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// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
library declaration_test;
import 'package:csslib/src/messages.dart';
import 'package:csslib/visitor.dart';
import 'package:test/test.dart';
import 'testing.dart';
void expectCss(String css, String expected) {
var errors = <Message>[];
var styleSheet = parseCss(css, errors: errors, opts: simpleOptions);
expect(styleSheet, isNotNull);
expect(errors, isEmpty);
expect(prettyPrint(styleSheet), expected);
}
void testSimpleTerms() {
var errors = <Message>[];
final input = r'''
@ import url("test.css");
.foo {
background-color: #191919;
content: "u+0041";
width: 10PX;
height: 22mM !important;
border-width: 20cm;
margin-width: 33%;
border-height: 30EM;
width: .6in;
length: 1.2in;
-web-stuff: -10Px;
}''';
final generated = r'''
@import "test.css";
.foo {
background-color: #191919;
content: "u+0041";
width: 10px;
height: 22mm !important;
border-width: 20cm;
margin-width: 33%;
border-height: 30em;
width: .6in;
length: 1.2in;
-web-stuff: -10px;
}''';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
final input2 = r'''
* {
border-color: green;
}''';
final generated2 = r'''
* {
border-color: #008000;
}''';
stylesheet = parseCss(input2, errors: errors..clear());
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated2);
// Regression test to ensure invalid percentages don't throw an exception and
// instead print a useful error message when not in checked mode.
var css = '''
.foo {
width: Infinity%;
}''';
stylesheet = parseCss(css, errors: errors..clear(), opts: simpleOptions);
expect(errors, isNotEmpty);
expect(errors.first.message, 'expected }, but found %');
expect(errors.first.span!.text, '%');
}
/// Declarations with comments, references with single-quotes, double-quotes,
/// no quotes. Hex values with # and letters, and functions (rgba, url, etc.)
void testDeclarations() {
var errors = <Message>[];
final input = r'''
.more {
color: white;
color: black;
color: cyan;
color: red;
color: #aabbcc; /* test -- 3 */
color: blue;
background-image: url(http://test.jpeg);
background-image: url("http://double_quote.html");
background-image: url('http://single_quote.html');
color: rgba(10,20,255); <!-- test CDO/CDC -->
color: #123aef; /* hex # part integer and part identifier */
}''';
final generated = r'''
.more {
color: #fff;
color: #000;
color: #0ff;
color: #f00;
color: #abc;
color: #00f;
background-image: url("http://test.jpeg");
background-image: url("http://double_quote.html");
background-image: url("http://single_quote.html");
color: rgba(10, 20, 255);
color: #123aef;
}''';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testIdentifiers() {
var errors = <Message>[];
final input = r'''
#da {
height: 100px;
}
#foo {
width: 10px;
color: #ff00cc;
}
''';
final generated = r'''
#da {
height: 100px;
}
#foo {
width: 10px;
color: #f0c;
}''';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testComposites() {
var errors = <Message>[];
final input = r'''
.xyzzy {
border: 10px 80px 90px 100px;
width: 99%;
}
@-webkit-keyframes pulsate {
0% {
-webkit-transform: translate3d(0, 0, 0) scale(1.0);
}
}''';
final generated = r'''
.xyzzy {
border: 10px 80px 90px 100px;
width: 99%;
}
@-webkit-keyframes pulsate {
0% {
-webkit-transform: translate3d(0, 0, 0) scale(1.0);
}
}''';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testUnits() {
var errors = <Message>[];
final input = r'''
#id-1 {
transition: color 0.4s;
animation-duration: 500ms;
top: 1em;
left: 200ex;
right: 300px;
bottom: 400cm;
border-width: 2.5mm;
margin-top: -.5in;
margin-left: +5pc;
margin-right: 5ex;
margin-bottom: 5ch;
font-size: 10pt;
padding-top: 22rem;
padding-left: 33vw;
padding-right: 34vh;
padding-bottom: 3vmin;
transform: rotate(20deg);
voice-pitch: 10hz;
}
#id-2 {
left: 2fr;
font-size: 10vmax;
transform: rotatex(20rad);
voice-pitch: 10khz;
-web-kit-resolution: 2dpi; /* Bogus property name testing dpi unit. */
}
#id-3 {
-web-kit-resolution: 3dpcm; /* Bogus property name testing dpi unit. */
transform: rotatey(20grad);
}
#id-4 {
-web-kit-resolution: 4dppx; /* Bogus property name testing dpi unit. */
transform: rotatez(20turn);
}
''';
final generated = r'''
#id-1 {
