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gtk/testsuite/css/transition.c
Matthias Clasen 9a2d6d6d88 Improve css parser test coverage
2023-05-13 07:36:28 -04:00

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/*
* Copyright (C) 2021 Red Hat Inc.
*
* Author:
* Matthias Clasen <mclasen@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "gtk/gtkcssvalueprivate.h"
#include "gtk/gtkcsscolorvalueprivate.h"
#include "gtk/gtkcssnumbervalueprivate.h"
#include "gtk/gtkcssstylepropertyprivate.h"
#include "gtk/gtkcssstaticstyleprivate.h"
#include "gtk/gtkcsspalettevalueprivate.h"
static gboolean
color_is_near (const GdkRGBA *color1,
const GdkRGBA *color2)
{
return (fabs (color1->red - color2->red) <= FLT_EPSILON &&
fabs (color1->green - color2->green) <= FLT_EPSILON &&
fabs (color1->blue - color2->blue) <= FLT_EPSILON &&
fabs (color1->alpha - color2->alpha) <= FLT_EPSILON);
}
static gboolean
value_is_near (int prop,
GtkCssValue *value1,
GtkCssValue *value2)
{
if (_gtk_css_value_equal (value1, value2))
return TRUE;
switch (prop)
{
case GTK_CSS_PROPERTY_COLOR:
return color_is_near (gtk_css_color_value_get_rgba (value1),
gtk_css_color_value_get_rgba (value2));
break;
case GTK_CSS_PROPERTY_ICON_PALETTE:
return color_is_near (gtk_css_palette_value_get_color (value1, "error"),
gtk_css_palette_value_get_color (value2, "error")) &&
color_is_near (gtk_css_palette_value_get_color (value1, "warning"),
gtk_css_palette_value_get_color (value2, "warning")) &&
color_is_near (gtk_css_palette_value_get_color (value1, "test"),
gtk_css_palette_value_get_color (value2, "test"));
break;
case GTK_CSS_PROPERTY_FONT_SIZE:
return fabs (_gtk_css_number_value_get (value1, 100) -
_gtk_css_number_value_get (value2, 100)) < FLT_EPSILON;
break;
default:
break;
}
return FALSE;
}
static void
assert_css_value (int prop,
GtkCssValue *result,
GtkCssValue *expected)
{
if (result == expected)
return;
if (((result == NULL) != (expected == NULL)) ||
!value_is_near (prop, result, expected))
{
char *r = result ? _gtk_css_value_to_string (result) : g_strdup ("(nil)");
char *e = expected ? _gtk_css_value_to_string (expected) : g_strdup ("(nil)");
g_print ("Expected %s\nGot %s\n", e, r);
g_free (r);
g_free (e);
g_assert_not_reached ();
}
}
/* Tests for css transitions */
typedef struct {
int prop;
const char *value1;
const char *value2;
double progress;
const char *value3;
} ValueTransitionTest;
static ValueTransitionTest tests[] = {
{ GTK_CSS_PROPERTY_COLOR, "transparent", "rgb(255,0,0)", 0.25, "rgba(255,0,0,0.25)" },
{ GTK_CSS_PROPERTY_COLOR, "alpha(red, 0.2)", "alpha(rgb(255,0,0),0.8)", 0.5, "rgba(255,0,0,0.5)" },
{ GTK_CSS_PROPERTY_BOX_SHADOW, "none", "2px 2px 10px 4px rgb(200,200,200)", 0.5, "1px 1px 5px 2px rgba(200,200,200,0.5)" },
{ GTK_CSS_PROPERTY_BOX_SHADOW, "2px 2px 10px 4px rgb(200,200,200)", "none", 0.5, "1px 1px 5px 2px rgba(200,200,200,0.5)" },
{ GTK_CSS_PROPERTY_BOX_SHADOW, "2px 2px 10px 4px rgb(200,200,200), 0px 10px 8px 6px rgb(200,100,0)", "none", 0.5, "1px 1px 5px 2px rgba(200,200,200,0.5), 0px 5px 4px 3px rgba(200,100,0,0.5)" },
{ GTK_CSS_PROPERTY_FONT_SIZE, "12px", "16px", 0.25, "13px" },
{ GTK_CSS_PROPERTY_FONT_SIZE, "10px", "10pt", 0.5, "11.66666667px" },
{ GTK_CSS_PROPERTY_FONT_FAMILY, "cantarell", "sans", 0, "cantarell"},
