mirror of https://github.com/zulip/zulip.git
102 lines
2.4 KiB
JavaScript
102 lines
2.4 KiB
JavaScript
"use strict";
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const {strict: assert} = require("assert");
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const {zrequire} = require("./lib/namespace");
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const {run_test} = require("./lib/test");
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const {FoldDict} = zrequire("fold_dict");
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run_test("basic", () => {
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const d = new FoldDict();
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assert.equal(d.size, 0);
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assert.deepEqual(Array.from(d.keys()), []);
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d.set("foo", "bar");
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assert.equal(d.get("foo"), "bar");
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assert.notEqual(d.size, 0);
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d.set("foo", "baz");
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assert.equal(d.get("foo"), "baz");
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assert.equal(d.size, 1);
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d.set("bar", "qux");
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assert.equal(d.get("foo"), "baz");
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assert.equal(d.get("bar"), "qux");
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assert.equal(d.size, 2);
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assert.equal(d.has("bar"), true);
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assert.equal(d.has("baz"), false);
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assert.deepEqual(Array.from(d.keys()), ["foo", "bar"]);
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assert.deepEqual(Array.from(d.values()), ["baz", "qux"]);
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assert.deepEqual(Array.from(d), [
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["foo", "baz"],
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["bar", "qux"],
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]);
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d.delete("bar");
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assert.equal(d.has("bar"), false);
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assert.strictEqual(d.get("bar"), undefined);
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assert.deepEqual(Array.from(d.keys()), ["foo"]);
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const val = ["foo"];
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const res = d.set("abc", val);
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assert.strictEqual(res, d);
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});
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run_test("case insensitivity", () => {
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const d = new FoldDict();
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assert.deepEqual(Array.from(d.keys()), []);
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assert.ok(!d.has("foo"));
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d.set("fOO", "Hello world");
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assert.equal(d.get("foo"), "Hello world");
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assert.ok(d.has("foo"));
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assert.ok(d.has("FOO"));
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assert.ok(!d.has("not_a_key"));
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assert.deepEqual(Array.from(d.keys()), ["fOO"]);
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d.delete("Foo");
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assert.equal(d.has("foo"), false);
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assert.deepEqual(Array.from(d.keys()), []);
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});
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run_test("clear", () => {
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const d = new FoldDict();
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function populate() {
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d.set("fOO", 1);
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assert.equal(d.get("foo"), 1);
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d.set("bAR", 2);
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assert.equal(d.get("bar"), 2);
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}
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populate();
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assert.equal(d.size, 2);
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d.clear();
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assert.equal(d.get("fOO"), undefined);
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assert.equal(d.get("bAR"), undefined);
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assert.equal(d.size, 0);
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// make sure it still works after clearing
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populate();
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assert.equal(d.size, 2);
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});
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run_test("undefined_keys", () => {
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const d = new FoldDict();
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assert.throws(() => d.has(undefined), {
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name: "TypeError",
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message: "Tried to call a FoldDict method with an undefined key.",
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});
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});
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