transition: color 0.4s;
animation-duration: 500ms;
top: 1em;
left: 200ex;
right: 300px;
bottom: 400cm;
border-width: 2.5mm;
margin-top: -.5in;
margin-left: +5pc;
margin-right: 5ex;
margin-bottom: 5ch;
font-size: 10pt;
padding-top: 22rem;
padding-left: 33vw;
padding-right: 34vh;
padding-bottom: 3vmin;
transform: rotate(20deg);
voice-pitch: 10hz;
}
#id-2 {
left: 2fr;
font-size: 10vmax;
transform: rotatex(20rad);
voice-pitch: 10khz;
-web-kit-resolution: 2dpi;
}
#id-3 {
-web-kit-resolution: 3dpcm;
transform: rotatey(20grad);
}
#id-4 {
-web-kit-resolution: 4dppx;
transform: rotatez(20turn);
}''';
var stylesheet = parseCss(input, errors: errors, opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testUnicode() {
var errors = <Message>[];
final input = r'''
.toggle:after {
content: '✔';
line-height: 43px;
font-size: 20px;
color: #d9d9d9;
text-shadow: 0 -1px 0 #bfbfbf;
}
''';
final generated = r'''
.toggle:after {
content: '✔';
line-height: 43px;
font-size: 20px;
color: #d9d9d9;
text-shadow: 0 -1px 0 #bfbfbf;
}''';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testNewerCss() {
var errors = <Message>[];
final input = r'''
@media screen,print {
.foobar_screen {
width: 10px;
}
}
@page {
height: 22px;
size: 3in 3in;
}
@page : left {
width: 10px;
}
@page bar : left { @top-left { margin: 8px; } }
@page { @top-left { margin: 8px; } width: 10px; }
@charset "ISO-8859-1";
@charset 'ASCII';''';
final generated = r'''
@media screen, print {
.foobar_screen {
width: 10px;
}
}
@page {
height: 22px;
size: 3in 3in;
}
@page:left {
width: 10px;
}
@page bar:left {
@top-left {
margin: 8px;
}
}
@page {
@top-left {
margin: 8px;
}
width: 10px;
}
@charset "ISO-8859-1";
@charset "ASCII";''';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testMediaQueries() {
var errors = <Message>[];
var input = '''
@media screen and (-webkit-min-device-pixel-ratio:0) {
.todo-item .toggle {
background: none;
}
#todo-item .toggle {
height: 40px;
}
}''';
var generated = '''
@media screen AND (-webkit-min-device-pixel-ratio:0) {
.todo-item .toggle {
background: none;
}
#todo-item .toggle {
height: 40px;
}
}''';
var stylesheet = parseCss(input, errors: errors, opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
input = '''
@media handheld and (min-width: 20em),
screen and (min-width: 20em) {
#id { color: red; }
.myclass { height: 20px; }
}
@media print and (min-resolution: 300dpi) {
#anotherId {
color: #fff;
}
}
@media print and (min-resolution: 280dpcm) {
#finalId {
color: #aaa;
}
.class2 {
border: 20px;
}
}''';
generated =
'''@media handheld AND (min-width:20em), screen AND (min-width:20em) {
#id {
color: #f00;
}
.myclass {
height: 20px;
}
}
@media print AND (min-resolution:300dpi) {
#anotherId {
color: #fff;
}
}
@media print AND (min-resolution:280dpcm) {
#finalId {
color: #aaa;
}
.class2 {
border: 20px;
}
}''';
stylesheet = parseCss(input, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
input = '''
@media only screen and (min-device-width: 4000px) and
(min-device-height: 2000px), screen AND (another: 100px) {
html {
font-size: 10em;
}
}''';
generated = '@media ONLY screen AND (min-device-width:4000px) '
'AND (min-device-height:2000px), screen AND (another:100px) {\n'
'html {\n font-size: 10em;\n}\n}';
stylesheet = parseCss(input, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
input = '''
@media screen,print AND (min-device-width: 4000px) and
(min-device-height: 2000px), screen AND (another: 100px) {
html {
font-size: 10em;
}
}''';
generated = '@media screen, print AND (min-device-width:4000px) AND '
'(min-device-height:2000px), screen AND (another:100px) {\n'
'html {\n font-size: 10em;\n}\n}';
stylesheet = parseCss(input, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
input = '''
@import "test.css" ONLY screen, NOT print AND (min-device-width: 4000px);''';
generated = '@import "test.css" ONLY screen, '
'NOT print AND (min-device-width:4000px);';
stylesheet = parseCss(input, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
var css = '@media (min-device-width:400px) {\n}';
expectCss(css, css);
css = '@media all AND (tranform-3d), (-webkit-transform-3d) {\n}';
expectCss(css, css);
// Test that AND operator is required between media type and expressions.
