mirror of
https://github.com/oven-sh/bun
synced 2026-02-09 10:28:47 +00:00
Add regression test for #15902
This commit is contained in:
Jarred Sumner
340
test/cli/run/syntax.test.ts
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340
test/cli/run/syntax.test.ts
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@@ -0,0 +1,340 @@
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import { describe, expect, test } from "bun:test";
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import { bunEnv, bunExe, tempDirWithFiles } from "harness";
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import { join } from "path";
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const exitCode0 = [
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" ",
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"\n",
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"\t",
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"\r\n",
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" ",
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"\n\n\n",
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"export default '\\u{000C}'",
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"export default '\\u{200B}'",
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"export default '\\u{200C}'",
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"export default '\\u{200D}'",
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"export default '\\u{FEFF}'",
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'"use strict";',
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'"use strict";\n',
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"'use strict';",
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'"use strict";\n\n',
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'"use asm";',
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'"use asm";\n',
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"'use strict'; 'use asm';",
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'"use strict"; "use strict";',
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"// empty comment",
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"/* empty block comment */",
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"/** JSDoc comment */",
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"//\n//\n//",
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"/* \n Multi\n line\n comment\n */",
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"-->",
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"// TODO: ",
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"/** @type {number} */",
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"const a = 123;",
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"let a;",
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"var a = undefined;",
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"const a = null;",
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"const [a] = [];",
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"const {a} = {};",
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"const [...a] = [];",
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"const {...a} = {};",
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"let [a = 1] = [];",
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"let {a: b = 1} = {};",
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"``",
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"`template`",
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"`template${123}`",
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"`${null}`",
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"`${'`'}`",
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"`\n`",
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"`\n`",
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"({});",
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"({ a: 1 });",
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"({ ['computed']: 1 });",
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"({ get x() { return 1; } });",
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"({ __proto__: null });",
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"({ get [1+2](){}, set [1+2](x){} });",
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"({ a: 1, ...{b: 2} });",
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"[];",
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"[,];",
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"[,,];",
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"[1,];",
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"[,...[1]];",
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"[,,...[1]];",
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"[[[[[]]]]]",
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"[...[...[...[]]]]",
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"[1,,2,,3];",
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"Array(1_000_000).fill(1);",
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"()=>{};",
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"async()=>{};",
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"(function(){}).bind(null);",
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"()=>()=>()=>1;",
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"function f(a=1,{b}={},...c){};",
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"async function* f(){await 1; yield 2;};",
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"(async()=>await 1)();",
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"class A{}",
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"class A extends null{}",
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"class A{#private=1}",
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"class A{static{}}",
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"class A{get #a(){} set #a(x){}}",
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"class A{*#gen(){yield this.#p}#p=1}",
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"class A extends class B{}{};",
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"export {};",
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"export default 1;",
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"export default function(){};",
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"import.meta.url;",
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"const pi = Math.PI;",
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"const hello = 'world';",
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"const star = '⭐';",
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"'\\u0000\\uFFFF';",
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"'\\x00\\xFF';",
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"const \\u{61} = 1;",
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"'\\0';",
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"'\\v\\f\\b';",
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"'\\\r\n';",
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"/./;",
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"/[]/;",
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"/[^]/;",
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"/\\u{0}/u;",
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"/[\\u0000-\\u{10FFFF}]/u;",
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"/./gimsuyd;",
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"/\\p{Script=Latin}/u;",
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"/(?<=a)b/;",
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"/(?<!a)b/;",
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"/\\k<name>/;",
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"1n;",
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"0n;",
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"9007199254740991n;",
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"0b1n;",
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"0o7n;",
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"0xFn;",
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"1_2_3n;",
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"BigInt(1);",
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"-0n;",
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"~0n;",
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"0b1_0_1;",
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"0o7_7_7;",
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"0xF_F_F;",
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"1_2_3_4;",
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"try{}catch{}",
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"try{}catch(e){}",
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"try{}catch{}finally{}",
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"try{}finally{}",
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"try{throw 1}catch(e){}",
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"try{throw new Error}catch{}",
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"try{throw{}}catch({message}){}",
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"try{throw null}catch(e){}",
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"try{throw undefined}catch(e){}",
