зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
2.0 KiB
HTML
52 строки
2.0 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>XMLHttpRequest: progress events grow response body size</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<link rel="help" href="https://xhr.spec.whatwg.org/#the-send()-method" data-tested-assertations="following::a[contains(@href,'#make-progress-notifications')]/.. following::a[contains(@href,'#make-progress-notifications')]/../following:p[1]" />
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<link rel="help" href="https://xhr.spec.whatwg.org/#make-progress-notifications" data-tested-assertations=".." />
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<link rel="help" href="https://xhr.spec.whatwg.org/#handler-xhr-onprogress" data-tested-assertations="/../.." />
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<link rel="help" href="https://xhr.spec.whatwg.org/#event-xhr-progress" data-tested-assertations="/../.." />
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</head>
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<div id="log"></div>
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<script>
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function doTest(test, expectedLengthComputable, expectedTotal, url) {
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var client = new XMLHttpRequest();
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var lastSize = 0;
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client.onprogress = test.step_func(function(e) {
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assert_equals(e.total, expectedTotal);
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assert_equals(e.lengthComputable, expectedLengthComputable);
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var currentSize = client.responseText.length;
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if (lastSize > 0 && currentSize > lastSize) {
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// growth from a positive size to bigger!
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test.done();
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}
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lastSize = currentSize;
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});
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client.onreadystatechange = test.step_func(function() {
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if (client.readyState === 4) {
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assert_unreached("onprogress not called multiple times, or response body did not grow.");
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}
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});
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client.open("GET", url);
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client.send(null);
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return client;
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}
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async_test(function () { doTest(this, false, 0, "resources/trickle.py?count=6&delay=150"); },
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document.title + ', unknown content-length');
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async_test(function () { doTest(this, true, 78, "resources/trickle.py?count=6&delay=150&specifylength=1"); },
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document.title + ', known content-length');
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</script>
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