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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkData.h"
#include "SkMallocPixelRef.h"
#include "Test.h"
static void delete_uint8_proc(void* ptr, void*) {
delete[] static_cast<uint8_t*>(ptr);
}
static void set_to_one_proc(void*, void* context) {
*(static_cast<int*>(context)) = 1;
}
/**
* This test contains basic sanity checks concerning SkMallocPixelRef.
*/
DEF_TEST(MallocPixelRef, reporter) {
REPORTER_ASSERT(reporter, true);
SkImageInfo info = SkImageInfo::MakeN32Premul(10, 13);
{
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewAllocate(info, info.minRowBytes() - 1, NULL));
// rowbytes too small.
REPORTER_ASSERT(reporter, NULL == pr.get());
}
{
size_t rowBytes = info.minRowBytes() - 1;
size_t size = info.getSafeSize(rowBytes);
void* addr = sk_malloc_throw(size);
SkAutoDataUnref data(SkData::NewFromMalloc(addr, size));
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewWithData(info, rowBytes,
NULL, data.get()));
// rowbytes too small.
REPORTER_ASSERT(reporter, NULL == pr.get());
}
{
size_t rowBytes = info.minRowBytes() + 2;
size_t size = info.getSafeSize(rowBytes) - 1;
void* addr = sk_malloc_throw(size);
SkAutoDataUnref data(SkData::NewFromMalloc(addr, size));
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewWithData(info, rowBytes, NULL,
data.get()));
// data too small.
REPORTER_ASSERT(reporter, NULL == pr.get());
}
size_t rowBytes = info.minRowBytes() + 7;
size_t size = info.getSafeSize(rowBytes) + 9;
{
SkAutoMalloc memory(size);
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewDirect(info, memory.get(), rowBytes, NULL));
REPORTER_ASSERT(reporter, pr.get() != NULL);
REPORTER_ASSERT(reporter, memory.get() == pr->pixels());
}
{
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewAllocate(info, rowBytes, NULL));
REPORTER_ASSERT(reporter, pr.get() != NULL);
REPORTER_ASSERT(reporter, NULL != pr->pixels());
}
{
void* addr = static_cast<void*>(new uint8_t[size]);
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewWithProc(info, rowBytes, NULL, addr,
delete_uint8_proc, NULL));
REPORTER_ASSERT(reporter, pr.get() != NULL);
REPORTER_ASSERT(reporter, addr == pr->pixels());
}
{
int x = 0;
SkAutoMalloc memory(size);
REPORTER_ASSERT(reporter, memory.get() != NULL);
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewWithProc(info, rowBytes, NULL,
memory.get(), set_to_one_proc,
static_cast<void*>(&x)));
REPORTER_ASSERT(reporter, pr.get() != NULL);
REPORTER_ASSERT(reporter, memory.get() == pr->pixels());
REPORTER_ASSERT(reporter, 0 == x);
pr.reset(NULL);
// make sure that set_to_one_proc was called.
REPORTER_ASSERT(reporter, 1 == x);
}
{
void* addr = static_cast<void*>(new uint8_t[size]);
REPORTER_ASSERT(reporter, addr != NULL);
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewWithProc(info, rowBytes, NULL, addr,
delete_uint8_proc, NULL));
REPORTER_ASSERT(reporter, addr == pr->pixels());
}
{
void* addr = sk_malloc_throw(size);
SkAutoDataUnref data(SkData::NewFromMalloc(addr, size));
REPORTER_ASSERT(reporter, data.get() != NULL);
SkData* dataPtr = data.get();
REPORTER_ASSERT(reporter, dataPtr->unique());
SkAutoTUnref<SkMallocPixelRef> pr(
SkMallocPixelRef::NewWithData(info, rowBytes, NULL, data.get(), 4));
REPORTER_ASSERT(reporter, !(dataPtr->unique()));
data.reset(NULL);
REPORTER_ASSERT(reporter, dataPtr->unique());
REPORTER_ASSERT(reporter,
static_cast<const void*>(dataPtr->bytes() + 4) == pr->pixels());
}
}
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