css = '@media screen (min-device-width:400px';
stylesheet = parseCss(css, errors: errors..clear(), opts: simpleOptions);
expect(errors, isNotEmpty);
expect(
errors.first.message, contains('expected { after media before ruleset'));
expect(errors.first.span!.text, '(');
// Test nested at-rules.
input = '''
@media (min-width: 840px) {
.cell {
width: calc(33% - 16px);
}
@supports (display: grid) {
.cell {
grid-column-end: span 4;
}
}
}''';
generated = '''@media (min-width:840px) {
.cell {
width: calc(33% - 16px);
}
@supports (display: grid) {
.cell {
grid-column-end: span 4;
}
}
}''';
expectCss(input, generated);
}
void testMozDocument() {
var errors = <Message>[];
// Test empty url-prefix, commonly used for browser detection.
var css = '''
@-moz-document url-prefix() {
div {
color: #000;
}
}''';
var expected = '''@-moz-document url-prefix() {
div {
color: #000;
}
}''';
var styleSheet = parseCss(css, errors: errors);
expect(styleSheet, isNotNull);
expect(errors, isEmpty);
expect(prettyPrint(styleSheet), expected);
// Test url-prefix with unquoted parameter
css = '''
@-moz-document url-prefix(http://www.w3.org/Style/) {
div {
color: #000;
}
}''';
expected = '''@-moz-document url-prefix("http://www.w3.org/Style/") {
div {
color: #000;
}
}''';
styleSheet = parseCss(css, errors: errors);
expect(styleSheet, isNotNull);
expect(errors, isEmpty);
expect(prettyPrint(styleSheet), expected);
// Test domain with unquoted parameter
css = '''
@-moz-document domain(google.com) {
div {
color: #000;
}
}''';
expected = '''@-moz-document domain("google.com") {
div {
color: #000;
}
}''';
styleSheet = parseCss(css, errors: errors);
expect(styleSheet, isNotNull);
expect(errors, isEmpty);
expect(prettyPrint(styleSheet), expected);
// Test all document functions combined.
css = '@-moz-document '
'url(http://www.w3.org/), '
"url-prefix('http://www.w3.org/Style/'), "
'domain("google.com"), '
'regexp("https:.*") { div { color: #000; } }';
expected = '@-moz-document '
'url("http://www.w3.org/"), '
'url-prefix("http://www.w3.org/Style/"), '
'domain("google.com"), '
'regexp("https:.*") {\ndiv {\n color: #000;\n}\n}';
styleSheet = parseCss(css, errors: errors);
expect(styleSheet, isNotNull);
expect(errors, isEmpty);
expect(prettyPrint(styleSheet), expected);
}
void testSupports() {
// Test single declaration condition.
var css = '''
@supports (-webkit-appearance: none) {
div {
-webkit-appearance: none;
}
}''';
var expected = '''@supports (-webkit-appearance: none) {
div {
-webkit-appearance: none;
}
}''';
expectCss(css, expected);
// Test negation.
