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

import { unsupportedForTarget, unsupportedRightShiftOperator } from "../../src/transformation/utils/diagnostics";

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

test.each([

"i++",

"++i",

"i--",

"--i",

"!a",

"-a",

"+a",

"let a = delete tbl['test']",

"delete tbl['test']",

"let a = delete tbl.test",

"delete tbl.test",

])("Unary expressions basic (%p)", input => {

util.testFunction(input).disableSemanticCheck().expectLuaToMatchSnapshot();

});

for (const expression of ["3+4", "5-2", "6*3", "6**3", "20/5", "15/10", "15%3"]) {

util.testEachVersion(

`Binary expressions basic numeric (${expression})`,

() => util.testExpression(expression),

util.expectEachVersionExceptJit(builder => builder.expectToMatchJsResult())

);

}

test.each(["1==1", "1===1", "1!=1", "1!==1", "1>1", "1>=1", "1<1", "1<=1", "1&&1", "1||1"])(

"Binary expressions basic boolean (%p)",

input => {

util.testExpression(input).expectToMatchJsResult();

}

);

test.each(["'key' in obj", "'existingKey' in obj", "0 in obj", "9 in obj"])("Binary expression in (%p)", input => {

util.testFunction`

let obj = { existingKey: 1 };

return ${input};

`.expectToMatchJsResult();

});

test.each(["a+=b", "a-=b", "a*=b", "a/=b", "a%=b", "a**=b"])("Binary expressions overridden operators (%p)", input => {

util.testFunction`

let a = 5;

let b = 3;

${input};

return a;

`.expectToMatchJsResult();

});

const supportedInAll = ["~a", "a&b", "a&=b", "a|b", "a|=b", "a^b", "a^=b", "a<<b", "a<<=b", "a>>>b", "a>>>=b"];

const unsupportedIn53And54 = ["a>>b", "a>>=b"];

const allBinaryOperators = [...supportedInAll, ...unsupportedIn53And54];

test.each(allBinaryOperators)("Bitop [5.0] (%p)", input => {

// Bit operations not supported in 5.0, expect an exception

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.Lua50, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectDiagnosticsToMatchSnapshot([unsupportedForTarget.code]);

});

test.each(allBinaryOperators)("Bitop [5.1] (%p)", input => {

// Bit operations not supported in 5.1, expect an exception

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.Lua51, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectDiagnosticsToMatchSnapshot([unsupportedForTarget.code]);

});

test.each(allBinaryOperators)("Bitop [JIT] (%p)", input => {

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.LuaJIT, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectLuaToMatchSnapshot();

});

test.each(allBinaryOperators)("Bitop [5.2] (%p)", input => {

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.Lua52, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectLuaToMatchSnapshot();

});

test.each(supportedInAll)("Bitop [5.3] (%p)", input => {

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.Lua53, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectLuaToMatchSnapshot();

});

test.each(supportedInAll)("Bitop [5.4] (%p)", input => {

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.Lua54, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectLuaToMatchSnapshot();

});

test.each(supportedInAll)("Bitop [5.5] (%p)", input => {

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.Lua55, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectLuaToMatchSnapshot();

});

test.each(unsupportedIn53And54)("Unsupported bitop 5.3 (%p)", input => {

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.Lua53, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectDiagnosticsToMatchSnapshot([unsupportedRightShiftOperator.code]);

});

test.each(unsupportedIn53And54)("Unsupported bitop 5.4 (%p)", input => {

util.testExpression(input)

.setOptions({ luaTarget: tstl.LuaTarget.Lua54, luaLibImport: tstl.LuaLibImportKind.None })

.disableSemanticCheck()

.expectDiagnosticsToMatchSnapshot([unsupportedRightShiftOperator.code]);

});

// Execution tests: verify >>> produces correct results matching JS semantics

for (const expression of ["-5 >>> 0", "-1 >>> 0", "1 >>> 0", "-1 >>> 16", "255 >>> 4"]) {

util.testEachVersion(`Unsigned right shift execution (${expression})`, () => util.testExpression(expression), {

