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Bug 830734 - Add tests for path object in canvas. r=roc

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This commit is contained in:
Rik Cabanier 2014-03-18 08:03:19 -04:00
parent b97e98037d
commit 909e49d702
2 changed files with 200 additions and 0 deletions
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1
content/canvas/test/mochitest.ini
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@ -192,6 +192,7 @@ skip-if = (toolkit == 'gonk' && debug) #debug-only crash; bug 933541
[test_canvas_focusring.html]
skip-if = (toolkit == 'gonk' && !debug) #specialpowers.wrap
[test_canvas_font_setter.html]
[test_canvas_path.html]
[test_hitregion_canvas.html]
skip-if = os == "android" || appname == "b2g"
[test_canvas_strokeStyle_getter.html]

199
content/canvas/test/test_canvas_path.html Normal file
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@ -0,0 +1,199 @@
<!DOCTYPE HTML>
<title>Canvas Tests</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<script>
SimpleTest.waitForExplicitFinish();
const Cc = SpecialPowers.Cc;
const Cr = SpecialPowers.Cr;
SpecialPowers.setBoolPref("canvas.path.enabled", true);
function isPixel(ctx, x,y, c, d) {
var pos = x + "," + y;
var color = c[0] + "," + c[1] + "," + c[2] + "," + c[3];
var pixel = ctx.getImageData(x, y, 1, 1);
var pr = pixel.data[0],
pg = pixel.data[1],
pb = pixel.data[2],
pa = pixel.data[3];
ok(c[0]-d <= pr && pr <= c[0]+d &&
c[1]-d <= pg && pg <= c[1]+d &&
c[2]-d <= pb && pb <= c[2]+d &&
c[3]-d <= pa && pa <= c[3]+d,
"pixel "+pos+" of "+ctx.canvas.id+" is "+pr+","+pg+","+pb+","+pa+"; expected "+color+" +/- "+d);
}
</script>
<p>Canvas test: test_drawClipPath_canvas</p>
<canvas id="c1" class="output" width="100" height="100">+
</canvas>
<script type="text/javascript">
function test_drawClipPath_canvas() {
var c = document.getElementById("c1");
var ctx = c.getContext("2d");
var path = new Path2D();
path.rect(0, 0, 100, 100);
path.rect(25, 25, 50, 50);
ctx.fillStyle = 'rgb(255,0,0)';
ctx.beginPath();
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.save();
ctx.clip(path);
ctx.fillRect(0, 0, 100, 100);
isPixel(ctx, 50, 50, [0, 255, 0, 255], 5);
ctx.restore();
ctx.fillStyle = 'rgb(255,0,0)';
ctx.beginPath();
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.save();
ctx.clip(path, 'nonzero');
ctx.fillRect(0, 0, 100, 100);
isPixel(ctx, 50, 50, [0, 255, 0, 255], 5);
ctx.restore();
ctx.fillStyle = 'rgb(255,0,0)';
ctx.beginPath();
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.save();
ctx.clip(path, 'evenodd');
ctx.fillRect(0, 0, 100, 100);
isPixel(ctx, 50, 50, [255, 0, 0, 255], 5);
ctx.restore();
}
</script>
<p>Canvas test: test_drawFillPath_canvas</p>
<canvas id="c2" class="output" width="100" height="100">+
</canvas>
<script type="text/javascript">
function test_drawFillPath_canvas() {
var c = document.getElementById("c2");
var ctx = c.getContext("2d");
var path = new Path2D();
path.rect(0, 0, 100, 100);
path.rect(25, 25, 50, 50);
ctx.fillStyle = 'rgb(255,0,0)';
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.fill(path);
isPixel(ctx, 50, 50, [0, 255, 0, 255], 5);
ctx.fillStyle = 'rgb(255,0,0)';
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.fill(path, 'nonzero');
isPixel(ctx, 50, 50, [0, 255, 0, 255], 5);
ctx.fillStyle = 'rgb(255,0,0)';
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.fill(path, 'evenodd');
isPixel(ctx, 50, 50, [255, 0, 0, 255], 5);
}
</script>
<p>Canvas test: test_drawStrokePath_canvas</p>
<canvas id="c3" class="output" width="100" height="100">+
</canvas>
<script type="text/javascript">
function test_drawStrokePath_canvas() {
var c = document.getElementById("c3");
var ctx = c.getContext("2d");
var path = new Path2D();
path.rect(0, 0, 100, 100);
path.rect(25, 25, 50, 50);
ctx.fillStyle = 'rgb(255,0,0)';
ctx.fillRect(0, 0, 100, 100);
ctx.strokeStyle = 'rgb(0,255,0)';
ctx.lineWidth = 5;
ctx.stroke(path);
isPixel(ctx, 0, 0, [0, 255, 0, 255], 5);
isPixel(ctx, 25, 25, [0, 255, 0, 255], 5);
isPixel(ctx, 10, 10, [255, 0, 0, 255], 5);
}
</script>
<p>Canvas test: test_large_canvas</p>
<canvas id="c4" class="output" width="10000" height="100">+
</canvas>
<script type="text/javascript">
function test_large_canvas() {
// test paths on large canvases. On certain platforms this will
// trigger retargeting of the backend
var c = document.getElementById("c4");
var ctx = c.getContext("2d");
var path = new Path2D();
path.rect(0, 0, 100, 100);
path.rect(25, 25, 50, 50);
ctx.fillStyle = 'rgb(255,0,0)';
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.fill(path);
isPixel(ctx, 50, 50, [0, 255, 0, 255], 5);
ctx.fillStyle = 'rgb(255,0,0)';
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.fill(path, 'nonzero');
isPixel(ctx, 50, 50, [0, 255, 0, 255], 5);
ctx.fillStyle = 'rgb(255,0,0)';
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = 'rgb(0,255,0)';
ctx.fill(path, 'evenodd');
isPixel(ctx, 50, 50, [255, 0, 0, 255], 5);
}
</script>
<script>
function runTests() {
try {
test_drawClipPath_canvas();
} catch(e) {
throw e;
ok(false, "unexpected exception thrown in: test_drawClipPath_canvas");
}
try {
test_drawFillPath_canvas();
} catch(e) {
throw e;
ok(false, "unexpected exception thrown in: test_drawFillPath_canvas");
}
try {
test_drawStrokePath_canvas();
} catch(e) {
throw e;
ok(false, "unexpected exception thrown in: test_drawStrokePath_canvas");
}
try {
test_large_canvas();
} catch(e) {
throw e;
ok(false, "unexpected exception thrown in: test_large_canvas");
}
SpecialPowers.setBoolPref("canvas.path.enabled", false);
SimpleTest.finish();
}
addLoadEvent(runTests);
</script>