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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /dom/file/tests/test_fileapi_slice_image.html | |
| parent | Initial commit. (diff) | |
| download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/file/tests/test_fileapi_slice_image.html')
| -rw-r--r-- | dom/file/tests/test_fileapi_slice_image.html | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/dom/file/tests/test_fileapi_slice_image.html b/dom/file/tests/test_fileapi_slice_image.html new file mode 100644 index 0000000000..c873afa438 --- /dev/null +++ b/dom/file/tests/test_fileapi_slice_image.html @@ -0,0 +1,139 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test for File API + Slice</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script type="text/javascript" src="common_blob.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> + +<body> + +<p id="display"> + <canvas id=canvas width=1100 height=1100 hidden moz-opaque></canvas> + <canvas id=testcanvas hidden moz-opaque></canvas> +</p> + +<script type="text/javascript"> + +SimpleTest.waitForExplicitFinish(); +SimpleTest.requestLongerTimeout(4); + +// Create files containing data we'll test with. We'll want long +// strings to ensure they span multiple buffers while loading + +let canvasData; +let testBinaryData; + +function imageLoadHandler(event, resolve) { + let origcanvas = $("canvas"); + let testcanvas = $("testcanvas"); + let image = event.target; + is(image.naturalWidth, origcanvas.width, "width correct"); + is(image.naturalHeight, origcanvas.height, "height correct"); + + testcanvas.width = origcanvas.width; + testcanvas.height = origcanvas.height; + testcanvas.getContext("2d").drawImage(image, 0, 0); + // Do not use |is(testcanvas.toDataURL("image/png"), origcanvas.toDataURL("image/png"), "...");| that results in a _very_ long line. + let origDataURL = origcanvas.toDataURL("image/png"); + let testDataURL = testcanvas.toDataURL("image/png"); + is(testDataURL.length, origDataURL.length, + "Length of correct image data"); + ok(testDataURL == origDataURL, + "Content of correct image data"); + resolve(); +} + +createCanvasURL() +.then(data => { + for (var i = 0; i < 256; i++) { + testBinaryData += String.fromCharCode(i); + } + while (testBinaryData.length < 20000) { + testBinaryData += testBinaryData; + } + + canvasData = data; +}) + +// image in the middle +.then(() => { + return createFile(testBinaryData + canvasData + testBinaryData, "middleTestFile"); +}) + +// image in the middle - loader +.then(file => { + return new Promise(resolve => { + is(file.size, canvasData.length + testBinaryData.length * 2, "correct file size (middle)"); + + var img = new Image(); + img.src = URL.createObjectURL(file.slice(testBinaryData.length, + testBinaryData.length + canvasData.length)); + img.onload = event => { + imageLoadHandler(event, resolve); + } + }); +}) + +// image at start +.then(() => { + return createFile(canvasData + testBinaryData, "startTestFile"); +}) + +// image at start - loader +.then(file => { + return new Promise(resolve => { + is(file.size, canvasData.length + testBinaryData.length, "correct file size (start)"); + + var img = new Image(); + img.src = URL.createObjectURL(file.slice(0, canvasData.length)); + img.onload = event => { + imageLoadHandler(event, resolve); + } + }); +}) + +// image at end +.then(() => { + return createFile(testBinaryData + canvasData, "endTestFile"); +}) + +// image at end - loader +.then(file => { + return new Promise(resolve => { + is(file.size, canvasData.length + testBinaryData.length, "correct file size (end)"); + + var img = new Image(); + img.src = URL.createObjectURL(file.slice(testBinaryData.length, + testBinaryData.length + canvasData.length)); + img.onload = event => { + imageLoadHandler(event, resolve); + } + }); +}) + +// image past end +.then(() => { + return createFile(testBinaryData + canvasData, "pastEndTestFile"); +}) + +// image past end - loader +.then(file => { + return new Promise(resolve => { + is(file.size, canvasData.length + testBinaryData.length, "correct file size (end)"); + + var img = new Image(); + img.src = URL.createObjectURL(file.slice(testBinaryData.length, + testBinaryData.length + canvasData.length + 1000)); + img.onload = event => { + imageLoadHandler(event, resolve); + } + }); +}) + +.then(SimpleTest.finish); + +</script> +</body> +</html> |