import Builder from '../Builder.js'

import * as assert from '../assert.js'

const b = new Builder();

b.Type().End()

.Function().End()

.Export().Function('f0').End()

.Code()

.Function('f0', { params: ["i32"], ret: "i32" }, ["i32"])

.Loop("void")

.Block("void", (b) =>

b.GetLocal(0)

.GetLocal(1)

.I32Const(1)

.I32Add()

.SetLocal(1)

.GetLocal(0)

.I32Const(1)

.I32Sub()

.SetLocal(0)

.BrTable(0, 1))

.End()

.GetLocal(1)

.End()

.End()

const bin = b.WebAssembly().get();

const instance = new WebAssembly.Instance(new WebAssembly.Module(bin));

function testWasmModuleFunctions(...tests) {

for (let i = 0; i < tests.length; i++) {

const func = instance.exports['f' + i];

for (let test of tests[i]) {

let result = test[0].value;

let args = test[1].map(x => x.value);

assert.eq(result, func(...args));

}

}

}

testWasmModuleFunctions([[{type: "i32", value: 1 }, [{ type: "i32", value: 0 }]],

[{type: "i32", value: 2 }, [{ type: "i32", value: 1 }]]

]);