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feat: expose writeAll() and writeAllSync() (#2298)

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Symmetric with `readAll()` and `readAllSync()`. Also used in `xeval`.
Also correct usage in `writeFile()`/`writeFileSync()`.
This commit is contained in:
Kevin (Kun) "Kassimo" Qian 2019-07-23 08:16:39 -07:00 • committed by Ryan Dahl
parent 70de8dd51d
commit e49d1e16ca
5 changed files with 46 additions and 17 deletions
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24
js/buffer_test.ts
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@ -5,7 +5,7 @@
// https://github.com/golang/go/blob/master/LICENSE
import { assertEquals, test } from "./test_util.ts";
const { Buffer, readAll, readAllSync } = Deno;
const { Buffer, readAll, readAllSync, writeAll, writeAllSync } = Deno;
type Buffer = Deno.Buffer;
// N controls how many iterations of certain checks are performed.
@ -253,3 +253,25 @@ test(function testReadAllSync(): void {
assertEquals(testBytes[i], actualBytes[i]);
}
});
test(async function testWriteAll(): Promise<void> {
init();
const writer = new Buffer();
await writeAll(writer, testBytes);
const actualBytes = writer.bytes();
assertEquals(testBytes.byteLength, actualBytes.byteLength);
for (let i = 0; i < testBytes.length; ++i) {
assertEquals(testBytes[i], actualBytes[i]);
}
});
test(function testWriteAllSync(): void {
init();
const writer = new Buffer();
writeAllSync(writer, testBytes);
const actualBytes = writer.bytes();
assertEquals(testBytes.byteLength, actualBytes.byteLength);
for (let i = 0; i < testBytes.length; ++i) {
assertEquals(testBytes[i], actualBytes[i]);
}
});