mirror of
https://github.com/denoland/deno.git
synced 2024-11-14 16:33:45 -05:00
35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
// Copyright 2018 the Deno authors. All rights reserved. MIT license.
|
|
import { test, assert, assertEqual } from "./test_util.ts";
|
|
|
|
test(async function blobString() {
|
|
const b1 = new Blob(["Hello World"]);
|
|
const str = "Test";
|
|
const b2 = new Blob([b1, str]);
|
|
assertEqual(b2.size, b1.size + str.length);
|
|
});
|
|
|
|
test(async function blobBuffer() {
|
|
const buffer = new ArrayBuffer(12);
|
|
const u8 = new Uint8Array(buffer);
|
|
const f1 = new Float32Array(buffer);
|
|
const b1 = new Blob([buffer, u8]);
|
|
assertEqual(b1.size, 2 * u8.length);
|
|
const b2 = new Blob([b1, f1]);
|
|
assertEqual(b2.size, 3 * u8.length);
|
|
});
|
|
|
|
test(async function blobSlice() {
|
|
const blob = new Blob(["Deno", "Foo"]);
|
|
const b1 = blob.slice(0, 3, "Text/HTML");
|
|
assert(b1 instanceof Blob);
|
|
assertEqual(b1.size, 3);
|
|
assertEqual(b1.type, "text/html");
|
|
const b2 = blob.slice(-1, 3);
|
|
assertEqual(b2.size, 0);
|
|
const b3 = blob.slice(100, 3);
|
|
assertEqual(b3.size, 0);
|
|
const b4 = blob.slice(0, 10);
|
|
assertEqual(b4.size, blob.size);
|
|
});
|
|
|
|
// TODO(qti3e) Test the stored data in a Blob after implementing FileReader API.
|