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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /image/test/mochitest/test_bug478398.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | uxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'image/test/mochitest/test_bug478398.html')
| -rw-r--r-- | image/test/mochitest/test_bug478398.html | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/image/test/mochitest/test_bug478398.html b/image/test/mochitest/test_bug478398.html new file mode 100644 index 0000000000..a583f93a8a --- /dev/null +++ b/image/test/mochitest/test_bug478398.html @@ -0,0 +1,85 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=478398 +--> +<head> + <title>Test for Bug 478398</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <script type="text/javascript" src="imgutils.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=478398">Mozilla Bug 478398</a> +<pre id="test"> +<script class="testbody" type="text/javascript"> + +/** Test for Bug 399925. **/ +var oldTimeoutPref; +var oldDiscardPref; +SimpleTest.waitForExplicitFinish(); +window.onload = stage1; +var imageFilename = "bug478398_ONLY.png"; + +function stage1() +{ + // Get the current pref values + oldTimeoutPref = getImagePref(DISCARD_TIMEOUT_PREF); + oldDiscardPref = getImagePref(DISCARD_ENABLED_PREF); + + // We're testing discarding here + setImagePref(DISCARD_ENABLED_PREF, true); + + // Sets the discard timer to 500 ms (max timeout = 2*500ms = 1s) + setImagePref(DISCARD_TIMEOUT_PREF, 500); + + // Create the image _after_ setting the discard timer pref + // This image was carefully constructed to make it a "big win" for discarding, + // so any reasonable heuristic should still discard it. + var image = new Image(); + image.setAttribute("id", "testimage"); + image.style.display = "none"; + image.src = imageFilename; + + // Put the image into the document + document.body.appendChild(image); + + // Wait for load, then do stage2 + image.onload = stage2; +} + +function stage2() +{ + // Make sure we're loaded + ok(isImageLoaded("testimage"), "image should be loaded"); + + // We're loaded - force a synchronous decode + forceDecode("testimage"); + + // We should be decoded + ok(isFrameDecoded("testimage"), "image should be decoded"); + + // Wait 1.5 seconds, then finish the test + setTimeout("finishTest();", 1500); + +} + +function finishTest() +{ + // The image should be discarded by now + ok(!isFrameDecoded("testimage"), "image should have been discarded!"); + + // Reset the prefs + setImagePref(DISCARD_TIMEOUT_PREF, oldTimeoutPref); + setImagePref(DISCARD_ENABLED_PREF, oldDiscardPref); + + // Finish the test + SimpleTest.finish(); +} + + +</script> +</pre> +</body> +</html> + |