LayoutTests/fast/canvas/drawImage-with-valid-image.html - Issue 24203002: Improve generated "Not enough arguments." TypeError exceptions.

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Issue 24203002: Improve generated "Not enough arguments." TypeError exceptions. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: NeedsRebaseline Created 7 years, 3 months ago

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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">	1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">

2 <html>	2 <html>

3 <head>	3 <head>

4 <script src="../js/resources/js-test-pre.js"></script>	4 <script src="../js/resources/js-test-pre.js"></script>

5 </head>	5 </head>

6 <script>	6 <script>

7 window.jsTestIsAsync = true;	7 window.jsTestIsAsync = true;

8 description("This test checks behavior of valid arguments to Canvas::drawIma ge that use a valid source image.");	8 description("This test checks behavior of valid arguments to Canvas::drawIma ge that use a valid source image.");

9	9

10 var TypeError = "TypeError: Not enough arguments";	10 function ExpectedNotEnoughArgumentsMessage(num) {

	11 return "\"TypeError: Failed to execute 'drawImage' on 'CanvasRenderingCo ntext2D': 3 arguments required, but only " + num + " present.\"";

	12 }

11 var IndexSizeError = "IndexSizeError: Index or size was negative, or greater than the allowed value.";	13 var IndexSizeError = "IndexSizeError: Index or size was negative, or greater than the allowed value.";

12	14

13 // Create image	15 // Create image

14 var myImage = new Image();	16 var myImage = new Image();

15 var img_src = 'resources/apple.gif';	17 var img_src = 'resources/apple.gif';

16 myImage.src = img_src;	18 myImage.src = img_src;

17 myImage.onload = draw;	19 myImage.onload = draw;

18	20

19 var bitmap;	21 var bitmap;

20 var ctx = document.createElement("canvas").getContext('2d');	22 var ctx = document.createElement("canvas").getContext('2d');

21 function draw() {	23 function draw() {

22 // No arguments should get exception	24 // No arguments should get exception

23 shouldThrow("ctx.drawImage()", "TypeError");	25 shouldThrow("ctx.drawImage()", ExpectedNotEnoughArgumentsMessage(0));

24	26

25 // image argument only should get exception	27 // image argument only should get exception

26 shouldThrow("ctx.drawImage(myImage)", "TypeError");	28 shouldThrow("ctx.drawImage(myImage)", ExpectedNotEnoughArgumentsMessage( 1));

27	29

28 // image argument plus one number should get exception	30 // image argument plus one number should get exception

29 shouldThrow("ctx.drawImage(myImage, 0)", "TypeError");	31 shouldThrow("ctx.drawImage(myImage, 0)", ExpectedNotEnoughArgumentsMessa ge(2));

30	32

31 // image argument plus 2 numbers	33 // image argument plus 2 numbers

32 shouldNotThrow("ctx.drawImage(myImage, 0, 0)");	34 shouldNotThrow("ctx.drawImage(myImage, 0, 0)");

33	35

34 // image argument plus 4 numbers	36 // image argument plus 4 numbers

35 shouldNotThrow("ctx.drawImage(myImage, 0, 0, 20, 20)");	37 shouldNotThrow("ctx.drawImage(myImage, 0, 0, 20, 20)");

36	38

37 // image argument plus 8 numbers	39 // image argument plus 8 numbers

38 shouldNotThrow("ctx.drawImage(myImage, 0, 0, 20, 20, 0, 0, 20, 20)");	40 shouldNotThrow("ctx.drawImage(myImage, 0, 0, 20, 20, 0, 0, 20, 20)");

39	41

(...skipping 104 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
144 shouldNotThrow("ctx.drawImage(bitmap, 52, 74, -52, -64, 0, 0, 20, 20)");	146 shouldNotThrow("ctx.drawImage(bitmap, 52, 74, -52, -64, 0, 0, 20, 20)");

145	147

146 // negative size of source, imageRect does not contain sourceRect on eve ry side	148 // negative size of source, imageRect does not contain sourceRect on eve ry side

147 shouldNotThrow("ctx.drawImage(bitmap, 62, 74, -72, -84, 0, 0, 20, 20)");	149 shouldNotThrow("ctx.drawImage(bitmap, 62, 74, -72, -84, 0, 0, 20, 20)");

148	150

149 finishJSTest();	151 finishJSTest();

150 }	152 }

151 </script>	153 </script>

152 <script src="../js/resources/js-test-post.js"></script>	154 <script src="../js/resources/js-test-post.js"></script>

153 </body>	155 </body>

154 </html>	156 </html>

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