Update charted to 0.4.8 and roll

packages/csslib/test/var_test.dart

 // Copyright (c) 2013, 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 var_test;
 
+import 'package:csslib/src/messages.dart';
 import 'package:test/test.dart';
 
 import 'testing.dart';
 
 compileAndValidate(String input, String generated) {
-  var errors = [];
+  var errors = <Message>[];
   var stylesheet = compileCss(input, errors: errors, opts: options);
   expect(stylesheet != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(stylesheet), generated);
 }
 
 compilePolyfillAndValidate(String input, String generated) {
-  var errors = [];
+  var errors = <Message>[];
   var stylesheet = polyFillCompileCss(input, errors: errors, opts: options);
   expect(stylesheet != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(stylesheet), generated);
 }
 
 void simpleVar() {
-  final input = ''':root {
+  final input = '''
+:root {
   var-color-background: red;
   var-color-foreground: blue;
 
   var-c: #00ff00;
   var-b: var(c);
   var-a: var(b);
 }
 .testIt {
   color: var(color-foreground);
   background: var(color-background);
 }
 ''';
 
-  final generated = ''':root {
+  final generated = '''
+:root {
   var-color-background: #f00;
   var-color-foreground: #00f;
   var-c: #0f0;
   var-b: var(c);
   var-a: var(b);
 }
 .testIt {
   color: var(color-foreground);
   background: var(color-background);
 }''';
 
-  final generatedPolyfill = ''':root {
+  final generatedPolyfill = '''
+:root {
 }
 .testIt {
   color: #00f;
   background: #f00;
 }''';
 
   compileAndValidate(input, generated);
   compilePolyfillAndValidate(input, generatedPolyfill);
 }
 
 void expressionsVar() {
-  final input = ''':root {
+  final input = '''
+:root {
   var-color-background: red;
   var-color-foreground: blue;
 
   var-c: #00ff00;
   var-b: var(c);
   var-a: var(b);
 
   var-image: url(test.png);
 
   var-b-width: 20cm;
@@ skipping 44 matching lines @@
   font-family: var(font-family);
   src: var(src-1);
   unicode-range: var(unicode-range-1);
 }
 
 .foobar {
     grid-columns: var(grid-columns);
 }
 ''';
 
-  final generated = ''':root {
+  final generated = '''
+:root {
   var-color-background: #f00;
   var-color-foreground: #00f;
   var-c: #0f0;
   var-b: var(c);
   var-a: var(b);
   var-image: url("test.png");
   var-b-width: 20cm;
   var-m-width: 33%;
   var-b-height: 30em;
   var-width: .6in;
@@ skipping 36 matching lines @@
   font-family: var(font-family);
   src: var(src-1);
   unicode-range: var(unicode-range-1);
 }
 .foobar {
   grid-columns: var(grid-columns);
 }''';
 
   compileAndValidate(input, generated);
 
-  var generatedPolyfill = r''':root {
+  var generatedPolyfill = r'''
+:root {
 }
 .testIt {
   color: #00f;
   background: #0f0;
   background-image: url("test.png");
   border-width: 20cm;
   margin-width: 33%;
   border-height: 30em;
   width: .6in;
   length: 1.2in;
@@ skipping 65 matching lines @@
 
 .test-5 {
   background: var(test-color, var(a)) var(image) no-repeat right top;
 }
 
 .test-6 {
   border: red var(a-1, solid 20px);
 }
 ''';
 
-  final generated = ''':root {
+  final generated = '''
+:root {
   var-color-background: #f00;
   var-color-foreground: #00f;
   var-a: var(b, #0a0);
   var-b: var(c, #0b0);
   var-c: #0f0;
   var-image: url("test.png");
   var-b-width: 20cm;
   var-m-width: 33%;
   var-b-height: 30em;
 }
@@ skipping 17 matching lines @@
 }
 .test-5 {
   background: var(test-color, var(a)) var(image) no-repeat right top;
 }
 .test-6 {
   border: #f00 var(a-1, solid 20px);
 }''';
 
   compileAndValidate(input, generated);
 
