forked from mirrors/gecko-dev
a76e7cdcdc
Automatic update from web-platform-tests Add tests for Blob.prototype.bytes() For https://github.com/w3c/FileAPI/pull/198. -- wpt-commits: cceaf3628da950621004d9b5d8c1d1f367073347 wpt-pr: 46232
68 lines
2.4 KiB
HTML
68 lines
2.4 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Blob methods from detached frame work as expected</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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<iframe id="emptyDocumentIframe" src="../support/empty-document.html"></iframe>
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<script>
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const BlobPrototypeFromDetachedFramePromise = new Promise(resolve => {
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emptyDocumentIframe.onload = () => {
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const BlobPrototype = emptyDocumentIframe.contentWindow.Blob.prototype;
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emptyDocumentIframe.remove();
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resolve(BlobPrototype);
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};
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});
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const charCodeArrayToString = charCodeArray => Array.from(charCodeArray, c => String.fromCharCode(c)).join("");
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const charCodeBufferToString = charCodeBuffer => charCodeArrayToString(new Uint8Array(charCodeBuffer));
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promise_test(async () => {
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const { slice } = await BlobPrototypeFromDetachedFramePromise;
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const blob = new Blob(["foobar"]);
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const slicedBlob = slice.call(blob, 1, 3);
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assert_true(slicedBlob instanceof Blob);
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assert_equals(await slicedBlob.text(), "oo");
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assert_equals(charCodeBufferToString(await slicedBlob.arrayBuffer()), "oo");
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assert_equals(charCodeArrayToString(await slicedBlob.bytes()), "oo");
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const reader = slicedBlob.stream().getReader();
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const { value } = await reader.read();
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assert_equals(charCodeArrayToString(value), "oo");
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}, "slice()");
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promise_test(async () => {
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const { text } = await BlobPrototypeFromDetachedFramePromise;
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const blob = new Blob(["foo"]);
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assert_equals(await text.call(blob), "foo");
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}, "text()");
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promise_test(async () => {
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const { arrayBuffer } = await BlobPrototypeFromDetachedFramePromise;
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const blob = new Blob(["bar"]);
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const charCodeBuffer = await arrayBuffer.call(blob);
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assert_equals(charCodeBufferToString(charCodeBuffer), "bar");
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}, "arrayBuffer()");
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promise_test(async () => {
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const { bytes } = await BlobPrototypeFromDetachedFramePromise;
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const blob = new Blob(["bar"]);
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const charCodeBytes = await bytes.call(blob);
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assert_equals(charCodeArrayToString(charCodeBytes), "bar");
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}, "bytes()");
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promise_test(async () => {
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const { stream } = await BlobPrototypeFromDetachedFramePromise;
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const blob = new Blob(["baz"]);
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const reader = stream.call(blob).getReader();
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const { value } = await reader.read();
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assert_equals(charCodeArrayToString(value), "baz");
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}, "stream()");
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</script>
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