leo/compiler/tests/conditional/mod.rs
2020-06-12 19:32:16 -07:00

46 lines
1.6 KiB
Rust

use crate::{get_output, parse_program, EdwardsConstrainedValue, EdwardsTestCompiler};
use leo_inputs::types::{IntegerType, U8Type};
use leo_types::InputValue;
use snarkos_curves::edwards_bls12::Fq;
use snarkos_models::gadgets::r1cs::TestConstraintSystem;
fn empty_output_satisfied(program: EdwardsTestCompiler) {
let output = get_output(program);
assert_eq!(EdwardsConstrainedValue::Return(vec![]).to_string(), output.to_string());
}
// Tests a conditional enforceBit() program
//
// function main(bit: private u8) {
// if bit == 1u8 {
// assert_eq!(bit, 1u8);
// } else {
// assert_eq!(bit, 0u8);
// }
// }
#[test]
fn conditional_basic() {
let bytes = include_bytes!("conditional_basic.leo");
let mut program_1_pass = parse_program(bytes).unwrap();
let mut program_0_pass = program_1_pass.clone();
let mut program_2_fail = program_1_pass.clone();
// Check that an input value of 1 satisfies the constraint system
program_1_pass.set_inputs(vec![Some(InputValue::Integer(IntegerType::U8Type(U8Type {}), 1))]);
empty_output_satisfied(program_1_pass);
// Check that an input value of 0 satisfies the constraint system
program_0_pass.set_inputs(vec![Some(InputValue::Integer(IntegerType::U8Type(U8Type {}), 0))]);
empty_output_satisfied(program_0_pass);
// Check that an input value of 2 does not satisfy the constraint system
program_2_fail.set_inputs(vec![Some(InputValue::Integer(IntegerType::U8Type(U8Type {}), 2))]);
let mut cs = TestConstraintSystem::<Fq>::new();
let _output = program_2_fail.compile_constraints(&mut cs).unwrap();
assert!(!cs.is_satisfied());
}