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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <script src="../../resources/testharness.js"></script> |
2 <html> | 2 <script src="../../resources/testharnessreport.js"></script> |
3 <head> | 3 |
4 <script src="../../resources/js-test.js"></script> | |
5 </head> | |
6 <script> | 4 <script> |
7 window.jsTestIsAsync = true; | |
8 description("This test checks behavior of Canvas::drawImage with a broken so
urce image."); | |
9 | 5 |
10 // Create an image with invalid data. | 6 // Create an image with invalid data. |
11 var invalidImage = new Image(); | 7 var invalidImage = new Image(); |
12 invalidImage.src = 'resources/shadow-offset.js'; | 8 invalidImage.src = 'resources/shadow-offset.js'; |
13 invalidImage.onerror = draw; | |
14 | 9 |
15 var ctx = document.createElement("canvas").getContext('2d'); | 10 var ctx = document.createElement("canvas").getContext('2d'); |
16 function draw() { | 11 function draw() { |
17 // null and undefined images should throw TypeError | 12 // null and undefined images should throw TypeError |
18 shouldThrow("ctx.drawImage(null, 0, 0)"); | 13 assert_throws(null, function() {ctx.drawImage(null, 0, 0)}); |
19 shouldThrow("ctx.drawImage(null, 0, 0, 20, 20)"); | 14 assert_throws(null, function() {ctx.drawImage(null, 0, 0, 20, 20)}); |
20 shouldThrow("ctx.drawImage(null, 0, 0, 20, 20, 0, 0, 20, 20)"); | 15 assert_throws(null, function() {ctx.drawImage(null, 0, 0, 20, 20, 0, 0, 20,
20)}); |
21 shouldThrow("ctx.drawImage(undefined, 0, 0)"); | 16 assert_throws(null, function() {ctx.drawImage(undefined, 0, 0)}); |
22 shouldThrow("ctx.drawImage(undefined, 0, 0, 20, 20)"); | 17 assert_throws(null, function() {ctx.drawImage(undefined, 0, 0, 20, 20)}); |
23 shouldThrow("ctx.drawImage(undefined, 0, 0, 20, 20, 0, 0, 20, 20)"); | 18 assert_throws(null, function() {ctx.drawImage(undefined, 0, 0, 20, 20, 0, 0,
20, 20)}); |
24 | 19 |
25 // broken images should not throw | 20 // broken images should not throw |
26 shouldThrow("ctx.drawImage(invalidImage, 0, 0)"); | 21 assert_throws(null, function() {ctx.drawImage(invalidImage, 0, 0)}); |
27 shouldThrow("ctx.drawImage(invalidImage, 0, 0, 20, 20)"); | 22 assert_throws(null, function() {ctx.drawImage(invalidImage, 0, 0, 20, 20)}); |
28 shouldThrow("ctx.drawImage(invalidImage, 0, 0, 20, 20, 0, 0, 20, 20)"); | 23 assert_throws(null, function() {ctx.drawImage(invalidImage, 0, 0, 20, 20, 0,
0, 20, 20)}); |
29 shouldThrow("ctx.drawImage(invalidImage, 0, 0, 0, 20)"); | 24 assert_throws(null, function() {ctx.drawImage(invalidImage, 0, 0, 0, 20)}); |
30 shouldThrow("ctx.drawImage(invalidImage, 0, 0, 0, 20, 0, 0, 20, 20)"); | 25 assert_throws(null, function() {ctx.drawImage(invalidImage, 0, 0, 0, 20, 0,
0, 20, 20)}); |
| 26 } |
| 27 |
| 28 async_test(t => { |
| 29 invalidImage.onerror = function() { |
| 30 t.step(draw); |
| 31 t.done(); |
| 32 } |
| 33 }, "This test checks behavior of Canvas::drawImage with a broken source image.")
; |
31 | 34 |
32 finishJSTest(); | |
33 } | |
34 </script> | 35 </script> |
35 </body> | 36 </body> |
36 </html> | 37 </html> |
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