80e39a77b1
git-svn-id: http://skia.googlecode.com/svn/trunk@143 2bbb7eff-a529-9590-31e7-b0007b416f81
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
#include "Test.h"
|
|
#include "SkRandom.h"
|
|
#include "SkStream.h"
|
|
|
|
#define MAX_SIZE (256 * 1024)
|
|
|
|
static void random_fill(SkRandom& rand, void* buffer, size_t size) {
|
|
char* p = (char*)buffer;
|
|
char* stop = p + size;
|
|
while (p < stop) {
|
|
*p++ = (char)(rand.nextU() >> 8);
|
|
}
|
|
}
|
|
|
|
static void test_buffer(skiatest::Reporter* reporter) {
|
|
SkRandom rand;
|
|
SkAutoMalloc am(MAX_SIZE * 2);
|
|
char* storage = (char*)am.get();
|
|
char* storage2 = storage + MAX_SIZE;
|
|
|
|
random_fill(rand, storage, MAX_SIZE);
|
|
|
|
for (int sizeTimes = 0; sizeTimes < 100; sizeTimes++) {
|
|
int size = rand.nextU() % MAX_SIZE;
|
|
if (size == 0) {
|
|
size = MAX_SIZE;
|
|
}
|
|
for (int times = 0; times < 100; times++) {
|
|
int bufferSize = 1 + (rand.nextU() & 0xFFFF);
|
|
SkMemoryStream mstream(storage, size);
|
|
SkBufferStream bstream(&mstream, bufferSize);
|
|
|
|
int bytesRead = 0;
|
|
while (bytesRead < size) {
|
|
int s = 17 + (rand.nextU() & 0xFFFF);
|
|
int ss = bstream.read(storage2, s);
|
|
REPORTER_ASSERT(reporter, ss > 0 && ss <= s);
|
|
REPORTER_ASSERT(reporter, bytesRead + ss <= size);
|
|
REPORTER_ASSERT(reporter,
|
|
memcmp(storage + bytesRead, storage2, ss) == 0);
|
|
bytesRead += ss;
|
|
}
|
|
REPORTER_ASSERT(reporter, bytesRead == size);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void TestRStream(skiatest::Reporter* reporter) {
|
|
static const char s[] =
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
|
char copy[sizeof(s)];
|
|
SkRandom rand;
|
|
|
|
for (int i = 0; i < 65; i++) {
|
|
char* copyPtr = copy;
|
|
SkMemoryStream mem(s, sizeof(s));
|
|
SkBufferStream buff(&mem, i);
|
|
|
|
do {
|
|
copyPtr += buff.read(copyPtr, rand.nextU() & 15);
|
|
} while (copyPtr < copy + sizeof(s));
|
|
REPORTER_ASSERT(reporter, copyPtr == copy + sizeof(s));
|
|
REPORTER_ASSERT(reporter, memcmp(s, copy, sizeof(s)) == 0);
|
|
}
|
|
test_buffer(reporter);
|
|
}
|
|
|
|
static void TestWStream(skiatest::Reporter* reporter) {
|
|
SkDynamicMemoryWStream ds;
|
|
const char s[] = "abcdefghijklmnopqrstuvwxyz";
|
|
int i;
|
|
for (i = 0; i < 100; i++) {
|
|
REPORTER_ASSERT(reporter, ds.write(s, 26));
|
|
}
|
|
REPORTER_ASSERT(reporter, ds.getOffset() == 100 * 26);
|
|
char* dst = new char[100 * 26 + 1];
|
|
dst[100*26] = '*';
|
|
ds.copyTo(dst);
|
|
REPORTER_ASSERT(reporter, dst[100*26] == '*');
|
|
// char* p = dst;
|
|
for (i = 0; i < 100; i++) {
|
|
REPORTER_ASSERT(reporter, memcmp(&dst[i * 26], s, 26) == 0);
|
|
}
|
|
REPORTER_ASSERT(reporter, memcmp(dst, ds.getStream(), 100*26) == 0);
|
|
delete[] dst;
|
|
}
|
|
|
|
static void TestStreams(skiatest::Reporter* reporter) {
|
|
TestRStream(reporter);
|
|
TestWStream(reporter);
|
|
}
|
|
|
|
#include "TestClassDef.h"
|
|
DEFINE_TESTCLASS("Stream", StreamTestClass, TestStreams)
|