Unit Test Case for bytesAsGB (number.ts)

frontend/src/utilities/__tests__/number.spec.ts

@@ -0,0 +1,18 @@
+import { bytesAsGB } from '~/utilities/number';
+
+describe('bytesAsGB', () => {
+  it('should return 0 for NaN input', () => {
+    const resultNaN = bytesAsGB(NaN);
+    expect(resultNaN).toBe(0);
+  });
+
+  it('should convert bytes to gigabytes and round to 1 decimal place when greater than or equal to 0.1 GB', () => {
+    const result1GB = bytesAsGB(1024 * 1024 * 1024);
+    expect(result1GB).toBe(1);
+  });
+
+  it('should round to 2 decimal places when less than 0.1 GB', () => {
+    const result01GB = bytesAsGB(100 * 1024 * 1024);
+    expect(result01GB).toBe(0.1);
+  });
+});