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WIP: add datasnapshot.test.ts
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‎tests/database/datasnapshot.test.ts

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import { expect } from "chai";
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import { nodeFromJSON } from "../../src/database/core/snap/nodeFromJSON";
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import { PRIORITY_INDEX } from "../../src/database/core/snap/indexes/PriorityIndex";
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import { getRandomNode } from "./helpers";
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import { DataSnapshot } from "../../src/database/api/DataSnapshot";
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import { Reference } from "../../src/database/api/Reference";
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describe.only("DataSnapshot Tests", function () {
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/** @return {!DataSnapshot} */
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var snapshotForJSON = function(json) {
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var dummyRef = <Reference>getRandomNode();
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return new DataSnapshot(nodeFromJSON(json), dummyRef, PRIORITY_INDEX);
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};
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it("DataSnapshot.hasChildren() works.", function() {
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var snap = snapshotForJSON({});
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expect(snap.hasChildren()).to.equal(false);
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snap = snapshotForJSON(5);
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expect(snap.hasChildren()).to.equal(false);
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snap = snapshotForJSON({'x': 5});
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expect(snap.hasChildren()).to.equal(true);
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});
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it("DataSnapshot.exists() works.", function() {
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var snap = snapshotForJSON({});
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expect(snap.exists()).to.equal(false);
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snap = snapshotForJSON({ '.priority':1 });
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expect(snap.exists()).to.equal(false);
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snap = snapshotForJSON(null);
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expect(snap.exists()).to.equal(false);
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snap = snapshotForJSON(true);
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expect(snap.exists()).to.equal(true);
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snap = snapshotForJSON(5);
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expect(snap.exists()).to.equal(true);
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snap = snapshotForJSON({'x': 5});
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expect(snap.exists()).to.equal(true);
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});
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it("DataSnapshot.val() works.", function() {
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var snap = snapshotForJSON(5);
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expect(snap.val()).to.equal(5);
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snap = snapshotForJSON({ });
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expect(snap.val()).to.equal(null);
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var json =
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{
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x: 5,
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y: {
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ya: 1,
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yb: 2,
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yc: { yca: 3 }
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}
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};
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snap = snapshotForJSON(json);
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expect(snap.val()).to.deep.equal(json);
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});
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it("DataSnapshot.child() works.", function() {
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var snap = snapshotForJSON({x: 5, y: { yy: 3, yz: 4}});
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expect(snap.child('x').val()).to.equal(5);
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expect(snap.child('y').val()).to.deep.equal({yy: 3, yz: 4});
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expect(snap.child('y').child('yy').val()).to.equal(3);
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expect(snap.child('y/yz').val()).to.equal(4);
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expect(snap.child('z').val()).to.equal(null);
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expect(snap.child('x/y').val()).to.equal(null);
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expect(snap.child('x').child('y').val()).to.equal(null)
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});
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it("DataSnapshot.hasChild() works.", function() {
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var snap = snapshotForJSON({x: 5, y: { yy: 3, yz: 4}});
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expect(snap.hasChild('x')).to.equal(true);
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expect(snap.hasChild('y/yy')).to.equal(true);
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expect(snap.hasChild('dinosaur')).to.equal(false);
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expect(snap.child('x').hasChild('anything')).to.equal(false);
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expect(snap.hasChild('x/anything/at/all')).to.equal(false);
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});
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it("DataSnapshot.key works.", function() {
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var snap = snapshotForJSON({a: { b: { c: 5 }}});
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expect(snap.child('a').key).to.equal('a');
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expect(snap.child('a/b/c').key).to.equal('c');
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expect(snap.child('/a/b/c/').key).to.equal('c');
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expect(snap.child('////a////b/c///').key).to.equal('c');
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expect(snap.child('///').key).to.equal(snap.key);
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// Should also work for nonexistent paths.
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expect(snap.child('/z/q/r/v/m').key).to.equal('m');
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});
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it("DataSnapshot.forEach() works: no priorities.", function() {
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var snap = snapshotForJSON({a: 1, z: 26, m: 13, n: 14, c: 3, b: 2, e: 5});
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var out = '';
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snap.forEach(function(child) {
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out = out + child.key + ':' + child.val() + ':';
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});
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expect(out).to.equal('a:1:b:2:c:3:e:5:m:13:n:14:z:26:');
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});
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it("DataSnapshot.forEach() works: numeric priorities.", function() {
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var snap = snapshotForJSON({
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a: {'.value': 1, '.priority': 26},
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z: {'.value': 26, '.priority': 1},
