Files
hakorune/tests/wasm_poc1_basic_operations.rs

259 lines
8.0 KiB
Rust

/*!
* Phase 8.2 PoC1 Integration Test - Basic WASM Arithmetic Operations
*
* Tests end-to-end MIR→WASM compilation and execution for:
* - Constant loading
* - Binary arithmetic (addition, subtraction, multiplication)
* - Print output
* - Return values
*/
use nyash_rust::mir::{
MirModule, MirFunction, FunctionSignature, MirType, EffectMask,
BasicBlock, BasicBlockId, ValueId, MirInstruction, ConstValue, BinaryOp
};
use nyash_rust::backend::wasm::WasmBackend;
#[test]
fn test_wasm_poc1_basic_arithmetic() {
// Build MIR equivalent to:
// function main() {
// %a = const 42
// %b = const 8
// %result = %a + %b
// print %result
// return %result
// }
let mut backend = WasmBackend::new();
let mir_module = build_arithmetic_mir_module();
// Generate WAT text for debugging
let wat_result = backend.compile_to_wat(mir_module.clone());
assert!(wat_result.is_ok(), "WAT generation should succeed");
let wat_text = wat_result.unwrap();
println!("Generated WAT:\n{}", wat_text);
// Debug: Print MIR instructions
if let Some(main_func) = mir_module.functions.get("main") {
if let Some(entry_block) = main_func.blocks.get(&main_func.entry_block) {
println!("MIR instructions ({}:", entry_block.instructions.len());
for (i, instruction) in entry_block.instructions.iter().enumerate() {
println!(" {}: {:?}", i, instruction);
}
// Check if any instruction is a Return
let has_return = entry_block.instructions.iter().any(|instr| matches!(instr, MirInstruction::Return { .. }));
println!("Has return instruction: {}", has_return);
}
}
// Verify WAT contains expected elements
assert!(wat_text.contains("(module"), "Should contain module declaration");
assert!(wat_text.contains("memory"), "Should contain memory declaration");
assert!(wat_text.contains("import"), "Should contain imports");
assert!(wat_text.contains("$main"), "Should contain main function");
assert!(wat_text.contains("i32.const 42"), "Should contain constant 42");
assert!(wat_text.contains("i32.const 8"), "Should contain constant 8");
assert!(wat_text.contains("i32.add"), "Should contain addition operation");
assert!(wat_text.contains("call $print"), "Should contain print call");
// Compile to WASM binary and execute
let wasm_result = backend.compile_module(mir_module);
if let Err(e) = &wasm_result {
println!("WASM compilation error: {}", e);
}
assert!(wasm_result.is_ok(), "WASM compilation should succeed");
let wasm_bytes = wasm_result.unwrap();
assert!(!wasm_bytes.is_empty(), "WASM bytes should not be empty");
// Execute with wasmtime
let execution_result = backend.execute_wasm(&wasm_bytes);
assert!(execution_result.is_ok(), "WASM execution should succeed");
let return_value = execution_result.unwrap();
assert_eq!(return_value, 50, "Should return 42 + 8 = 50");
}
#[test]
fn test_wasm_poc1_multiplication() {
// Test: 6 * 7 = 42
let mut backend = WasmBackend::new();
let mir_module = build_multiplication_mir_module();
let wasm_result = backend.compile_module(mir_module);
assert!(wasm_result.is_ok(), "WASM compilation should succeed");
let return_value = backend.execute_wasm(&wasm_result.unwrap()).unwrap();
assert_eq!(return_value, 42, "Should return 6 * 7 = 42");
}
#[test]
fn test_wasm_poc1_subtraction() {
// Test: 50 - 8 = 42
let mut backend = WasmBackend::new();
let mir_module = build_subtraction_mir_module();
let wasm_result = backend.compile_module(mir_module);
assert!(wasm_result.is_ok(), "WASM compilation should succeed");
