Format all tests.

tests/html/canvasrenderingcontext2d_test.dart

 // 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 canvas_rendering_context_2d_test;
 
 import 'dart:html';
 import 'dart:math';
 
 import 'package:unittest/html_individual_config.dart';
@@ skipping 43 matching lines @@
   otherContext = null;
   video = null;
 }
 
 List<int> readPixel(int x, int y) {
   var imageData = context.getImageData(x, y, 1, 1);
   return imageData.data;
 }
 
 /// Returns true if the pixel has some data in it, false otherwise.
-bool isPixelFilled(int x, int y) => readPixel(x,y).any((p) => p != 0);
+bool isPixelFilled(int x, int y) => readPixel(x, y).any((p) => p != 0);
 
 String pixelDataToString(List<int> data, int x, int y) {
   return '[${data.join(", ")}]';
 }
 
 String _filled(bool v) => v ? "filled" : "unfilled";
 
 void expectPixelFilled(int x, int y, [bool filled = true]) {
-  expect(isPixelFilled(x, y), filled, reason:
-      'Pixel at ($x, $y) was expected to'
-      ' be: <${_filled(filled)}> but was: <${_filled(!filled)}> with data: '
-      '${pixelDataToString(readPixel(x, y), x, y)}');
+  expect(isPixelFilled(x, y), filled,
+      reason: 'Pixel at ($x, $y) was expected to'
+          ' be: <${_filled(filled)}> but was: <${_filled(!filled)}> with data: '
+          '${pixelDataToString(readPixel(x, y), x, y)}');
 }
 
 void expectPixelUnfilled(int x, int y) {
   expectPixelFilled(x, y, false);
 }
 
 main() {
   useHtmlIndividualConfiguration();
 
   group('pixel_manipulation', () {
@@ skipping 59 matching lines @@
     });
 
     test('strokeStyle', () {
       context.strokeStyle = "blue";
       context.lineWidth = 10;
       context.strokeRect(0, 0, canvas.width, canvas.height);
       expect(readPixel(2, 2), [0, 0, 255, 255]);
     });
 
     test('fillStyle linearGradient', () {
-      var gradient = context.createLinearGradient(0,0,20,20);
-      gradient.addColorStop(0,'red');
-      gradient.addColorStop(1,'blue');
+      var gradient = context.createLinearGradient(0, 0, 20, 20);
+      gradient.addColorStop(0, 'red');
+      gradient.addColorStop(1, 'blue');
       context.fillStyle = gradient;
       context.fillRect(0, 0, canvas.width, canvas.height);
       expect(context.fillStyle is CanvasGradient, isTrue);
     });
 
     test('putImageData', () {
       context.fillStyle = 'green';
       context.fillRect(0, 0, canvas.width, canvas.height);
 
       ImageData expectedData = context.getImageData(0, 0, 10, 10);
@@ skipping 33 matching lines @@
       drawnData.data[7 * 4 + 3] = 255;
 
       // Use a dirty rectangle to limit what pixels are drawn.
       context.putImageData(drawnData, 0, 0, 1, 0, 5, 5);
 
       // Expect the data to be all green, as we skip all drawn pixels.
       ImageData expectedData = context.createImageData(10, 10);
       for (int i = 0; i < expectedData.data.length; i++) {
         switch (i % 4) {
           case 0:
-            expectedData.data[i] =  0;
+            expectedData.data[i] = 0;
             break;
           case 1:
-            expectedData.data[i] =  128;
+            expectedData.data[i] = 128;
             break;
           case 2:
-            expectedData.data[i] =  0;
+            expectedData.data[i] = 0;
             break;
           case 3:
-            expectedData.data[i] =  255;
+            expectedData.data[i] = 255;
             break;
         }
       }
       // Third pixel was copied.
       expectedData.data[2 * 4 + 0] = 25;
       expectedData.data[2 * 4 + 1] = 65;
       expectedData.data[2 * 4 + 2] = 255;
       expectedData.data[2 * 4 + 3] = 255;
 
       // Make sure that our data is all green.
       var resultingData = context.getImageData(0, 0, 10, 10);
       expect(resultingData.data, expectedData.data);
     });
 
     test('putImageData throws with wrong number of arguments', () {
       ImageData expectedData = context.getImageData(0, 0, 10, 10);
 
