat.get(), items);
}
status = U_ZERO_ERROR;
listFormat.reset(
icu::ListFormatter::createInstance(locale, type, width, status));
if (U_SUCCESS(status)) {
for (size_t i = 0; i <= 4; i++) {
icu::UnicodeString appendTo;
status = U_ZERO_ERROR;
listFormat->format(items, i, appendTo, status);
}
TestFormat(listFormat.get(), items);
}
status = U_ZERO_ERROR;
type = static_cast<UListFormatterType>(
static_cast<int>(type) % (static_cast<int>(ULISTFMT_TYPE_UNITS) + 1));
width = static_cast<UListFormatterWidth>(
static_cast<int>(width) % (static_cast<int>(ULISTFMT_WIDTH_NARROW) + 1));
listFormat.reset(
icu::ListFormatter::createInstance(locale, type, width, status));
if (U_SUCCESS(status)) {
TestFormat(listFormat.get(), items);
}
return EXIT_SUCCESS;