// OMP
void find_nbors(Pvec& pvec, const double cutoff, const double w){
const int max=pvec.size();
#pragma omp parallel for schedule(dynamic, 2)
for(int i=0; i<max; i++){
Point& pi=pvec[i];
double max_norm=0, larger_norm=1e6;
int max_ind=-1, larger_ind=-1;
for(int j=0; j<max; j++){
if(i==j) continue;
Point& pj=pvec[j];
Triple diff {image_diff(pj.x, pi.x, w), image_diff(pj.y, pi.y, w), image_diff(pj.z, pi.z, w)};
double rp = diff.x*diff.x+diff.y*diff.y;
const double r = sqrt(rp + diff.z*diff.z);
rp = sqrt(rp);
if(r < cutoff){
if(r > max_norm){ max_norm=r; max_ind=j; }
// p.a === cos(theta) = z / r
pi.cos_theta.push_back(diff.z / r);
// p.b === cos(phi) + i * sin(phi)
if(rp < 1e-12)
// phi == pi / 2
pi.exp_i_phi.push_back(Comp(0, 1));
else
pi.exp_i_phi.push_back(Comp(diff.x / rp, diff.y / rp));
pi.nbor_i.push_back(j);
}else if(r < larger_norm){
larger_norm = r;
larger_ind = j;
}
}
pi.max_norm = max_norm;
pi.max_ind = max_ind;
pi.larger_norm = larger_norm;
pi.larger_ind = larger_ind;
}
}
static cairo_test_status_t
cairo_test_for_target (cairo_test_t *test,
cairo_boilerplate_target_t *target,
int dev_offset)
{
cairo_test_status_t status;
cairo_surface_t *surface = NULL;
cairo_t *cr;
char *png_name, *ref_name, *diff_name, *offset_str;
cairo_test_status_t ret = CAIRO_TEST_SUCCESS;
cairo_content_t expected_content;
cairo_font_options_t *font_options;
const char *format;
/* Get the strings ready that we'll need. */
format = cairo_boilerplate_content_name (target->content);
if (dev_offset)
xasprintf (&offset_str, "-%d", dev_offset);
else
offset_str = strdup("");
xasprintf (&png_name, "%s-%s-%s%s%s",
test->name,
target->name,
format,
offset_str, CAIRO_TEST_PNG_SUFFIX);
ref_name = cairo_ref_name_for_test_target_format (test->name, target->name, format);
xasprintf (&diff_name, "%s-%s-%s%s%s",
test->name,
target->name,
format,
offset_str, CAIRO_TEST_DIFF_SUFFIX);
if (target->is_vector) {
int i;
for (i = 0; vector_ignored_tests[i] != NULL; i++)
if (strcmp (test->name, vector_ignored_tests[i]) == 0) {
cairo_test_log ("Error: Skipping for vector target %s\n", target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
}
if (ret == CAIRO_TEST_SUCCESS) {
/* Run the actual drawing code. */
if (test->width && test->height) {
test->width += dev_offset;
test->height += dev_offset;
}
surface = (target->create_surface) (test->name,
target->content,
test->width,
test->height,
CAIRO_BOILERPLATE_MODE_TEST,
&target->closure);
if (test->width && test->height) {
test->width -= dev_offset;
test->height -= dev_offset;;
}
}
if (surface == NULL) {
cairo_test_log ("Error: Failed to set %s target\n", target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
/* Check that we created a surface of the expected type. */
if (cairo_surface_get_type (surface) != target->expected_type) {
cairo_test_log ("Error: Created surface is of type %d (expected %d)\n",
cairo_surface_get_type (surface), target->expected_type);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_SURFACE;
}
/* Check that we created a surface of the expected content,
* (ignore the articifical
* CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED value).
