WIP: math parser

2kyu/evaluate-mathematical-expression/tests.ts

@@ -0,0 +1,24 @@
+import { calc } from './solution';
+import { expect } from "chai";
+
+var tests: [string, number][] = [
+  ['1+1', 2],
+  ['1 - 1', 0],
+  ['1* 1', 1],
+  ['1 /1', 1],
+  ['-123', -123],
+  ['123', 123],
+  ['2 /2+3 * 4.75- -6', 21.25],
+  ['12* 123', 1476],
+  ['2 / (2 + 3) * 4.33 - -6', 7.732],
+];
+
+describe("calc", function() {
+  it("should evaluate correctly", () => {
+    tests.forEach(function(m) {
+      var x = calc(m[0]);
+      var y = m[1];
+      expect(x).to.equal(y, 'Expected: "' + m[0] + '" to be ' + y + ' but got ' + x);
+    });
+  });
+});