static void test2(skiatest::Reporter* reporter, SkWriter32* writer) {
static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz";
size_t i;
size_t len = 0;
for (i = 0; i <= 26; ++i) {
len += SkWriter32::WriteStringSize(gStr, i);
writer->writeString(gStr, i);
}
REPORTER_ASSERT(reporter, writer->bytesWritten() == len);
SkAutoMalloc storage(len);
writer->flatten(storage.get());
SkReader32 reader;
reader.setMemory(storage.get(), len);
for (i = 0; i <= 26; ++i) {
REPORTER_ASSERT(reporter, !reader.eof());
const char* str = reader.readString(&len);
REPORTER_ASSERT(reporter, i == len);
REPORTER_ASSERT(reporter, strlen(str) == len);
REPORTER_ASSERT(reporter, !memcmp(str, gStr, len));
// Ensure that the align4 of the string is padded with zeroes.
size_t alignedSize = SkAlign4(len + 1);
for (size_t j = len; j < alignedSize; j++) {
REPORTER_ASSERT(reporter, 0 == str[j]);
}
}
REPORTER_ASSERT(reporter, reader.eof());
}
static void test2(skiatest::Reporter* reporter, SkWriter32* writer) {
static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz";
size_t i;
size_t len = 0;
for (i = 0; i <= 26; ++i) {
len += SkWriter32::WriteStringSize(gStr, i);
writer->writeString(gStr, i);
}
REPORTER_ASSERT(reporter, writer->size() == len);
SkAutoMalloc storage(len);
writer->flatten(storage.get());
SkReader32 reader;
reader.setMemory(storage.get(), len);
for (i = 0; i <= 26; ++i) {
REPORTER_ASSERT(reporter, !reader.eof());
const char* str = reader.readString(&len);
REPORTER_ASSERT(reporter, i == len);
REPORTER_ASSERT(reporter, strlen(str) == len);
REPORTER_ASSERT(reporter, !memcmp(str, gStr, len));
}
REPORTER_ASSERT(reporter, reader.eof());
}
static void assert_empty(skiatest::Reporter* reporter, const SkReader32& reader) {
REPORTER_ASSERT(reporter, 0 == reader.size());
REPORTER_ASSERT(reporter, 0 == reader.offset());
REPORTER_ASSERT(reporter, 0 == reader.available());
REPORTER_ASSERT(reporter, !reader.isAvailable(1));
assert_eof(reporter, reader);
assert_start(reporter, reader);
}
static void assert_start(skiatest::Reporter* reporter, const SkReader32& reader) {
REPORTER_ASSERT(reporter, 0 == reader.offset());
REPORTER_ASSERT(reporter, reader.size() == reader.available());
REPORTER_ASSERT(reporter, reader.isAvailable(reader.size()));
REPORTER_ASSERT(reporter, !reader.isAvailable(reader.size() + 1));
REPORTER_ASSERT(reporter, reader.peek() == reader.base());
}
static void testWritePad(skiatest::Reporter* reporter, SkWriter32* writer) {
// Create some random data to write.
const size_t dataSize = 10;
SkAutoTMalloc<uint32_t> originalData(dataSize);
{
SkRandom rand(0);
for (size_t i = 0; i < dataSize; i++) {
originalData[(int) i] = rand.nextU();
}
// Write the random data to the writer at different lengths for
// different alignments.
for (size_t len = 0; len < dataSize; len++) {
writer->writePad(originalData.get(), len);
}
}
size_t totalBytes = writer->bytesWritten();
SkAutoMalloc readStorage(totalBytes);
writer->flatten(readStorage.get());
SkReader32 reader;
reader.setMemory(readStorage.get(), totalBytes);
for (size_t len = 0; len < dataSize; len++) {
const char* readPtr = static_cast<const char*>(reader.skip(len));
// Ensure that the data read is the same as what was written.
REPORTER_ASSERT(reporter, memcmp(readPtr, originalData.get(), len) == 0);
// Ensure that the rest is padded with zeroes.
const char* stop = readPtr + SkAlign4(len);
readPtr += len;
while (readPtr < stop) {
REPORTER_ASSERT(reporter, *readPtr++ == 0);
}
}
}
DEF_TEST(Reader32, reporter) {
SkReader32 reader;
assert_empty(reporter, reader);
REPORTER_ASSERT(reporter, NULL == reader.base());
REPORTER_ASSERT(reporter, NULL == reader.peek());
size_t i;
const int32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
const SkScalar data2[] = { 0, SK_Scalar1, -SK_Scalar1, SK_Scalar1/2 };
const size_t bufsize = sizeof(data) > sizeof(data2) ?
sizeof(data) : sizeof(data2);
char buffer[bufsize];
reader.setMemory(data, sizeof(data));
for (i = 0; i < SK_ARRAY_COUNT(data); ++i) {
REPORTER_ASSERT(reporter, sizeof(data) == reader.size());
REPORTER_ASSERT(reporter, i*4 == reader.offset());
REPORTER_ASSERT(reporter, (const void*)data == reader.base());
REPORTER_ASSERT(reporter, (const void*)&data[i] == reader.peek());
REPORTER_ASSERT(reporter, data[i] == reader.readInt());
}
assert_eof(reporter, reader);
reader.rewind();
assert_start(reporter, reader);
reader.read(buffer, sizeof(data));
REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(data)));
reader.setMemory(data2, sizeof(data2));
for (i = 0; i < SK_ARRAY_COUNT(data2); ++i) {
REPORTER_ASSERT(reporter, sizeof(data2) == reader.size());
REPORTER_ASSERT(reporter, i*4 == reader.offset());
REPORTER_ASSERT(reporter, (const void*)data2 == reader.base());
REPORTER_ASSERT(reporter, (const void*)&data2[i] == reader.peek());
REPORTER_ASSERT(reporter, data2[i] == reader.readScalar());
}
assert_eof(reporter, reader);
reader.rewind();
assert_start(reporter, reader);
reader.read(buffer, sizeof(data2));
REPORTER_ASSERT(reporter, !memcmp(data2, buffer, sizeof(data2)));
reader.setMemory(NULL, 0);
assert_empty(reporter, reader);
REPORTER_ASSERT(reporter, NULL == reader.base());
REPORTER_ASSERT(reporter, NULL == reader.peek());
}
static void assert_eof(skiatest::Reporter* reporter, const SkReader32& reader) {
REPORTER_ASSERT(reporter, reader.eof());
REPORTER_ASSERT(reporter, reader.size() == reader.offset());
REPORTER_ASSERT(reporter, (const char*)reader.peek() ==
(const char*)reader.base() + reader.size());
}