*/
expected_content = target->content;
if (expected_content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED)
expected_content = CAIRO_CONTENT_COLOR_ALPHA;
if (cairo_surface_get_content (surface) != expected_content) {
cairo_test_log ("Error: Created surface has content %d (expected %d)\n",
cairo_surface_get_content (surface), expected_content);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_SURFACE;
}
cairo_surface_set_device_offset (surface, dev_offset, dev_offset);
cr = cairo_create (surface);
/* Clear to transparent (or black) depending on whether the target
* surface supports alpha. */
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_restore (cr);
/* Set all components of font_options to avoid backend differences
* and reduce number of needed reference images. */
font_options = cairo_font_options_create ();
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_ON);
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY);
cairo_set_font_options (cr, font_options);
cairo_font_options_destroy (font_options);
status = (test->draw) (cr, test->width, test->height);
/* Then, check all the different ways it could fail. */
if (status) {
cairo_test_log ("Error: Function under test failed\n");
ret = status;
goto UNWIND_CAIRO;
}
if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) {
cairo_test_log ("Error: Function under test left cairo status in an error state: %s\n",
cairo_status_to_string (cairo_status (cr)));
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
/* Skip image check for tests with no image (width,height == 0,0) */
if (test->width != 0 && test->height != 0) {
buffer_diff_result_t result;
cairo_status_t diff_status;
xunlink (png_name);
(target->write_to_png) (surface, png_name);
if (!ref_name) {
cairo_test_log ("Error: Cannot find reference image for %s/%s-%s-%s%s\n",srcdir,
test->name,
target->name,
format,
CAIRO_TEST_REF_SUFFIX);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
cairo_test_log ("Comparing result against reference image: %s\n", ref_name);
if (target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED) {
diff_status= image_diff_flattened (png_name, ref_name, diff_name,
dev_offset, dev_offset, 0, 0, &result);
} else {
diff_status = image_diff (png_name, ref_name, diff_name,
dev_offset, dev_offset, 0, 0, &result);
}
if (diff_status) {
cairo_test_log ("Error: Failed to compare images: %s\n",
cairo_status_to_string (diff_status));
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
if (result.pixels_changed && result.max_diff > target->error_tolerance) {
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
}
UNWIND_CAIRO:
cairo_destroy (cr);
UNWIND_SURFACE:
cairo_surface_destroy (surface);
cairo_debug_reset_static_data ();
if (target->cleanup)
target->cleanup (target->closure);
UNWIND_STRINGS:
if (png_name)
free (png_name);
if (ref_name)
free (ref_name);
if (diff_name)
free (diff_name);
if (offset_str)
free (offset_str);
return ret;
}
static cairo_bool_t
check_result (cairo_test_context_t *ctx,
const cairo_boilerplate_target_t *target,
const char *test_name,
const char *base_name,
cairo_surface_t *surface)
{
const char *format;
char *ref_name;
char *png_name;
char *diff_name;
cairo_surface_t *test_image, *ref_image, *diff_image;
buffer_diff_result_t result;
cairo_status_t status;
cairo_bool_t ret;
/* XXX log target, OUTPUT, REFERENCE, DIFFERENCE for index.html */
if (target->finish_surface != NULL) {
status = target->finish_surface (surface);
if (status) {
cairo_test_log (ctx, "Error: Failed to finish surface: %s\n",
cairo_status_to_string (status));
cairo_surface_destroy (surface);
return FALSE;
}
}
xasprintf (&png_name, "%s.out.png", base_name);
xasprintf (&diff_name, "%s.diff.png", base_name);
test_image = target->get_image_surface (surface, 0, SIZE, SIZE);
if (cairo_surface_status (test_image)) {
cairo_test_log (ctx, "Error: Failed to extract page: %s\n",
cairo_status_to_string (cairo_surface_status (test_image)));
cairo_surface_destroy (test_image);
free (png_name);
