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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include "gtest/gtest.h"
#include "gfxASurface.h"
#include "gfxImageSurface.h"
#include "nsISupportsUtils.h" // for NS_ADDREF
#include "cairo.h"
static int GetASurfaceRefCount(gfxASurface* s) {
NS_ADDREF(s);
return s->Release();
}
static int CheckInt(int value, int expected) {
if (value != expected) {
fprintf(stderr, "Expected %d got %d\n", expected, value);
return 1;
}
return 0;
}
static int CheckPointer(void* value, void* expected) {
if (value != expected) {
fprintf(stderr, "Expected %p got %p\n", expected, value);
return 1;
}
return 0;
}
static cairo_user_data_key_t destruction_key;
static void SurfaceDestroyNotifier(void* data) { *(int*)data = 1; }
static int TestNewSurface() {
int failures = 0;
int destroyed = 0;
RefPtr<gfxASurface> s =
new gfxImageSurface(mozilla::gfx::IntSize(10, 10),
mozilla::gfx::SurfaceFormat::A8R8G8B8_UINT32);
cairo_surface_t* cs = s->CairoSurface();
cairo_surface_set_user_data(cs, &destruction_key, &destroyed,
SurfaceDestroyNotifier);
failures += CheckInt(GetASurfaceRefCount(s.get()), 1);
failures += CheckInt(cairo_surface_get_reference_count(cs), 1);
failures += CheckInt(destroyed, 0);
cairo_surface_reference(cs);
failures += CheckInt(GetASurfaceRefCount(s.get()), 2);
failures += CheckInt(cairo_surface_get_reference_count(cs), 2);
failures += CheckInt(destroyed, 0);
gfxASurface* savedWrapper = s.get();
s = nullptr;
failures += CheckInt(cairo_surface_get_reference_count(cs), 1);
failures += CheckInt(destroyed, 0);
s = gfxASurface::Wrap(cs);
failures += CheckPointer(s.get(), savedWrapper);
failures += CheckInt(GetASurfaceRefCount(s.get()), 2);
failures += CheckInt(cairo_surface_get_reference_count(cs), 2);
failures += CheckInt(destroyed, 0);
cairo_surface_destroy(cs);
failures += CheckInt(GetASurfaceRefCount(s.get()), 1);
failures += CheckInt(cairo_surface_get_reference_count(cs), 1);
failures += CheckInt(destroyed, 0);
s = nullptr;
failures += CheckInt(destroyed, 1);
return failures;
}
static int TestExistingSurface() {
int failures = 0;
int destroyed = 0;
cairo_surface_t* cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 10, 10);
cairo_surface_set_user_data(cs, &destruction_key, &destroyed,
SurfaceDestroyNotifier);
failures += CheckInt(cairo_surface_get_reference_count(cs), 1);
failures += CheckInt(destroyed, 0);
RefPtr<gfxASurface> s = gfxASurface::Wrap(cs);
failures += CheckInt(GetASurfaceRefCount(s.get()), 2);
cairo_surface_reference(cs);
failures += CheckInt(GetASurfaceRefCount(s.get()), 3);
failures += CheckInt(cairo_surface_get_reference_count(cs), 3);
failures += CheckInt(destroyed, 0);
gfxASurface* savedWrapper = s.get();
s = nullptr;
failures += CheckInt(cairo_surface_get_reference_count(cs), 2);
failures += CheckInt(destroyed, 0);
s = gfxASurface::Wrap(cs);
failures += CheckPointer(s.get(), savedWrapper);
failures += CheckInt(GetASurfaceRefCount(s.get()), 3);
failures += CheckInt(cairo_surface_get_reference_count(cs), 3);
failures += CheckInt(destroyed, 0);
cairo_surface_destroy(cs);
failures += CheckInt(GetASurfaceRefCount(s.get()), 2);
failures += CheckInt(cairo_surface_get_reference_count(cs), 2);
failures += CheckInt(destroyed, 0);
s = nullptr;
failures += CheckInt(cairo_surface_get_reference_count(cs), 1);
failures += CheckInt(destroyed, 0);
cairo_surface_destroy(cs);
failures += CheckInt(destroyed, 1);
return failures;
}
TEST(Gfx, SurfaceRefCount)
{
int fail;
fail = TestNewSurface();
EXPECT_TRUE(fail == 0) << "TestNewSurface: " << fail << " failures";
fail = TestExistingSurface();
EXPECT_TRUE(fail == 0) << "TestExistingSurface: " << fail << " failures";
}
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