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42 lines
2 KiB
JavaScript
42 lines
2 KiB
JavaScript
// DO NOT EDIT! This test has been generated by tools/gentest.py.
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// OffscreenCanvas test in a worker:2d.text.measure.actualBoundingBox
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// Description:Testing actualBoundingBox for OffscreenCanvas
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// Note:
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importScripts("/resources/testharness.js");
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importScripts("/common/canvas-tests.js");
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var t = async_test("Testing actualBoundingBox for OffscreenCanvas");
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t.step(function() {
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var offscreenCanvas = new OffscreenCanvas(100, 50);
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var ctx = offscreenCanvas.getContext('2d');
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deferTest();
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var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf");
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let fonts = (self.fonts ? self.fonts : document.fonts);
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fonts.add(f);
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fonts.ready.then(() => {
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step_timeout(t.step_func_done(function () {
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ctx.font = '50px CanvasTest';
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ctx.direction = 'ltr';
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ctx.align = 'left'
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ctx.baseline = 'alphabetic'
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// Some platforms may return '-0'.
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_assertSame(Math.abs(ctx.measureText('A').actualBoundingBoxLeft), 0, "Math.abs(ctx.measureText('A').actualBoundingBoxLeft)", "0");
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// Different platforms may render text slightly different.
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_assert(ctx.measureText('A').actualBoundingBoxRight >= 50, "ctx.measureText('A').actualBoundingBoxRight >= 50");
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_assert(ctx.measureText('A').actualBoundingBoxAscent >= 35, "ctx.measureText('A').actualBoundingBoxAscent >= 35");
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_assertSame(Math.abs(ctx.measureText('A').actualBoundingBoxDescent), 0, "Math.abs(ctx.measureText('A').actualBoundingBoxDescent)", "0");
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_assertSame(Math.abs(ctx.measureText('ABCD').actualBoundingBoxLeft), 0, "Math.abs(ctx.measureText('ABCD').actualBoundingBoxLeft)", "0");
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_assert(ctx.measureText('ABCD').actualBoundingBoxRight >= 200, "ctx.measureText('ABCD').actualBoundingBoxRight >= 200");
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_assert(ctx.measureText('ABCD').actualBoundingBoxAscent >= 85, "ctx.measureText('ABCD').actualBoundingBoxAscent >= 85");
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_assert(ctx.measureText('ABCD').actualBoundingBoxDescent >= 37, "ctx.measureText('ABCD').actualBoundingBoxDescent >= 37");
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}), 500);
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});
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t.done();
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});
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done();
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