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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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151
gfx/tests/gtest/gfxSurfaceRefCountTest.cpp Normal file
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#include <stdio.h>
#include "gtest/gtest.h"
#include "gfxASurface.h"
#include "gfxImageSurface.h"
#include "cairo.h"
int
GetASurfaceRefCount(gfxASurface *s) {
NS_ADDREF(s);
return s->Release();
}
int
CheckInt (int value, int expected) {
if (value != expected) {
fprintf (stderr, "Expected %d got %d\n", expected, value);
return 1;
}
return 0;
}
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;
void
SurfaceDestroyNotifier (void *data) {
*(int *)data = 1;
}
int
TestNewSurface () {
int failures = 0;
int destroyed = 0;
RefPtr<gfxASurface> s = new gfxImageSurface (mozilla::gfx::IntSize(10, 10), 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;
}
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";
}