css = '''
@supports not ( display: flex ) {
body { width: 100%; }
}''';
expected = '''@supports not (display: flex) {
body {
width: 100%;
}
}''';
expectCss(css, expected);
// Test clause with multiple conditions.
css = '''
@supports (box-shadow: 0 0 2px black inset) or
(-moz-box-shadow: 0 0 2px black inset) or
(-webkit-box-shadow: 0 0 2px black inset) or
(-o-box-shadow: 0 0 2px black inset) {
.box {
box-shadow: 0 0 2px black inset;
}
}''';
expected = '@supports (box-shadow: 0 0 2px #000 inset) or '
'(-moz-box-shadow: 0 0 2px #000 inset) or '
'(-webkit-box-shadow: 0 0 2px #000 inset) or '
'(-o-box-shadow: 0 0 2px #000 inset) {\n'
'.box {\n'
' box-shadow: 0 0 2px #000 inset;\n'
'}\n'
'}';
expectCss(css, expected);
// Test conjunction and disjunction together.
css = '''
@supports ((transition-property: color) or (animation-name: foo)) and
(transform: rotate(10deg)) {
div {
transition-property: color;
transform: rotate(10deg);
}
}''';
expected = '@supports '
'((transition-property: color) or (animation-name: foo)) and '
'(transform: rotate(10deg)) {\n'
'div {\n'
' transition-property: color;\n'
' transform: rotate(10deg);\n'
'}\n'
'}';
expectCss(css, expected);
// Test that operators can't be mixed without parentheses.
css = '@supports (a: 1) and (b: 2) or (c: 3) {}';
var errors = <Message>[];
var styleSheet = parseCss(css, errors: errors, opts: simpleOptions);
expect(styleSheet, isNotNull);
expect(errors, isNotEmpty);
expect(errors.first.message,
"Operators can't be mixed without a layer of parentheses");
expect(errors.first.span!.text, 'or');
}
void testViewport() {
// No declarations.
var css = '@viewport {\n}';
expectCss(css, css);
// All declarations.
css = '''
@viewport {
min-width: auto;
max-width: 800px;
width: 400px;
min-height: 50%;
max-height: 200px;
height: 100px 200px;
zoom: auto;
min-zoom: 0.75;
max-zoom: 40%;
user-zoom: fixed;
orientation: landscape;
}''';
expectCss(css, css);
// Vendor specific.
css = '''
@-ms-viewport {
width: device-width;
}''';
expectCss(css, css);
}
void testFontFace() {
var errors = <Message>[];
final input = '''
@font-face {
font-family: BBCBengali;
src: url(fonts/BBCBengali.ttf) format("opentype");
unicode-range: U+0A-FF, U+980-9FF, U+????, U+3???;
}''';
final generated = '''@font-face {
font-family: BBCBengali;
src: url("fonts/BBCBengali.ttf") format("opentype");
unicode-range: U+0A-FF, U+980-9FF, U+????, U+3???;
}''';
var stylesheet = parseCss(input, errors: errors, opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
final input1 = '''
@font-face {
font-family: Gentium;
src: url(http://example.com/fonts/Gentium.ttf);
src: url(http://example.com/fonts/Gentium.ttf);
}''';
final generated1 = '''@font-face {
font-family: Gentium;
src: url("http://example.com/fonts/Gentium.ttf");
src: url("http://example.com/fonts/Gentium.ttf");
}''';
stylesheet = parseCss(input1, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated1);
final input2 = '''
@font-face {
src: url(ideal-sans-serif.woff) format("woff"),
url(basic-sans-serif.ttf) format("opentype"),
local(Gentium Bold);
}''';
final generated2 = '@font-face {\n'
' src: url("ideal-sans-serif.woff") '
'format("woff"), url("basic-sans-serif.ttf") '
'format("opentype"), local(Gentium Bold);\n}';
stylesheet = parseCss(input2, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated2);
