Test diff bug fix.

my-bois/src/helpers/diff.test.js

@@ -14,6 +14,18 @@ const programWithWarmup = {
   cooldownCpm: 20,
 };
 
+const programGis = {
+  id: "P016e68afbab3720762a67aa30c7fdb9f",
+  name: "Gisle 2",
+  cpm: 30,
+  warmupMin: 5,
+  warmupCpm: 20,
+  level: 18,
+  warmupLevel: 16,
+  cooldownLevel: 16,
+  cooldownCpm: 20
+};
+
 describe('diffString', () => {
   it("should show a plus before zero", () => {
     expect(diffString(0)).toBe("+0");
@@ -86,4 +98,40 @@ describe("calculateDiff", () => {
 
     expect(diff).toBe(0);
   });
+
+  it("should require 50 calories after 2.5 min of GIS", () => {
+    const diff = calculateDiff({
+      program: programGis,
+      cooldownMin: -1,
+      minutes: 2,
+      seconds: 30,
+      calories: 53,
+    });
+
+    expect(diff).toBe(3);
+  });
+
+  it("should require 175 calories after 7.5 min of GIS", () => {
+    const diff = calculateDiff({
+      program: programGis,
+      cooldownMin: -1,
+      minutes: 7,
+      seconds: 30,
+      calories: 175,
+    });
+
+    expect(diff).toBe(0);
+  });
+
+  it("should require 310 calories after 12.5 min of GIS", () => {
+    const diff = calculateDiff({
+      program: programGis,
+      cooldownMin: 11,
+      minutes: 12,
+      seconds: 30,
+      calories: 311,
+    });
+
+    expect(diff).toBe(1);
+  });
 });