{ GTK_CSS_PROPERTY_FONT_FAMILY, "cantarell", "sans", 1, "sans" },
{ GTK_CSS_PROPERTY_FONT_FAMILY, "cantarell", "sans", 0.5, NULL },
{ GTK_CSS_PROPERTY_BACKGROUND_POSITION, "20px 10px", "40px", 0.5, "30px calc(5px + 25%)" },
{ GTK_CSS_PROPERTY_BACKGROUND_POSITION, "left, right, 50% 80%",
"right, right, 100%",
0.5,
"50%, 100%, 75% 65%" },
//TODO We don't currently transition border-image-width
//{ GTK_CSS_PROPERTY_BORDER_IMAGE_WIDTH, "10px 20px", "0px", 0.5, "5px 10px 0.5px 0.5px" },
{ GTK_CSS_PROPERTY_FILTER, "none", "blur(6px)", 0.5, "blur(3px)" },
{ GTK_CSS_PROPERTY_FILTER, "none", "blur(6px),contrast(0.6)", 0.5, "blur(3px),contrast(0.3)" },
{ GTK_CSS_PROPERTY_FILTER, "contrast(0.6)", "blur(6px)", 0.5, NULL},
{ GTK_CSS_PROPERTY_FILTER, "blur(3px) brightness(60) contrast(0.6) grayscale(60) hue-rotate(calc(5deg + 5deg)) invert(10) opacity(60) saturate(60) sepia(10) drop-shadow(3em 10px 10px red)",
"blur(5px) brightness(80) contrast(0.8) grayscale(80) hue-rotate(30deg) invert(30) opacity(80) saturate(80) sepia(30) drop-shadow(5em 30px 30px red)",
0.5,
"blur(4px) brightness(70) contrast(0.7) grayscale(70) hue-rotate(20deg) invert(20) opacity(70) saturate(70) sepia(20) drop-shadow(4em 20px 20px red)" },
{ GTK_CSS_PROPERTY_FILTER, "brightness(100)",
"brightness(100) contrast(0.5) grayscale(20) hue-rotate(100deg) invert(100) opacity(0.5) saturate(0.5) sepia(0.5) blur(10px) drop-shadow(2px 2px 2px red)",
0.5,
"brightness(100) contrast(0.75) grayscale(10) hue-rotate(50deg) invert(50) opacity(0.75) saturate(0.75) sepia(0.25) blur(5px) drop-shadow(1px 1px 1px red)" },
{ GTK_CSS_PROPERTY_FONT_FEATURE_SETTINGS, "\"dlig\" 0, \"clig\" off, \"c2sc\" 1",
"\"dlig\" 1, \"clig\" 0",
0.3,
"\"dlig\" 0, \"clig\" 0, \"c2sc\" 1" },
{ GTK_CSS_PROPERTY_FONT_FEATURE_SETTINGS, "\"dlig\" 0, \"clig\" off, \"c2sc\" 1",
"\"dlig\" 1, \"clig\" 0",
0.6,
"\"dlig\" 1, \"clig\" 0, \"c2sc\" 1" },
{ GTK_CSS_PROPERTY_FONT_VARIATION_SETTINGS, "\"wght\" 100, \"wdth\" 75",
"\"wght\" 400, \"slnt\" 10",
0.5,
"\"wght\" 250, \"wdth\" 75, \"slnt\" 10" },
{ GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS, "0", "10px", 0.5, "5px" },
{ GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS, "2px", "10px", 0.5, "6px" },
{ GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS, "2px 10px", "10px", 0.5, "6px 10px" },
{ GTK_CSS_PROPERTY_TRANSFORM, "translate(1px,2px) rotate(10deg) scale(1,1) skew(10deg,10deg) skewX(10deg) skewY(10deg)",
"translate(3px,4px) rotate(50deg) scale(5,7) skew(20deg,30deg) skewX(20deg) skewY(30deg)",
0.5,
"translate(2px,3px) rotate(30deg) scale(3,4) skew(15deg,20deg) skewX(15deg) skewY(20deg)" },
{ GTK_CSS_PROPERTY_TRANSFORM, "translate(1px,2px)",
"translate(3px,4px) rotate(50deg) scale(5,7) skew(20deg,30deg) skewX(20deg) skewY(30deg)",
0.5,
"translate(2px,3px) rotate(25deg) scale(3,4) skew(10deg,15deg) skewX(10deg) skewY(15deg)" },
{ GTK_CSS_PROPERTY_TRANSFORM, "translate(2px,3px)", "none", 0.5, "translate(1px,1.5px)" },
{ GTK_CSS_PROPERTY_LINE_HEIGHT, "1.0", "2.0", 0.5, "1.5" },
{ GTK_CSS_PROPERTY_LINE_HEIGHT, "10px", "20px", 0.5, "15px" },
{ GTK_CSS_PROPERTY_LINE_HEIGHT, "100%", "200%", 0.5, "150%" },
{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "25% 100px", "75% 200px", 0.5, "50% 150px" },
