Rename folders

expressions/src/data/dictionary.test.ts

@@ -0,0 +1,19 @@
+import {Dictionary} from "./dictionary";
+import {StringData} from "./string";
+
+describe("dictionary", () => {
+  it("pairs contains all values", () => {
+    const d = new Dictionary();
+    d.add("ABC", new StringData("val"));
+
+    expect(d.pairs()).toEqual([{key: "ABC", value: new StringData("val")}]);
+  });
+
+  it("does not add duplicate entries", () => {
+    const d = new Dictionary();
+    d.add("ABC", new StringData("val1"));
+    d.add("abc", new StringData("val2"));
+
+    expect(d.pairs()).toEqual([{key: "ABC", value: new StringData("val1")}]);
+  });
+});