final input3 = '''@font-face {
font-family: MyGentium Text Ornaments;
src: local(Gentium Bold), /* full font name */
local(Gentium-Bold), /* Postscript name */
url(GentiumBold.ttf); /* otherwise, download it */
font-weight: bold;
}''';
final generated3 = '''@font-face {
font-family: MyGentium Text Ornaments;
src: local(Gentium Bold), local(Gentium-Bold), url("GentiumBold.ttf");
font-weight: bold;
}''';
stylesheet = parseCss(input3, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated3);
final input4 = '''
@font-face {
font-family: STIXGeneral;
src: local(STIXGeneral), url(/stixfonts/STIXGeneral.otf);
unicode-range: U+000-49F, U+2000-27FF, U+2900-2BFF, U+1D400-1D7FF;
}''';
final generated4 = '''@font-face {
font-family: STIXGeneral;
src: local(STIXGeneral), url("/stixfonts/STIXGeneral.otf");
unicode-range: U+000-49F, U+2000-27FF, U+2900-2BFF, U+1D400-1D7FF;
}''';
stylesheet = parseCss(input4, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated4);
}
void testCssFile() {
var errors = <Message>[];
final input = r'''
@import 'simple.css'
@import "test.css" print
@import url(test.css) screen, print
@import url(http://google.com/maps/maps.css);
div[href^='test'] {
height: 10px;
}
@-webkit-keyframes pulsate {
from {
-webkit-transform: translate3d(0, 0, 0) scale(1.0);
}
10% {
-webkit-transform: translate3d(0, 0, 0) scale(1.0);
}
30% {
-webkit-transform: translate3d(0, 2, 0) scale(1.0);
}
}
.foobar {
grid-columns: 10px ("content" 1fr 10px)[4];
}
.test-background {
background: url(http://www.foo.com/bar.png);
}
.test-background-with-multiple-properties {
background: #000 url(http://www.foo.com/bar.png);
}
''';
final generated = '@import "simple.css"; '
'@import "test.css" print; '
'@import "test.css" screen, print; '
'@import "http://google.com/maps/maps.css";\n'
'div[href^="test"] {\n'
' height: 10px;\n'
'}\n'
'@-webkit-keyframes pulsate {\n'
' from {\n'
' -webkit-transform: translate3d(0, 0, 0) scale(1.0);\n'
' }\n'
' 10% {\n'
' -webkit-transform: translate3d(0, 0, 0) scale(1.0);\n'
' }\n'
' 30% {\n'
' -webkit-transform: translate3d(0, 2, 0) scale(1.0);\n'
' }\n'
'}\n'
'.foobar {\n'
' grid-columns: 10px ("content" 1fr 10px) [4];\n'
'}\n'
'.test-background {\n'
' background: url("http://www.foo.com/bar.png");\n'
'}\n'
'.test-background-with-multiple-properties {\n'
' background: #000 url("http://www.foo.com/bar.png");\n'
'}';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testCompactEmitter() {
var errors = <Message>[];
// Check !import compactly emitted.
final input = r'''
div {
color: green !important;
background: red blue green;
}
.foo p[bar] {
color: blue;
}
@page {
@top-left {
color: red;
}
}
@page : first{}
@page foo : first {}
@media screen AND (max-width: 800px) {
div {
font-size: 24px;
}
}
@keyframes foo {
0% {
transform: scaleX(0);
}
}
div {
color: rgba(0, 0, 0, 0.2);
}
''';
final generated = 'div{color:green!important;background:red blue green}'
'.foo p[bar]{color:blue}'
'@page{@top-left{color:red}}'
'@page:first{}'
'@page foo:first{}'
'@media screen AND (max-width:800px){div{font-size:24px}}'
'@keyframes foo{0%{transform:scaleX(0)}}'
'div{color:rgba(0,0,0,0.2)}';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(compactOutput(stylesheet), generated);
// Check namespace directive compactly emitted.