{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "cover", "cover", 0.3, "cover" },
{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "contain", "contain", 0.6, "contain" },
{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "cover", "contain", 0, "cover" },
{ GTK_CSS_PROPERTY_BACKGROUND_SIZE, "cover", "contain", 1, "contain" },
{ GTK_CSS_PROPERTY_ICON_PALETTE, "error rgb(200,0,0), warning rgb(100,100,0), test rgb(20,30,40)",
"warning rgb(200,0,0), error rgb(100,100,0), test rgb(30,40,50)",
0.5,
"error rgb(150,50,0), test rgb(25,35,45), warning rgb(150,50,0)" },
};
static void
error_cb (GtkCssParser *parser,
const GtkCssLocation *start,
const GtkCssLocation *end,
const GError *error,
gpointer user_data)
{
*(GError **)user_data = g_error_copy (error);
}
static GtkCssValue *
value_from_string (GtkStyleProperty *prop,
const char *str)
{
GBytes *bytes;
GtkCssParser *parser;
GtkCssValue *value;
GError *error = NULL;
bytes = g_bytes_new_static (str, strlen (str));
parser = gtk_css_parser_new_for_bytes (bytes, NULL, error_cb, &error, NULL);
value = _gtk_style_property_parse_value (prop, parser);
g_assert_no_error (error);
gtk_css_parser_unref (parser);
g_bytes_unref (bytes);
return value;
}
static void
test_transition (gconstpointer data)
{
ValueTransitionTest *test = &tests[GPOINTER_TO_INT (data)];
GtkStyleProperty *prop;
GtkCssValue *value1;
GtkCssValue *value2;
GtkCssValue *value3;
GtkCssValue *computed1;
GtkCssValue *computed2;
GtkCssValue *computed3;
GtkCssValue *result;
GtkStyleProvider *provider;
GtkCssStyle *style;
provider = GTK_STYLE_PROVIDER (gtk_settings_get_default ());
style = gtk_css_static_style_get_default ();
prop = (GtkStyleProperty *)_gtk_css_style_property_lookup_by_id (test->prop);
value1 = value_from_string (prop, test->value1);
g_assert_nonnull (value1);
computed1 = _gtk_css_value_compute (value1, test->prop, provider, style, NULL);
value2 = value_from_string (prop, test->value2);
g_assert_nonnull (value2);
computed2 = _gtk_css_value_compute (value2, test->prop, provider, style, NULL);
if (test->value3)
{
value3 = value_from_string (prop, test->value3);
computed3 = _gtk_css_value_compute (value3, test->prop, provider, style, NULL);
}
else
{
value3 = computed3 = NULL;
}
result = _gtk_css_value_transition (computed1, computed2, test->prop, test->progress);
assert_css_value (test->prop, result, computed3);
gtk_css_value_unref (value1);
gtk_css_value_unref (value2);
if (value3)
gtk_css_value_unref (value3);
gtk_css_value_unref (computed1);
gtk_css_value_unref (computed2);
if (computed3)
gtk_css_value_unref (computed3);
gtk_css_value_unref (result);
}
int
main (int argc, char **argv)
{
GtkStyleProperty *previous;
int j;
gtk_test_init (&argc, &argv);
previous = NULL;
j = 0;
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
ValueTransitionTest *test = &tests[i];
GtkStyleProperty *prop;
char *path;
prop = (GtkStyleProperty *)_gtk_css_style_property_lookup_by_id (test->prop);
if (prop != previous)
{
previous = prop;
j = 0;
}
else
j++;
path = g_strdup_printf ("/css/value/transition/%s/%d", _gtk_style_property_get_name ((GtkStyleProperty *)prop), j);
g_test_add_data_func (path, GINT_TO_POINTER (i), test_transition);
g_free (path);
}
return g_test_run ();
}
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