-  var generatedPolyfill = r''':root {
+  var generatedPolyfill = r'''
+:root {
 }
 .test {
   background-color: #ffa500;
 }
 body {
   background: #0a0 url("test.png") no-repeat right top;
 }
 div {
   background: #f00 url("img_tree.png") no-repeat right top;
 }
@@ skipping 10 matching lines @@
   background: #0a0 url("test.png") no-repeat right top;
 }
 .test-6 {
   border: #f00 solid 20px;
 }''';
 
   compilePolyfillAndValidate(input, generatedPolyfill);
 }
 
 void undefinedVars() {
-  final errors = [];
-  final input = ''':root {
+  final errors = <Message>[];
+  final input = '''
+:root {
   var-color-background: red;
   var-color-foreground: blue;
 
   var-a: var(b);
   var-b: var(c);
   var-c: #00ff00;
 
   var-one: var(two);
   var-two: var(one);
 
@@ skipping 12 matching lines @@
 }
 .test-1 {
   color: var(c);
 }
 .test-2 {
   color: var(one);
   background: var(six);
 }
 ''';
 
-  final generatedPolyfill = ''':root {
+  final generatedPolyfill = '''
+:root {
 }
 .testIt {
   color: #00f;
   background: #f00;
 }
 .test-1 {
   color: #0f0;
 }
 .test-2 {
   color: ;
@@ skipping 17 matching lines @@
         '  var-five: var(six);\n'
         '                ^^^^',
     'error on line 16, column 18: Variable is not defined.\n'
         '  var-def-1: var(def-2);\n'
         '                 ^^^^^^',
     'error on line 17, column 18: Variable is not defined.\n'
         '  var-def-2: var(def-3);\n'
         '                 ^^^^^^',
   ];
 
-  var generated = r''':root {
+  var generated = r'''
+:root {
   var-color-background: #f00;
   var-color-foreground: #00f;
   var-a: var(b);
   var-b: var(c);
   var-c: #0f0;
   var-one: var(two);
   var-two: var(one);
   var-four: var(five);
   var-five: var(six);
   var-six: var(four);
@@ skipping 17 matching lines @@
   compileAndValidate(input, generated);
 
   var stylesheet =
       polyFillCompileCss(input, errors: errors..clear(), opts: options);
 
   expect(stylesheet != null, true);
 
   expect(errors.length, errorStrings.length, reason: errors.toString());
   testBitMap = 0;
 
-  outer: for (var error in errors) {
+  outer:
+  for (var error in errors) {
     var errorString = error.toString();
     for (int i = 0; i < errorStrings.length; i++) {
       if (errorString == errorStrings[i]) {
         testBitMap |= 1 << i;
         continue outer;
       }
     }
     fail("Unexpected error string: $errorString");
   }
   expect(testBitMap, equals((1 << errorStrings.length) - 1));
   expect(prettyPrint(stylesheet), generatedPolyfill);
 }
 
 parserVar() {
-  final input = ''':root {
+  final input = '''
+:root {
   var-color-background: red;
   var-color-foreground: blue;
 
   var-c: #00ff00;
   var-b: var(c);
   var-a: var(b);
 
   var-image: url(test.png);
 
   var-b-width: 20cm;
@@ skipping 44 matching lines @@
   font-family: var(font-family);
   src: var(src-1);
   unicode-range: var(unicode-range-1);
 }
 
 .foobar {
     grid-columns: var(grid-columns);
 }
 ''';
 
