test: enable idlharness tests for encoding

TextDecoderStream and TextEncoderStream are now exposed as globals, so we can run the entire Encoding idlharness test suite. PR-URL: #50778 Reviewed-By: Filip Skokan <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Benjamin Gruenbaum <[email protected]>

Author: MattiasBuelens

test/common/wpt.js

@@ -610,7 +610,7 @@ class WPTRunner{
 'ReadableStreamBYOBReader','ReadableStreamBYOBRequest',
 'ReadableByteStreamController','ReadableStreamDefaultController',
 'ByteLengthQueuingStrategy','CountQueuingStrategy',
-'TextEncoderStream','TextDecoderStream',
+'TextEncoder','TextDecoder','TextEncoderStream','TextDecoderStream',
 'CompressionStream','DecompressionStream',
 ];
 if(Boolean(process.versions.openssl)&&!process.env.NODE_SKIP_CRYPTO){

test/wpt/status/encoding.json

@@ -37,7 +37,7 @@
 "skip": "The iso-8859-16 encoding is not supported"
  },
 "idlharness.any.js":{
-"skip": "No implementation of TextDecoderStream and TextEncoderStream"
+"requires": ["small-icu"]
  },
 "idlharness-shadowrealm.window.js":{
 "skip": "ShadowRealm support is not enabled"

test/wpt/test-encoding.js

@@ -3,4 +3,6 @@
 const{ WPTRunner }=require('../common/wpt');
 construnner=newWPTRunner('encoding');
 
+runner.pretendGlobalThisAs('Window');
+
 runner.runJsTests();