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"try{throw function(){}}catch(e){}",
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"function*g(){yield;}",
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"function*g(){yield*g();}",
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"async function*g(){yield;}",
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"async function*g(){await 1;}",
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"(async function*(){for await(x of y){}});",
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"function*g(){try{yield}finally{}}",
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"[...new Set];",
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"for(x of[]){}",
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"for await(x of[]){}",
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"async function f(){for await(x of y){}}",
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"void 0;",
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"new (class{})();",
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"(class extends null{});",
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"(class{[Symbol.hasInstance](){}});",
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"function*g(){yield yield yield;}",
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"1..toString();",
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"`${`${`${1}`}`}`",
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"String.raw`\n`",
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"String.raw`\\n`",
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"`${`${function*(){yield 1}}`}`",
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"`${class{}}${()=>{}}${/./}`",
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"`${`${async()=>await 1}`}`",
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"`${`${class{static{``}}}`}`",
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"await import('bun');",
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"await import('bun:ffi');",
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"await import(import.meta.path);",
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"/(?:)/",
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"/\\b\\B\\d\\D\\w\\W\\s\\S/",
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"/\\cA\\cZ\\ca\\cz/",
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"/\\p{General_Category=Letter}/u",
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"/\\p{Script_Extensions=Latin}/u",
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"/(?<=(?=a)b)c/",
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"/(?<!(?!a)b)c/",
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"/\\k<name>\\k<other>/",
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"/\\u{10FFFF}\\u{0000}/u",
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"/[\\p{ASCII}--\\p{Decimal_Number}]/v",
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"const [{a: [b = 1] = []} = [{a: [2]}]] = [];",
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"let {a: {b: {c = 1} = {}} = {}} = {};",
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"const [a, , ...{0: b, length}] = [];",
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"const {[class{}.prop]: x} = {};",
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"const {[()=>{}]: x} = {};",
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"let {[/./]: x} = {};",
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"const {[class extends null{}]: x} = {};",
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"const {[function*(){}]: x} = {};",
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"function f([a] = [1], {b} = {b: 2}, ...c){}",
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"(function({[key]: value} = {}){})",
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"(({[this?.prop]: x} = {})=>{})",
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"function f(a = () => b, b = 1){}",
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"(a = class{}, b = new a)=>{}",
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"function f(a = new.target){}",
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"for await(const x of async function*(){yield 1}()){}",
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"for(const x of function*(){yield 1}()){}",
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"for(const {[key]: x} of []){}",
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"for(let [{a = 1} = {}] of []){}",
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"do{continue}while(false);",
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"label:do{break label}while(false);",
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"outer:for(;;)inner:break outer;",
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"block:{break block;}",
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"while(false)with(null);",
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"switch(0){case 1:default:case 2:}",
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"try{throw async()=>{}}catch(e){await e}",
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"try{throw class{}}catch(e){new e}",
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"try{throw{[Symbol.iterator]:()=>{}}}catch(e){}",
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"try{throw Object.create(null)}catch(e){}",
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"try{throw new Proxy({},{})}catch(e){}",
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"try{throw new WeakMap}catch(e){}",
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"try{throw new Int32Array}catch(e){}",
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"try{throw new SharedArrayBuffer(0)}catch(e){}",
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"try{throw new WebAssembly.Module(new Uint8Array)}catch(e){}",
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"void void void 0;",
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"typeof typeof typeof 0;",
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"delete (delete (delete 0));",
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"await (await (await 1));",
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"--{a:1}.a;",
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"(class{}).prototype.constructor;",
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"(()=>{}).prototype?.call;",
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"(async()=>{}).prototype?.call;",
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"(function*(){}).prototype.next;",
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"(async function*(){}).prototype.next;",
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"this?.prop?.[key]?.();",
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"0b0_1_0_1;",
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"0B0_1_0_1;",
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"0o0_1_2_3;",
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"0O0_1_2_3;",
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"0x0_1_2_3;",
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"0X0_1_2_3;",
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"1_2_3.4_5_6;",
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"1_2_3e1_2_3;",
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"1_2_3E1_2_3;",
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".0_1_2_3;",
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"0b1_0_1n;",
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"0B1_0_1n;",
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"0o1_2_3n;",
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"0O1_2_3n;",
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"0x1_2_3n;",
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"0X1_2_3n;",
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"1_2_3_4_5n;",
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"BigInt(0b101);",
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"BigInt(0o777);",
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"BigInt(0xff);",
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"for(const [,,...a] of [[]]){}",
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"for(let {a: [b]} of []){}",
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"for await(const [a = await 1] of []){}",
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"for(const {[await 1]: x} of []){}",
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"for(var {[class{}]: x} of []){}",
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"for(let {[/./]: x} of []){}",
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"for(const {[`${a}`]: x} of []){}",
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"for await(const x of async function*(){yield*[1,2,3]}()){}",
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"new class extends (await Promise.resolve(class{})){}",
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"function*g(){yield yield*function*(){yield yield yield;}();}",
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"async function*f(){yield await Promise.all([1,2,3])}",
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"async function*f(){yield*[await 1,await 2]}",
