blob: 0167d52d02b2a261d11ff5af35cd3a84a8f12aa2 [file] [log] [blame]
/*
* 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 "SkBitmap.h"
#include "Test.h"
static void test_bigwidth(skiatest::Reporter* reporter) {
SkBitmap bm;
int width = 1 << 29; // *4 will be the high-bit of 32bit int
SkImageInfo info = SkImageInfo::Make(width, 1, kAlpha_8_SkColorType,
kPremul_SkAlphaType);
REPORTER_ASSERT(reporter, bm.setConfig(info));
info.fColorType = kRGB_565_SkColorType;
REPORTER_ASSERT(reporter, bm.setConfig(info));
// for a 4-byte config, this width will compute a rowbytes of 0x80000000,
// which does not fit in a int32_t. setConfig should detect this, and fail.
// TODO: perhaps skia can relax this, and only require that rowBytes fit
// in a uint32_t (or larger), but for now this is the constraint.
info.fColorType = kPMColor_SkColorType;
REPORTER_ASSERT(reporter, !bm.setConfig(info));
}
/**
* This test contains basic sanity checks concerning bitmaps.
*/
DEF_TEST(Bitmap, reporter) {
// Zero-sized bitmaps are allowed
for (int width = 0; width < 2; ++width) {
for (int height = 0; height < 2; ++height) {
SkBitmap bm;
bool setConf = bm.setConfig(SkImageInfo::MakeN32Premul(width,
height));
REPORTER_ASSERT(reporter, setConf);
if (setConf) {
REPORTER_ASSERT(reporter, bm.allocPixels(NULL));
}
REPORTER_ASSERT(reporter, SkToBool(width & height) != bm.empty());
}
}
test_bigwidth(reporter);
}