-  final generated = ''':root {
+  final generated = '''
+:root {
   var-color-background: #f00;
   var-color-foreground: #00f;
   var-c: #0f0;
   var-b: var(c);
   var-a: var(b);
   var-image: url("test.png");
   var-b-width: 20cm;
   var-m-width: 33%;
   var-b-height: 30em;
   var-width: .6in;
@@ skipping 36 matching lines @@
   font-family: var(font-family);
   src: var(src-1);
   unicode-range: var(unicode-range-1);
 }
 .foobar {
   grid-columns: var(grid-columns);
 }''';
 
   compileAndValidate(input, generated);
 
-  var generatedPolyfill = r''':root {
+  var generatedPolyfill = r'''
+:root {
 }
 .testIt {
   color: #00f;
   background: #0f0;
   background-image: url("test.png");
   border-width: 20cm;
   margin-width: 33%;
   border-height: 30em;
   width: .6in;
   length: 1.2in;
@@ skipping 14 matching lines @@
   src: local(Gentium Bold), local(Gentium-Bold), url("GentiumBold.ttf");
   unicode-range: U+0A-FF, U+980-9FF, U+????, U+3???;
 }
 .foobar {
   grid-columns: 10px ("content" 1fr 10px) [4];
 }''';
   compilePolyfillAndValidate(input, generatedPolyfill);
 }
 
 testVar() {
-  final errors = [];
+  final errors = <Message>[];
   final input = '''
 @color-background: red;
 @color-foreground: blue;
 
 .test {
   background-color: var(color-background);
   color: var(color-foreground);
 }
 ''';
   final generated = '''
@@ skipping 15 matching lines @@
 
   final input2 = '''
 @color-background: red;
 @color-foreground: blue;
 
 .test {
   background-color: @color-background;
   color: @color-foreground;
 }
 ''';
-  final generated2 = '''var-color-background: #f00;
+  final generated2 = '''
+var-color-background: #f00;
 var-color-foreground: #00f;
 
 .test {
   background-color: var(color-background);
   color: var(color-foreground);
 }''';
 
   stylesheet = parseCss(input, errors: errors..clear(), opts: simpleOptions);
 
   expect(stylesheet != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(stylesheet), generated2);
 
   compileAndValidate(input2, generated2);
 }
 
 testLess() {
-  final errors = [];
+  final errors = <Message>[];
   final input = '''
 @color-background: red;
 @color-foreground: blue;
 
 .test {
   background-color: var(color-background);
   color: var(color-foreground);
 }
 ''';
-  final generated = '''var-color-background: #f00;
+  final generated = '''
+var-color-background: #f00;
 var-color-foreground: #00f;
 
 .test {
   background-color: var(color-background);
   color: var(color-foreground);
 }''';
 
   var stylesheet = parseCss(input, errors: errors, opts: simpleOptions);
 
   expect(stylesheet != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(stylesheet), generated);
 
   compileAndValidate(input, generated);
 
   final input2 = '''
 @color-background: red;
 @color-foreground: blue;
 
 .test {
   background-color: @color-background;
   color: @color-foreground;
 }
 ''';
-  final generated2 = '''var-color-background: #f00;
+  final generated2 = '''
+var-color-background: #f00;
 var-color-foreground: #00f;
 
 .test {
   background-color: var(color-background);
   color: var(color-foreground);
 }''';
 
   stylesheet = parseCss(input, errors: errors..clear(), opts: simpleOptions);
 
   expect(stylesheet != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(stylesheet), generated2);
 
   compileAndValidate(input2, generated2);
 }
 
 void polyfill() {
-  compilePolyfillAndValidate(r'''
+  compilePolyfillAndValidate(
+      r'''
 @color-background: red;
 @color-foreground: blue;
 .test {
   background-color: @color-background;
   color: @color-foreground;
-}''', r'''.test {
+}''',
+      r'''
+.test {
   background-color: #f00;
   color: #00f;
 }''');
 }
 
 void testIndirects() {
-  compilePolyfillAndValidate('''
+  compilePolyfillAndValidate(
+      '''
 :root {
   var-redef: #0f0;
 