let return_value = backend.execute_wasm(&wasm_result.unwrap()).unwrap();
assert_eq!(return_value, 42, "Should return 50 - 8 = 42");
}
/// Build MIR module for: 42 + 8
fn build_arithmetic_mir_module() -> MirModule {
let mut module = MirModule::new("test_arithmetic".to_string());
// Create main function signature
let main_signature = FunctionSignature {
name: "main".to_string(),
params: vec![],
return_type: MirType::Integer,
effects: EffectMask::PURE,
};
// Create entry block
let entry_block = BasicBlockId::new(0);
let mut main_function = MirFunction::new(main_signature, entry_block);
// Create basic block
let mut block = BasicBlock::new(entry_block);
// Generate value IDs
let val_a = ValueId::new(0); // 42
let val_b = ValueId::new(1); // 8
let result = ValueId::new(2); // 42 + 8
// Add instructions
block.add_instruction(MirInstruction::Const {
dst: val_a,
value: ConstValue::Integer(42),
});
block.add_instruction(MirInstruction::Const {
dst: val_b,
value: ConstValue::Integer(8),
});
block.add_instruction(MirInstruction::BinOp {
dst: result,
op: BinaryOp::Add,
lhs: val_a,
rhs: val_b,
});
block.add_instruction(MirInstruction::Print {
value: result,
effects: EffectMask::IO,
});
block.add_instruction(MirInstruction::Return {
value: Some(result),
});
// Debug: Print number of instructions
println!("Total instructions added: {}", block.instructions.len());
// Add block to function
main_function.add_block(block);
// Add function to module
module.add_function(main_function);
module
}
/// Build MIR module for: 6 * 7
fn build_multiplication_mir_module() -> MirModule {
let mut module = MirModule::new("test_multiplication".to_string());
let main_signature = FunctionSignature {
name: "main".to_string(),
params: vec![],
return_type: MirType::Integer,
effects: EffectMask::PURE,
};
let entry_block = BasicBlockId::new(0);
let mut main_function = MirFunction::new(main_signature, entry_block);
let mut block = BasicBlock::new(entry_block);
let val_a = ValueId::new(0); // 6
let val_b = ValueId::new(1); // 7
let result = ValueId::new(2); // 6 * 7
block.add_instruction(MirInstruction::Const {
dst: val_a,
value: ConstValue::Integer(6),
});
block.add_instruction(MirInstruction::Const {
dst: val_b,
value: ConstValue::Integer(7),
});
block.add_instruction(MirInstruction::BinOp {
dst: result,
op: BinaryOp::Mul,
lhs: val_a,
rhs: val_b,
});
block.add_instruction(MirInstruction::Return {
value: Some(result),
});
main_function.add_block(block);
module.add_function(main_function);
module
}
/// Build MIR module for: 50 - 8
fn build_subtraction_mir_module() -> MirModule {
let mut module = MirModule::new("test_subtraction".to_string());
let main_signature = FunctionSignature {
name: "main".to_string(),
params: vec![],
return_type: MirType::Integer,
effects: EffectMask::PURE,
};
let entry_block = BasicBlockId::new(0);
let mut main_function = MirFunction::new(main_signature, entry_block);
let mut block = BasicBlock::new(entry_block);
let val_a = ValueId::new(0); // 50
let val_b = ValueId::new(1); // 8
let result = ValueId::new(2); // 50 - 8
block.add_instruction(MirInstruction::Const {
dst: val_a,
value: ConstValue::Integer(50),
});
block.add_instruction(MirInstruction::Const {
dst: val_b,
value: ConstValue::Integer(8),
});
block.add_instruction(MirInstruction::BinOp {
dst: result,
op: BinaryOp::Sub,
lhs: val_a,
rhs: val_b,
});
block.add_instruction(MirInstruction::Return {
value: Some(result),
});
main_function.add_block(block);
module.add_function(main_function);
module
}