QACS Inventory Management

Test Cases

• Test 1: Sale ID: 1001, Item ID: 1, Quantity: 2 (should succeed)
• Test 2: Sale ID: 1002, Item ID: 2, Quantity: 100 (should fail - insufficient inventory)
• Test 3: Sale ID: 1003, Item ID: 3, Quantity: 45 (should succeed with reorder warning)
• Test 4: Sale ID: 1004, Multiple Items:
  • Item ID: 1, Quantity: 5
  • Item ID: 2, Quantity: 10
  (should process both items in one transaction)