free (diff_name);
return FALSE;
}
_xunlink (ctx, png_name);
status = cairo_surface_write_to_png (test_image, png_name);
if (status) {
cairo_test_log (ctx, "Error: Failed to write output image: %s\n",
cairo_status_to_string (status));
cairo_surface_destroy (test_image);
free (png_name);
free (diff_name);
return FALSE;
}
format = cairo_boilerplate_content_name (target->content);
ref_name = cairo_test_reference_filename (ctx,
base_name,
test_name,
target->name,
target->basename,
format,
CAIRO_TEST_REF_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
if (ref_name == NULL) {
cairo_test_log (ctx, "Error: Cannot find reference image for %s\n",
base_name);
cairo_surface_destroy (test_image);
free (png_name);
free (diff_name);
return FALSE;
}
ref_image = cairo_test_get_reference_image (ctx, ref_name,
target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED);
if (cairo_surface_status (ref_image)) {
cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n",
ref_name,
cairo_status_to_string (cairo_surface_status (ref_image)));
cairo_surface_destroy (ref_image);
cairo_surface_destroy (test_image);
free (png_name);
free (diff_name);
free (ref_name);
return FALSE;
}
diff_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
SIZE, SIZE);
ret = TRUE;
status = image_diff (ctx,
test_image, ref_image, diff_image,
&result);
_xunlink (ctx, diff_name);
if (status) {
cairo_test_log (ctx, "Error: Failed to compare images: %s\n",
cairo_status_to_string (status));
ret = FALSE;
} else if (result.pixels_changed &&
result.max_diff > target->error_tolerance)
{
ret = FALSE;
status = cairo_surface_write_to_png (diff_image, diff_name);
if (status) {
cairo_test_log (ctx, "Error: Failed to write differences image: %s\n",
cairo_status_to_string (status));
}
}
cairo_surface_destroy (test_image);
cairo_surface_destroy (diff_image);
free (png_name);
free (diff_name);
free (ref_name);
return ret;
}
static cairo_status_t
png_diff (const char *filename_a,
const char *filename_b,
const char *filename_diff,
int ax,
int ay,
int bx,
int by,
buffer_diff_result_t *result)
{
cairo_surface_t *surface_a;
cairo_surface_t *surface_b;
cairo_surface_t *surface_diff;
cairo_status_t status;
surface_a = cairo_image_surface_create_from_png (filename_a);
status = cairo_surface_status (surface_a);
if (status) {
fprintf (stderr, "Error: Failed to create surface from %s: %s\n",
filename_a, cairo_status_to_string (status));
return status;
}
surface_b = cairo_image_surface_create_from_png (filename_b);
status = cairo_surface_status (surface_b);
if (status) {
fprintf (stderr, "Error: Failed to create surface from %s: %s\n",
filename_b, cairo_status_to_string (status));
cairo_surface_destroy (surface_a);
return status;
}
if (ax || ay) {
extract_sub_surface (&surface_a, ax, ay);
ax = ay = 0;
}
if (bx || by) {
extract_sub_surface (&surface_b, bx, by);
bx = by = 0;
}
status = cairo_surface_status (surface_a);
if (status) {
fprintf (stderr, "Error: Failed to extract surface from %s: %s\n",
filename_a, cairo_status_to_string (status));
cairo_surface_destroy (surface_a);
cairo_surface_destroy (surface_b);
return status;
}
status = cairo_surface_status (surface_b);
if (status) {
fprintf (stderr, "Error: Failed to extract surface from %s: %s\n",
filename_b, cairo_status_to_string (status));
cairo_surface_destroy (surface_a);
cairo_surface_destroy (surface_b);
return status;
}
surface_diff = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
cairo_image_surface_get_width (surface_a),
cairo_image_surface_get_height (surface_a));
status = cairo_surface_status (surface_diff);
if (status) {
fprintf (stderr,
"Error: Failed to allocate surface to hold differences\n");
cairo_surface_destroy (surface_a);
cairo_surface_destroy (surface_b);
return CAIRO_STATUS_NO_MEMORY;
}
status = image_diff (NULL,
surface_a, surface_b, surface_diff,
result);
cairo_surface_destroy (surface_a);
cairo_surface_destroy (surface_b);
cairo_surface_destroy (surface_diff);
_xunlink (filename_diff);
if (status == CAIRO_STATUS_SUCCESS &&
