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feat(std/encoding/binary): add varnumBytes(), varbigBytes() (#5173)

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Oliver Lenehan 2020-06-09 08:58:55 +10:00 • committed by GitHub
parent 5e01e14f08
commit 6f22bc8278
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2 changed files with 79 additions and 27 deletions
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28
std/encoding/binary_test.ts
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@ -12,6 +12,8 @@ import {
varnum,
writeVarbig,
writeVarnum,
varbigBytes,
varnumBytes,
} from "./binary.ts";
Deno.test("testGetNBytes", async function (): Promise<void> {
@ -160,3 +162,29 @@ Deno.test("testWriteVarnumLittleEndian", async function (): Promise<void> {
await buff.read(data);
assertEquals(data, new Uint8Array([0x01, 0x02, 0x03, 0x04]));
});
Deno.test("testVarbigBytes", function (): void {
const rslt = varbigBytes(0x0102030405060708n);
assertEquals(
rslt,
new Uint8Array([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08])
);
});
Deno.test("testVarbigBytesLittleEndian", function (): void {
const rslt = varbigBytes(0x0807060504030201n, { endian: "little" });
assertEquals(
rslt,
new Uint8Array([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08])
);
});
Deno.test("testVarnumBytes", function (): void {
const rslt = varnumBytes(0x01020304);
assertEquals(rslt, new Uint8Array([0x01, 0x02, 0x03, 0x04]));
});
Deno.test("testVarnumBytesLittleEndian", function (): void {
const rslt = varnumBytes(0x04030201, { endian: "little" });
assertEquals(rslt, new Uint8Array([0x01, 0x02, 0x03, 0x04]));
});