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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: ffd8b73499f6099fb269344d81208743d1b9f54c authored by Hallvord R. M. Steen on 25 February 2016, 15:23:24 UTC
Reordering asserts to make failures easier to debug
Tip revision: ffd8b73
canvas_linestyles_linecap_001.htm 
<!doctype HTML>
<html>
    <head>
        <title>HTML5 Canvas Test: "square" lineCap</title>
        <link rel="match" href="canvas_linestyles_linecap_001-ref.htm">
        <link rel="author" title="Microsoft" href="http://www.microsoft.com" />
        <link rel="help" href="http://www.w3.org/TR/2dcontext/#dom-context-2d-linecap" />
        <meta name="assert" content="The square value of lineCap means that a rectangle with the length of the line width and the width of half the line width, placed flat against the edge perpendicular to the direction of the line, must be added at the end of each line." />
        <script type="text/javascript">
            function runTest()
            {
                var canvas = document.getElementById("canvas1");
                var ctx = canvas.getContext("2d");

                // Draw the first red rectangle.
                ctx.fillStyle ="rgba(255, 0, 0, 1.0)";
                ctx.fillRect(75, 0, 25, 50);

                // Draw second red rectangle.
                ctx.fillRect(0, 0, 25, 50);

                // Draw a line with square lineCap.
                ctx.strokeStyle = "rgba(0, 0, 0, 1.0)";
                ctx.lineWidth = 50;
                ctx.lineCap = "square";
                ctx.beginPath();
                ctx.moveTo(25, 25);
                ctx.lineTo(75, 25);
                ctx.stroke();
            }
        </script>
    </head>
    <body onload="runTest()">
        <p>Description: The square value of lineCap means that a rectangle with the length of the line width and the width of half the line width, placed flat against the edge perpendicular to the direction of the line, must be added at the end of each line.</p>
        <canvas id="canvas1" width="300" height="150">Browser does not support HTML5 Canvas.</canvas>
    </body>
</html>
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