   var-a1: #fff;
   var-a2: var(a1);
   var-a3: var(a2);
 
   var-redef: #000;
 }
 .test {
   background-color: @a1;
   color: @a2;
   border-color: @a3;
 }
 .test-1 {
   color: @redef;
-}''', r''':root {
+}''',
+      r'''
+:root {
 }
 .test {
   background-color: #fff;
   color: #fff;
   border-color: #fff;
 }
 .test-1 {
   color: #000;
 }''');
 }
 
 void includes() {
-  var errors = [];
+  var errors = <Message>[];
   var file1Input = r'''
 :root {
   var-redef: #0f0;
 
   var-a1: #fff;
   var-a2: var(a1);
   var-a3: var(a2);
 
   var-redef: #000;
 }
@@ skipping 23 matching lines @@
 :root {
   var-redef: #0c0;
 }
 .test-main {
   color: var(b3);
   background-color: var(redef);
   border-color: var(a3);
 }
 ''';
 
-  var generated1 = r''':root {
+  var generated1 = r'''
+:root {
   var-redef: #0f0;
   var-a1: #fff;
   var-a2: var(a1);
   var-a3: var(a2);
   var-redef: #000;
 }
 .test-1 {
   background-color: var(a1);
   color: var(a2);
   border-color: var(a3);
 }
 .test-1a {
   color: var(redef);
 }''';
 
   var stylesheet1 = compileCss(file1Input, errors: errors, opts: options);
   expect(stylesheet1 != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(stylesheet1), generated1);
 
-  var generated2 = r''':root {
+  var generated2 = r'''
+:root {
   var-redef: #0b0;
   var-b3: var(a3);
 }
 .test-2 {
   color: var(b3);
   background-color: var(redef);
   border-color: var(a3);
 }''';
 
   var stylesheet2 = compileCss(file2Input,
       includes: [stylesheet1], errors: errors..clear(), opts: options);
   expect(stylesheet2 != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(stylesheet2), generated2);
 
-  var generatedPolyfill1 = r''':root {
+  var generatedPolyfill1 = r'''
+:root {
 }
 .test-1 {
   background-color: #fff;
   color: #fff;
   border-color: #fff;
 }
 .test-1a {
   color: #000;
 }''';
   var styleSheet1Polyfill = compileCss(file1Input,
       errors: errors..clear(), polyfill: true, opts: options);
   expect(styleSheet1Polyfill != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(styleSheet1Polyfill), generatedPolyfill1);
 
-  var generatedPolyfill2 = r''':root {
+  var generatedPolyfill2 = r'''
+:root {
 }
 .test-2 {
   color: #fff;
   background-color: #0b0;
   border-color: #fff;
 }''';
   var styleSheet2Polyfill = compileCss(file2Input,
       includes: [stylesheet1],
       errors: errors..clear(),
       polyfill: true,
       opts: options);
   expect(styleSheet2Polyfill != null, true);
   expect(errors.isEmpty, true, reason: errors.toString());
   expect(prettyPrint(styleSheet2Polyfill), generatedPolyfill2);
 
   // Make sure includes didn't change.
   expect(prettyPrint(stylesheet1), generated1);
 
-  var generatedPolyfill = r''':root {
+  var generatedPolyfill = r'''
+:root {
 }
 .test-main {
   color: #fff;
   background-color: #0c0;
   border-color: #fff;
 }''';
   var stylesheetPolyfill = compileCss(input,
       includes: [stylesheet1, stylesheet2],
       errors: errors..clear(),
       polyfill: true,
@@ skipping 13 matching lines @@
   test('Expressions var', expressionsVar);
   test('Default value in var()', defaultVar);
   test('CSS Parser only var', parserVar);
   test('Var syntax', testVar);
   test('Indirects', testIndirects);
   test('Forward Refs', undefinedVars);
   test('Less syntax', testLess);
   test('Polyfill', polyfill);
   test('Multi-file', includes);
 }