result->pixels_changed)
{
status = write_png (surface_diff, filename_diff);
}
return status;
}
static cairo_test_status_t
cairo_test_for_target (cairo_test_context_t *ctx,
const cairo_boilerplate_target_t *target,
int dev_offset,
cairo_bool_t similar)
{
cairo_test_status_t status;
cairo_surface_t *surface = NULL;
cairo_t *cr;
const char *empty_str = "";
char *offset_str;
char *base_name, *base_path;
char *out_png_path;
char *ref_path = NULL, *ref_png_path, *cmp_png_path = NULL;
char *new_path = NULL, *new_png_path;
char *xfail_path = NULL, *xfail_png_path;
char *base_ref_png_path;
char *base_new_png_path;
char *base_xfail_png_path;
char *diff_png_path;
char *test_filename = NULL, *pass_filename = NULL, *fail_filename = NULL;
cairo_test_status_t ret;
cairo_content_t expected_content;
cairo_font_options_t *font_options;
const char *format;
cairo_bool_t have_output = FALSE;
cairo_bool_t have_result = FALSE;
void *closure;
double width, height;
cairo_bool_t have_output_dir;
#if HAVE_MEMFAULT
int malloc_failure_iterations = ctx->malloc_failure;
int last_fault_count = 0;
#endif
/* Get the strings ready that we'll need. */
format = cairo_boilerplate_content_name (target->content);
if (dev_offset)
xasprintf (&offset_str, ".%d", dev_offset);
else
offset_str = (char *) empty_str;
xasprintf (&base_name, "%s.%s.%s%s%s",
ctx->test_name,
target->name,
format,
similar ? ".similar" : "",
offset_str);
if (offset_str != empty_str)
free (offset_str);
ref_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_REF_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
new_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_NEW_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
xfail_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_XFAIL_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
base_ref_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
NULL, NULL,
format,
CAIRO_TEST_REF_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
base_new_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
NULL, NULL,
format,
CAIRO_TEST_NEW_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
base_xfail_png_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
NULL, NULL,
format,
CAIRO_TEST_XFAIL_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
if (target->file_extension != NULL) {
ref_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_REF_SUFFIX,
target->file_extension);
new_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_NEW_SUFFIX,
target->file_extension);
xfail_path = cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
target->name,
target->basename,
format,
CAIRO_TEST_XFAIL_SUFFIX,
target->file_extension);
}
have_output_dir = _cairo_test_mkdir (ctx->output);
xasprintf (&base_path, "%s/%s",
have_output_dir ? ctx->output : ".",
base_name);
xasprintf (&out_png_path, "%s" CAIRO_TEST_OUT_PNG, base_path);
xasprintf (&diff_png_path, "%s" CAIRO_TEST_DIFF_PNG, base_path);
if (ctx->test->requirements != NULL) {
const char *required;
required = target->is_vector ? "target=raster" : "target=vector";
if (strstr (ctx->test->requirements, required) != NULL) {
cairo_test_log (ctx, "Error: Skipping for %s target %s\n",
target->is_vector ? "vector" : "raster",
target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
required = target->is_recording ? "target=!recording" : "target=recording";
if (strstr (ctx->test->requirements, required) != NULL) {
cairo_test_log (ctx, "Error: Skipping for %s target %s\n",
target->is_recording ? "recording" : "non-recording",
target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
}
width = ctx->test->width;
height = ctx->test->height;
if (width && height) {
width += dev_offset;
height += dev_offset;
}
#if HAVE_MEMFAULT
REPEAT:
MEMFAULT_CLEAR_FAULTS ();
MEMFAULT_RESET_LEAKS ();
ctx->last_fault_count = 0;
last_fault_count = MEMFAULT_COUNT_FAULTS ();
/* Pre-initialise fontconfig so that the configuration is loaded without
* malloc failures (our primary goal is to test cairo fault tolerance).
