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36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
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// Copyright 2018 the Deno authors. All rights reserved. MIT license.
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import { test, assert, assertEqual } from "./test_util.ts";
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test(async function blobString() {
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const b1 = new Blob(["Hello World"]);
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const str = "Test";
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const b2 = new Blob([b1, str]);
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assertEqual(b2.size, b1.size + str.length);
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});
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test(async function blobBuffer() {
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const buffer = new ArrayBuffer(12);
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const u8 = new Uint8Array(buffer);
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const f1 = new Float32Array(buffer);
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const b1 = new Blob([buffer, u8]);
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assertEqual(b1.size, 2 * u8.length);
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const b2 = new Blob([b1, f1]);
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assertEqual(b2.size, 3 * u8.length);
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});
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test(async function blobSlice() {
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const blob = new Blob(["Deno", "Foo"]);
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const b1 = blob.slice(0, 3, "Text/HTML");
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assert(b1 instanceof Blob);
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assertEqual(b1.size, 3);
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assertEqual(b1.type, "text/html");
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const b2 = blob.slice(-1, 3);
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assertEqual(b2.size, 0);
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const b3 = blob.slice(100, 3);
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assertEqual(b3.size, 0);
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const b4 = blob.slice(0, 10);
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assertEqual(b4.size, blob.size);
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});
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// TODO(qti3e) Test the stored data in a Blob after implementing FileReader API.
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