1 files changed, 107 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier.js b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier.js
new file mode 100644
index 0000000000..a82d9db938
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/same-line-async-gen-rs-field-identifier.js
@@ -0,0 +1,107 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/class-elements/rs-field-identifier.case
+// - src/class-elements/productions/cls-decl-after-same-line-async-gen.template
+/*---
+description: Valid FieldDefinition (field definitions after an async generator in the same line)
+esid: prod-FieldDefinition
+features: [class-fields-public, class, async-iteration]
+flags: [generated, async]
+includes: [propertyHelper.js]
+info: |
+    ClassElement :
+      ...
+      FieldDefinition ;
+      ;
+
+    FieldDefinition :
+      ClassElementName Initializer _opt
+
+    ClassElementName :
+      PropertyName
+
+    PropertyName :
+      LiteralPropertyName
+      ComputedPropertyName
+
+    LiteralPropertyName :
+      IdentifierName
+
+    IdentifierName ::
+      IdentifierStart
+      IdentifierName IdentifierPart
+
+    IdentifierStart ::
+      UnicodeIDStart
+      $
+      _
+      \ UnicodeEscapeSequence
+
+    IdentifierPart::
+      UnicodeIDContinue
+      $
+      \ UnicodeEscapeSequence
+      <ZWNJ> <ZWJ>
+
+    UnicodeIDStart::
+      any Unicode code point with the Unicode property "ID_Start"
+
+    UnicodeIDContinue::
+      any Unicode code point with the Unicode property "ID_Continue"
+
+
+    NOTE 3
+    The sets of code points with Unicode properties "ID_Start" and
+    "ID_Continue" include, respectively, the code points with Unicode
+    properties "Other_ID_Start" and "Other_ID_Continue".
+
+---*/
+
+
+class C {
+  async *m() { return 42; } $; _; \u{6F}; \u2118; ZW_\u200C_NJ; ZW_\u200D_J;
+  
+}
+
+var c = new C();
+
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "m"),
+  "m doesn't appear as an own property on the C instance"
+);
+assert.sameValue(c.m, C.prototype.m);
+
+verifyProperty(C.prototype, "m", {
+  enumerable: false,
+  configurable: true,
+  writable: true,
+}, {restore: true});
+
+c.m().next().then(function(v) {
+  assert.sameValue(v.value, 42);
+  assert.sameValue(v.done, true);
+
+  function assertions() {
+    // Cover $DONE handler for async cases.
+    function $DONE(error) {
+      if (error) {
+        throw new Test262Error('Test262:AsyncTestFailure')
+      }
+    }
+    c.$ = 1;
+    c._ = 1;
+    c.\u{6F} = 1;
+    c.\u2118 = 1;
+    c.ZW_\u200C_NJ = 1;
+    c.ZW_\u200D_J = 1;
+
+    assert.sameValue(c.$, 1);
+    assert.sameValue(c._, 1);
+    assert.sameValue(c.\u{6F}, 1);
+    assert.sameValue(c.\u2118, 1);
+    assert.sameValue(c.ZW_\u200C_NJ, 1);
+    assert.sameValue(c.ZW_\u200D_J, 1);
+  }
+
+  return Promise.resolve(assertions());
+}).then($DONE, $DONE);