*/
#if HAVE_FCINIT
FcInit ();
#endif
MEMFAULT_ENABLE_FAULTS ();
#endif
have_output = FALSE;
have_result = FALSE;
/* Run the actual drawing code. */
ret = CAIRO_TEST_SUCCESS;
surface = (target->create_surface) (base_path,
target->content,
width, height,
ctx->test->width + 25 * NUM_DEVICE_OFFSETS,
ctx->test->height + 25 * NUM_DEVICE_OFFSETS,
CAIRO_BOILERPLATE_MODE_TEST,
&closure);
if (surface == NULL) {
cairo_test_log (ctx, "Error: Failed to set %s target\n", target->name);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_STRINGS;
}
#if HAVE_MEMFAULT
if (ctx->malloc_failure &&
MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 &&
cairo_surface_status (surface) == CAIRO_STATUS_NO_MEMORY)
{
goto REPEAT;
}
#endif
if (cairo_surface_status (surface)) {
MF (MEMFAULT_PRINT_FAULTS ());
cairo_test_log (ctx, "Error: Created an error surface: %s\n",
cairo_status_to_string (cairo_surface_status (surface)));
ret = CAIRO_TEST_FAILURE;
goto UNWIND_STRINGS;
}
/* Check that we created a surface of the expected type. */
if (cairo_surface_get_type (surface) != target->expected_type) {
MF (MEMFAULT_PRINT_FAULTS ());
cairo_test_log (ctx, "Error: Created surface is of type %d (expected %d)\n",
cairo_surface_get_type (surface), target->expected_type);
ret = CAIRO_TEST_UNTESTED;
goto UNWIND_SURFACE;
}
/* Check that we created a surface of the expected content,
* (ignore the artificial CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED value).
*/
expected_content = cairo_boilerplate_content (target->content);
if (cairo_surface_get_content (surface) != expected_content) {
MF (MEMFAULT_PRINT_FAULTS ());
cairo_test_log (ctx, "Error: Created surface has content %d (expected %d)\n",
cairo_surface_get_content (surface), expected_content);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_SURFACE;
}
if (cairo_surface_set_user_data (surface,
&cairo_boilerplate_output_basename_key,
base_path,
NULL))
{
#if HAVE_MEMFAULT
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
goto REPEAT;
#else
ret = CAIRO_TEST_FAILURE;
goto UNWIND_SURFACE;
#endif
}
cairo_surface_set_device_offset (surface, dev_offset, dev_offset);
cr = cairo_create (surface);
if (cairo_set_user_data (cr, &_cairo_test_context_key, (void*) ctx, NULL)) {
#if HAVE_MEMFAULT
cairo_destroy (cr);
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
goto REPEAT;
#else
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
#endif
}
if (similar)
cairo_push_group_with_content (cr, expected_content);
/* Clear to transparent (or black) depending on whether the target
* surface supports alpha. */
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_restore (cr);
/* Set all components of font_options to avoid backend differences
* and reduce number of needed reference images. */
font_options = cairo_font_options_create ();
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_ON);
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY);
cairo_set_font_options (cr, font_options);
cairo_font_options_destroy (font_options);
cairo_save (cr);
alarm (ctx->timeout);
status = (ctx->test->draw) (cr, ctx->test->width, ctx->test->height);
alarm (0);
cairo_restore (cr);
if (similar) {
cairo_pop_group_to_source (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
}
#if HAVE_MEMFAULT
MEMFAULT_DISABLE_FAULTS ();
/* repeat test after malloc failure injection */
if (ctx->malloc_failure &&
MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 &&
(status == CAIRO_TEST_NO_MEMORY ||
cairo_status (cr) == CAIRO_STATUS_NO_MEMORY ||
cairo_surface_status (surface) == CAIRO_STATUS_NO_MEMORY))
{
cairo_destroy (cr);
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
cairo_debug_reset_static_data ();
#if HAVE_FCFINI
FcFini ();
#endif
if (MEMFAULT_COUNT_LEAKS () > 0) {
MEMFAULT_PRINT_FAULTS ();
MEMFAULT_PRINT_LEAKS ();
}
goto REPEAT;
}
#endif
/* Then, check all the different ways it could fail. */
if (status) {
cairo_test_log (ctx, "Error: Function under test failed\n");
ret = status;
goto UNWIND_CAIRO;
}
#if HAVE_MEMFAULT
if (MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 &&
MEMFAULT_HAS_FAULTS ())
{
VALGRIND_PRINTF ("Unreported memfaults...");
MEMFAULT_PRINT_FAULTS ();
}
#endif
if (target->finish_surface != NULL) {
#if HAVE_MEMFAULT
/* We need to re-enable faults as most recording-surface processing
* is done during cairo_surface_finish().
