static void TestPackedUInt(skiatest::Reporter* reporter) {
// we know that packeduint tries to write 1, 2 or 4 bytes for the length,
// so we test values around each of those transitions (and a few others)
const size_t sizes[] = {
0, 1, 2, 0xFC, 0xFD, 0xFE, 0xFF, 0x100, 0x101, 32767, 32768, 32769,
0xFFFD, 0xFFFE, 0xFFFF, 0x10000, 0x10001,
0xFFFFFD, 0xFFFFFE, 0xFFFFFF, 0x1000000, 0x1000001,
0x7FFFFFFE, 0x7FFFFFFF, 0x80000000, 0x80000001, 0xFFFFFFFE, 0xFFFFFFFF
};
size_t i;
SkDynamicMemoryWStream wstream;
for (i = 0; i < SK_ARRAY_COUNT(sizes); ++i) {
bool success = wstream.writePackedUInt(sizes[i]);
REPORTER_ASSERT(reporter, success);
}
std::unique_ptr<SkStreamAsset> rstream(wstream.detachAsStream());
for (i = 0; i < SK_ARRAY_COUNT(sizes); ++i) {
size_t n;
if (!rstream->readPackedUInt(&n)) {
ERRORF(reporter, "[%d] sizes:%x could not be read\n", i, sizes[i]);
}
if (sizes[i] != n) {
ERRORF(reporter, "[%d] sizes:%x != n:%x\n", i, sizes[i], n);
}
}
}