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"(async function(){await (async()=>1)()})();",
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"async function*f(){for await(const x of async function*(){yield 1}())yield x}",
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"async function f(){return await new Promise(r=>r(1))}",
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"async function*f(){try{yield await 1}finally{await 2}}",
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"(async()=>{for await(const x of[])for await(const y of[]){}})();",
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"async function*f(){yield await(yield await(yield await 1))}",
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"async function*f(){yield*async function*(){yield await 1}()}",
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"export default await(async()=>1)();",
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"function*g(){yield*{[Symbol.iterator]:function*(){yield 1}}}",
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"function*g(){yield*{async*[Symbol.asyncIterator](){yield 1}}}",
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"function*g(){yield*function*(){yield function*(){yield 1}}()}",
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"function*g(){yield*{get[Symbol.iterator](){return function*(){yield 1}}}}",
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"function*g(){yield*(class{static*[Symbol.iterator](){yield 1}});}",
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"function*g(){yield*class{static*[Symbol.iterator](){yield 1}}}",
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"function*g(){yield*{*[Symbol.iterator](){yield class{}}}}",
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"function*g(){yield*{*[Symbol.iterator](){yield function(){}}}}",
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"function*g(){yield*{*[Symbol.iterator](){yield async()=>{}}}}",
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"function*g(){yield*{*[Symbol.iterator](){yield function*(){}}}}",
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"({[function*(){yield 1}]:1});",
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"({[async function*(){yield 1}]:1});",
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"({[(()=>class{})()]:1});",
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"({[new class{valueOf(){return 1}}]:2});",
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"({[new class{[Symbol.toPrimitive](){return 1}}]:2});",
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"({[new class{toString(){return '1'}}]:2});",
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"({[new class{get [Symbol.toPrimitive](){return()=>1}}]:2});",
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"({[new class{static{this.prototype.valueOf=()=>1}}]:2});",
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"label:while(1)try{continue label}finally{break label}",
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"new Proxy(class{},{construct(){return{}}});",
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"new Proxy(function(){},{apply(){return{}}});",
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"new Proxy({},{get(){return new Proxy({},{})}})",
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"new Proxy([],{get(){return new Proxy({},{})}});",
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"new Proxy(function(){},{construct(){return new Proxy({},{})}})",
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"new Proxy(class{},{construct(){return new Proxy({},{})}})",
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"new Proxy({},{get(){return function(){return new Proxy({},{})}}})",
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"new Proxy(function(){},{apply(){return new Proxy(class{},{})}})",
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"new Proxy(class{},{construct(){return new Proxy(function(){},{})}})",
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"Reflect.get(new Proxy({},{}),'')",
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"Reflect.set(new Proxy({},{}),'')",
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"Reflect.has(new Proxy({},{}),'')",
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"Reflect.deleteProperty(new Proxy({},{}),'')",
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"Reflect.getOwnPropertyDescriptor(new Proxy({},{}),'')",
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"Reflect.getPrototypeOf(new Proxy({},{}))",
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"Reflect.setPrototypeOf(new Proxy({},{}),{})",
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"Reflect.isExtensible(new Proxy({},{}))",
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"Reflect.preventExtensions(new Proxy({},{}))",
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"Promise.all([Promise.race([]),Promise.allSettled([])])",
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"Promise.race([Promise.all([]),Promise.any([])])",
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"Promise.allSettled([Promise.race([]),Promise.all([])])",
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"Promise.any([Promise.allSettled([]),Promise.race([])])",
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"Promise.resolve(Promise.reject().catch(()=>Promise.all([])))",
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"new Function(`return function*(){${`yield${`yield${`yield`}`}`}}`)();",
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"new Function(`return async()=>${`await${`await${`1`}`}`}`)();",
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"new Function(`return class{${`*[Symbol.iterator](){${`yield 1`}}`}}`)();",
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"new Function(`return class{${`async*[Symbol.asyncIterator](){${`yield 1`}}`}}`)();",
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"new Function(`return class{${`get #a(){${`return 1`}}`}}`)();",
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"new Function(`return class{${`set #a(v){${`this.#b=v`}}#b`}}`)();",
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"new Function(`return class{${`#a;${`#b;${`#c`}`}`}}`)();",
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"for await(let {...x} of async function*(){yield*[]}()){}",
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"for await(const x of (async function*(){yield await 1})()){}",
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"function f(){let a=b,b=1}",
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"(function(){const[a=b,b=1]=[]})",
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"(()=>{let{a=b,b=1}={}})",
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];
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describe("exit code 0", () => {
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const fixturePath = tempDirWithFiles("fixture", {
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[`package.json`]: `{
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"name": "test",
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}`,
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"fixture.js": "export default 1",
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});
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for (let i = 0; i < exitCode0.length; i++) {
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const source = exitCode0[i];
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test(`file #${i}: ${JSON.stringify(source)}`, async () => {
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await Bun.write(join(fixturePath, "fixture.js"), source);
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await using proc = Bun.spawn([bunExe(), "./fixture.js"], {
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stdout: "inherit",
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env: bunEnv,
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cwd: fixturePath,
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stderr: "inherit",
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stdin: "inherit",
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});
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const exitCode = await proc.exited;
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expect(exitCode).toBe(0);
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});
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test(`eval #${i}: ${JSON.stringify(source)}`, async () => {
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await using proc = Bun.spawn([bunExe(), "--eval", source], {
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stdout: "inherit",
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env: bunEnv,
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stderr: "inherit",
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stdin: "inherit",
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});
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const exitCode = await proc.exited;
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expect(exitCode).toBe(0);
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});
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}
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});
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Block a user