*/
MEMFAULT_CLEAR_FAULTS ();
last_fault_count = MEMFAULT_COUNT_FAULTS ();
MEMFAULT_ENABLE_FAULTS ();
#endif
/* also check for infinite loops whilst replaying */
alarm (ctx->timeout);
status = target->finish_surface (surface);
alarm (0);
#if HAVE_MEMFAULT
MEMFAULT_DISABLE_FAULTS ();
if (ctx->malloc_failure &&
MEMFAULT_COUNT_FAULTS () - last_fault_count > 0 &&
status == CAIRO_STATUS_NO_MEMORY)
{
cairo_destroy (cr);
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
cairo_debug_reset_static_data ();
#if HAVE_FCFINI
FcFini ();
#endif
if (MEMFAULT_COUNT_LEAKS () > 0) {
MEMFAULT_PRINT_FAULTS ();
MEMFAULT_PRINT_LEAKS ();
}
goto REPEAT;
}
#endif
if (status) {
cairo_test_log (ctx, "Error: Failed to finish surface: %s\n",
cairo_status_to_string (status));
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
}
/* Skip image check for tests with no image (width,height == 0,0) */
if (ctx->test->width != 0 && ctx->test->height != 0) {
cairo_surface_t *ref_image;
cairo_surface_t *test_image;
cairo_surface_t *diff_image;
buffer_diff_result_t result;
cairo_status_t diff_status;
if (ref_png_path == NULL) {
cairo_test_log (ctx, "Error: Cannot find reference image for %s\n",
base_name);
/* we may be running this test to generate reference images */
_xunlink (ctx, out_png_path);
/* be more generous as we may need to use external renderers */
alarm (4 * ctx->timeout);
test_image = target->get_image_surface (surface, 0,
ctx->test->width,
ctx->test->height);
alarm (0);
diff_status = cairo_surface_write_to_png (test_image, out_png_path);
cairo_surface_destroy (test_image);
if (diff_status) {
if (cairo_surface_status (test_image) == CAIRO_STATUS_INVALID_STATUS)
ret = CAIRO_TEST_CRASHED;
else
ret = CAIRO_TEST_FAILURE;
cairo_test_log (ctx,
"Error: Failed to write output image: %s\n",
cairo_status_to_string (diff_status));
}
have_output = TRUE;
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
if (target->file_extension != NULL) { /* compare vector surfaces */
char *filenames[] = {
ref_png_path,
ref_path,
new_png_path,
new_path,
xfail_png_path,
xfail_path,
base_ref_png_path,
base_new_png_path,
base_xfail_png_path,
};
xasprintf (&test_filename, "%s.out%s",
base_path, target->file_extension);
xasprintf (&pass_filename, "%s.pass%s",
base_path, target->file_extension);
xasprintf (&fail_filename, "%s.fail%s",
base_path, target->file_extension);
if (cairo_test_file_is_older (pass_filename,
filenames,
ARRAY_SIZE (filenames)))
{
_xunlink (ctx, pass_filename);
}
if (cairo_test_file_is_older (fail_filename,
filenames,
ARRAY_SIZE (filenames)))
{
_xunlink (ctx, fail_filename);
}
if (cairo_test_files_equal (out_png_path, ref_path)) {
cairo_test_log (ctx, "Vector surface matches reference.\n");
have_output = FALSE;
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, new_path)) {
cairo_test_log (ctx, "Vector surface matches current failure.\n");
have_output = FALSE;
ret = CAIRO_TEST_NEW;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, xfail_path)) {
cairo_test_log (ctx, "Vector surface matches known failure.\n");
have_output = FALSE;
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (test_filename, pass_filename)) {
/* identical output as last known PASS */
cairo_test_log (ctx, "Vector surface matches last pass.\n");
have_output = TRUE;
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (test_filename, fail_filename)) {
/* identical output as last known FAIL, fail */
cairo_test_log (ctx, "Vector surface matches last fail.\n");
have_result = TRUE; /* presume these were kept around as well */
have_output = TRUE;
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
}
/* be more generous as we may need to use external renderers */
alarm (4 * ctx->timeout);
test_image = target->get_image_surface (surface, 0,
ctx->test->width,
ctx->test->height);
alarm (0);
if (cairo_surface_status (test_image)) {
cairo_test_log (ctx, "Error: Failed to extract image: %s\n",
cairo_status_to_string (cairo_surface_status (test_image)));
if (cairo_surface_status (test_image) == CAIRO_STATUS_INVALID_STATUS)
ret = CAIRO_TEST_CRASHED;
else
ret = CAIRO_TEST_FAILURE;
cairo_surface_destroy (test_image);
goto UNWIND_CAIRO;
}
_xunlink (ctx, out_png_path);
diff_status = cairo_surface_write_to_png (test_image, out_png_path);
if (diff_status) {
cairo_test_log (ctx, "Error: Failed to write output image: %s\n",
cairo_status_to_string (diff_status));
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
have_output = TRUE;
/* binary compare png files (no decompression) */
if (target->file_extension == NULL) {
char *filenames[] = {
