import { Expect, Test, TestCase } from "alsatian";

import { LuaTarget, LuaLibImportKind } from "../../src/CompilerOptions";

import * as util from "../src/util";

export class AssignmentDestructuringTests {

private readonly assignmentDestruturingTs = `

declare function myFunc(): [number, string];

let [a, b] = myFunc();`;

@Test("Assignment destructuring [5.1]")

public assignmentDestructuring51(): void {

// Transpile

const lua = util.transpileString(

this.assignmentDestruturingTs, {luaTarget: LuaTarget.Lua51, luaLibImport: LuaLibImportKind.None}

);

// Assert

Expect(lua).toBe(`local a, b = unpack(myFunc());`);

}

@Test("Assignment destructuring [5.2]")

public tupleDestructing52(): void {

// Transpile

const lua = util.transpileString(

this.assignmentDestruturingTs, {luaTarget: LuaTarget.Lua52, luaLibImport: LuaLibImportKind.None}

);

// Assert

Expect(lua).toBe(`local a, b = table.unpack(myFunc());`);

}

@Test("Assignment destructuring [JIT]")

public assignmentDestructuringJIT(): void {

// Transpile

const lua = util.transpileString(

this.assignmentDestruturingTs, {luaTarget: LuaTarget.LuaJIT, luaLibImport: LuaLibImportKind.None}

);

// Assert

Expect(lua).toBe(`local a, b = unpack(myFunc());`);

}

}