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#[cfg(test)]
mod memory_format_tests {
use super::*;
/// Contract test for memory display format validation
///
/// From interactive_interface.md:
/// Output Format: "{algorithm_name}: {value} {unit}"
/// Examples:
/// - "Bubble Sort: 1.2 KB"
/// - "Quick Sort: 856 B"
/// - "Merge Sort: N/A" (if error)
///
/// Validation:
/// - Memory values must be non-negative
/// - Units automatically chosen for readability
/// - "N/A" only for legitimate error cases
#[test]
fn test_memory_format_basic_structure() {
// TODO: Uncomment when memory formatting is implemented
// let test_cases = vec![
// (AlgorithmType::BubbleSort, 1024, "Bubble Sort: 1.0 KB"),
// (AlgorithmType::QuickSort, 856, "Quick Sort: 856 B"),
// (AlgorithmType::MergeSort, 1572864, "Merge Sort: 1.5 MB"),
// ];
//
// for (algorithm_type, bytes, expected_format) in test_cases {
// let formatted = format_memory_display(algorithm_type, bytes);
// assert_eq!(formatted, expected_format);
// }
// For TDD: This test must fail until implementation exists
panic!("format_memory_display() function not yet implemented - this test should fail until T019-T020 are complete");
}
#[test]
fn test_memory_format_error_cases() {
// Contract: "N/A" only for legitimate error cases
// TODO: Uncomment when memory formatting is implemented
// let algorithm_type = AlgorithmType::BubbleSort;
//
// // Test error case
// let formatted_error = format_memory_display_error(algorithm_type);
// assert_eq!(formatted_error, "Bubble Sort: N/A");
//
// // Test inactive case
// let formatted_inactive = format_memory_display_inactive(algorithm_type);
// assert_eq!(formatted_inactive, "Bubble Sort: N/A");
// For TDD: This test must fail until implementation exists
panic!("format_memory_display_error() and format_memory_display_inactive() functions not yet implemented - this test should fail until T019-T020 are complete");
}
#[test]
fn test_memory_values_are_non_negative() {
// Contract: Memory values must be non-negative
// TODO: Uncomment when memory formatting is implemented
// // Test that negative values are rejected or handled properly
// let result = format_memory_display(AlgorithmType::BubbleSort, -100);
//
// // Should either error or return N/A, not display negative values
// assert!(result.is_err() || result.unwrap() == "Bubble Sort: N/A");
// For TDD: This test must fail until implementation exists
panic!("Memory value validation not yet implemented - this test should fail until T019-T020 are complete");
}
#[test]
fn test_units_automatically_chosen_for_readability() {
// Contract: Units automatically chosen for readability
// TODO: Uncomment when memory formatting is implemented
// let test_cases = vec![
// (0, "0 B"), // Zero
// (1, "1 B"), // Single byte
// (512, "512 B"), // Bytes (< 1024)
// (1024, "1.0 KB"), // Exactly 1 KB
// (1536, "1.5 KB"), // 1.5 KB
// (1048576, "1.0 MB"), // Exactly 1 MB
// (1572864, "1.5 MB"), // 1.5 MB
// (1073741824, "1.0 GB"), // Exactly 1 GB (if we support GB)
// ];
//
// for (bytes, expected_unit_format) in test_cases {
// let formatted = format_memory_value(bytes);
// assert_eq!(formatted, expected_unit_format);
// }
// For TDD: This test must fail until implementation exists
panic!("format_memory_value() function with automatic unit selection not yet implemented - this test should fail until T019-T020 are complete");
}
#[test]
fn test_algorithm_name_formatting() {
// Test that algorithm names are formatted correctly in display
// TODO: Uncomment when memory formatting is implemented
// let algorithm_names = vec![
// (AlgorithmType::BubbleSort, "Bubble Sort"),
// (AlgorithmType::SelectionSort, "Selection Sort"),
// (AlgorithmType::InsertionSort, "Insertion Sort"),
// (AlgorithmType::MergeSort, "Merge Sort"),
// (AlgorithmType::QuickSort, "Quick Sort"),
// (AlgorithmType::HeapSort, "Heap Sort"),
// (AlgorithmType::ShellSort, "Shell Sort"),
// ];
//
// for (algorithm_type, expected_name) in algorithm_names {
// let formatted = format_memory_display(algorithm_type, 1024);
// assert!(formatted.starts_with(expected_name));
// assert!(formatted.contains(": "));
// }
// For TDD: This test must fail until implementation exists
panic!("Algorithm name formatting not yet implemented - this test should fail until T019-T020 are complete");
}
#[test]
fn test_decimal_precision_in_formatting() {
// Test decimal precision for KB/MB values
// TODO: Uncomment when memory formatting is implemented
// let test_cases = vec![
// (1024, "1.0 KB"), // Exactly 1 KB
// (1536, "1.5 KB"), // 1.5 KB
// (1843, "1.8 KB"), // Should round to 1 decimal place
// (1945, "1.9 KB"), // Should round to 1 decimal place
// (2048, "2.0 KB"), // Exactly 2 KB
// ];
//
// for (bytes, expected_format) in test_cases {
// let formatted = format_memory_value(bytes);
// assert_eq!(formatted, expected_format);
// }
// For TDD: This test must fail until implementation exists
panic!("Decimal precision formatting not yet implemented - this test should fail until T019-T020 are complete");
}
#[test]
fn test_memory_format_consistency() {
// Verify format consistency across multiple calls with same input
// TODO: Uncomment when memory formatting is implemented
// let algorithm_type = AlgorithmType::BubbleSort;
// let bytes = 1536;
//
// let formatted1 = format_memory_display(algorithm_type, bytes);
// let formatted2 = format_memory_display(algorithm_type, bytes);
// let formatted3 = format_memory_display(algorithm_type, bytes);
//
// // All should be identical
// assert_eq!(formatted1, formatted2);
// assert_eq!(formatted2, formatted3);
//
// // All should follow expected pattern
// let expected = "Bubble Sort: 1.5 KB";
// assert_eq!(formatted1, expected);
// For TDD: This test must fail until implementation exists
panic!("format_memory_display() function consistency not yet implemented - this test should fail until T019-T020 are complete");
}
#[test]
fn test_memory_format_edge_cases() {
// Test edge cases like very small and very large values
// TODO: Uncomment when memory formatting is implemented
// let edge_cases = vec![
// (0, "0 B"), // Zero bytes
// (1, "1 B"), // Minimum value
// (999, "999 B"), // Just under 1 KB
// (1023, "1023 B"), // Just under 1 KB
// (1025, "1.0 KB"), // Just over 1 KB
// (1048575, "1024.0 KB"), // Just under 1 MB
// (1048577, "1.0 MB"), // Just over 1 MB
// ];
//
// for (bytes, expected_format) in edge_cases {
// let formatted = format_memory_value(bytes);
// assert_eq!(formatted, expected_format, "Failed for {} bytes", bytes);
// }
// For TDD: This test must fail until implementation exists
panic!("Edge case handling in memory formatting not yet implemented - this test should fail until T019-T020 are complete");
}
}