<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <html> <head> <title>File Handle Test</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="text/javascript;version=1.7"> function testSteps() { const name = window.location.pathname; var testBuffer = getRandomBuffer(100000); let request = indexedDB.open(name, 1); request.onerror = errorHandler; request.onsuccess = grabEventAndContinueHandler; let event = yield undefined; let db = event.target.result; db.onerror = errorHandler; request = db.createMutableFile("test.bin"); request.onerror = errorHandler; request.onsuccess = grabEventAndContinueHandler; event = yield undefined; let mutableFile = event.target.result; mutableFile.onerror = errorHandler; let fileHandle = mutableFile.open("readwrite"); request = fileHandle.write(testBuffer); request.onsuccess = grabEventAndContinueHandler; event = yield undefined; is(fileHandle.location, 100000, "Correct location"); for (let i = 0; i < 10; i++) { let location = fileHandle.location - 10000; fileHandle.location = location; request = fileHandle.truncate(); request.onsuccess = grabEventAndContinueHandler; event = yield undefined; is(fileHandle.location, location, "Correct location"); request = fileHandle.getMetadata({ size: true }); request.onsuccess = grabEventAndContinueHandler; event = yield undefined; is(event.target.result.size, location, "Correct size"); } request = fileHandle.write(testBuffer); request.onsuccess = grabEventAndContinueHandler; event = yield undefined; let location = fileHandle.location; for (let i = 0; i < 10; i++) { location -= 10000; request = fileHandle.truncate(location); request.onsuccess = grabEventAndContinueHandler; event = yield undefined; is(fileHandle.location, location, "Correct location"); request = fileHandle.getMetadata({ size: true }); request.onsuccess = grabEventAndContinueHandler; event = yield undefined; is(event.target.result.size, location, "Correct size"); } finishTest(); yield undefined; } </script> <script type="text/javascript;version=1.7" src="file.js"></script> <script type="text/javascript;version=1.7" src="helpers.js"></script> </head> <body onload="runTest();"></body> </html>