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| (Empty) |
| 1 description("Series of tests to ensure correct behaviour of calling canvas metho
ds with illegal arguments (Infintiy and NaN)"); | |
| 2 | |
| 3 var ctx; | |
| 4 | |
| 5 debug("Test scale."); | |
| 6 ctx = document.createElement('canvas').getContext('2d'); | |
| 7 | |
| 8 ctx.scale(NaN, 1); | |
| 9 ctx.fillStyle = 'green'; | |
| 10 ctx.fillRect(0, 0, 100, 100); | |
| 11 | |
| 12 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 13 var imgdata = imageData.data; | |
| 14 shouldBe("imgdata[0]", "0"); | |
| 15 shouldBe("imgdata[1]", "128"); | |
| 16 shouldBe("imgdata[2]", "0"); | |
| 17 | |
| 18 ctx = document.createElement('canvas').getContext('2d'); | |
| 19 | |
| 20 ctx.scale(1, NaN); | |
| 21 ctx.fillStyle = 'green'; | |
| 22 ctx.fillRect(0, 0, 100, 100); | |
| 23 | |
| 24 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 25 var imgdata = imageData.data; | |
| 26 shouldBe("imgdata[0]", "0"); | |
| 27 shouldBe("imgdata[1]", "128"); | |
| 28 shouldBe("imgdata[2]", "0"); | |
| 29 | |
| 30 ctx = document.createElement('canvas').getContext('2d'); | |
| 31 | |
| 32 ctx.scale(Infinity, 1); | |
| 33 ctx.fillStyle = 'green'; | |
| 34 ctx.fillRect(0, 0, 100, 100); | |
| 35 | |
| 36 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 37 var imgdata = imageData.data; | |
| 38 shouldBe("imgdata[0]", "0"); | |
| 39 shouldBe("imgdata[1]", "128"); | |
| 40 shouldBe("imgdata[2]", "0"); | |
| 41 | |
| 42 ctx = document.createElement('canvas').getContext('2d'); | |
| 43 | |
| 44 ctx.scale(1, Infinity); | |
| 45 ctx.fillStyle = 'green'; | |
| 46 ctx.fillRect(0, 0, 100, 100); | |
| 47 | |
| 48 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 49 var imgdata = imageData.data; | |
| 50 shouldBe("imgdata[0]", "0"); | |
| 51 shouldBe("imgdata[1]", "128"); | |
| 52 shouldBe("imgdata[2]", "0"); | |
| 53 | |
| 54 | |
| 55 | |
| 56 debug("Test translate."); | |
| 57 ctx = document.createElement('canvas').getContext('2d'); | |
| 58 | |
| 59 ctx.translate(NaN, 1); | |
| 60 ctx.fillStyle = 'green'; | |
| 61 ctx.fillRect(0, 0, 100, 100); | |
| 62 | |
| 63 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 64 var imgdata = imageData.data; | |
| 65 shouldBe("imgdata[0]", "0"); | |
| 66 shouldBe("imgdata[1]", "128"); | |
| 67 shouldBe("imgdata[2]", "0"); | |
| 68 | |
| 69 ctx = document.createElement('canvas').getContext('2d'); | |
| 70 | |
| 71 ctx.translate(1, NaN); | |
| 72 ctx.fillStyle = 'green'; | |
| 73 ctx.fillRect(0, 0, 100, 100); | |
| 74 | |
| 75 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 76 var imgdata = imageData.data; | |
| 77 shouldBe("imgdata[0]", "0"); | |
| 78 shouldBe("imgdata[1]", "128"); | |
| 79 shouldBe("imgdata[2]", "0"); | |
| 80 | |
| 81 ctx = document.createElement('canvas').getContext('2d'); | |
| 82 | |
| 83 ctx.translate(Infinity, 1); | |
| 84 ctx.fillStyle = 'green'; | |
| 85 ctx.fillRect(0, 0, 100, 100); | |
| 86 | |
| 87 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 88 var imgdata = imageData.data; | |
| 89 shouldBe("imgdata[0]", "0"); | |
| 90 shouldBe("imgdata[1]", "128"); | |
| 91 shouldBe("imgdata[2]", "0"); | |
| 92 | |
| 93 ctx = document.createElement('canvas').getContext('2d'); | |
| 94 | |
| 95 ctx.translate(1, Infinity); | |
| 96 ctx.fillStyle = 'green'; | |
| 97 ctx.fillRect(0, 0, 100, 100); | |
| 98 | |
| 99 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 100 var imgdata = imageData.data; | |
| 101 shouldBe("imgdata[0]", "0"); | |
| 102 shouldBe("imgdata[1]", "128"); | |
| 103 shouldBe("imgdata[2]", "0"); | |
| 104 | |
| 105 | |
| 106 debug("Test rotate."); | |
| 107 ctx = document.createElement('canvas').getContext('2d'); | |
| 108 | |
| 109 ctx.rotate(NaN); | |
| 110 ctx.fillStyle = 'green'; | |
| 111 ctx.fillRect(0, 0, 100, 100); | |
| 112 | |
| 113 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 114 var imgdata = imageData.data; | |
| 115 shouldBe("imgdata[0]", "0"); | |
| 116 shouldBe("imgdata[1]", "128"); | |
| 117 shouldBe("imgdata[2]", "0"); | |
| 118 | |
| 119 ctx = document.createElement('canvas').getContext('2d'); | |
| 120 | |
| 121 ctx.rotate(Infinity); | |
| 122 ctx.fillStyle = 'green'; | |
| 123 ctx.fillRect(0, 0, 100, 100); | |
| 124 | |
| 125 var imageData = ctx.getImageData(50, 50, 1, 1); | |
| 126 var imgdata = imageData.data; | |
| 127 shouldBe("imgdata[0]", "0"); | |
| 128 shouldBe("imgdata[1]", "128"); | |
| 129 shouldBe("imgdata[2]", "0"); | |
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