       // TODO(antonm): in Dartium ArgumentError should be thrown too.
-      expect(() => context.putImageData(expectedData, 0, 0, 1),
-        throws);
-      expect(() => context.putImageData(expectedData, 0, 0, 1, 1),
-        throws);
-      expect(() => context.putImageData(expectedData, 0, 0, 1, 1, 5),
-        throws);
+      expect(() => context.putImageData(expectedData, 0, 0, 1), throws);
+      expect(() => context.putImageData(expectedData, 0, 0, 1, 1), throws);
+      expect(() => context.putImageData(expectedData, 0, 0, 1, 1, 5), throws);
     });
   });
 
   group('arc', () {
     setUp(setupFunc);
     tearDown(tearDownFunc);
 
     test('default arc should be clockwise', () {
       context.beginPath();
       final r = 10;
 
       // Center of arc.
       final cx = 20;
       final cy = 20;
       // Arc centered at (20, 20) with radius 10 will go clockwise
       // from (20 + r, 20) to (20, 20 + r), which is 1/4 of a circle.
-      context.arc(cx, cy, r, 0, PI/2);
+      context.arc(cx, cy, r, 0, PI / 2);
 
       context.strokeStyle = 'green';
       context.lineWidth = 2;
       context.stroke();
 
       // Center should not be filled.
       expectPixelUnfilled(cx, cy);
 
       // (cx + r, cy) should be filled.
       expectPixelFilled(cx + r, cy, true);
       // (cx, cy + r) should be filled.
       expectPixelFilled(cx, cy + r, true);
       // (cx - r, cy) should be empty.
       expectPixelFilled(cx - r, cy, false);
       // (cx, cy - r) should be empty.
       expectPixelFilled(cx, cy - r, false);
 
       // (cx + r/SQRT2, cy + r/SQRT2) should be filled.
-      expectPixelFilled((cx + r/SQRT2).toInt(), (cy + r/SQRT2).toInt(), true);
+      expectPixelFilled(
+          (cx + r / SQRT2).toInt(), (cy + r / SQRT2).toInt(), true);
 
       // (cx - r/SQRT2, cy - r/SQRT2) should be empty.
-      expectPixelFilled((cx - r/SQRT2).toInt(), (cy + r/SQRT2).toInt(), false);
+      expectPixelFilled(
+          (cx - r / SQRT2).toInt(), (cy + r / SQRT2).toInt(), false);
 
       // (cx + r/SQRT2, cy + r/SQRT2) should be empty.
-      expectPixelFilled((cx - r/SQRT2).toInt(), (cy - r/SQRT2).toInt(), false);
+      expectPixelFilled(
+          (cx - r / SQRT2).toInt(), (cy - r / SQRT2).toInt(), false);
 
       // (cx - r/SQRT2, cy - r/SQRT2) should be empty.
-      expectPixelFilled((cx + r/SQRT2).toInt(), (cy - r/SQRT2).toInt(), false);
+      expectPixelFilled(
+          (cx + r / SQRT2).toInt(), (cy - r / SQRT2).toInt(), false);
     });
 
     test('arc anticlockwise', () {
       context.beginPath();
       final r = 10;
 
       // Center of arc.
       final cx = 20;
       final cy = 20;
       // Arc centered at (20, 20) with radius 10 will go anticlockwise
       // from (20 + r, 20) to (20, 20 + r), which is 3/4 of a circle.
       // Because of the way arc work, when going anti-clockwise, the end points
       // are not included, so small values are added to radius to make a little
       // more than a 3/4 circle.
-      context.arc(cx, cy, r, .1, PI/2 - .1, true);
+      context.arc(cx, cy, r, .1, PI / 2 - .1, true);
 
       context.strokeStyle = 'green';
       context.lineWidth = 2;
       context.stroke();
 
       // Center should not be filled.
       expectPixelUnfilled(cx, cy);
 
       // (cx + r, cy) should be filled.
       expectPixelFilled(cx + r, cy, true);
       // (cx, cy + r) should be filled.
       expectPixelFilled(cx, cy + r, true);
       // (cx - r, cy) should be filled.
       expectPixelFilled(cx - r, cy, true);
       // (cx, cy - r) should be filled.
       expectPixelFilled(cx, cy - r, true);
 
