<!DOCTYPE html> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1205027 --> <head> <title>Test for images intrinsic size while load is pending</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <style> body { margin: 0; } img { display: block; } </style> <script> SimpleTest.waitForExplicitFinish(); var initialOffsetTop; var finalOffsetTop; function report() { finalOffsetTop = marker.offsetTop; is(initialOffsetTop, 0, "initial offsetTop: " + initialOffsetTop); is(finalOffsetTop, 8, "final offsetTop: " + finalOffsetTop); ok(initialOffsetTop < finalOffsetTop, "offsetTop should get larger."); SimpleTest.finish(); } function fail() { ok(false, "image loading should not fail."); } </script> </head> <body onload="report();"> <!-- Bunch of tiny images: --> <img src="file_SlowImage.sjs" onerror="fail();"> <img src="file_SlowImage.sjs" onerror="fail();"> <img src="file_SlowImage.sjs" onerror="fail();"> <img src="file_SlowImage.sjs" onerror="fail();"> <img src="file_SlowImage.sjs" onerror="fail();"> <img src="file_SlowImage.sjs" onerror="fail();"> <img src="file_SlowImage.sjs" onerror="fail();"> <img src="file_SlowImage.sjs" onerror="fail();"> <div id="marker">Marker div</div> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1205027">Mozilla Bug 1205027</a> <script> initialOffsetTop = marker.offsetTop; // prompt the sjs "server" to proceed to serve data to our <img> elements var img = new Image(); img.onerror = fail; img.src = "file_SlowImage.sjs?continue"; </script> </body> </html>