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var Similar = require('../src/similar'); describe("simple key", () => { var similar = new Similar(), entry = { key: 'stringkey', val: 'stringval' }; similar.set(entry.key, entry.val); similar.delete(entry.key); it("has proper length", () => { expect(similar.list.length).toEqual(0); }); it("has proper size", () => { expect(similar.size).toEqual(0); }); it("has proper lastItem", () => { expect(similar.lastItem).toEqual(undefined); }); it("resolves has() correctly", () => { expect(similar.has(entry.key)).toEqual(false); expect(similar.has(undefined)).toEqual(false); }); it("resolves get() correctly", () => { expect(similar.get(entry.key)).toEqual(undefined); }); }); describe("NaN key", () => { var similar = new Similar(), entry1 = { key: NaN, val: { prop: 'propval' } }, entry2 = { key: ['x','y'], val: { prop: 'propval2' } }; similar.set(entry1.key, entry1.val); similar.set(entry2.key, entry2.val); similar.delete(entry1.key); it("has proper length", () => { expect(similar.list.length).toEqual(1); }); it("has proper size", () => { expect(similar.size).toEqual(1); }); it("has proper lastItem", () => { expect(similar.lastItem.key).toEqual(entry2.key); }); it("resolves entry1 has() correctly", () => { expect(similar.has(entry1.key)).toEqual(false); }); it("resolves entry1 get() correctly", () => { expect(similar.get(entry1.key)).toEqual(undefined); }); it("resolves entry2 has() correctly", () => { expect(similar.has(entry2.key)).toEqual(true); }); it("resolves entry2 get() correctly", () => { expect(similar.get(entry2.key)).toEqual(entry2.val); }); if (!!Map) { var map = new Map(); map.set(entry1.key, entry1.val); map.set(entry2.key, entry2.val); map.delete(entry1.key); it("matches Map entry1 has() correctly", () => { expect(similar.has(entry1.key)).toEqual(map.has(entry1.key)); }); it("matches Map entry1 get() correctly", () => { expect(similar.get(entry1.key)).toEqual(map.get(entry1.key)); }); it("matches Map entry2 has() correctly", () => { expect(similar.has(entry2.key)).toEqual(similar.has(entry2.key)); }); it("matches Map entry2 get() correctly", () => { expect(similar.get(entry2.key)).toEqual(similar.get(entry2.key)); }); } }); describe("complex key", () => { var similar = new Similar(), entry1 = { key: ['a','b'], val: { prop: 'propval' } }, entry2 = { key: ['x','y'], val: { prop: 'propval2' } }; similar.set(entry1.key, entry1.val); similar.set(entry2.key, entry2.val); similar.delete(entry1.key); it("has proper length", () => { expect(similar.list.length).toEqual(1); }); it("has proper size", () => { expect(similar.size).toEqual(1); }); it("has proper lastItem", () => { expect(similar.lastItem.key).toEqual(entry2.key); }); it("resolves entry1 has() correctly", () => { expect(similar.has(entry1.key)).toEqual(false); }); it("resolves entry1 get() correctly", () => { expect(similar.get(entry1.key)).toEqual(undefined); }); it("resolves entry2 has() correctly", () => { expect(similar.has(entry2.key)).toEqual(true); }); it("resolves entry2 get() correctly", () => { expect(similar.get(entry2.key)).toEqual(entry2.val); }); if (!!Map) { var map = new Map(); map.set(entry1.key, entry1.val); map.set(entry2.key, entry2.val); map.delete(entry1.key); it("matches Map entry1 has() correctly", () => { expect(similar.has(entry1.key)).toEqual(map.has(entry1.key)); }); it("matches Map entry1 get() correctly", () => { expect(similar.get(entry1.key)).toEqual(map.get(entry1.key)); }); it("matches Map entry2 has() correctly", () => { expect(similar.has(entry2.key)).toEqual(similar.has(entry2.key)); }); it("matches Map entry2 get() correctly", () => { expect(similar.get(entry2.key)).toEqual(similar.get(entry2.key)); }); } }); describe("from empty cache", () => { var similar = new Similar(), entry = { key: 'stringkey', val: 'stringval' }; similar.delete(entry.key); it("has proper length", () => { expect(similar.list.length).toEqual(0); }); it("has proper size", () => { expect(similar.size).toEqual(0); }); it("has proper lastItem", () => { expect(similar.lastItem).toEqual(undefined); }); it("resolves has() correctly", () => { expect(similar.has(entry.key)).toEqual(false); expect(similar.has(undefined)).toEqual(false); }); it("resolves get() correctly", () => { expect(similar.get(entry.key)).toEqual(undefined); }); if (!!Map) { var map = new Map(); map.delete(entry.key); it("resolves has() correctly", () => { expect(map.has(entry.key)).toEqual(false); expect(map.has(undefined)).toEqual(false); }); it("resolves get() correctly", () => { expect(map.get(entry.key)).toEqual(undefined); }); } });