Quelle test_bug1215072.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/canvas/test/test_bug1215072.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Test for Bug 1215072</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">

  /** Test for Bug 1215072 **/
  try {
    var gl = document.createElement("canvas")
                     .getContext("webgl", { get stencil() { throw "bah (webgl)"; } });
    ok(!gl, "Either should have thrown or not create a webgl context!");
  } catch(ex) {
    is(ex, "bah (webgl)", "Should have thrown an exception.");
  }

  try {
    var c = document.createElement("canvas")
                    .getContext("2d", { get alpha() {throw "bah (2d)"; } });
    ok(!c, "Either should have thrown or not create a 2d context!");
  } catch(ex) {
    is(ex, "bah (2d)", "Should have thrown an exception.");
  }

  var gl2;
  try {
    gl2 = document.createElement("canvas").getContext("webgl", false);
    gl2 = document.createElement("canvas").getContext("webgl", 123);
    gl2 = document.createElement("canvas").getContext("webgl", "");
    gl2 = document.createElement("canvas").getContext("webgl", undefined);
    gl2 = document.createElement("canvas").getContext("webgl", null);
    ok(true, "Shouldn't have thrown an exception!");
  } catch(ex) {
    ok(false, "Shouldn't have thrown an exception " + ex);
  }

  var c2;
  try {
    c2 = document.createElement("canvas").getContext("2d", false);
    is(c2.getImageData(1, 1, 1, 1).data[0], 0);
    is(c2.getImageData(1, 1, 1, 1).data[1], 0);
    is(c2.getImageData(1, 1, 1, 1).data[2], 0);
    is(c2.getImageData(1, 1, 1, 1).data[3], 0);

    c2 = document.createElement("canvas").getContext("2d", 123);
    c2 = document.createElement("canvas").getContext("2d", "");
    c2 = document.createElement("canvas").getContext("2d", undefined);
    c2 = document.createElement("canvas").getContext("2d", null);
    ok(true, "Shouldn't have thrown an exception!");

    c2 = document.createElement("canvas").getContext("2d", { alpha: false });
    is(c2.getImageData(1, 1, 1, 1).data[0], 0);
    is(c2.getImageData(1, 1, 1, 1).data[1], 0);
    is(c2.getImageData(1, 1, 1, 1).data[2], 0);
    is(c2.getImageData(1, 1, 1, 1).data[3], 255);
  } catch(ex) {
    ok(false, "Shouldn't have thrown an exception " + ex);
  }

  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1215072">Mozilla Bug 1215072</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
</pre>
</body>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.0 Sekunden (vorverarbeitet am 2026-06-09) ¤

Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.