test: make tests pass on Windows with Unix EOL

It is possible on Windows to configure Git to checkout line-endings
"as-is", which for Node.js means Unix-style.
This change makes the tests that rely on line endings pass in that case.
PR-URL: #40002
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: targos

test/common/index.js

@@ -878,8 +878,14 @@ const common = {
 thrownewError('common.PORT cannot be used in a parallelized test');
 }
 return+process.env.NODE_COMMON_PORT||12346;
-}
+},
 
+/**
+ * Returns the EOL character used by this Git checkout.
+ */
+getcheckoutEOL(){
+returnfs.readFileSync(__filename).includes('\r\n') ? '\r\n' : '\n';
+},
 };
 
 constvalidProperties=newSet(Object.keys(common));

test/es-module/test-esm-invalid-pjson.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const{ mustCall,isWindows}=require('../common');
+const{ mustCall,checkoutEOL}=require('../common');
 constfixtures=require('../common/fixtures');
 const{ spawn }=require('child_process');
 const{ strictEqual, ok }=require('assert');
@@ -21,7 +21,7 @@ child.on('close', mustCall((code, signal) => {
 stderr.includes(
 `[ERR_INVALID_PACKAGE_CONFIG]: Invalid package config ${invalidJson} `+
 `while importing "invalid-pjson" from ${entry}. `+
-`Unexpected token } in JSON at position ${isWindows ? 16 : 14}`
+`Unexpected token } in JSON at position ${12+checkoutEOL.length*2}`
 ),
 stderr);
 }));

test/parallel/test-source-map-enable.js

@@ -250,7 +250,7 @@ function nextdir() {
 'istanbul-throw.js',
 coverageDirectory
 );
-if(common.isWindows){
+if(common.checkoutEOL==='\r\n'){
 assert.deepStrictEqual(sourceMap.lineLengths,[1086,31,185,649,0]);
 }else{
 assert.deepStrictEqual(sourceMap.lineLengths,[1085,30,184,648,0]);

test/wasi/test-wasi.js

@@ -34,7 +34,7 @@ if (process.argv[2] === 'wasi-child') {
 }else{
 constassert=require('assert');
 constcp=require('child_process');
-const{EOL}=require('os');
+const{checkoutEOL}=common;
 
 functionrunWASI(options){
 console.log('executing',options.test);
@@ -69,7 +69,7 @@ if (process.argv[2] === 'wasi-child') {
 }
 runWASI({test: 'exitcode',exitCode: 120});
 runWASI({test: 'fd_prestat_get_refresh'});
-runWASI({test: 'freopen',stdout: `hello from input2.txt${EOL}`});
+runWASI({test: 'freopen',stdout: `hello from input2.txt${checkoutEOL}`});
 runWASI({test: 'ftruncate'});
 runWASI({test: 'getentropy'});
 
@@ -87,10 +87,10 @@ if (process.argv[2] === 'wasi-child') {
 runWASI({test: 'readdir'});
 }
 
-runWASI({test: 'read_file',stdout: `hello from input.txt${EOL}`});
+runWASI({test: 'read_file',stdout: `hello from input.txt${checkoutEOL}`});
 runWASI({
 test: 'read_file_twice',
-stdout: `hello from input.txt${EOL}hello from input.txt${EOL}`
+stdout: `hello from input.txt${checkoutEOL}hello from input.txt${checkoutEOL}`
 });
 runWASI({test: 'stat'});
 runWASI({test: 'write_file'});