use prometeu_compiler::ir_core::const_pool::{ConstPool, ConstantValue};
use prometeu_compiler::ir_core::ids::ConstId;

#[test]
fn test_const_pool_deduplication() {
    let mut pool = ConstPool::new();
    
    let id1 = pool.insert(ConstantValue::Int(42));
    let id2 = pool.insert(ConstantValue::String("hello".to_string()));
    let id3 = pool.insert(ConstantValue::Int(42));
    
    assert_eq!(id1, id3);
    assert_ne!(id1, id2);
    assert_eq!(pool.constants.len(), 2);
}

#[test]
fn test_const_pool_deterministic_assignment() {
    let mut pool = ConstPool::new();
    
    let id0 = pool.insert(ConstantValue::Int(10));
    let id1 = pool.insert(ConstantValue::Int(20));
    let id2 = pool.insert(ConstantValue::Int(30));
    
    assert_eq!(id0, ConstId(0));
    assert_eq!(id1, ConstId(1));
    assert_eq!(id2, ConstId(2));
}

#[test]
fn test_const_pool_serialization() {
    let mut pool = ConstPool::new();
    pool.insert(ConstantValue::Int(42));
    pool.insert(ConstantValue::String("test".to_string()));
    pool.insert(ConstantValue::Float(3.14));
    
    let json = serde_json::to_string_pretty(&pool).unwrap();
    
    // Check for deterministic shape in JSON
    assert!(json.contains("\"Int\": 42"));
    assert!(json.contains("\"String\": \"test\""));
    assert!(json.contains("\"Float\": 3.14"));
}