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Copy pathexpressions.spec.ts
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178 lines (157 loc) · 5.51 KB
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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();
});
test.each(["3+4", "5-2", "6*3", "6**3", "20/5", "15/10", "15%3"])("Binary expressions basic numeric (%p)", input => {
util.testExpression(input).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 [5.1] (%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(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]);
});
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.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();
});