final input2 = '@namespace a url(http://www.example.org/a);';
final generated2 = '@namespace a url(http://www.example.org/a);';
var stylesheet2 = parseCss(input2, errors: errors..clear());
expect(errors.isEmpty, true, reason: errors.toString());
expect(compactOutput(stylesheet2), generated2);
}
void testNotSelectors() {
var errors = <Message>[];
final input = r'''
.details:not(.open-details) x-element,
.details:not(.open-details) .summary {
overflow: hidden;
}
.details:not(.open-details) x-icon {
margin-left: 99px;
}
.kind-class .details:not(.open-details) x-icon {
margin-left: 0px;
}
.name {
margin-left: 0px;
}
.details:not(.open-details) .the-class {
width: 80px;
}
*:focus
{
outline: none;
}
body > h2:not(:first-of-type):not(:last-of-type) {
color: red;
}
.details-1:not([DISABLED]) {
outline: none;
}
html|*:not(:link):not(:visited) {
width: 92%;
}
*|*:not(*) {
font-weight: bold;
}
*:not(:not([disabled])) { color: blue; }
''';
final generated = r'''
.details:not(.open-details) x-element, .details:not(.open-details) .summary {
overflow: hidden;
}
.details:not(.open-details) x-icon {
margin-left: 99px;
}
.kind-class .details:not(.open-details) x-icon {
margin-left: 0px;
}
.name {
margin-left: 0px;
}
.details:not(.open-details) .the-class {
width: 80px;
}
*:focus {
outline: none;
}
body > h2:not(:first-of-type):not(:last-of-type) {
color: #f00;
}
.details-1:not([DISABLED]) {
outline: none;
}
html|*:not(:link):not(:visited) {
width: 92%;
}
*|*:not(*) {
font-weight: bold;
}
*:not(:not([disabled])) {
color: #00f;
}''';
var stylesheet = parseCss(input, errors: errors, opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testIE() {
var errors = <Message>[];
final input = '.test {\n'
' filter: progid:DXImageTransform.Microsoft.gradient'
"(GradientType=0,StartColorStr='#9d8b83', EndColorStr='#847670');\n"
'}';
final generated = '.test {\n'
' filter: progid:DXImageTransform.Microsoft.gradient'
"(GradientType=0,StartColorStr='#9d8b83', EndColorStr='#847670');\n"
'}';
var stylesheet = parseCss(input, errors: errors, opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
final input2 = '.test {\n'
' filter: progid:DXImageTransform.Microsoft.gradient'
"(GradientType=0,StartColorStr='#9d8b83', EndColorStr='#847670')\n"
' progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1);\n'
'}';
final generated2 = '.test {\n'
' filter: progid:DXImageTransform.Microsoft.gradient'
"(GradientType=0,StartColorStr='#9d8b83', EndColorStr='#847670')\n"
' progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1);\n'
'}';
stylesheet = parseCss(input2, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated2);
final input3 = '''
div {
filter: alpha(opacity=80); /* IE7 and under */
-ms-filter: "Alpha(Opacity=40)"; /* IE8 and newer */
Filter: Blur(Add = 0, Direction = 225, Strength = 10);
Filter: FlipV;
Filter: Gray;
FILTER: Chroma(Color = #000000) Mask(Color=#00FF00);
Filter: Alpha(Opacity=100, FinishOpacity=0, Style=2, StartX=20, StartY=40,
FinishX=0, FinishY=0) Wave(Add=0, Freq=5, LightStrength=20,
Phase=220, Strength=10);
}
''';
final generated3 = 'div {\n filter: alpha(opacity=80);\n'
' -ms-filter: "Alpha(Opacity=40)";\n'
' Filter: Blur(Add = 0, Direction = 225, Strength = 10);\n'
' Filter: FlipV;\n Filter: Gray;\n'
' FILTER: Chroma(Color = #000000) Mask(Color=#00FF00);\n'
' Filter: Alpha(Opacity=100, FinishOpacity=0, Style=2, '
'StartX=20, StartY=40,\n'
' FinishX=0, FinishY=0) Wave(Add=0, Freq=5, LightStrength=20,\n'
' Phase=220, Strength=10);\n}';
stylesheet = parseCss(input3, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated3);
final input4 = '''
div {
filter: FlipH;
}''';
stylesheet = parseCss(input4, errors: errors..clear(), opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), input4);
}
/// Test IE specific declaration syntax:
/// IE6 property name prefixed with _ (normal CSS property name can start
/// with an underscore).
