| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.text.measure.width.empty</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/2dcontext/resources/canvas-tests.js"></script> |
| |
| <h1>2d.text.measure.width.empty</h1> |
| <p class="desc">The empty string has zero width for OffscreenCanvas</p> |
| |
| |
| <script> |
| var t = async_test("The empty string has zero width for OffscreenCanvas"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf"); |
| let fonts = (self.fonts ? self.fonts : document.fonts); |
| fonts.add(f); |
| fonts.ready.then(() => { |
| return new Promise(function(resolve) { step_timeout(resolve, 500); }); |
| }).then(function() { |
| ctx.font = '50px CanvasTest'; |
| _assertSame(ctx.measureText("").width, 0, "ctx.measureText(\"\").width", "0"); |
| }).then(t_pass, t_fail); |
| |
| }); |
| </script> |