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m: {'.value': 13, '.priority': 14},
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n: {'.value': 14, '.priority': 12},
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c: {'.value': 3, '.priority': 24},
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b: {'.value': 2, '.priority': 25},
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e: {'.value': 5, '.priority': 22}});
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var out = '';
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snap.forEach(function(child) {
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out = out + child.key + ':' + child.val() + ':';
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});
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expect(out).to.equal('z:26:n:14:m:13:e:5:c:3:b:2:a:1:');
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});
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it("DataSnapshot.forEach() works: numeric priorities as strings.", function() {
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var snap = snapshotForJSON({
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a: {'.value': 1, '.priority': '26'},
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z: {'.value': 26, '.priority': '1'},
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m: {'.value': 13, '.priority': '14'},
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n: {'.value': 14, '.priority': '12'},
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c: {'.value': 3, '.priority': '24'},
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b: {'.value': 2, '.priority': '25'},
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e: {'.value': 5, '.priority': '22'}});
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var out = '';
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snap.forEach(function(child) {
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out = out + child.key + ':' + child.val() + ':';
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});
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expect(out).to.equal('z:26:n:14:m:13:e:5:c:3:b:2:a:1:');
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});
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it("DataSnapshot.forEach() works: alpha priorities.", function() {
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var snap = snapshotForJSON({
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a: {'.value': 1, '.priority': 'first'},
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z: {'.value': 26, '.priority': 'second'},
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m: {'.value': 13, '.priority': 'third'},
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n: {'.value': 14, '.priority': 'fourth'},
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c: {'.value': 3, '.priority': 'fifth'},
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b: {'.value': 2, '.priority': 'sixth'},
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e: {'.value': 5, '.priority': 'seventh'}});
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var out = '';
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snap.forEach(function(child) {
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out = out + child.key + ':' + child.val() + ':';
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});
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expect(out).to.equal('c:3:a:1:n:14:z:26:e:5:b:2:m:13:');
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});
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it("DataSnapshot.foreach() works: mixed alpha and numeric priorities", function() {
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var json = {
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"alpha42": {'.value': 1, '.priority': "zed" },
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"noPriorityC": {'.value': 1, '.priority': null },
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"num41": {'.value': 1, '.priority': 500 },
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"noPriorityB": {'.value': 1, '.priority': null },
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"num80": {'.value': 1, '.priority': 4000.1 },
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"num50": {'.value': 1, '.priority': 4000 },
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"num10": {'.value': 1, '.priority': 24 },
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"alpha41": {'.value': 1, '.priority': "zed" },
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"alpha20": {'.value': 1, '.priority': "horse" },
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"num20": {'.value': 1, '.priority': 123 },
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"num70": {'.value': 1, '.priority': 4000.01 },
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"noPriorityA": {'.value': 1, '.priority': null },
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"alpha30": {'.value': 1, '.priority': "tree" },
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"num30": {'.value': 1, '.priority': 300 },
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"num60": {'.value': 1, '.priority': 4000.001 },
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"alpha10": {'.value': 1, '.priority': "0horse" },
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"num42": {'.value': 1, '.priority': 500 },
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"alpha40": {'.value': 1, '.priority': "zed" },
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"num40": {'.value': 1, '.priority': 500 } };
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var snap = snapshotForJSON(json);
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var out = '';
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snap.forEach(function(child) {
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out = out + child.key + ', ';
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});
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expect(out).to.equal("noPriorityA, noPriorityB, noPriorityC, num10, num20, num30, num40, num41, num42, num50, num60, num70, num80, alpha10, alpha20, alpha30, alpha40, alpha41, alpha42, ");
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});
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it(".val() exports array-like data as arrays.", function() {
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var array = ['bob', 'and', 'becky', 'seem', 'really', 'nice', 'yeah?'];
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var snap = snapshotForJSON(array);
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var snapVal = snap.val();
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expect(snapVal).to.deep.equal(array);
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expect(snapVal instanceof Array).to.equal(true); // to.equal doesn't verify type.
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});
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it("DataSnapshot can be JSON serialized", function() {
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var json = {
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"foo": "bar",
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".priority": 1
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};
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var snap = snapshotForJSON(json);
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expect(JSON.parse(JSON.stringify(snap))).to.deep.equal(json);
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});
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});

‎tests/database/sortedmap.test.ts

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// Many of these were adapted from the mugs source code.
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// http://mads379.github.com/mugs/
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describe.only("SortedMap Tests", function() {
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describe("SortedMap Tests", function() {
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var defaultCmp = function(a, b) {
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if (a === b) {
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return 0;

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