///
/// IE7 or below property add asterisk before the CSS property.
///
/// IE8 or below add \9 at end of declaration expression e.g.,
/// background: red\9;
void testIEDeclaration() {
var errors = <Message>[];
final input = '''
.testIE-6 {
_zoom : 5;
}
.clearfix {
*zoom: 1;
}
audio, video {
display: inline-block;
*display: inline;
*zoom: 1;
}
input {
*overflow: visible;
line-height: normal;
}
.uneditable-input:focus {
border-color: rgba(82, 168, 236, 0.8);
outline: 0;
outline: thin dotted \\9; /* IE6-9 */
}
input[type="radio"], input[type="checkbox"] {
margin-top: 1px \\9;
*margin-top: 0;
}
input.search-query {
padding-right: 14px;
padding-right: 4px \\9;
padding-left: 14px;
padding-left: 4px \\9; /* IE7-8 no border-radius, don't indent padding. */
}
.btn.active {
background-color: #cccccc \\9;
}
@-webkit-keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}
@-moz-keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}
@-ms-keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}
@-o-keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}
@keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}''';
final generated = '''.testIE-6 {
_zoom: 5;
}
.clearfix {
*zoom: 1;
}
audio, video {
display: inline-block;
*display: inline;
*zoom: 1;
}
input {
*overflow: visible;
line-height: normal;
}
.uneditable-input:focus {
border-color: rgba(82, 168, 236, 0.8);
outline: 0;
outline: thin dotted \\9;
}
input[type="radio"], input[type="checkbox"] {
margin-top: 1px \\9;
*margin-top: 0;
}
input.search-query {
padding-right: 14px;
padding-right: 4px \\9;
padding-left: 14px;
padding-left: 4px \\9;
}
.btn.active {
background-color: #ccc \\9;
}
@-webkit-keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}
@-moz-keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}
@keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}
@-o-keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}
@keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
}''';
var stylesheet = parseCss(input, errors: errors, opts: simpleOptions);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void testHangs() {
var errors = <Message>[];
// Bad hexvalue had caused a hang in processTerm.
final input = r'''#a { color: #ebebeburl(0/IE8+9+); }''';
parseCss(input, errors: errors, opts: options);
expect(errors.length, 3, reason: errors.toString());
var errorMessage = errors[0];
expect(errorMessage.message, contains('Bad hex number'));
expect(errorMessage.span, isNotNull);
expect(errorMessage.span!.start.line, 0);
expect(errorMessage.span!.start.column, 12);
expect(errorMessage.span!.text, '#ebebeburl');
errorMessage = errors[1];
expect(errorMessage.message, contains('expected }, but found +'));
expect(errorMessage.span, isNotNull);
expect(errorMessage.span!.start.line, 0);
expect(errorMessage.span!.start.column, 30);
expect(errorMessage.span!.text, '+');
errorMessage = errors[2];
expect(errorMessage.message, contains('premature end of file unknown CSS'));
expect(errorMessage.span, isNotNull);
expect(errorMessage.span!.start.line, 0);
expect(errorMessage.span!.start.column, 31);
expect(errorMessage.span!.text, ')');
// Missing closing parenthesis for keyframes.
final input2 = r'''@-ms-keyframes progress-bar-stripes {
from {
background-position: 40px 0;
}
to {
background-position: 0 0;
}
''';
parseCss(input2, errors: errors..clear(), opts: options);
expect(errors.length, 1, reason: errors.toString());
errorMessage = errors[0];
expect(errorMessage.message, contains('unexpected end of file'));
expect(errorMessage.span, isNotNull);
expect(errorMessage.span!.start.line, 7);
expect(errorMessage.span!.start.column, 0);
expect(errorMessage.span!.text.trim(), '');
}
void testExpressionSpans() {
final input = r'''.foo { width: 50px; }''';
var stylesheet = parseCss(input);
var decl = (stylesheet.topLevels.single as RuleSet)
.declarationGroup
.declarations
.single;
// This passes
expect(decl.span!.text, 'width: 50px');
// This currently fails
expect((decl as Declaration).expression!.span!.text, '50px');
}
void testComments() {
final css = '''/* This comment has a nested HTML comment...
