wasmi_cli 0.32.0-beta.16

WebAssembly interpreter
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use super::*;
use core::borrow::Borrow;
use wasmi::core::ValType;

fn assert_display(func_type: impl Borrow<FuncType>, expected: &str) {
    assert_eq!(
        format!("{}", DisplayFuncType::from(func_type.borrow())),
        String::from(expected),
    );
}

#[test]
fn display_0in_0out() {
    assert_display(FuncType::new([], []), "fn()");
}

#[test]
fn display_1in_0out() {
    assert_display(FuncType::new([ValType::I32], []), "fn(i32)");
}

#[test]
fn display_0in_1out() {
    assert_display(FuncType::new([], [ValType::I32]), "fn() -> i32");
}

#[test]
fn display_1in_1out() {
    assert_display(
        FuncType::new([ValType::I32], [ValType::I32]),
        "fn(i32) -> i32",
    );
}

#[test]
fn display_4in_0out() {
    assert_display(
        FuncType::new([ValType::I32, ValType::I64, ValType::F32, ValType::F64], []),
        "fn(i32, i64, f32, f64)",
    );
}

#[test]
fn display_0in_4out() {
    assert_display(
        FuncType::new([], [ValType::I32, ValType::I64, ValType::F32, ValType::F64]),
        "fn() -> (i32, i64, f32, f64)",
    );
}

#[test]
fn display_4in_4out() {
    assert_display(
        FuncType::new(
            [ValType::I32, ValType::I64, ValType::F32, ValType::F64],
            [ValType::I32, ValType::I64, ValType::F32, ValType::F64],
        ),
        "fn(i32, i64, f32, f64) -> (i32, i64, f32, f64)",
    );
}