<!DOCTYPE html> <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> <title>Canvas test: 2d.clearRect.negative</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/common/canvas-tests.js"></script> <link rel="stylesheet" href="/common/canvas-tests.css"> <body class="show_output"> <h1>2d.clearRect.negative</h1> <p class="desc">clearRect of negative sizes works</p> <p class="output">Actual output:</p> <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> <p class="output expectedtext">Expected output:<p><img src="/images/clear-100x50.png" class="output expected" id="expected" alt=""> <ul id="d"></ul> <script> var t = async_test("clearRect of negative sizes works"); _addTest(function(canvas, ctx) { ctx.fillStyle = '#f00'; ctx.fillRect(0, 0, 100, 50); ctx.clearRect(0, 0, 50, 25); ctx.clearRect(100, 0, -50, 25); ctx.clearRect(0, 50, 50, -25); ctx.clearRect(100, 50, -50, -25); _assertPixel(canvas, 25,12, 0,0,0,0, "25,12", "0,0,0,0"); _assertPixel(canvas, 75,12, 0,0,0,0, "75,12", "0,0,0,0"); _assertPixel(canvas, 25,37, 0,0,0,0, "25,37", "0,0,0,0"); _assertPixel(canvas, 75,37, 0,0,0,0, "75,37", "0,0,0,0"); }); </script>