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const { test } = Deno;import { assertEquals } from "../test_deps.ts";import { encode } from "../encode.ts";
// internally `encode` uses `getTimezoneOffset` to encode Date// so for testing purposes we'll be overriding itconst _getTimezoneOffset = Date.prototype.getTimezoneOffset;
function resetTimezoneOffset() {  Date.prototype.getTimezoneOffset = _getTimezoneOffset;}
function overrideTimezoneOffset(offset: number) {  Date.prototype.getTimezoneOffset = function () {    return offset;  };}
test("encodeDatetime", function () {  // GMT  overrideTimezoneOffset(0);
  const gmtDate = new Date(2019, 1, 10, 20, 30, 40, 5);  const gmtEncoded = encode(gmtDate);  assertEquals(gmtEncoded, "2019-02-10T20:30:40.005+00:00");
  resetTimezoneOffset();
  // GMT+02:30  overrideTimezoneOffset(-150);
  const date = new Date(2019, 1, 10, 20, 30, 40, 5);  const encoded = encode(date);  assertEquals(encoded, "2019-02-10T20:30:40.005+02:30");
  resetTimezoneOffset();});
test("encodeUndefined", function () {  assertEquals(encode(undefined), null);});
test("encodeNull", function () {  assertEquals(encode(null), null);});
test("encodeBoolean", function () {  assertEquals(encode(true), "true");  assertEquals(encode(false), "false");});
test("encodeNumber", function () {  assertEquals(encode(1), "1");  assertEquals(encode(1.2345), "1.2345");});
test("encodeString", function () {  assertEquals(encode("deno-postgres"), "deno-postgres");});
test("encodeObject", function () {  assertEquals(encode({ x: 1 }), '{"x":1}');});
test("encodeUint8Array", function () {  const buf1 = new Uint8Array([1, 2, 3]);  const buf2 = new Uint8Array([2, 10, 500]);
  assertEquals("\\x010203", encode(buf1));  assertEquals("\\x02af4", encode(buf2));});
test("encodeArray", function () {  const array = [null, "postgres", 1, ["foo", "bar"]];  const encodedArray = encode(array);
  assertEquals(encodedArray, '{NULL,"postgres","1",{"foo","bar"}}');});
test("encodeObjectArray", function () {  const array = [{ x: 1 }, { y: 2 }];  const encodedArray = encode(array);  assertEquals(encodedArray, '{"{\\"x\\":1}","{\\"y\\":2}"}');});
test("encodeDateArray", function () {  overrideTimezoneOffset(0);
  const array = [new Date(2019, 1, 10, 20, 30, 40, 5)];  const encodedArray = encode(array);  assertEquals(encodedArray, '{"2019-02-10T20:30:40.005+00:00"}');
  resetTimezoneOffset();});