[tstl.LuaTarget.Universal]: false,

[tstl.LuaTarget.Lua50]: false, // No bit library in WASM runtime

[tstl.LuaTarget.Lua51]: false, // No bit library in WASM runtime

[tstl.LuaTarget.Lua52]: builder => builder.expectToMatchJsResult(),

[tstl.LuaTarget.Lua53]: builder => builder.expectToMatchJsResult(),

[tstl.LuaTarget.Lua54]: builder => builder.expectToMatchJsResult(),

[tstl.LuaTarget.Lua55]: builder => builder.expectToMatchJsResult(),

[tstl.LuaTarget.LuaJIT]: false, // Can't execute LuaJIT in tests

[tstl.LuaTarget.Luau]: false,

});

}

for (const code of ["let a = -5; a >>>= 0; return a;", "let a = -1; a >>>= 16; return a;"]) {

util.testEachVersion(`Unsigned right shift assignment execution (${code})`, () => util.testFunction(code), {

[tstl.LuaTarget.Universal]: false,

[tstl.LuaTarget.Lua50]: false, // No bit library in WASM runtime

[tstl.LuaTarget.Lua51]: false, // No bit library in WASM runtime

[tstl.LuaTarget.Lua52]: builder => builder.expectToMatchJsResult(),

[tstl.LuaTarget.Lua53]: builder => builder.expectToMatchJsResult(),

[tstl.LuaTarget.Lua54]: builder => builder.expectToMatchJsResult(),

[tstl.LuaTarget.Lua55]: builder => builder.expectToMatchJsResult(),

[tstl.LuaTarget.LuaJIT]: false, // Can't execute LuaJIT in tests

[tstl.LuaTarget.Luau]: false,

});

}

test.each(["1+1", "-1+1", "1*30+4", "1*(3+4)", "1*(3+4*2)", "10-(4+5)"])(

"Binary expressions ordering parentheses (%p)",

input => {

util.testExpression(input).expectLuaToMatchSnapshot();

}

);

test("Assignment order of operations is preserved", () => {

util.testFunction`

let x = 0;

x *= 2 + 3;

return x;

`.expectToMatchJsResult();

});

test.each(["bar(),foo()", "foo(),bar()", "foo(),bar(),baz()"])("Binary Comma (%p)", input => {

util.testFunction`

function foo() { return 1; }

function bar() { return 2; };

function baz() { return 3; };

return (${input});

`.expectToMatchJsResult();

});

test("Binary Comma Statement in For Loop", () => {

util.testFunction`

let x: number, y: number;

for (x = 0, y = 17; x < 5; ++x, --y) {}

return y;

`.expectToMatchJsResult();

});

test("Null Expression", () => {

util.testExpression("null").expectLuaToMatchSnapshot();

});

test("Undefined Expression", () => {

util.testExpression("undefined").expectLuaToMatchSnapshot();

});

test.each(["i++", "i--", "++i", "--i"])("Incrementor value (%p)", expression => {

util.testFunction`

let i = 10;

return ${expression};

`.expectToMatchJsResult();

});

test("Non-null expression", () => {

util.testFunction`

function abc(): number | undefined { return 3; }

const a: number = abc()!;

return a;

`.expectToMatchJsResult();

});

test("Typescript 4.7 instantiation expression", () => {

util.testFunction`

function foo<T>(x: T): T { return x; }

const bar = foo<number>;

return bar(3);

`.expectToMatchJsResult();

});

test("Typescript 4.9 satisfies expression", () => {

util.testFunction`

const foo = { a: 1 } satisfies { a: number };

return foo.a;

`.expectToMatchJsResult();

});

test.each([

'"foobar"',

"17",

"true",

"{}",

"[]",

"[].length",

"foo() + foo()",

"!foo()",

"foo()",

"typeof foo",

'"foo" in bar',

"foo as Function",

"Math.log2(2)",

"Math.log10(2)",

'"".indexOf("")',

])("Expression statements (%p)", input => {

util.testFunction`

function foo() { return 17; }

const bar = { foo };

${input};

`.expectNoExecutionError();

});