prep delete for "pyro" test cases

crates/pyrometer/tests/test_data/delete.sol

@@ -135,4 +135,71 @@ contract ComplexDelete {
     function clearAllEducationHistory(uint256 userId) public {
         delete users[userId].educationHistory;
     }
+
+}
+
+contract UseComplexDelete {
+    ComplexDelete t;
+
+    constructor() {
+        t = new ComplexDelete();
+    }
+
+    function useIt() public {
+        // Add users
+        t.addUser(1, "Alice", "[email protected]", "1234567890");
+        t.addUser(2, "Bob", "[email protected]", "0987654321");
+
+        // Add addresses
+        t.addUserAddress(1, "123 Main St", "New York", "USA", 10001);
+        t.addUserAddress(1, "456 Elm St", "Los Angeles", "USA", 90001);
+        t.addUserAddress(2, "789 Oak St", "Chicago", "USA", 60601);
+
+        // Add employment history
+        t.addEmploymentHistory(1, "TechCorp", "Developer", 1609459200, 1640995200);
+        t.addEmploymentHistory(1, "WebSoft", "Senior Developer", 1641081600, 0);
+        t.addEmploymentHistory(2, "DataFirm", "Analyst", 1577836800, 0);
+
+        // Add education history
+        t.addEducationHistory(1, "Tech University", "BSc Computer Science", 2020);
+        t.addEducationHistory(2, "Data College", "MSc Data Science", 2019);
+
+        // Set preferences
+        t.setUserPreference(1, "receiveNewsletter", true);
+        t.setUserPreference(1, "darkMode", false);
+        t.setUserPreference(2, "receiveNewsletter", false);
+
+        // Test deletions and updates
+
+        // Delete an address
+        t.deleteUserAddress(1, 0);
+
+        // Delete employment history
+        t.deleteEmploymentHistory(1, 0);
+
+        // Delete education history
+        t.deleteEducationHistory(2, 0);
+
+        // Delete user preference
+        t.deleteUserPreference(1, "darkMode");
+
+        // Update contact info
+        t.updateContactInfo(2, "[email protected]", "1122334455");
+
+        // Clear all addresses for a user
+        t.clearAllUserAddresses(1);
+
+        // Clear all employment history for a user
+        t.clearAllEmploymentHistory(2);
+
+        // Clear all education history for a user
+        t.clearAllEducationHistory(1);
+
+        // Delete an entire user
+        t.deleteUser(1);
+
+        // Add a new user to test after deletions
+        t.addUser(3, "Charlie", "[email protected]", "5556667777");
+        t.addUserAddress(3, "321 Pine St", "San Francisco", "USA", 94101);
+    }
 }