wasmer/lib/runtime/tests/spectests/break_drop.rs

// Rust test file autogenerated with cargo build (build/spectests.rs).
// Please do NOT modify it by hand, as it will be reset on next build.
// Test based on spectests/break_drop.wast
#![allow(
    warnings,
    dead_code
)]
use wabt::wat2wasm;
use std::{f32, f64};

use wasmer_runtime::types::Value;
use wasmer_runtime::{Instance, module::Module};
use wasmer_clif_backend::CraneliftCompiler;

use crate::spectests::_common::{
    spectest_importobject,
    NaNCheck,
};


// Line 1
fn create_module_1() -> Box<Instance> {
    let module_str = "(module
      (type (;0;) (func))
      (func (;0;) (type 0)
        block  ;; label = @1
          br 0 (;@1;)
        end)
      (func (;1;) (type 0)
        block  ;; label = @1
          i32.const 1
          br_if 0 (;@1;)
        end)
      (func (;2;) (type 0)
        block  ;; label = @1
          i32.const 0
          br_table 0 (;@1;)
        end)
      (export \"br\" (func 0))
      (export \"br_if\" (func 1))
      (export \"br_table\" (func 2)))
    ";
    let wasm_binary = wat2wasm(module_str.as_bytes()).expect("WAST not valid or malformed");
    let module = wasmer_runtime::compile(&wasm_binary[..], &CraneliftCompiler::new()).expect("WASM can't be compiled");
    module.instantiate(&spectest_importobject()).expect("WASM can't be instantiated")
}

fn start_module_1(instance: &mut Instance) {
    // TODO Review is explicit start needed? Start now called in runtime::Instance::new()
    //instance.start();
}

// Line 7
fn c1_l7_action_invoke(instance: &mut Instance) -> Result<(), String> {
    println!("Executing function {}", "c1_l7_action_invoke");
    let result = instance.call("br", &[]);
    assert_eq!(result, Ok(None));
    result.map(|_| ())
}

// Line 8
fn c2_l8_action_invoke(instance: &mut Instance) -> Result<(), String> {
    println!("Executing function {}", "c2_l8_action_invoke");
    let result = instance.call("br_if", &[]);
    assert_eq!(result, Ok(None));
    result.map(|_| ())
}

// Line 9
fn c3_l9_action_invoke(instance: &mut Instance) -> Result<(), String> {
    println!("Executing function {}", "c3_l9_action_invoke");
    let result = instance.call("br_table", &[]);
    assert_eq!(result, Ok(None));
    result.map(|_| ())
}

#[test]
fn test_module_1() {
    let mut instance = create_module_1();
    // We group the calls together
    start_module_1(&mut instance);
    c1_l7_action_invoke(&mut instance);
    c2_l8_action_invoke(&mut instance);
    c3_l9_action_invoke(&mut instance);
}