Add multi key map tests

src/common/MultiKeyMap.test.ts

@@ -0,0 +1,69 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { assert } from 'chai';
+import { FourKeyMap, TwoKeyMap } from 'common/MultiKeyMap';
+
+const strictEqual = assert.strictEqual;
+
+describe('TwoKeyMap', () => {
+  let map: TwoKeyMap<number | string, number | string, string>;
+
+  beforeEach(() => {
+    map = new TwoKeyMap();
+  });
+
+  it('set, get', () => {
+    strictEqual(map.get(1, 2), undefined);
+    map.set(1, 2, 'foo');
+    strictEqual(map.get(1, 2), 'foo');
+    map.set(1, 3, 'bar');
+    strictEqual(map.get(1, 2), 'foo');
+    strictEqual(map.get(1, 3), 'bar');
+    map.set(2, 2, 'foo2');
+    map.set(2, 3, 'bar2');
+    strictEqual(map.get(1, 2), 'foo');
+    strictEqual(map.get(1, 3), 'bar');
+    strictEqual(map.get(2, 2), 'foo2');
+    strictEqual(map.get(2, 3), 'bar2');
+  });
+  it('clear', () => {
+    strictEqual(map.get(1, 2), undefined);
+    map.set(1, 2, 'foo');
+    strictEqual(map.get(1, 2), 'foo');
+    map.clear();
+    strictEqual(map.get(1, 2), undefined);
+  });
+});
+
+describe('FourKeyMap', () => {
+  let map: FourKeyMap<number | string, number | string, number | string, number | string, string>;
+
+  beforeEach(() => {
+    map = new FourKeyMap();
+  });
+
+  it('set, get', () => {
+    strictEqual(map.get(1, 2, 3, 4), undefined);
+    map.set(1, 2, 3, 4, 'foo');
+    strictEqual(map.get(1, 2, 3, 4), 'foo');
+    map.set(1, 3, 3, 4, 'bar');
+    strictEqual(map.get(1, 2, 3, 4), 'foo');
+    strictEqual(map.get(1, 3, 3, 4), 'bar');
+    map.set(2, 2, 3, 4, 'foo2');
+    map.set(2, 3, 3, 4, 'bar2');
+    strictEqual(map.get(1, 2, 3, 4), 'foo');
+    strictEqual(map.get(1, 3, 3, 4), 'bar');
+    strictEqual(map.get(2, 2, 3, 4), 'foo2');
+    strictEqual(map.get(2, 3, 3, 4), 'bar2');
+  });
+  it('clear', () => {
+    strictEqual(map.get(1, 2, 3, 4), undefined);
+    map.set(1, 2, 3, 4, 'foo');
+    strictEqual(map.get(1, 2, 3, 4), 'foo');
+    map.clear();
+    strictEqual(map.get(1, 2, 3, 4), undefined);
+  });
+});