third_party/WebKit/LayoutTests/fast/canvas/painting-on-bad-canvas.html - Issue 2701053003: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests.

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Issue 2701053003: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)

Patch Set: Created 3 years, 10 months ago

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1 <!DOCTYPE html>	1 <script src="../../resources/testharness.js"></script>

	2 <script src="../../resources/testharnessreport.js"></script>

	3

2 <canvas id="mycanvas"><button id="button"></button></canvas>	4 <canvas id="mycanvas"><button id="button"></button></canvas>

3 <script src="../../resources/js-test.js"></script>

4 <script>	5 <script>

5 description("This tests verifies that canvas API calls on a canvas with no backi ng or no visibility do not crash or throw exceptions.");

6

7 if (window.testRunner) {

8 testRunner.dumpAsText();

9 }

10

11 var canvas = document.getElementById('mycanvas');	6 var canvas = document.getElementById('mycanvas');

12 var ctx = canvas.getContext('2d');	7 var ctx = canvas.getContext('2d');

13 var button = document.getElementById('button');	8 var button = document.getElementById('button');

14 button.focus();	9 button.focus();

15	10

16 function testAPICalls() {	11 function testAPICalls() {

17 try {	12 ctx.beginPath();

18 ctx.beginPath();	13 ctx.rect(0, 0, 10, 10);

19 ctx.rect(0, 0, 10, 10);	14 ctx.fill();

20 ctx.fill();	15 ctx.stroke();

21 ctx.stroke();	16 ctx.drawFocusIfNeeded(button);

22 ctx.drawFocusIfNeeded(button);	17 ctx.isPointInPath(0,0);

23 ctx.isPointInPath(0,0);	18 ctx.isPointInStroke(0,0);

24 ctx.isPointInStroke(0,0);	19 ctx.clearRect(0, 0, 5, 5);

25 ctx.clearRect(0, 0, 5, 5);	20 ctx.fillRect(0, 0, 5, 5);

26 ctx.fillRect(0, 0, 5, 5);	21 ctx.strokeRect(0, 0, 5, 5);

27 ctx.strokeRect(0, 0, 5, 5);	22 ctx.scrollPathIntoView();

28 ctx.scrollPathIntoView();	23 data = ctx.createImageData(5, 5);

29 data = ctx.createImageData(5, 5);	24 ctx.putImageData(data, 0, 0);

30 ctx.putImageData(data, 0, 0);	25 ctx.font = "20px arial";

31 ctx.font = "20px arial";	26 ctx.fillText("Test", 20, 20);

32 ctx.fillText("Test", 20, 20);	27 ctx.strokeText("Test", 20, 20);

33 ctx.strokeText("Test", 20, 20);	28 ctx.measureText("Test");

34 » ctx.measureText("Test");	29 ctx.clip();

35 ctx.clip();	30 ctx.drawImage(canvas, 0, 0);

36 ctx.drawImage(canvas, 0, 0);	31 ctx.getImageData(0, 0, 5, 5);

37 ctx.getImageData(0, 0, 5, 5);	32 canvas.toDataURL();

38 canvas.toDataURL();

39 } catch(err) {

40 testFailed("Unexpected exception.");

41 }

42 }	33 }

43	34

44 // First pass: normal conditions	35 test(function(){

45 testAPICalls();

46	36

47 // Test a zero size canvas	37 // First pass: normal conditions

48 canvas.width = 0;	38 testAPICalls();

49 testAPICalls();

50	39

51 // Test a canvas so large that it has no chance of successful allocating a backi ng	40 // Test a zero size canvas

52 canvas.width = 10000000;	41 canvas.width = 0;

53 canvas.height = 10000000;	42 testAPICalls();

54 testAPICalls();

55	43

56 // Test a canvas that is valid, but detached from the DOM	44 // Test a canvas so large that it has no chance of successful allocating a b acking

57 canvas.width = 100;	45 canvas.width = 10000000;

58 canvas.height = 100;	46 canvas.height = 10000000;

59 canvas.remove();	47 testAPICalls();

60 testAPICalls();

61	48

	49 // Test a canvas that is valid, but detached from the DOM

	50 canvas.width = 100;

	51 canvas.height = 100;

	52 canvas.remove();

	53 testAPICalls();

	54

	55 }, "Verify that canvas API calls on a canvas with no backing or no visibility do not crash or throw exceptions.");

62 </script>	56 </script>

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