ref_png_path,
new_png_path,
xfail_png_path,
base_ref_png_path,
base_new_png_path,
base_xfail_png_path,
};
xasprintf (&test_filename, "%s", out_png_path);
xasprintf (&pass_filename, "%s.pass.png", base_path);
xasprintf (&fail_filename, "%s.fail.png", base_path);
if (cairo_test_file_is_older (pass_filename,
filenames,
ARRAY_SIZE (filenames)))
{
_xunlink (ctx, pass_filename);
}
if (cairo_test_file_is_older (fail_filename,
filenames,
ARRAY_SIZE (filenames)))
{
_xunlink (ctx, fail_filename);
}
if (cairo_test_files_equal (test_filename, pass_filename)) {
cairo_test_log (ctx, "PNG file exactly matches last pass.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, ref_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches reference image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, new_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches current failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_NEW;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, xfail_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches known failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (test_filename, fail_filename)) {
cairo_test_log (ctx, "PNG file exactly matches last fail.\n");
have_result = TRUE; /* presume these were kept around as well */
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
} else {
if (cairo_test_files_equal (out_png_path, ref_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches reference image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, new_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches current failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_NEW;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, xfail_png_path)) {
cairo_test_log (ctx, "PNG file exactly matches known failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
}
if (cairo_test_files_equal (out_png_path, base_ref_png_path)) {
cairo_test_log (ctx, "PNG file exactly reference image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_SUCCESS;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, base_new_png_path)) {
cairo_test_log (ctx, "PNG file exactly current failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_NEW;
goto UNWIND_CAIRO;
}
if (cairo_test_files_equal (out_png_path, base_xfail_png_path)) {
cairo_test_log (ctx, "PNG file exactly known failure image.\n");
have_result = TRUE;
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_XFAILURE;
goto UNWIND_CAIRO;
}
/* first compare against the ideal reference */
ref_image = cairo_test_get_reference_image (ctx, base_ref_png_path,
target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED);
if (cairo_surface_status (ref_image)) {
cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n",
base_ref_png_path,
cairo_status_to_string (cairo_surface_status (ref_image)));
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
diff_image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
ctx->test->width,
ctx->test->height);
cmp_png_path = base_ref_png_path;
diff_status = image_diff (ctx,
test_image, ref_image, diff_image,
&result);
_xunlink (ctx, diff_png_path);
if (diff_status ||
image_diff_is_failure (&result, target->error_tolerance))
{
/* that failed, so check against the specific backend */
ref_image = cairo_test_get_reference_image (ctx, ref_png_path,
target->content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED);
if (cairo_surface_status (ref_image)) {
cairo_test_log (ctx, "Error: Cannot open reference image for %s: %s\n",
ref_png_path,
cairo_status_to_string (cairo_surface_status (ref_image)));
cairo_surface_destroy (test_image);
ret = CAIRO_TEST_FAILURE;
goto UNWIND_CAIRO;
}
cmp_png_path = ref_png_path;
diff_status = image_diff (ctx,
test_image, ref_image,
diff_image,
&result);
if (diff_status)
{
cairo_test_log (ctx, "Error: Failed to compare images: %s\n",
cairo_status_to_string (diff_status));
ret = CAIRO_TEST_FAILURE;
}
else if (image_diff_is_failure (&result, target->error_tolerance))
{
ret = CAIRO_TEST_FAILURE;
diff_status = cairo_surface_write_to_png (diff_image,
diff_png_path);
if (diff_status) {
cairo_test_log (ctx, "Error: Failed to write differences image: %s\n",
cairo_status_to_string (diff_status));
} else {
have_result = TRUE;
}
cairo_test_copy_file (test_filename, fail_filename);
}
else
{ /* success */
cairo_test_copy_file (test_filename, pass_filename);
}
}
else
{ /* success */
cairo_test_copy_file (test_filename, pass_filename);
}
/* If failed, compare against the current image output,
* and attempt to detect systematic failures.