* <html>
* <!-- Nested HTML comment... -->
* <div></div>
* </html>
*/''';
expectCss(css, '');
}
void simpleCalc() {
final input = r'''.foo { height: calc(100% - 55px); }''';
var stylesheet = parseCss(input);
var decl = (stylesheet.topLevels.single as RuleSet)
.declarationGroup
.declarations
.single;
expect(decl.span!.text, 'height: calc(100% - 55px)');
}
void complexCalc() {
final input = r'''.foo { left: calc((100%/3 - 2) * 1em - 2 * 1px); }''';
var stylesheet = parseCss(input);
var decl = (stylesheet.topLevels.single as RuleSet)
.declarationGroup
.declarations
.single;
expect(decl.span!.text, 'left: calc((100%/3 - 2) * 1em - 2 * 1px)');
}
void twoCalcs() {
final input = r'''.foo { margin: calc(1rem - 2px) calc(1rem - 1px); }''';
var stylesheet = parseCss(input);
var decl = (stylesheet.topLevels.single as RuleSet)
.declarationGroup
.declarations
.single;
expect(decl.span!.text, 'margin: calc(1rem - 2px) calc(1rem - 1px)');
}
void selectorWithCalcs() {
var errors = <Message>[];
final input = r'''
.foo {
width: calc(1em + 5 * 2em);
height: calc(1px + 2%) !important;
border: 5px calc(1pt + 2cm) 6px calc(1em + 1in + 2px) red;
border: calc(5px + 1em) 0px 1px calc(10 + 20 + 1px);
margin: 25px calc(50px + (100% / (3 - 1em) - 20%)) calc(10px + 10 * 20) calc(100% - 10px);
}''';
final generated = r'''
.foo {
width: calc(1em + 5 * 2em);
height: calc(1px + 2%) !important;
border: 5px calc(1pt + 2cm) 6px calc(1em + 1in + 2px) #f00;
border: calc(5px + 1em) 0px 1px calc(10 + 20 + 1px);
margin: 25px calc(50px + (100% / (3 - 1em) - 20%)) calc(10px + 10 * 20) calc(100% - 10px);
}''';
var stylesheet = parseCss(input, errors: errors);
expect(errors.isEmpty, true, reason: errors.toString());
expect(prettyPrint(stylesheet), generated);
}
void vendorPrefixedCalc() {
var css = '''
.foo {
width: -webkit-calc((100% - 15px*1) / 1);
}''';
expectCss(css, css);
css = '''
.foo {
width: -moz-calc((100% - 15px*1) / 1);
}''';
expectCss(css, css);
}
void main() {
test('Simple Terms', testSimpleTerms);
test('Declarations', testDeclarations);
test('Identifiers', testIdentifiers);
test('Composites', testComposites);
test('Units', testUnits);
test('Unicode', testUnicode);
test('Newer CSS', testNewerCss);
test('Media Queries', testMediaQueries);
test('Document', testMozDocument);
test('Supports', testSupports);
test('Viewport', testViewport);
test('Font-Face', testFontFace);
test('CSS file', testCssFile);
test('Compact Emitter', testCompactEmitter);
test('Selector Negation', testNotSelectors);
test('IE stuff', testIE);
test('IE declaration syntax', testIEDeclaration);
test('Hanging bugs', testHangs);
test('Expression spans', testExpressionSpans,
skip: 'expression spans are broken'
' (https://github.com/dart-lang/csslib/issues/15)');
test('Comments', testComments);
group('calc function', () {
test('simple calc', simpleCalc);
test('single complex', complexCalc);
test('two calc terms for same declaration', twoCalcs);
test('selector with many calc declarations', selectorWithCalcs);
test('vendor prefixed calc', vendorPrefixedCalc);
});
}