1 files changed, 16 insertions, 0 deletions
diff --git a/testing/web-platform/tests/encoding/textencoder-constructor-non-utf.any.js b/testing/web-platform/tests/encoding/textencoder-constructor-non-utf.any.js
new file mode 100644
index 0000000000..c7136da4dc
--- /dev/null
+++ b/testing/web-platform/tests/encoding/textencoder-constructor-non-utf.any.js
@@ -0,0 +1,16 @@
+// META: title=Encoding API: Legacy encodings
+// META: script=resources/encodings.js
+
+encodings_table.forEach(function(section) {
+    section.encodings.forEach(function(encoding) {
+        if (encoding.name !== 'replacement') {
+            test(function() {
+                assert_equals(new TextDecoder(encoding.name).encoding, encoding.name.toLowerCase()); // ASCII names only, so safe
+            }, 'Encoding argument supported for decode: ' + encoding.name);
+        }
+
+        test(function() {
+            assert_equals(new TextEncoder(encoding.name).encoding, 'utf-8');
+        }, 'Encoding argument not considered for encode: ' + encoding.name);
+    });
+});