*/
if (ret == CAIRO_TEST_FAILURE) {
char *image_out_path;
image_out_path =
cairo_test_reference_filename (ctx,
base_name,
ctx->test_name,
"image",
"image",
format,
CAIRO_TEST_OUT_SUFFIX,
CAIRO_TEST_PNG_EXTENSION);
if (image_out_path != NULL) {
if (cairo_test_files_equal (out_png_path,
image_out_path))
{
ret = CAIRO_TEST_XFAILURE;
}
else
{
ref_image =
cairo_image_surface_create_from_png (image_out_path);
if (cairo_surface_status (ref_image) == CAIRO_STATUS_SUCCESS)
{
diff_status = image_diff (ctx,
test_image, ref_image,
diff_image,
&result);
if (diff_status == CAIRO_STATUS_SUCCESS &&
!image_diff_is_failure (&result, target->error_tolerance))
{
ret = CAIRO_TEST_XFAILURE;
}
cairo_surface_destroy (ref_image);
}
}
free (image_out_path);
}
}
cairo_surface_destroy (test_image);
cairo_surface_destroy (diff_image);
}
if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) {
cairo_test_log (ctx, "Error: Function under test left cairo status in an error state: %s\n",
cairo_status_to_string (cairo_status (cr)));
ret = CAIRO_TEST_ERROR;
goto UNWIND_CAIRO;
}
UNWIND_CAIRO:
free (test_filename);
free (fail_filename);
free (pass_filename);
test_filename = fail_filename = pass_filename = NULL;
#if HAVE_MEMFAULT
if (ret == CAIRO_TEST_FAILURE)
MEMFAULT_PRINT_FAULTS ();
#endif
cairo_destroy (cr);
UNWIND_SURFACE:
cairo_surface_destroy (surface);
if (target->cleanup)
target->cleanup (closure);
#if HAVE_MEMFAULT
cairo_debug_reset_static_data ();
#if HAVE_FCFINI
FcFini ();
#endif
if (MEMFAULT_COUNT_LEAKS () > 0) {
if (ret != CAIRO_TEST_FAILURE)
MEMFAULT_PRINT_FAULTS ();
MEMFAULT_PRINT_LEAKS ();
}
if (ret == CAIRO_TEST_SUCCESS && --malloc_failure_iterations > 0)
goto REPEAT;
#endif
if (have_output)
cairo_test_log (ctx, "OUTPUT: %s\n", out_png_path);
if (have_result) {
if (cmp_png_path == NULL) {
/* XXX presume we matched the normal ref last time */
cmp_png_path = ref_png_path;
}
cairo_test_log (ctx,
"REFERENCE: %s\nDIFFERENCE: %s\n",
cmp_png_path, diff_png_path);
}
UNWIND_STRINGS:
free (out_png_path);
free (ref_png_path);
free (base_ref_png_path);
free (ref_path);
free (new_png_path);
free (base_new_png_path);
free (new_path);
free (xfail_png_path);
free (base_xfail_png_path);
free (xfail_path);
free (diff_png_path);
free (base_path);
free (base_name);
return ret;
}