       // (cx + r/SQRT2, cy + r/SQRT2) should be empty.
-      expectPixelFilled((cx + r/SQRT2).toInt(), (cy + r/SQRT2).toInt(), false);
+      expectPixelFilled(
+          (cx + r / SQRT2).toInt(), (cy + r / SQRT2).toInt(), false);
 
       // (cx - r/SQRT2, cy - r/SQRT2) should be filled.
-      expectPixelFilled((cx - r/SQRT2).toInt(), (cy + r/SQRT2).toInt(), true);
+      expectPixelFilled(
+          (cx - r / SQRT2).toInt(), (cy + r / SQRT2).toInt(), true);
 
       // (cx + r/SQRT2, cy + r/SQRT2) should be filled.
-      expectPixelFilled((cx - r/SQRT2).toInt(), (cy - r/SQRT2).toInt(), true);
+      expectPixelFilled(
+          (cx - r / SQRT2).toInt(), (cy - r / SQRT2).toInt(), true);
 
       // (cx - r/SQRT2, cy - r/SQRT2) should be filled.
-      expectPixelFilled((cx + r/SQRT2).toInt(), (cy - r/SQRT2).toInt(), true);
+      expectPixelFilled(
+          (cx + r / SQRT2).toInt(), (cy - r / SQRT2).toInt(), true);
     });
   });
 
   group('drawImage_image_element', () {
     setUp(setupFunc);
     tearDown(tearDownFunc);
     // Draw an image to the canvas from an image element.
     test('with 3 params', () {
       var dataUrl = otherCanvas.toDataUrl('image/gif');
       var img = new ImageElement();
@@ skipping 42 matching lines @@
       otherContext.fillStyle = "blue";
       otherContext.fillRect(5, 5, 5, 5);
       var dataUrl = otherCanvas.toDataUrl('image/gif');
       var img = new ImageElement();
 
       img.onLoad.listen(expectAsync((_) {
         // This will take a 6x6 square from the first canvas from position 2,2
         // and then scale it to a 20x20 square and place it to the second
         // canvas at 50,50.
         context.drawImageToRect(img, new Rectangle(50, 50, 20, 20),
-          sourceRect: new Rectangle(2, 2, 6, 6));
+            sourceRect: new Rectangle(2, 2, 6, 6));
 
         checkPixel(readPixel(50, 50), [255, 0, 0, 255]);
         checkPixel(readPixel(55, 55), [255, 0, 0, 255]);
         checkPixel(readPixel(60, 50), [255, 0, 0, 255]);
         checkPixel(readPixel(65, 65), [0, 0, 255, 255]);
         checkPixel(readPixel(69, 69), [0, 0, 255, 255]);
 
         expectPixelFilled(50, 50);
         expectPixelFilled(55, 55);
         expectPixelFilled(59, 59);
@@ skipping 80 matching lines @@
         expectPixelFilled(57, 57);
         expectPixelUnfilled(58, 58);
         expectPixelUnfilled(0, 0);
         expectPixelUnfilled(70, 70);
       }));
 
       video.onError.listen((_) {
         fail('URL failed to load.');
       });
 
-      if(video.canPlayType('video/webm; codecs="vp8.0, vorbis"', '') != '') {
+      if (video.canPlayType('video/webm; codecs="vp8.0, vorbis"', '') != '') {
         video.src = webmVideoUrl;
-      } else if(video.canPlayType('video/mp4; codecs="avc1.4D401E, mp4a.40.2"',
-            null) != '') {
+      } else if (video.canPlayType(
+              'video/mp4; codecs="avc1.4D401E, mp4a.40.2"', null) !=
+          '') {
         video.src = mp4VideoUrl;
       } else {
         window.console.log('Video is not supported on this system.');
       }
     });
 
     test('with 5 params', () {
       video.onCanPlay.listen(expectAsync((_) {
         context.drawImageToRect(video, new Rectangle(50, 50, 20, 20));
 
         expectPixelFilled(50, 50);
         expectPixelFilled(55, 55);
         expectPixelFilled(59, 59);
         expectPixelFilled(60, 60);
         expectPixelFilled(69, 69);
         expectPixelUnfilled(70, 70);
         expectPixelUnfilled(0, 0);
         expectPixelUnfilled(80, 80);
       }));
       video.onError.listen((_) {
         fail('URL failed to load.');
       });
 
