/
binary_test.ts
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/
binary_test.ts
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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { assertEquals, assertThrowsAsync } from "../testing/asserts.ts";
import { UnexpectedEOFError } from "../io/bufio.ts";
import {
getNBytes,
putVarbig,
putVarnum,
readVarbig,
readVarnum,
sizeof,
varbig,
varnum,
writeVarbig,
writeVarnum
} from "./binary.ts";
Deno.test(async function testGetNBytes(): Promise<void> {
const data = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
const buff = new Deno.Buffer(data.buffer);
const rslt = await getNBytes(buff, 8);
assertEquals(rslt, data);
});
Deno.test(async function testGetNBytesThrows(): Promise<void> {
const data = new Uint8Array([1, 2, 3, 4]);
const buff = new Deno.Buffer(data.buffer);
assertThrowsAsync(async () => {
await getNBytes(buff, 8);
}, UnexpectedEOFError);
});
Deno.test(async function testPutVarbig(): Promise<void> {
const buff = new Uint8Array(8);
putVarbig(buff, 0xffeeddccbbaa9988n);
assertEquals(
buff,
new Uint8Array([0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88])
);
});
Deno.test(async function testPutVarbigLittleEndian(): Promise<void> {
const buff = new Uint8Array(8);
putVarbig(buff, 0x8899aabbccddeeffn, { endian: "little" });
assertEquals(
buff,
new Uint8Array([0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88])
);
});
Deno.test(async function testPutVarnum(): Promise<void> {
const buff = new Uint8Array(4);
putVarnum(buff, 0xffeeddcc);
assertEquals(buff, new Uint8Array([0xff, 0xee, 0xdd, 0xcc]));
});
Deno.test(async function testPutVarnumLittleEndian(): Promise<void> {
const buff = new Uint8Array(4);
putVarnum(buff, 0xccddeeff, { endian: "little" });
assertEquals(buff, new Uint8Array([0xff, 0xee, 0xdd, 0xcc]));
});
Deno.test(async function testReadVarbig(): Promise<void> {
const data = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
const buff = new Deno.Buffer(data.buffer);
const rslt = await readVarbig(buff);
assertEquals(rslt, 0x0102030405060708n);
});
Deno.test(async function testReadVarbigLittleEndian(): Promise<void> {
const data = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
const buff = new Deno.Buffer(data.buffer);
const rslt = await readVarbig(buff, { endian: "little" });
assertEquals(rslt, 0x0807060504030201n);
});
Deno.test(async function testReadVarnum(): Promise<void> {
const data = new Uint8Array([1, 2, 3, 4]);
const buff = new Deno.Buffer(data.buffer);
const rslt = await readVarnum(buff);
assertEquals(rslt, 0x01020304);
});
Deno.test(async function testReadVarnumLittleEndian(): Promise<void> {
const data = new Uint8Array([1, 2, 3, 4]);
const buff = new Deno.Buffer(data.buffer);
const rslt = await readVarnum(buff, { endian: "little" });
assertEquals(rslt, 0x04030201);
});
Deno.test(function testSizeof(): void {
assertEquals(1, sizeof("int8"));
assertEquals(1, sizeof("uint8"));
assertEquals(2, sizeof("int16"));
assertEquals(2, sizeof("uint16"));
assertEquals(4, sizeof("int32"));
assertEquals(4, sizeof("uint32"));
assertEquals(8, sizeof("int64"));
assertEquals(8, sizeof("uint64"));
assertEquals(4, sizeof("float32"));
assertEquals(8, sizeof("float64"));
});
Deno.test(function testVarbig(): void {
const data = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
const rslt = varbig(data);
assertEquals(rslt, 0x0102030405060708n);
});
Deno.test(function testVarbigLittleEndian(): void {
const data = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
const rslt = varbig(data, { endian: "little" });
assertEquals(rslt, 0x0807060504030201n);
});
Deno.test(function testVarnum(): void {
const data = new Uint8Array([1, 2, 3, 4]);
const rslt = varnum(data);
assertEquals(rslt, 0x01020304);
});
Deno.test(function testVarnumLittleEndian(): void {
const data = new Uint8Array([1, 2, 3, 4]);
const rslt = varnum(data, { endian: "little" });
assertEquals(rslt, 0x04030201);
});
Deno.test(async function testWriteVarbig(): Promise<void> {
const data = new Uint8Array(8);
const buff = new Deno.Buffer();
await writeVarbig(buff, 0x0102030405060708n);
await buff.read(data);
assertEquals(
data,
new Uint8Array([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08])
);
});
Deno.test(async function testWriteVarbigLittleEndian(): Promise<void> {
const data = new Uint8Array(8);
const buff = new Deno.Buffer();
await writeVarbig(buff, 0x0807060504030201n, { endian: "little" });
await buff.read(data);
assertEquals(
data,
new Uint8Array([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08])
);
});
Deno.test(async function testWriteVarnum(): Promise<void> {
const data = new Uint8Array(4);
const buff = new Deno.Buffer();
await writeVarnum(buff, 0x01020304);
await buff.read(data);
assertEquals(data, new Uint8Array([0x01, 0x02, 0x03, 0x04]));
});
Deno.test(async function testWriteVarnumLittleEndian(): Promise<void> {
const data = new Uint8Array(4);
const buff = new Deno.Buffer();
await writeVarnum(buff, 0x04030201, { endian: "little" });
await buff.read(data);
assertEquals(data, new Uint8Array([0x01, 0x02, 0x03, 0x04]));
});
Deno.runTests();