-      if(video.canPlayType('video/webm; codecs="vp8.0, vorbis"', '') != '') {
+      if (video.canPlayType('video/webm; codecs="vp8.0, vorbis"', '') != '') {
         video.src = webmVideoUrl;
-      } else if(video.canPlayType('video/mp4; codecs="avc1.4D401E, mp4a.40.2"',
-            null) != '') {
+      } else if (video.canPlayType(
+              'video/mp4; codecs="avc1.4D401E, mp4a.40.2"', null) !=
+          '') {
         video.src = mp4VideoUrl;
       } else {
         // TODO(amouravski): Better fallback?
         window.console.log('Video is not supported on this system.');
       }
     });
 
     test('with 9 params', () {
       video.onCanPlay.listen(expectAsync((_) {
         context.drawImageToRect(video, new Rectangle(50, 50, 20, 20),
-          sourceRect: new Rectangle(2, 2, 6, 6));
+            sourceRect: new Rectangle(2, 2, 6, 6));
 
         expectPixelFilled(50, 50);
         expectPixelFilled(55, 55);
         expectPixelFilled(59, 59);
         expectPixelFilled(60, 60);
         expectPixelFilled(69, 69);
         expectPixelUnfilled(70, 70);
         expectPixelUnfilled(0, 0);
         expectPixelUnfilled(80, 80);
       }));
       video.onError.listen((_) {
         fail('URL failed to load.');
       });
 
-      if(video.canPlayType('video/webm; codecs="vp8.0, vorbis"', '') != '') {
+      if (video.canPlayType('video/webm; codecs="vp8.0, vorbis"', '') != '') {
         video.src = webmVideoUrl;
-      } else if(video.canPlayType('video/mp4; codecs="avc1.4D401E, mp4a.40.2"',
-            null) != '') {
+      } else if (video.canPlayType(
+              'video/mp4; codecs="avc1.4D401E, mp4a.40.2"', null) !=
+          '') {
         video.src = mp4VideoUrl;
       } else {
         // TODO(amouravski): Better fallback?
         window.console.log('Video is not supported on this system.');
       }
     });
   });
 
   group('drawImage_video_element_dataUrl', () {
     setUp(setupFunc);
     tearDown(tearDownFunc);
 
     test('with 9 params', () {
       video = new VideoElement();
       canvas = new CanvasElement();
       video.onCanPlay.listen(expectAsync((_) {
         context.drawImageToRect(video, new Rectangle(50, 50, 20, 20),
-          sourceRect: new Rectangle(2, 2, 6, 6));
+            sourceRect: new Rectangle(2, 2, 6, 6));
 
         expectPixelFilled(50, 50);
         expectPixelFilled(55, 55);
         expectPixelFilled(59, 59);
         expectPixelFilled(60, 60);
         expectPixelFilled(69, 69);
         expectPixelUnfilled(70, 70);
         expectPixelUnfilled(0, 0);
         expectPixelUnfilled(80, 80);
       }));
       video.onError.listen((_) {
         fail('URL failed to load.');
       });
 
-      if(video.canPlayType('video/webm; codecs="vp8.0, vorbis"', '') != '') {
+      if (video.canPlayType('video/webm; codecs="vp8.0, vorbis"', '') != '') {
         video.src = webmVideoDataUrl;
-      } else if(video.canPlayType('video/mp4; codecs="avc1.4D401E, mp4a.40.2"',
-            null) != '') {
+      } else if (video.canPlayType(
+              'video/mp4; codecs="avc1.4D401E, mp4a.40.2"', null) !=
+          '') {
         video.src = mp4VideoDataUrl;
       } else {
         // TODO(amouravski): Better fallback?
         window.console.log('Video is not supported on this system.');
       }
     });
   });
 
   group('drawImage_canvas_element', () {
     setUp(setupFunc);
@@ skipping 128 matching lines @@
 
       // The box does not draw after 20 pixels.
       expectPixelUnfilled(x - 10, y);
       expectPixelUnfilled(x + maxWidth + 1, y);
       expectPixelUnfilled(x + maxWidth + 20, y);
       expectPixelFilled(x, y);
       expectPixelFilled(x + 10, y);
     });
   });
 }